Nov 9 12:14:34 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:34 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:34 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 1Nov 9 12:14:34 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:34 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:34 syzkaller daemon.err dhcpcd[[ 483.406937][ T30] INFO: task udevd:6836 blocked for more than 143 seconds.
4883]: libudev: received NULL device
Nov 9 12:14:34 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:34 syzkaller daemon.err dhcpcd[4883]: libudNov 9 12:14:34 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:34 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14[ 483.443796][ T30] Not tainted 6.11.0-rc2-syzkaller-00042-gcf6d429eb656 #0
:34 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:34 syzkaller daemon.err dhcpcNov 9 12:14:34 Nov 9 12:14:34 Nov 9 12:14:34 Nov 9 12:14:34 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller [ 483.490817][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov [ 483.575145][ T30] task:udevd state:D stack:26096 pid:6836 tgid:6836 ppid:4669 flags:0x00000002
9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 Nov 9 12:14:35 syzkaller daemonNov 9 12:14:35 syzkaller daemon.err dhcpcd[4883Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: reNov 9 12:14:35 Nov 9 12:14:35 Nov 9 12:14:35 Nov 9 12:14:35 Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 1[ 483.655506][ T30] Call Trace:
2:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov [ 483.673484][ T30] <TASK>
9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[48[ 483.702599][ T30] context_switch kernel/sched/core.c:5188 [inline]
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[48[ 483.702599][ T30] __schedule+0xe37/0x5490 kernel/sched/core.c:6529
83]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:[ 483.718270][ T30] ? __pfx___lock_acquire+0x10/0x10 kernel/locking/lockdep.c:4339
14:35 syzkaller [ 483.723896][ T30] ? __pfx___schedule+0x10/0x10
daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err[ 483.751971][ T30] ? sched_submit_work kernel/sched/core.c:6587 [inline]
Nov 9 12:14:35 syzkaller daemon.err[ 483.751971][ T30] ? schedule+0x298/0x350 kernel/sched/core.c:6620
dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkalle[ 483.798169][ T30] ? __pfx_lock_release+0x10/0x10 kernel/locking/lockdep.c:5280
r daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: receiv[ 483.828103][ T30] ? __mutex_lock_common kernel/locking/mutex.c:683 [inline]
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: receiv[ 483.828103][ T30] ? __mutex_lock+0x5b3/0x9c0 kernel/locking/mutex.c:752
ed NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libud[ 483.867790][ T30] ? instrument_atomic_read include/linux/instrumented.h:68 [inline]
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libud[ 483.867790][ T30] ? atomic_long_read include/linux/atomic/atomic-instrumented.h:3188 [inline]
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libud[ 483.867790][ T30] ? __mutex_trylock_common+0x78/0x250 kernel/locking/mutex.c:107
ev: received NUL[ 483.873776][ T30] __schedule_loop kernel/sched/core.c:6606 [inline]
ev: received NUL[ 483.873776][ T30] schedule+0xe7/0x350 kernel/sched/core.c:6621
L device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller kern.err kernel: [ 483.406937][ T30] INFO: task udevd:6836 blocked for more than 143 seconds.
Nov 9 12:14:35 syzkaller kern.err kernel: [ 483.443796][ T30] Not tainted 6.11.0-rc2-syzkaller-00042-gcf6d429eb656 #0
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[488[ 483.940846][ T30] schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678
3]: libudev: received NULL devicNov 9 12:14:35 Nov 9 12:14:35 Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller kern.err kernel: [ 483.490817][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemo[ 483.981350][ T30] __mutex_lock_common kernel/locking/mutex.c:684 [inline]
Nov 9 12:14:35 syzkaller daemo[ 483.981350][ T30] __mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752
n.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12[ 484.004904][ T30] ? device_lock include/linux/device.h:1009 [inline]
Nov 9 12[ 484.004904][ T30] ? uevent_show+0x188/0x3b0 drivers/base/core.c:2743
:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35[ 484.046735][ T30] ? __pfx___mutex_lock+0x10/0x10
syzkaller daemo[ 484.051924][ T30] ? device_lock include/linux/device.h:1009 [inline]
syzkaller daemo[ 484.051924][ T30] ? uevent_show+0x188/0x3b0 drivers/base/core.c:2743
