BUG: using __this_cpu_add() in preemptible code in tcp_try_coalesce
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syzbot
Apr 11, 2019, 8:00:33 PM4/11/19
to syzkaller-a...@googlegroups.com
Hello,
syzbot found the following crash on:
HEAD commit: 62872f95 Merge 4.4.174 into android-4.4
git tree: android-4.4
console output: https://syzkaller.appspot.com/x/log.txt?x=11822fdb200000
kernel config: https://syzkaller.appspot.com/x/.config?x=47bc4dd423780c4a
dashboard link: https://syzkaller.appspot.com/bug?extid=16e361ee72e321c59388
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16f68f6f200000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12a7b70b200000
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+16e361...@syzkaller.appspotmail.com
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/2123
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 1 PID: 2123 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 e31abba8a56804ee ffff8801cf7af7c8 ffffffff81aad1a1
ffff8801cf0e2f80 0000000000000001 ffffffff82a861e0 ffffffff8292c040
0000000000000001 ffff8801cf7af808 ffffffff81b0ad83 ffff8800b7351b80
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/2312
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 1 PID: 2312 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 4aece7a49506b020 ffff8801d417f7c8 ffffffff81aad1a1
ffff8800b6845f00 0000000000000001 ffffffff82a861e0 ffffffff8292c040
0000000000000001 ffff8801d417f808 ffffffff81b0ad83 ffff8801d4a5b680
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/2623
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 1 PID: 2623 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 31d2a5f0e08e10dc ffff8801d4a377c8 ffffffff81aad1a1
ffff8801d3e717c0 0000000000000001 ffffffff82a861e0 ffffffff8292c040
0000000000000001 ffff8801d4a37808 ffffffff81b0ad83 ffff8801d4202c80
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/2702
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 1 PID: 2702 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 5c045987d5d95a9a ffff8801d3eaf7c8 ffffffff81aad1a1
ffff8801d3fcc740 0000000000000001 ffffffff82a861e0 ffffffff8292c040
0000000000000001 ffff8801d3eaf808 ffffffff81b0ad83 ffff8801d4202000
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/2726
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
CPU: 0 PID: 2726 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 0d8c77b3de9f238a ffff8800b6a577c8 ffffffff81aad1a1
ffff8800b65e97c0 0000000000000000 ffffffff82a861e0 ffffffff8292c040
0000000000000002 ffff8800b6a57808 ffffffff81b0ad83 ffff8801d4154280
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/2908
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 0 PID: 2908 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 a6e5bbfd74241e0e ffff8800b21277c8 ffffffff81aad1a1
ffff8801d43e5f00 0000000000000000 ffffffff82a861e0 ffffffff8292c040
0000000000000002 ffff8800b2127808 ffffffff81b0ad83 ffff8801d4154000
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/3064
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 0 PID: 3064 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 c69b0edc35b0c265 ffff8801d3d5f7c8 ffffffff81aad1a1
ffff8801d3d24740 0000000000000000 ffffffff82a861e0 ffffffff8292c040
0000000000000002 ffff8801d3d5f808 ffffffff81b0ad83 ffff8801d4155900
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/3255
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 1 PID: 3255 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 00b211fe3fdb7cf3 ffff8801d37977c8 ffffffff81aad1a1
ffff8801d37f0000 0000000000000001 ffffffff82a861e0 ffffffff8292c040
0000000000000001 ffff8801d3797808 ffffffff81b0ad83 ffff8800b58f2000
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/3527
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 1 PID: 3527 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 0e5d4318e7b2cd70 ffff8801d2d977c8 ffffffff81aad1a1
ffff8801d3792f80 0000000000000001 ffffffff82a861e0 ffffffff8292c040
0000000000000001 ffff8801d2d97808 ffffffff81b0ad83 ffff8801d3ed5b80
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
check_preemption_disabled: 2 callbacks suppressed
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/4050
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 1 PID: 4050 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 32f391d50f1f3bd0 ffff8801d244f7c8 ffffffff81aad1a1
