syzbot


WARNING: ODEBUG bug in __queue_work

Status: public: reported C repro on 2019/04/14 08:51
Reported-by: syzbot+2770b6d25feaa802ab23@syzkaller.appspotmail.com
First crash: 2087d, last: 2087d
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING: ODEBUG bug in __queue_work netfilter C 2 2271d 2267d 4/26 fixed on 2018/02/26 20:04
upstream WARNING: ODEBUG bug in __queue_work (2) v9fs 1 2118d 2118d 0/26 auto-closed as invalid on 2019/02/22 10:34

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 7089 at lib/debugobjects.c:263 debug_print_object+0x181/0x210 lib/debugobjects.c:260
ODEBUG: activate active (active state 0) object type: work_struct hint: xfrm_hash_resize+0x0/0x1550 include/net/xfrm.h:699
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 7089 Comm: syz-executor205 Not tainted 4.9.122-g54068d6 #78
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
 ffff8801c02af120 ffffffff81eb8829 ffffffff83c48ac0 00000000ffffffff
 0000000000000000 0000000000000000 0000000000000107 ffff8801c02af1e0
 ffffffff81423f35 0000000041b58ab3 ffffffff843bb838 ffffffff81423d76
Call Trace:
 [<ffffffff81eb8829>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81eb8829>] dump_stack+0xc1/0x128 lib/dump_stack.c:51
 [<ffffffff81423f35>] panic+0x1bf/0x3bc kernel/panic.c:179
 [<ffffffff81424221>] __warn.cold.9+0xc1/0x17f kernel/panic.c:542
 [<ffffffff81138212>] warn_slowpath_fmt+0xc2/0x100 kernel/panic.c:565
 [<ffffffff81f20d41>] debug_print_object+0x181/0x210 lib/debugobjects.c:260
 [<ffffffff81f2304d>] debug_object_activate+0x37d/0x4e0 lib/debugobjects.c:419
 [<ffffffff8118a3a8>] debug_work_activate kernel/workqueue.c:491 [inline]
 [<ffffffff8118a3a8>] __queue_work+0x48/0xf10 kernel/workqueue.c:1380
 [<ffffffff8118beb7>] queue_work_on+0x97/0xa0 kernel/workqueue.c:1486
 [<ffffffff834fdd98>] queue_work include/linux/workqueue.h:477 [inline]
 [<ffffffff834fdd98>] schedule_work include/linux/workqueue.h:535 [inline]
 [<ffffffff834fdd98>] xfrm_policy_insert+0xa78/0xf20 net/xfrm/xfrm_policy.c:830
 [<ffffffff8352eed8>] xfrm_add_policy+0x248/0x4f0 net/xfrm/xfrm_user.c:1565
 [<ffffffff8352b647>] xfrm_user_rcv_msg+0x3c7/0x6b0 net/xfrm/xfrm_user.c:2531
 [<ffffffff831d8615>] netlink_rcv_skb+0x145/0x370 net/netlink/af_netlink.c:2365
 [<ffffffff835281ef>] xfrm_netlink_rcv+0x6f/0x90 net/xfrm/xfrm_user.c:2539
 [<ffffffff831d71c8>] netlink_unicast_kernel net/netlink/af_netlink.c:1285 [inline]
 [<ffffffff831d71c8>] netlink_unicast+0x4d8/0x6f0 net/netlink/af_netlink.c:1311
 [<ffffffff831d7b75>] netlink_sendmsg+0x795/0xc30 net/netlink/af_netlink.c:1859
 [<ffffffff8301cfcc>] sock_sendmsg_nosec net/socket.c:636 [inline]
 [<ffffffff8301cfcc>] sock_sendmsg+0xcc/0x110 net/socket.c:646
 [<ffffffff8301ea6c>] ___sys_sendmsg+0x6fc/0x840 net/socket.c:1970
 [<ffffffff83020ad9>] __sys_sendmsg+0xd9/0x190 net/socket.c:2004
 [<ffffffff83020bbd>] SYSC_sendmsg net/socket.c:2015 [inline]
 [<ffffffff83020bbd>] SyS_sendmsg+0x2d/0x50 net/socket.c:2011
 [<ffffffff81006316>] do_syscall_64+0x1a6/0x490 arch/x86/entry/common.c:282
 [<ffffffff83a00cd3>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/08/20 20:14 https://android.googlesource.com/kernel/common android-4.9 54068d61e7d8 95b5c82b .config console log report syz C ci-android-49-kasan-gce
* Struck through repros no longer work on HEAD.