n.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller kern.info kernel: [ 483.575145Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883Nov 9 12:14:35 Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883Nov 9 12:14:35 Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller da[ 484.108685][ T30] device_lock include/linux/device.h:1009 [inline]
Nov 9 12:14:35 syzkaller da[ 484.108685][ T30] uevent_show+0x188/0x3b0 drivers/base/core.c:2743
Nov 9 12:14:35 Nov 9 12:14:35 Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL deviceNov 9 12:14:35 syzkaller daemon.err dhcpcd[4883Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemNov 9 12:14:35 syzkaller daemonNov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: rece[ 484.150334][ T30] ? __pfx_uevent_show+0x10/0x10 drivers/base/core.c:4978
ived NULL device[ 484.155450][ T30] dev_attr_show+0x53/0xe0 drivers/base/core.c:2437
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: reNov 9 12:14:35 Nov 9 12:14:35 syzkaller daemonNov 9 12:14:35 Nov 9 12:14:35 Nov 9 12:14:35 Nov 9 12:14:35 Nov 9 12:14:35 Nov 9 12:14:35 Nov 9 12:14:35 Nov 9 12:14:35 syzkaller kern.info kernel: [ 483.751971][ T30] ? sched_submit_work kernel/sched/core.c:6587 [inline]
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: reNov 9 12:14:35 Nov 9 12:14:35 syzkaller daemonNov 9 12:14:35 Nov 9 12:14:35 Nov 9 12:14:35 Nov 9 12:14:35 Nov 9 12:14:35 Nov 9 12:14:35 Nov 9 12:14:35 Nov 9 12:14:35 syzkaller kern.info kernel: [ 483.751971][ T30] ? schedule+0x298/0x350 kernel/sched/core.c:6620
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883[ 484.206797][ T30] ? __pfx_dev_attr_show+0x10/0x10 drivers/base/core.c:5181
]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[[ 484.226150][ T30] sysfs_kf_seq_show+0x23e/0x410 fs/sysfs/file.c:59
4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkalle[ 484.243607][ T30] seq_read_iter+0x4fa/0x12c0 fs/seq_file.c:230
r daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
No[ 484.268381][ T30] kernfs_fop_read_iter+0x41a/0x590 fs/kernfs/file.c:279
v 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemonNov 9 12:14:35 Nov 9 12:14:35 Nov 9 12:14:35 Nov 9 12:14:35 Nov 9 12:14:35 [ 484.289039][ T30] ? rw_verify_area+0xd0/0x6c0 fs/read_write.c:378
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err d[ 484.334149][ T30] new_sync_read fs/read_write.c:395 [inline]
Nov 9 12:14:35 syzkaller daemon.err d[ 484.334149][ T30] vfs_read+0x869/0xbd0 fs/read_write.c:476
hcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 [ 484.357782][ T30] ? __pfx_vfs_read+0x10/0x10 fs/read_write.c:453
syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[[ 484.379282][ T30] ? __pfx___do_sys_newfstatat+0x10/0x10 fs/stat.c:859
4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller kern.info kernel: [ 483.867790][ T30] ? instrument_atomic_read include/linux/instrumented.h:68 [inline]
Nov 9 12:14:35 syzkaller kern.info kernel: [ 483.867790][ T30] ? atomic_long_read include/linux/atomic/atomic-instrumented.h:3188 [inline]
Nov 9 12:14:35 syzkaller kern.info kernel: [ 483.867790][ T30] ? __mutex_trylock_common+0x78/0x250 kernel/locking/mutex.c:107
Nov 9 12:14:35 sNov 9 12:14:35 Nov 9 12:14:35 Nov 9 12:14:35 Nov 9 12:14:35 Nov 9 12:14:35 Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: re[ 484.417867][ T30] ? __pfx_do_sys_openat2+0x10/0x10 fs/open.c:1307
ceived NULL devi[ 484.423577][ T30] ? __fget_light+0x173/0x210 fs/file.c:1149
ce
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkalleNov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov [ 484.489285][ T30] ksys_read+0x12f/0x260 fs/read_write.c:619
9 12:14:35 syzkaller kern.info Nov 9 12:14:35 Nov 9 12:14:35 Nov 9 12:14:35 Nov 9 12:14:35 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:35 syzkaller kern.info kernel: [ 484.046735][ T30] ? __pfx___Nov 9 12:14:35 [ 484.516314][ T30] ? __pfx_ksys_read+0x10/0x10 include/linux/fsnotify.h:131
syzkaller kern.i[ 484.521141][ T30] do_syscall_x64 arch/x86/entry/common.c:52 [inline]
syzkaller kern.i[ 484.521141][ T30] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
nfo kernel: [ 484.051924][ T30] ? uevent_shoNov 9 12:14:35 Nov 9 12:14:36 Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: receNov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[Nov 9 12:14:36 Nov 9 12:14:36 Nov 9 12:14:36 Nov 9 12:14:36 Nov 9 12:14:36 [ 484.555312][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f
