BUG: corrupted list in sysfs_warn_dup (2)
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syzbot
Dec 2, 2022, 11:54:39 PM12/2/22
to syzkaller...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: 3f8a27f9e27b Linux 4.19.211
git tree: linux-4.19.y
console output: https://syzkaller.appspot.com/x/log.txt?x=11e7e1d3880000
kernel config: https://syzkaller.appspot.com/x/.config?x=9b9277b418617afe
dashboard link: https://syzkaller.appspot.com/bug?extid=73a2d5648d7eae700a2a
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/98c0bdb4abb3/disk-3f8a27f9.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/ea228ff02669/vmlinux-3f8a27f9.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+73a2d5...@syzkaller.appspotmail.com
sysfs: cannot create duplicate filename '/class/ieee80211/�,��;qO !'
list_del corruption, ffff88809ab57a90->next is LIST_POISON1 (dead000000000100)
CPU: 1 PID: 17599 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
------------[ cut here ]------------
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
kernel BUG at lib/list_debug.c:45!
Call Trace:
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
CPU: 0 PID: 17596 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0
sysfs_warn_dup.cold+0x1c/0x29 fs/sysfs/dir.c:30
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
sysfs_do_create_link_sd+0x116/0x130 fs/sysfs/symlink.c:50
RIP: 0010:__list_del_entry_valid.cold+0x23/0x4a lib/list_debug.c:45
sysfs_do_create_link fs/sysfs/symlink.c:79 [inline]
sysfs_create_link+0x5f/0xc0 fs/sysfs/symlink.c:91
Code: e8 11 43 f7 ff 0f 0b 48 89 ee 48 c7 c7 40 e4 b3 88 e8 00 43 f7 ff 0f 0b 4c 89 ea 48 89 ee 48 c7 c7 80 e3 b3 88 e8 ec 42 f7 ff <0f> 0b 4c 89 e2 48 89 ee 48 c7 c7 e0 e3 b3 88 e8 d8 42 f7 ff 0f 0b
device_add_class_symlinks drivers/base/core.c:1934 [inline]
device_add+0x7d1/0x16d0 drivers/base/core.c:2136
RSP: 0018:ffff88809ab57970 EFLAGS: 00010086
RAX: 000000000000004e RBX: ffff88809ab57a78 RCX: 0000000000000000
RDX: 0000000000036ae6 RSI: ffffffff814dff01 RDI: ffffed101356af20
wiphy_register+0x1664/0x2130 net/wireless/core.c:832
RBP: ffff88809ab57a90 R08: 000000000000004e R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: dead000000000200
R13: dead000000000100 R14: ffff88809ab57a98 R15: 0000000000000007
FS: 00007efcab48b700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30a22000 CR3: 000000004bff8000 CR4: 00000000003406f0
ieee80211_register_hw+0x13be/0x3550 net/mac80211/main.c:1106
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__list_del_entry include/linux/list.h:117 [inline]
list_del include/linux/list.h:125 [inline]
__remove_wait_queue include/linux/wait.h:184 [inline]
remove_wait_queue+0x2c/0x180 kernel/sched/wait.c:44
mac80211_hwsim_new_radio+0x1d3f/0x3c60 drivers/net/wireless/mac80211_hwsim.c:2896
__tipc_sendstream+0x373/0x9d0 net/tipc/socket.c:1449
hwsim_new_radio_nl+0x5c3/0x850 drivers/net/wireless/mac80211_hwsim.c:3374
tipc_sendstream+0x4c/0x70 net/tipc/socket.c:1414
genl_family_rcv_msg+0x642/0xc40 net/netlink/genetlink.c:602
sock_sendmsg_nosec net/socket.c:651 [inline]
sock_sendmsg+0xc3/0x120 net/socket.c:661
sock_write_iter+0x287/0x3c0 net/socket.c:966
genl_rcv_msg+0xbf/0x160 net/netlink/genetlink.c:627
netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463
call_write_iter include/linux/fs.h:1821 [inline]
new_sync_write fs/read_write.c:474 [inline]
__vfs_write+0x51b/0x770 fs/read_write.c:487
genl_rcv+0x24/0x40 net/netlink/genetlink.c:638
vfs_write+0x1f3/0x540 fs/read_write.c:549
netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline]
netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351
ksys_write+0x12b/0x2a0 fs/read_write.c:599
