unregister_netdevice: waiting for lo to become free
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syzbot
Apr 17, 2018, 12:02:02 AM4/17/18
to syzkaller-upst...@googlegroups.com
Hello,
syzbot hit the following crash on upstream commit
1bad9ce155a7c010a9a5f3261ad12a6a8eccfb2c (Fri Apr 13 19:27:11 2018 +0000)
Merge tag 'sh-for-4.17' of git://git.libc.org/linux-sh
syzbot dashboard link:
https://syzkaller.appspot.com/bug?extid=3ff2733a31b1672f910d
So far this crash happened 779 times on
https://github.com/google/kmsan.git/master, upstream.
Unfortunately, I don't have any reproducer for this crash yet.
Raw console output:
https://syzkaller.appspot.com/x/log.txt?id=6647675344650240
Kernel config:
https://syzkaller.appspot.com/x/.config?id=-5947642240294114534
compiler: gcc (GCC) 8.0.1 20180413 (experimental)
CC: [ak...@linux-foundation.org gre...@linuxfoundation.org
hmcla...@fb.com kste...@linuxfoundation.org
linux-...@vger.kernel.org linu...@kvack.org pombr...@nexb.com
tg...@linutronix.de]
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+3ff273...@syzkaller.appspotmail.com
It will help syzbot understand when the bug is fixed. See footer for
details.
If you forward the report, please keep this part and the footer.
EXT4-fs warning (device sda1): ext4_resize_begin:45: There are errors in
the filesystem, so online resizing is not allowed
unregister_netdevice: waiting for lo to become free. Usage count = 1
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8960 Comm: syz-executor7 Not tainted 4.16.0+ #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1b9/0x294 lib/dump_stack.c:113
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149
__should_failslab+0x124/0x180 mm/failslab.c:32
should_failslab+0x9/0x14 mm/slab_common.c:1522
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc mm/slab.c:3378 [inline]
__do_kmalloc mm/slab.c:3716 [inline]
__kmalloc+0x2c8/0x760 mm/slab.c:3727
kmalloc include/linux/slab.h:517 [inline]
kzalloc include/linux/slab.h:701 [inline]
ext4_find_extent+0x6f3/0x960 fs/ext4/extents.c:882
ext4_ext_map_blocks+0x28a/0x6270 fs/ext4/extents.c:4280
ext4_map_blocks+0xe17/0x1b40 fs/ext4/inode.c:559
ext4_getblk+0x105/0x600 fs/ext4/inode.c:966
ext4_bread+0x8d/0x2a0 fs/ext4/inode.c:1016
ext4_append+0x14e/0x370 fs/ext4/namei.c:66
ext4_init_new_dir fs/ext4/namei.c:2588 [inline]
ext4_mkdir+0x52a/0xe50 fs/ext4/namei.c:2635
vfs_mkdir+0x42e/0x6b0 fs/namei.c:3787
do_mkdirat+0x266/0x2f0 fs/namei.c:3810
SYSC_mkdir fs/namei.c:3826 [inline]
SyS_mkdir+0x22/0x30 fs/namei.c:3824
do_syscall_64+0x29e/0x9d0 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x455319
RSP: 002b:00007f8175690c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f81756916d4 RCX: 0000000000455319
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000005
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 9017 Comm: syz-executor7 Not tainted 4.16.0+ #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1b9/0x294 lib/dump_stack.c:113
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149
__should_failslab+0x124/0x180 mm/failslab.c:32
should_failslab+0x9/0x14 mm/slab_common.c:1522
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc mm/slab.c:3378 [inline]
kmem_cache_alloc+0x47/0x760 mm/slab.c:3552
ext4_es_alloc_extent fs/ext4/extents_status.c:334 [inline]