Nov 9 12:14:36 Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: [ 484.596460][ T30] RSP: 002b:00007ffd663a1418 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller kern.info kernel: [ 484.150334][ T30] ? __pfx_uevent_show+0x10/0x10 drivers/base/core.c:4978
Nov 9 12:14:36 syzkaller kern.info kernel: [ 484.155450][ T30] dev_attr_show+0x53/0xe0 drivers/base/core.c:2437
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received[ 484.650757][ T30] RAX: ffffffffffffffda RBX: 000055ef4d23cb30 RCX: 00007fe6d6716b6a
NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL [ 484.696771][ T30] RDX: 0000000000001000 RSI: 000055ef4d247110 RDI: 0000000000000008
device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]:Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: rece[ 484.736371][ T30] RBP: 000055ef4d23cb30 R08: 0000000000000008 R09: 0000000000000008
Nov 9 12:14:36 [ 484.737726][ T29] kauditd_printk_skb: 2023 callbacks suppressed
syzkaller daemon[ 484.737740][ T29] audit: type=1400 audit(1857384876.660:3294): avc: denied { read } for pid=4651 comm="syslogd" name="log" dev="sda1" ino=1915 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=0
.err dhcpcd[4883[ 484.744667][ T30] R10: 000000000000010f R11: 0000000000000246 R12: 0000000000000000
]: libudev: rece[ 484.744706][ T30] </TASK>
ived NULL device[ 484.778092][ T30]
Nov 9 12:14:36 syzkaller kern.info kernel: [ 484.206797][ T30] ? __pfx_dev_attr_show+0x10/0x10 drivers/base/core.c:5181
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller kern.info kernel: [ 484.226150][ T30] sysfs_kf_seq_show+0x23e/0x410 fs/sysfs/file.c:59
Nov 9 12:14:36 syzkNov 9 12:14:36 syzkaller kern.info kernel: [ 484.243607][ T30] seq_read_iteNov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller kern.info kernel: [ Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14Nov 9 12:14:36 Nov 9 12:14:36 Nov 9 12:14:36 Nov 9 12:14:36 Nov 9 12:14:36 Nov 9 12:14:36 Nov 9 12:14:36 Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NUL[ 484.919033][ T4883] audit: audit_backlog=65 > audit_backlog_limit=64
L device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.e[ 484.943570][ T4651] audit: audit_backlog=65 > audit_backlog_limit=64
rr dhcpcd[4883]: libudev: receiv[ 484.952874][ T30] 3 locks held by kworker/0:0/8:
ed NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller kern[ 484.976185][ T4651] audit: audit_lost=15 audit_rate_limit=0 audit_backlog_limit=64
Nov 9 12:14:36 [ 484.985167][ T4651] audit: backlog limit exceeded
Nov 9 12:14:36 [ 484.991504][ T4883] audit: backlog limit exceeded
Nov 9 12:14:36 [ 484.996416][ T30] #0: ffff888015880948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3206
syzkaller daemon[ 484.998067][ T29] audit: type=1400 audit(1857384876.730:3295): avc: denied { read } for pid=4651 comm="syslogd" name="log" dev="sda1" ino=1915 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=0
.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[48[ 485.041195][ T4651] audit: audit_backlog=65 > audit_backlog_limit=64
83]: libudev: received NULL device
Nov 9 12:14[ 485.052084][ T4651] audit: audit_lost=16 audit_rate_limit=0 audit_backlog_limit=64
:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller [ 485.067442][ T30] #1: ffffc900000d7d80 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3207
daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 sy[ 485.104911][ T30] #2: ffffffff8fa21428 (rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0xe/0x20 net/switchdev/switchdev.c:104
zkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhc[ 485.153682][ T30] 1 lock held by khungtaskd/30:
pcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller kern.info kernel: [ 484.489285][ T30] ksys_read+0x12f/0x260 fs/read_write.c:619
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller kern.info kernel: [ 484.516314][ T30] ? __pfx_ksys_read+0x10/0x10 include/linux/fsnotify.h:131
Nov 9 12:14:36 syzkalle[ 485.176147][ T30] #0: ffffffff8ddb5ca0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:326 [inline]
Nov 9 12:14:36 syzkalle[ 485.176147][ T30] #0: ffffffff8ddb5ca0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline]
Nov 9 12:14:36 syzkalle[ 485.176147][ T30] #0: ffffffff8ddb5ca0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6620
r kern.info kernel: [ 484.521141][ T30] do_syscall_x64 arch/x86/entry/common.c:52 [inline]
r kern.info kernel: [ 484.521141][ T30] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov [ 485.226267][ T30] 3 locks held by kworker/0:2/52:
9 12:14:36 syzkaller kern.info kernel: [ 484.555312][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f