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7efcacf5b0d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007efcab48b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007efcad07b120 RCX: 00007efcacf5b0d9
sock_sendmsg_nosec net/socket.c:651 [inline]
sock_sendmsg+0xc3/0x120 net/socket.c:661
RDX: 000000002000011a RSI: 0000000020000040 RDI: 0000000000000005
___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227
RBP: 00007efcacfb6ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff9e08646f R14: 00007efcab48b300 R15: 0000000000022000
Modules linked in:
---[ end trace 3ba5df785119da10 ]---
RIP: 0010:__list_del_entry_valid.cold+0x23/0x4a lib/list_debug.c:45
Code: e8 11 43 f7 ff 0f 0b 48 89 ee 48 c7 c7 40 e4 b3 88 e8 00 43 f7 ff 0f 0b 4c 89 ea 48 89 ee 48 c7 c7 80 e3 b3 88 e8 ec 42 f7 ff <0f> 0b 4c 89 e2 48 89 ee 48 c7 c7 e0 e3 b3 88 e8 d8 42 f7 ff 0f 0b
RSP: 0018:ffff88809ab57970 EFLAGS: 00010086
RAX: 000000000000004e RBX: ffff88809ab57a78 RCX: 0000000000000000
RDX: 0000000000036ae6 RSI: ffffffff814dff01 RDI: ffffed101356af20
RBP: ffff88809ab57a90 R08: 000000000000004e R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: dead000000000200
R13: dead000000000100 R14: ffff88809ab57a98 R15: 0000000000000007
FS: 00007efcab48b700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
__sys_sendmsg net/socket.c:2265 [inline]
__do_sys_sendmsg net/socket.c:2274 [inline]
__se_sys_sendmsg net/socket.c:2272 [inline]
__x64_sys_sendmsg+0x132/0x220 net/socket.c:2272
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30a22000 CR3: 000000004bff8000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
---
This report 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 issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot found the following issue on:
HEAD commit: 3f8a27f9e27b Linux 4.19.211
git tree: linux-4.19.y
console output: https://syzkaller.appspot.com/x/log.txt?x=11e7e1d3880000
kernel config: https://syzkaller.appspot.com/x/.config?x=9b9277b418617afe
dashboard link: https://syzkaller.appspot.com/bug?extid=73a2d5648d7eae700a2a
compiler: gcc version 10.2.1 20210110 (Debian 10.2.1-6)
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/98c0bdb4abb3/disk-3f8a27f9.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/ea228ff02669/vmlinux-3f8a27f9.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+73a2d5...@syzkaller.appspotmail.com
sysfs: cannot create duplicate filename '/class/ieee80211/�,��;qO !'
list_del corruption, ffff88809ab57a90->next is LIST_POISON1 (dead000000000100)
CPU: 1 PID: 17599 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0
------------[ cut here ]------------
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
kernel BUG at lib/list_debug.c:45!
Call Trace:
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
CPU: 0 PID: 17596 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0
sysfs_warn_dup.cold+0x1c/0x29 fs/sysfs/dir.c:30
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
sysfs_do_create_link_sd+0x116/0x130 fs/sysfs/symlink.c:50
RIP: 0010:__list_del_entry_valid.cold+0x23/0x4a lib/list_debug.c:45
sysfs_do_create_link fs/sysfs/symlink.c:79 [inline]
sysfs_create_link+0x5f/0xc0 fs/sysfs/symlink.c:91
Code: e8 11 43 f7 ff 0f 0b 48 89 ee 48 c7 c7 40 e4 b3 88 e8 00 43 f7 ff 0f 0b 4c 89 ea 48 89 ee 48 c7 c7 80 e3 b3 88 e8 ec 42 f7 ff <0f> 0b 4c 89 e2 48 89 ee 48 c7 c7 e0 e3 b3 88 e8 d8 42 f7 ff 0f 0b
device_add_class_symlinks drivers/base/core.c:1934 [inline]
device_add+0x7d1/0x16d0 drivers/base/core.c:2136
RSP: 0018:ffff88809ab57970 EFLAGS: 00010086
RAX: 000000000000004e RBX: ffff88809ab57a78 RCX: 0000000000000000
RDX: 0000000000036ae6 RSI: ffffffff814dff01 RDI: ffffed101356af20