__es_insert_extent+0x2fd/0x1130 fs/ext4/extents_status.c:673
ext4_es_insert_extent+0x2d9/0x7c0 fs/ext4/extents_status.c:727
ext4_ext_put_gap_in_cache+0x150/0x1d0 fs/ext4/extents.c:2357
ext4_ext_map_blocks+0x240e/0x6270 fs/ext4/extents.c:4363
ext4_map_blocks+0xe17/0x1b40 fs/ext4/inode.c:559
ext4_getblk+0x105/0x600 fs/ext4/inode.c:966
ext4_bread+0x8d/0x2a0 fs/ext4/inode.c:1016
ext4_append+0x14e/0x370 fs/ext4/namei.c:66
ext4_init_new_dir fs/ext4/namei.c:2588 [inline]
ext4_mkdir+0x52a/0xe50 fs/ext4/namei.c:2635
vfs_mkdir+0x42e/0x6b0 fs/namei.c:3787
do_mkdirat+0x266/0x2f0 fs/namei.c:3810
SYSC_mkdir fs/namei.c:3826 [inline]
SyS_mkdir+0x22/0x30 fs/namei.c:3824
do_syscall_64+0x29e/0x9d0 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x455319
RSP: 002b:00007f8175690c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f81756916d4 RCX: 0000000000455319
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000006
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 9069 Comm: syz-executor7 Not tainted 4.16.0+ #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1b9/0x294 lib/dump_stack.c:113
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149
__should_failslab+0x124/0x180 mm/failslab.c:32
should_failslab+0x9/0x14 mm/slab_common.c:1522
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc mm/slab.c:3378 [inline]
__do_kmalloc mm/slab.c:3716 [inline]
__kmalloc+0x2c8/0x760 mm/slab.c:3727
kmalloc include/linux/slab.h:517 [inline]
kzalloc include/linux/slab.h:701 [inline]
ext4_find_extent+0x6f3/0x960 fs/ext4/extents.c:882
ext4_ext_map_blocks+0x28a/0x6270 fs/ext4/extents.c:4280
ext4_map_blocks+0x8d9/0x1b40 fs/ext4/inode.c:636
ext4_getblk+0x105/0x600 fs/ext4/inode.c:966
ext4_bread+0x8d/0x2a0 fs/ext4/inode.c:1016
ext4_append+0x14e/0x370 fs/ext4/namei.c:66
ext4_init_new_dir fs/ext4/namei.c:2588 [inline]
ext4_mkdir+0x52a/0xe50 fs/ext4/namei.c:2635
vfs_mkdir+0x42e/0x6b0 fs/namei.c:3787
do_mkdirat+0x266/0x2f0 fs/namei.c:3810
SYSC_mkdir fs/namei.c:3826 [inline]
SyS_mkdir+0x22/0x30 fs/namei.c:3824
do_syscall_64+0x29e/0x9d0 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x455319
RSP: 002b:00007f8175690c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f81756916d4 RCX: 0000000000455319
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000007
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 9103 Comm: syz-executor7 Not tainted 4.16.0+ #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1b9/0x294 lib/dump_stack.c:113
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149
__should_failslab+0x124/0x180 mm/failslab.c:32
should_failslab+0x9/0x14 mm/slab_common.c:1522
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc mm/slab.c:3378 [inline]
kmem_cache_alloc+0x2af/0x760 mm/slab.c:3552
kmem_cache_zalloc include/linux/slab.h:691 [inline]
ext4_mb_new_blocks+0x773/0x4730 fs/ext4/mballoc.c:4538
ext4_ext_map_blocks+0x2d63/0x6270 fs/ext4/extents.c:4461
ext4_map_blocks+0x8d9/0x1b40 fs/ext4/inode.c:636
ext4_getblk+0x105/0x600 fs/ext4/inode.c:966
ext4_bread+0x8d/0x2a0 fs/ext4/inode.c:1016
ext4_append+0x14e/0x370 fs/ext4/namei.c:66
ext4_init_new_dir fs/ext4/namei.c:2588 [inline]
ext4_mkdir+0x52a/0xe50 fs/ext4/namei.c:2635
vfs_mkdir+0x42e/0x6b0 fs/namei.c:3787
do_mkdirat+0x266/0x2f0 fs/namei.c:3810
SYSC_mkdir fs/namei.c:3826 [inline]
SyS_mkdir+0x22/0x30 fs/namei.c:3824
do_syscall_64+0x29e/0x9d0 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x455319