ffff8801d3422f80 0000000000000001 ffffffff82a861e0 ffffffff8292c040
0000000000000001 ffff8801d244f808 ffffffff81b0ad83 ffff8801d2837180
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/4175
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 1 PID: 4175 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 6d924fbbfed3ded5 ffff8801d244f7c8 ffffffff81aad1a1
ffff8800b578c740 0000000000000001 ffffffff82a861e0 ffffffff8292c040
0000000000000001 ffff8801d244f808 ffffffff81b0ad83 ffff8800b5bbaf00
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/4382
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 1 PID: 4382 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 389ddecdb88eba5f ffff8801d278f7c8 ffffffff81aad1a1
ffff8801d299c740 0000000000000001 ffffffff82a861e0 ffffffff8292c040
0000000000000001 ffff8801d278f808 ffffffff81b0ad83 ffff8801d2592500
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/4579
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 0 PID: 4579 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 e1a2187b9dea02df ffff8801d2f9f7c8 ffffffff81aad1a1
ffff8801d216af80 0000000000000000 ffffffff82a861e0 ffffffff8292c040
0000000000000002 ffff8801d2f9f808 ffffffff81b0ad83 ffff8801d2115400
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/4757
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 0 PID: 4757 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 ca1efe19bdc4cb70 ffff8800b54df7c8 ffffffff81aad1a1
ffff8801d2acdf00 0000000000000000 ffffffff82a861e0 ffffffff8292c040
0000000000000002 ffff8800b54df808 ffffffff81b0ad83 ffff8801d2292000
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/5025
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 1 PID: 5025 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 75651c72c766150c ffff8801d20af7c8 ffffffff81aad1a1
ffff8801d2358000 0000000000000001 ffffffff82a861e0 ffffffff8292c040
0000000000000001 ffff8801d20af808 ffffffff81b0ad83 ffff8801d250e000
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/5218
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 1 PID: 5218 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 e359c79a407ac304 ffff8800b4fe77c8 ffffffff81aad1a1
ffff8800b4eac740 0000000000000001 ffffffff82a861e0 ffffffff8292c040
0000000000000001 ffff8800b4fe7808 ffffffff81b0ad83 ffff8801d1dfa280
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/5482
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 0 PID: 5482 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 ad24cd8708897b38 ffff8800b495f7c8 ffffffff81aad1a1
ffff8801d1fb2f80 0000000000000000 ffffffff82a861e0 ffffffff8292c040
0000000000000002 ffff8800b495f808 ffffffff81b0ad83 ffff8801d1f28280
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/5850
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 0 PID: 5850 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 5c3cb436455a943b ffff8801d27677c8 ffffffff81aad1a1
ffff8801d15717c0 0000000000000000 ffffffff82a861e0 ffffffff8292c040
0000000000000002 ffff8801d2767808 ffffffff81b0ad83 ffff8801d21f6000
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/5858
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
CPU: 1 PID: 5858 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 8229919a50285cd3 ffff8801d21777c8 ffffffff81aad1a1
ffff8801d242df00 0000000000000001 ffffffff82a861e0 ffffffff8292c040
0000000000000001 ffff8801d2177808 ffffffff81b0ad83 ffff8800b42fe780
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
---
This bug is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this bug report. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot can test patches for this bug, for details see:
https://goo.gl/tpsmEJ#testing-patches
syzbot found the following crash on:
HEAD commit: 62872f95 Merge 4.4.174 into android-4.4
git tree: android-4.4
console output: https://syzkaller.appspot.com/x/log.txt?x=11822fdb200000
kernel config: https://syzkaller.appspot.com/x/.config?x=47bc4dd423780c4a
dashboard link: https://syzkaller.appspot.com/bug?extid=16e361ee72e321c59388
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16f68f6f200000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12a7b70b200000
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+16e361...@syzkaller.appspotmail.com