wiphy_register+0x1664/0x2130 net/wireless/core.c:832
RBP: ffff88809ab57a90 R08: 000000000000004e R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: dead000000000200
R13: dead000000000100 R14: ffff88809ab57a98 R15: 0000000000000007
FS: 00007efcab48b700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30a22000 CR3: 000000004bff8000 CR4: 00000000003406f0
ieee80211_register_hw+0x13be/0x3550 net/mac80211/main.c:1106
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__list_del_entry include/linux/list.h:117 [inline]
list_del include/linux/list.h:125 [inline]
__remove_wait_queue include/linux/wait.h:184 [inline]
remove_wait_queue+0x2c/0x180 kernel/sched/wait.c:44
mac80211_hwsim_new_radio+0x1d3f/0x3c60 drivers/net/wireless/mac80211_hwsim.c:2896
__tipc_sendstream+0x373/0x9d0 net/tipc/socket.c:1449
hwsim_new_radio_nl+0x5c3/0x850 drivers/net/wireless/mac80211_hwsim.c:3374
tipc_sendstream+0x4c/0x70 net/tipc/socket.c:1414
genl_family_rcv_msg+0x642/0xc40 net/netlink/genetlink.c:602
sock_sendmsg_nosec net/socket.c:651 [inline]
sock_sendmsg+0xc3/0x120 net/socket.c:661
sock_write_iter+0x287/0x3c0 net/socket.c:966
genl_rcv_msg+0xbf/0x160 net/netlink/genetlink.c:627
netlink_rcv_skb+0x160/0x440 net/netlink/af_netlink.c:2463
call_write_iter include/linux/fs.h:1821 [inline]
new_sync_write fs/read_write.c:474 [inline]
__vfs_write+0x51b/0x770 fs/read_write.c:487
genl_rcv+0x24/0x40 net/netlink/genetlink.c:638
vfs_write+0x1f3/0x540 fs/read_write.c:549
netlink_unicast_kernel net/netlink/af_netlink.c:1325 [inline]
netlink_unicast+0x4d5/0x690 net/netlink/af_netlink.c:1351
ksys_write+0x12b/0x2a0 fs/read_write.c:599
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7efcacf5b0d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007efcab48b168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007efcad07b120 RCX: 00007efcacf5b0d9
sock_sendmsg_nosec net/socket.c:651 [inline]
sock_sendmsg+0xc3/0x120 net/socket.c:661
RDX: 000000002000011a RSI: 0000000020000040 RDI: 0000000000000005
___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227
RBP: 00007efcacfb6ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff9e08646f R14: 00007efcab48b300 R15: 0000000000022000
Modules linked in:
---[ end trace 3ba5df785119da10 ]---
RIP: 0010:__list_del_entry_valid.cold+0x23/0x4a lib/list_debug.c:45
Code: e8 11 43 f7 ff 0f 0b 48 89 ee 48 c7 c7 40 e4 b3 88 e8 00 43 f7 ff 0f 0b 4c 89 ea 48 89 ee 48 c7 c7 80 e3 b3 88 e8 ec 42 f7 ff <0f> 0b 4c 89 e2 48 89 ee 48 c7 c7 e0 e3 b3 88 e8 d8 42 f7 ff 0f 0b
RSP: 0018:ffff88809ab57970 EFLAGS: 00010086
RAX: 000000000000004e RBX: ffff88809ab57a78 RCX: 0000000000000000
RDX: 0000000000036ae6 RSI: ffffffff814dff01 RDI: ffffed101356af20
RBP: ffff88809ab57a90 R08: 000000000000004e R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: dead000000000200
R13: dead000000000100 R14: ffff88809ab57a98 R15: 0000000000000007
FS: 00007efcab48b700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
__sys_sendmsg net/socket.c:2265 [inline]
__do_sys_sendmsg net/socket.c:2274 [inline]
__se_sys_sendmsg net/socket.c:2272 [inline]
__x64_sys_sendmsg+0x132/0x220 net/socket.c:2272
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30a22000 CR3: 000000004bff8000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
---
This report 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 issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
syzbot
Apr 10, 2023, 11:36:29 PM4/10/23
to syzkaller...@googlegroups.com
Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
Crashes did not happen for a while, no reproducer and no activity.
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