RSP: 002b:00007f8175690c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f81756916d4 RCX: 0000000000455319
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000008
JFS: Cannot determine volume size
jfs: Unrecognized mount option "uid=;9917899" or missing value
kernel msg: ebtables bug: please report to author: Entries_size never zero
hfsplus: unable to find HFS+ superblock
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 9162 Comm: syz-executor7 Not tainted 4.16.0+ #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1b9/0x294 lib/dump_stack.c:113
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149
__should_failslab+0x124/0x180 mm/failslab.c:32
should_failslab+0x9/0x14 mm/slab_common.c:1522
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc mm/slab.c:3378 [inline]
kmem_cache_alloc+0x47/0x760 mm/slab.c:3552
ext4_es_alloc_extent fs/ext4/extents_status.c:334 [inline]
__es_insert_extent+0x2fd/0x1130 fs/ext4/extents_status.c:673
ext4_es_insert_extent+0x2d9/0x7c0 fs/ext4/extents_status.c:727
ext4_map_blocks+0xaee/0x1b40 fs/ext4/inode.c:707
ext4_getblk+0x105/0x600 fs/ext4/inode.c:966
ext4_bread+0x8d/0x2a0 fs/ext4/inode.c:1016
ext4_append+0x14e/0x370 fs/ext4/namei.c:66
ext4_init_new_dir fs/ext4/namei.c:2588 [inline]
ext4_mkdir+0x52a/0xe50 fs/ext4/namei.c:2635
vfs_mkdir+0x42e/0x6b0 fs/namei.c:3787
do_mkdirat+0x266/0x2f0 fs/namei.c:3810
SYSC_mkdir fs/namei.c:3826 [inline]
SyS_mkdir+0x22/0x30 fs/namei.c:3824
do_syscall_64+0x29e/0x9d0 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x455319
RSP: 002b:00007f8175690c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f81756916d4 RCX: 0000000000455319
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000009
kernel msg: ebtables bug: please report to author: Entries_size never zero
hfsplus: unable to find HFS+ superblock
bridge: RTM_NEWNEIGH with invalid state 0x0
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 9211 Comm: syz-executor7 Not tainted 4.16.0+ #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1b9/0x294 lib/dump_stack.c:113
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149
__should_failslab+0x124/0x180 mm/failslab.c:32
should_failslab+0x9/0x14 mm/slab_common.c:1522
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc mm/slab.c:3378 [inline]
kmem_cache_alloc+0x2af/0x760 mm/slab.c:3552
kmem_cache_zalloc include/linux/slab.h:691 [inline]
journal_alloc_journal_head fs/jbd2/journal.c:2423 [inline]
jbd2_journal_add_journal_head+0x1e7/0x5c0 fs/jbd2/journal.c:2490
jbd2_journal_get_create_access+0x42/0x600 fs/jbd2/transaction.c:1122
__ext4_journal_get_create_access+0x46/0x90 fs/ext4/ext4_jbd2.c:250
ext4_getblk+0x2a9/0x600 fs/ext4/inode.c:989
ext4_bread+0x8d/0x2a0 fs/ext4/inode.c:1016
ext4_append+0x14e/0x370 fs/ext4/namei.c:66
ext4_init_new_dir fs/ext4/namei.c:2588 [inline]
ext4_mkdir+0x52a/0xe50 fs/ext4/namei.c:2635
vfs_mkdir+0x42e/0x6b0 fs/namei.c:3787
do_mkdirat+0x266/0x2f0 fs/namei.c:3810
SYSC_mkdir fs/namei.c:3826 [inline]
SyS_mkdir+0x22/0x30 fs/namei.c:3824
do_syscall_64+0x29e/0x9d0 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x455319
RSP: 002b:00007f8175690c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f81756916d4 RCX: 0000000000455319
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 00000000000003eb R14: 00000000006f8ea8 R15: 000000000000000a
ENOMEM in journal_alloc_journal_head, retrying.