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/2123
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 1 PID: 2123 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 e31abba8a56804ee ffff8801cf7af7c8 ffffffff81aad1a1
ffff8801cf0e2f80 0000000000000001 ffffffff82a861e0 ffffffff8292c040
0000000000000001 ffff8801cf7af808 ffffffff81b0ad83 ffff8800b7351b80
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/2312
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 1 PID: 2312 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 4aece7a49506b020 ffff8801d417f7c8 ffffffff81aad1a1
ffff8800b6845f00 0000000000000001 ffffffff82a861e0 ffffffff8292c040
0000000000000001 ffff8801d417f808 ffffffff81b0ad83 ffff8801d4a5b680
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/2623
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 1 PID: 2623 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 31d2a5f0e08e10dc ffff8801d4a377c8 ffffffff81aad1a1
ffff8801d3e717c0 0000000000000001 ffffffff82a861e0 ffffffff8292c040
0000000000000001 ffff8801d4a37808 ffffffff81b0ad83 ffff8801d4202c80
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/2702
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 1 PID: 2702 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 5c045987d5d95a9a ffff8801d3eaf7c8 ffffffff81aad1a1
ffff8801d3fcc740 0000000000000001 ffffffff82a861e0 ffffffff8292c040
0000000000000001 ffff8801d3eaf808 ffffffff81b0ad83 ffff8801d4202000
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/2726
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
CPU: 0 PID: 2726 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 0d8c77b3de9f238a ffff8800b6a577c8 ffffffff81aad1a1
ffff8800b65e97c0 0000000000000000 ffffffff82a861e0 ffffffff8292c040
0000000000000002 ffff8800b6a57808 ffffffff81b0ad83 ffff8801d4154280
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/2908
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 0 PID: 2908 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 a6e5bbfd74241e0e ffff8800b21277c8 ffffffff81aad1a1
ffff8801d43e5f00 0000000000000000 ffffffff82a861e0 ffffffff8292c040
0000000000000002 ffff8800b2127808 ffffffff81b0ad83 ffff8801d4154000
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/3064
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 0 PID: 3064 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 c69b0edc35b0c265 ffff8801d3d5f7c8 ffffffff81aad1a1
ffff8801d3d24740 0000000000000000 ffffffff82a861e0 ffffffff8292c040
0000000000000002 ffff8801d3d5f808 ffffffff81b0ad83 ffff8801d4155900
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/3255
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 1 PID: 3255 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 00b211fe3fdb7cf3 ffff8801d37977c8 ffffffff81aad1a1
ffff8801d37f0000 0000000000000001 ffffffff82a861e0 ffffffff8292c040
0000000000000001 ffff8801d3797808 ffffffff81b0ad83 ffff8800b58f2000
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/3527
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 1 PID: 3527 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 0e5d4318e7b2cd70 ffff8801d2d977c8 ffffffff81aad1a1
ffff8801d3792f80 0000000000000001 ffffffff82a861e0 ffffffff8292c040
0000000000000001 ffff8801d2d97808 ffffffff81b0ad83 ffff8801d3ed5b80
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
check_preemption_disabled: 2 callbacks suppressed
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/4050
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 1 PID: 4050 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 32f391d50f1f3bd0 ffff8801d244f7c8 ffffffff81aad1a1
ffff8801d3422f80 0000000000000001 ffffffff82a861e0 ffffffff8292c040
0000000000000001 ffff8801d244f808 ffffffff81b0ad83 ffff8801d2837180
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/4175
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 1 PID: 4175 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 6d924fbbfed3ded5 ffff8801d244f7c8 ffffffff81aad1a1
ffff8800b578c740 0000000000000001 ffffffff82a861e0 ffffffff8292c040
0000000000000001 ffff8801d244f808 ffffffff81b0ad83 ffff8800b5bbaf00
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/4382
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 1 PID: 4382 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 389ddecdb88eba5f ffff8801d278f7c8 ffffffff81aad1a1