bridge: RTM_NEWNEIGH with invalid state 0x0
bridge: RTM_NEWNEIGH with invalid state 0x0
program syz-executor0 is using a deprecated SCSI ioctl, please convert it
to SG_IO
sd 0:0:1:0: ioctl_internal_command: ILLEGAL REQUEST asc=0x20 ascq=0x0
program syz-executor0 is using a deprecated SCSI ioctl, please convert it
to SG_IO
sd 0:0:1:0: ioctl_internal_command: ILLEGAL REQUEST asc=0x20 ascq=0x0
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 9441 Comm: syz-executor5 Not tainted 4.16.0+ #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1b9/0x294 lib/dump_stack.c:113
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149
__should_failslab+0x124/0x180 mm/failslab.c:32
should_failslab+0x9/0x14 mm/slab_common.c:1522
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc_node mm/slab.c:3299 [inline]
kmem_cache_alloc_node+0x272/0x780 mm/slab.c:3642
__alloc_skb+0x111/0x780 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:987 [inline]
netlink_alloc_large_skb net/netlink/af_netlink.c:1182 [inline]
netlink_sendmsg+0xb01/0xfa0 net/netlink/af_netlink.c:1876
sock_sendmsg_nosec net/socket.c:629 [inline]
sock_sendmsg+0xd5/0x120 net/socket.c:639
___sys_sendmsg+0x805/0x940 net/socket.c:2117
__sys_sendmsg+0x115/0x270 net/socket.c:2155
SYSC_sendmsg net/socket.c:2164 [inline]
SyS_sendmsg+0x29/0x30 net/socket.c:2162
do_syscall_64+0x29e/0x9d0 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x455319
RSP: 002b:00007f65a3c87c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f65a3c886d4 RCX: 0000000000455319
RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000013
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 00000000000004f1 R14: 00000000006fa738 R15: 0000000000000000
bridge: RTM_NEWNEIGH with invalid state 0x0
bridge: RTM_NEWNEIGH with invalid state 0x0
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 9494 Comm: syz-executor5 Not tainted 4.16.0+ #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1b9/0x294 lib/dump_stack.c:113
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149
__should_failslab+0x124/0x180 mm/failslab.c:32
should_failslab+0x9/0x14 mm/slab_common.c:1522
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc_node mm/slab.c:3299 [inline]
kmem_cache_alloc_node_trace+0x26f/0x770 mm/slab.c:3661
__do_kmalloc_node mm/slab.c:3681 [inline]
__kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696
__kmalloc_reserve.isra.38+0x3a/0xe0 net/core/skbuff.c:137
__alloc_skb+0x14d/0x780 net/core/skbuff.c:205
alloc_skb include/linux/skbuff.h:987 [inline]
netlink_alloc_large_skb net/netlink/af_netlink.c:1182 [inline]
netlink_sendmsg+0xb01/0xfa0 net/netlink/af_netlink.c:1876
sock_sendmsg_nosec net/socket.c:629 [inline]
sock_sendmsg+0xd5/0x120 net/socket.c:639
___sys_sendmsg+0x805/0x940 net/socket.c:2117
__sys_sendmsg+0x115/0x270 net/socket.c:2155
SYSC_sendmsg net/socket.c:2164 [inline]
SyS_sendmsg+0x29/0x30 net/socket.c:2162
do_syscall_64+0x29e/0x9d0 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x455319
RSP: 002b:00007f65a3c87c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f65a3c886d4 RCX: 0000000000455319
RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000013
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 00000000000004f1 R14: 00000000006fa738 R15: 0000000000000001
---
This bug is generated by a dumb bot. It may contain errors.
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syzbot hit the following crash on upstream commit
1bad9ce155a7c010a9a5f3261ad12a6a8eccfb2c (Fri Apr 13 19:27:11 2018 +0000)
Merge tag 'sh-for-4.17' of git://git.libc.org/linux-sh
syzbot dashboard link:
https://syzkaller.appspot.com/bug?extid=3ff2733a31b1672f910d
So far this crash happened 779 times on
https://github.com/google/kmsan.git/master, upstream.