ffff8801d299c740 0000000000000001 ffffffff82a861e0 ffffffff8292c040
0000000000000001 ffff8801d278f808 ffffffff81b0ad83 ffff8801d2592500
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/4579
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 0 PID: 4579 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 e1a2187b9dea02df ffff8801d2f9f7c8 ffffffff81aad1a1
ffff8801d216af80 0000000000000000 ffffffff82a861e0 ffffffff8292c040
0000000000000002 ffff8801d2f9f808 ffffffff81b0ad83 ffff8801d2115400
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/4757
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 0 PID: 4757 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 ca1efe19bdc4cb70 ffff8800b54df7c8 ffffffff81aad1a1
ffff8801d2acdf00 0000000000000000 ffffffff82a861e0 ffffffff8292c040
0000000000000002 ffff8800b54df808 ffffffff81b0ad83 ffff8801d2292000
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/5025
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 1 PID: 5025 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 75651c72c766150c ffff8801d20af7c8 ffffffff81aad1a1
ffff8801d2358000 0000000000000001 ffffffff82a861e0 ffffffff8292c040
0000000000000001 ffff8801d20af808 ffffffff81b0ad83 ffff8801d250e000
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/5218
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 1 PID: 5218 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 e359c79a407ac304 ffff8800b4fe77c8 ffffffff81aad1a1
ffff8800b4eac740 0000000000000001 ffffffff82a861e0 ffffffff8292c040
0000000000000001 ffff8800b4fe7808 ffffffff81b0ad83 ffff8801d1dfa280
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/5482
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 0 PID: 5482 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 ad24cd8708897b38 ffff8800b495f7c8 ffffffff81aad1a1
ffff8801d1fb2f80 0000000000000000 ffffffff82a861e0 ffffffff8292c040
0000000000000002 ffff8800b495f808 ffffffff81b0ad83 ffff8801d1f28280
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/5850
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
CPU: 0 PID: 5850 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 5c3cb436455a943b ffff8801d27677c8 ffffffff81aad1a1
ffff8801d15717c0 0000000000000000 ffffffff82a861e0 ffffffff8292c040
0000000000000002 ffff8801d2767808 ffffffff81b0ad83 ffff8801d21f6000
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
BUG: using __this_cpu_add() in preemptible [00000000] code:
syz-executor229/5858
caller is __this_cpu_preempt_check+0x1d/0x30 lib/smp_processor_id.c:62
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
CPU: 1 PID: 5858 Comm: syz-executor229 Not tainted 4.4.174+ #4
0000000000000000 8229919a50285cd3 ffff8801d21777c8 ffffffff81aad1a1
ffff8801d242df00 0000000000000001 ffffffff82a861e0 ffffffff8292c040
0000000000000001 ffff8801d2177808 ffffffff81b0ad83 ffff8800b42fe780
Call Trace:
[<ffffffff81aad1a1>] __dump_stack lib/dump_stack.c:15 [inline]
[<ffffffff81aad1a1>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
[<ffffffff81b0ad83>] check_preemption_disabled+0x1d3/0x200
lib/smp_processor_id.c:46
[<ffffffff81b0aded>] __this_cpu_preempt_check+0x1d/0x30
lib/smp_processor_id.c:62
[<ffffffff8240fcf5>] tcp_try_coalesce net/ipv4/tcp_input.c:4293 [inline]
[<ffffffff8240fcf5>] tcp_try_coalesce+0x245/0x510 net/ipv4/tcp_input.c:4275
[<ffffffff824100e7>] tcp_queue_rcv+0x127/0x6f0 net/ipv4/tcp_input.c:4539
[<ffffffff8242494e>] tcp_send_rcvq+0x3de/0x4a0 net/ipv4/tcp_input.c:4585
[<ffffffff823fd062>] tcp_sendmsg+0x2332/0x2ab0 net/ipv4/tcp.c:1134
[<ffffffff824a8b42>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:755
[<ffffffff821d838e>] sock_sendmsg_nosec net/socket.c:638 [inline]
[<ffffffff821d838e>] sock_sendmsg+0xbe/0x110 net/socket.c:648
[<ffffffff821d8615>] sock_write_iter+0x235/0x3d0 net/socket.c:847
[<ffffffff81496ae8>] new_sync_write fs/read_write.c:480 [inline]
[<ffffffff81496ae8>] __vfs_write+0x2e8/0x3d0 fs/read_write.c:493
[<ffffffff81498612>] vfs_write+0x182/0x4e0 fs/read_write.c:540
[<ffffffff8149ac4c>] SYSC_write fs/read_write.c:587 [inline]
[<ffffffff8149ac4c>] SyS_write+0xdc/0x1c0 fs/read_write.c:579
[<ffffffff82718ba1>] entry_SYSCALL_64_fastpath+0x1e/0x9a
---
This bug is generated by a bot. It may contain errors.
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