Unfortunately, I don't have any reproducer for this crash yet.
Raw console output:
https://syzkaller.appspot.com/x/log.txt?id=6647675344650240
Kernel config:
https://syzkaller.appspot.com/x/.config?id=-5947642240294114534
compiler: gcc (GCC) 8.0.1 20180413 (experimental)
CC: [ak...@linux-foundation.org gre...@linuxfoundation.org
hmcla...@fb.com kste...@linuxfoundation.org
linux-...@vger.kernel.org linu...@kvack.org pombr...@nexb.com
tg...@linutronix.de]
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by: syzbot+3ff273...@syzkaller.appspotmail.com
It will help syzbot understand when the bug is fixed. See footer for
details.
If you forward the report, please keep this part and the footer.
EXT4-fs warning (device sda1): ext4_resize_begin:45: There are errors in
the filesystem, so online resizing is not allowed
unregister_netdevice: waiting for lo to become free. Usage count = 1
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 8960 Comm: syz-executor7 Not tainted 4.16.0+ #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1b9/0x294 lib/dump_stack.c:113
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149
__should_failslab+0x124/0x180 mm/failslab.c:32
should_failslab+0x9/0x14 mm/slab_common.c:1522
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc mm/slab.c:3378 [inline]
__do_kmalloc mm/slab.c:3716 [inline]
__kmalloc+0x2c8/0x760 mm/slab.c:3727
kmalloc include/linux/slab.h:517 [inline]
kzalloc include/linux/slab.h:701 [inline]
ext4_find_extent+0x6f3/0x960 fs/ext4/extents.c:882
ext4_ext_map_blocks+0x28a/0x6270 fs/ext4/extents.c:4280
ext4_map_blocks+0xe17/0x1b40 fs/ext4/inode.c:559
ext4_getblk+0x105/0x600 fs/ext4/inode.c:966
ext4_bread+0x8d/0x2a0 fs/ext4/inode.c:1016
ext4_append+0x14e/0x370 fs/ext4/namei.c:66
ext4_init_new_dir fs/ext4/namei.c:2588 [inline]
ext4_mkdir+0x52a/0xe50 fs/ext4/namei.c:2635
vfs_mkdir+0x42e/0x6b0 fs/namei.c:3787
do_mkdirat+0x266/0x2f0 fs/namei.c:3810
SYSC_mkdir fs/namei.c:3826 [inline]
SyS_mkdir+0x22/0x30 fs/namei.c:3824
do_syscall_64+0x29e/0x9d0 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x455319
RSP: 002b:00007f8175690c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f81756916d4 RCX: 0000000000455319
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000005
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 9017 Comm: syz-executor7 Not tainted 4.16.0+ #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1b9/0x294 lib/dump_stack.c:113
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149
__should_failslab+0x124/0x180 mm/failslab.c:32
should_failslab+0x9/0x14 mm/slab_common.c:1522
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc mm/slab.c:3378 [inline]
kmem_cache_alloc+0x47/0x760 mm/slab.c:3552
ext4_es_alloc_extent fs/ext4/extents_status.c:334 [inline]
__es_insert_extent+0x2fd/0x1130 fs/ext4/extents_status.c:673
ext4_es_insert_extent+0x2d9/0x7c0 fs/ext4/extents_status.c:727
ext4_ext_put_gap_in_cache+0x150/0x1d0 fs/ext4/extents.c:2357
ext4_ext_map_blocks+0x240e/0x6270 fs/ext4/extents.c:4363
ext4_map_blocks+0xe17/0x1b40 fs/ext4/inode.c:559
ext4_getblk+0x105/0x600 fs/ext4/inode.c:966
ext4_bread+0x8d/0x2a0 fs/ext4/inode.c:1016
ext4_append+0x14e/0x370 fs/ext4/namei.c:66
ext4_init_new_dir fs/ext4/namei.c:2588 [inline]
ext4_mkdir+0x52a/0xe50 fs/ext4/namei.c:2635
vfs_mkdir+0x42e/0x6b0 fs/namei.c:3787
do_mkdirat+0x266/0x2f0 fs/namei.c:3810
SYSC_mkdir fs/namei.c:3826 [inline]
SyS_mkdir+0x22/0x30 fs/namei.c:3824
do_syscall_64+0x29e/0x9d0 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x455319
RSP: 002b:00007f8175690c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f81756916d4 RCX: 0000000000455319
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000006
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 9069 Comm: syz-executor7 Not tainted 4.16.0+ #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1b9/0x294 lib/dump_stack.c:113
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149
__should_failslab+0x124/0x180 mm/failslab.c:32
should_failslab+0x9/0x14 mm/slab_common.c:1522
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc mm/slab.c:3378 [inline]
__do_kmalloc mm/slab.c:3716 [inline]
__kmalloc+0x2c8/0x760 mm/slab.c:3727
kmalloc include/linux/slab.h:517 [inline]
kzalloc include/linux/slab.h:701 [inline]
ext4_find_extent+0x6f3/0x960 fs/ext4/extents.c:882
ext4_ext_map_blocks+0x28a/0x6270 fs/ext4/extents.c:4280
ext4_map_blocks+0x8d9/0x1b40 fs/ext4/inode.c:636
ext4_getblk+0x105/0x600 fs/ext4/inode.c:966
ext4_bread+0x8d/0x2a0 fs/ext4/inode.c:1016
ext4_append+0x14e/0x370 fs/ext4/namei.c:66
ext4_init_new_dir fs/ext4/namei.c:2588 [inline]
ext4_mkdir+0x52a/0xe50 fs/ext4/namei.c:2635
vfs_mkdir+0x42e/0x6b0 fs/namei.c:3787
do_mkdirat+0x266/0x2f0 fs/namei.c:3810
SYSC_mkdir fs/namei.c:3826 [inline]
SyS_mkdir+0x22/0x30 fs/namei.c:3824
do_syscall_64+0x29e/0x9d0 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x455319
RSP: 002b:00007f8175690c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f81756916d4 RCX: 0000000000455319
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000007
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 9103 Comm: syz-executor7 Not tainted 4.16.0+ #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1b9/0x294 lib/dump_stack.c:113
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149
__should_failslab+0x124/0x180 mm/failslab.c:32
should_failslab+0x9/0x14 mm/slab_common.c:1522
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc mm/slab.c:3378 [inline]
kmem_cache_alloc+0x2af/0x760 mm/slab.c:3552
kmem_cache_zalloc include/linux/slab.h:691 [inline]
ext4_mb_new_blocks+0x773/0x4730 fs/ext4/mballoc.c:4538
ext4_ext_map_blocks+0x2d63/0x6270 fs/ext4/extents.c:4461
ext4_map_blocks+0x8d9/0x1b40 fs/ext4/inode.c:636
ext4_getblk+0x105/0x600 fs/ext4/inode.c:966
ext4_bread+0x8d/0x2a0 fs/ext4/inode.c:1016
ext4_append+0x14e/0x370 fs/ext4/namei.c:66
ext4_init_new_dir fs/ext4/namei.c:2588 [inline]
ext4_mkdir+0x52a/0xe50 fs/ext4/namei.c:2635
vfs_mkdir+0x42e/0x6b0 fs/namei.c:3787
do_mkdirat+0x266/0x2f0 fs/namei.c:3810
SYSC_mkdir fs/namei.c:3826 [inline]
SyS_mkdir+0x22/0x30 fs/namei.c:3824
do_syscall_64+0x29e/0x9d0 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x455319
RSP: 002b:00007f8175690c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f81756916d4 RCX: 0000000000455319
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000008
JFS: Cannot determine volume size
jfs: Unrecognized mount option "uid=;9917899" or missing value
kernel msg: ebtables bug: please report to author: Entries_size never zero
hfsplus: unable to find HFS+ superblock
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 9162 Comm: syz-executor7 Not tainted 4.16.0+ #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1b9/0x294 lib/dump_stack.c:113
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149
__should_failslab+0x124/0x180 mm/failslab.c:32
should_failslab+0x9/0x14 mm/slab_common.c:1522
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc mm/slab.c:3378 [inline]
kmem_cache_alloc+0x47/0x760 mm/slab.c:3552
ext4_es_alloc_extent fs/ext4/extents_status.c:334 [inline]
__es_insert_extent+0x2fd/0x1130 fs/ext4/extents_status.c:673
ext4_es_insert_extent+0x2d9/0x7c0 fs/ext4/extents_status.c:727
ext4_map_blocks+0xaee/0x1b40 fs/ext4/inode.c:707
ext4_getblk+0x105/0x600 fs/ext4/inode.c:966
ext4_bread+0x8d/0x2a0 fs/ext4/inode.c:1016
ext4_append+0x14e/0x370 fs/ext4/namei.c:66
ext4_init_new_dir fs/ext4/namei.c:2588 [inline]
ext4_mkdir+0x52a/0xe50 fs/ext4/namei.c:2635
vfs_mkdir+0x42e/0x6b0 fs/namei.c:3787
do_mkdirat+0x266/0x2f0 fs/namei.c:3810
SYSC_mkdir fs/namei.c:3826 [inline]
SyS_mkdir+0x22/0x30 fs/namei.c:3824
do_syscall_64+0x29e/0x9d0 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x455319
RSP: 002b:00007f8175690c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f81756916d4 RCX: 0000000000455319
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 00000000000003eb R14: 00000000006f8ea8 R15: 0000000000000009
kernel msg: ebtables bug: please report to author: Entries_size never zero
hfsplus: unable to find HFS+ superblock
bridge: RTM_NEWNEIGH with invalid state 0x0
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 9211 Comm: syz-executor7 Not tainted 4.16.0+ #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1b9/0x294 lib/dump_stack.c:113
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149
__should_failslab+0x124/0x180 mm/failslab.c:32
should_failslab+0x9/0x14 mm/slab_common.c:1522
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc mm/slab.c:3378 [inline]
kmem_cache_alloc+0x2af/0x760 mm/slab.c:3552
kmem_cache_zalloc include/linux/slab.h:691 [inline]
journal_alloc_journal_head fs/jbd2/journal.c:2423 [inline]
jbd2_journal_add_journal_head+0x1e7/0x5c0 fs/jbd2/journal.c:2490
jbd2_journal_get_create_access+0x42/0x600 fs/jbd2/transaction.c:1122
__ext4_journal_get_create_access+0x46/0x90 fs/ext4/ext4_jbd2.c:250
ext4_getblk+0x2a9/0x600 fs/ext4/inode.c:989
ext4_bread+0x8d/0x2a0 fs/ext4/inode.c:1016
ext4_append+0x14e/0x370 fs/ext4/namei.c:66
ext4_init_new_dir fs/ext4/namei.c:2588 [inline]
ext4_mkdir+0x52a/0xe50 fs/ext4/namei.c:2635
vfs_mkdir+0x42e/0x6b0 fs/namei.c:3787
do_mkdirat+0x266/0x2f0 fs/namei.c:3810
SYSC_mkdir fs/namei.c:3826 [inline]
SyS_mkdir+0x22/0x30 fs/namei.c:3824
do_syscall_64+0x29e/0x9d0 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x455319
RSP: 002b:00007f8175690c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f81756916d4 RCX: 0000000000455319
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 00000000000003eb R14: 00000000006f8ea8 R15: 000000000000000a
ENOMEM in journal_alloc_journal_head, retrying.
bridge: RTM_NEWNEIGH with invalid state 0x0
bridge: RTM_NEWNEIGH with invalid state 0x0
program syz-executor0 is using a deprecated SCSI ioctl, please convert it
to SG_IO
sd 0:0:1:0: ioctl_internal_command: ILLEGAL REQUEST asc=0x20 ascq=0x0
program syz-executor0 is using a deprecated SCSI ioctl, please convert it
to SG_IO
sd 0:0:1:0: ioctl_internal_command: ILLEGAL REQUEST asc=0x20 ascq=0x0
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 9441 Comm: syz-executor5 Not tainted 4.16.0+ #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1b9/0x294 lib/dump_stack.c:113
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149
__should_failslab+0x124/0x180 mm/failslab.c:32
should_failslab+0x9/0x14 mm/slab_common.c:1522
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc_node mm/slab.c:3299 [inline]
kmem_cache_alloc_node+0x272/0x780 mm/slab.c:3642
__alloc_skb+0x111/0x780 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:987 [inline]
netlink_alloc_large_skb net/netlink/af_netlink.c:1182 [inline]
netlink_sendmsg+0xb01/0xfa0 net/netlink/af_netlink.c:1876
sock_sendmsg_nosec net/socket.c:629 [inline]
sock_sendmsg+0xd5/0x120 net/socket.c:639
___sys_sendmsg+0x805/0x940 net/socket.c:2117
__sys_sendmsg+0x115/0x270 net/socket.c:2155
SYSC_sendmsg net/socket.c:2164 [inline]
SyS_sendmsg+0x29/0x30 net/socket.c:2162
do_syscall_64+0x29e/0x9d0 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x455319
RSP: 002b:00007f65a3c87c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f65a3c886d4 RCX: 0000000000455319
RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000013
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 00000000000004f1 R14: 00000000006fa738 R15: 0000000000000000
bridge: RTM_NEWNEIGH with invalid state 0x0
bridge: RTM_NEWNEIGH with invalid state 0x0
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 9494 Comm: syz-executor5 Not tainted 4.16.0+ #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1b9/0x294 lib/dump_stack.c:113
fail_dump lib/fault-inject.c:51 [inline]
should_fail.cold.4+0xa/0x1a lib/fault-inject.c:149
__should_failslab+0x124/0x180 mm/failslab.c:32
should_failslab+0x9/0x14 mm/slab_common.c:1522
slab_pre_alloc_hook mm/slab.h:423 [inline]
slab_alloc_node mm/slab.c:3299 [inline]
kmem_cache_alloc_node_trace+0x26f/0x770 mm/slab.c:3661
__do_kmalloc_node mm/slab.c:3681 [inline]
__kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3696
__kmalloc_reserve.isra.38+0x3a/0xe0 net/core/skbuff.c:137
__alloc_skb+0x14d/0x780 net/core/skbuff.c:205
alloc_skb include/linux/skbuff.h:987 [inline]
netlink_alloc_large_skb net/netlink/af_netlink.c:1182 [inline]
netlink_sendmsg+0xb01/0xfa0 net/netlink/af_netlink.c:1876
sock_sendmsg_nosec net/socket.c:629 [inline]
sock_sendmsg+0xd5/0x120 net/socket.c:639
___sys_sendmsg+0x805/0x940 net/socket.c:2117
__sys_sendmsg+0x115/0x270 net/socket.c:2155
SYSC_sendmsg net/socket.c:2164 [inline]
SyS_sendmsg+0x29/0x30 net/socket.c:2162
do_syscall_64+0x29e/0x9d0 arch/x86/entry/common.c:287
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x455319
RSP: 002b:00007f65a3c87c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f65a3c886d4 RCX: 0000000000455319
RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000013
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014
R13: 00000000000004f1 R14: 00000000006fa738 R15: 0000000000000001
---
This bug is generated by a dumb bot. It may contain errors.
See https://goo.gl/tpsmEJ for details.
Direct all questions to syzk...@googlegroups.com.
syzbot will keep track of this bug report.
If you forgot to add the Reported-by tag, once the fix for this bug is
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To mark this as a duplicate of another syzbot report, please reply with:
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Note: if the crash happens again, it will cause creation of a new bug
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To upstream this report, please reply with:
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Dmitry Vyukov
Apr 19, 2018, 10:42:16 AM4/19/18
to syzbot, 'Dmitry Vyukov' via syzkaller-upstream-moderation
superceded by "unregister_netdevice: waiting for DEV to become free"
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