Nov 9 12:14:36 syzkaller kern.info ke[ 485.242432][ T30] #0: ffff888015880948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3206
rnel: [ 484.571306][ T30] RIP: 0033:0x7fe6d6716b6a
Nov 9 12:14:36 syzkaller kern.info kernel: [ 484.596460][ T30] RSP: 002b:00007ffd663a1418 EFLAGS: 00000246 ORIG_RAX: Nov 9 12:14:36 Nov 9 12:14:36 Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daem[ 485.280397][ T30] #1: ffffc90000bd7d80 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3207
on.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzk[ 485.325437][ T30] #2: ffffffff8fa21428 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0x51/0xc0 net/core/link_watch.c:276
Nov 9 12:14:36 Nov 9 12:14:36 Nov 9 12:14:36 Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller Nov 9 12:14:36 Nov 9 12:14:36 Nov 9 12:14:36 Nov 9 12:14:36 Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:3[ 485.376474][ T30] 5 locks held by kworker/u8:8/2907:
6 syzkaller daem[ 485.382897][ T30] #0: ffff8880166e3148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x1277/0x1b40 kernel/workqueue.c:3206
on.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller kern.info kernel: [ 484.696771][ T30] RDX: 0000000000001000 RSI: 000055ef4d247110 RDI: 0000000000000008
Nov 9 12:14:36 syzkaller kern.info kernel: [ 484.7Nov 9 12:14:36 Nov 9 12:14:36 Nov 9 12:14:36 Nov 9 12:14:36 syzkaller kern.warn kernel: [ 484.778092][ T30] Showing all locks held in the system:
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: l[ 485.444609][ T30] #1: ffffc90009d37d80 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x921/0x1b40 kernel/workqueue.c:3207
Nov 9 12:14:36 Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err d[ 485.496648][ T30] #2: ffffffff8fa0bcd0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbb/0xbf0 net/core/net_namespace.c:594
hcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 Nov 9 12:14:36 Nov 9 12:14:36 syzkaller kern.wNov 9 12:14:36 Nov 9 12:14:36 Nov 9 12:14:36 syzkaller daemonNov 9 12:14:36 Nov 9 12:14:36 syzkaller kern.e[ 485.540316][ T30] #3: ffffffff8fa21428 (rtnl_mutex){+.+.}-{3:3}, at: default_device_exit_batch+0x8c/0xae0 net/core/dev.c:11875
rr kernel: [ 484.991504][ T4883] audit: backlog limit exceeded
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:36 syzkaller kern.warn kernel: [ 484.996416][ T30] #0: ffff888015880948 ((wq_completion)events){+.+.}-{0:0}, at: process_one[ 485.574577][ T30] #4: ffffffff8ddc1438 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock+0x282/0x3b0 kernel/rcu/tree_exp.h:296
_work+0x1277/0x1b40
Nov 9 12:14:36 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL dNov 9 12:14:36 syzkaller kern.nNov 9 12:14:36 syzkaller daemonNov 9 12:14:36 syzkaller kern.warn kernel: [ 485.041195][ T4651] audit: audit_backlog=65 > audit_backlog_limit=64
Nov 9 12:14:36 syzkaller d[ 485.611360][ T30] 3 locks held by kworker/u8:9/2922:
aemon.err dhcpcd[4883]: libudev: received NULL dNov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: receNov 9 12:14:37 syzkaller daemon.err dhcpcd[4883[ 485.635587][ T30] #0: ffff8880b923edd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested kernel/sched/core.c:568 [inline]
aemon.err dhcpcd[4883]: libudev: received NULL dNov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: receNov 9 12:14:37 syzkaller daemon.err dhcpcd[4883[ 485.635587][ T30] #0: ffff8880b923edd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x7e/0x130 kernel/sched/core.c:553
]: libudev: received NULL device
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller kern.warn kernel: Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL deviceNov 9 12:14:37 Nov 9 12:14:37 syzkaller daemonNov 9 12:14:37 syzkaller daemonNov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller daem[ 485.686361][ T30] #1: ffff8880b9328a48 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2d9/0x900 kernel/sched/psi.c:989
on.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller Nov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 [ 485.719671][ T30] #2: ffff8880192b0768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: wiphy_lock include/net/cfg80211.h:6014 [inline]
Nov 9 12:14:37 syzkaller Nov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 [ 485.719671][ T30] #2: ffff8880192b0768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: cfg80211_wiphy_work+0xa4/0x760 net/wireless/core.c:426
Nov 9 12:14:37 Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL Nov 9 12:14:37 syzkaller daemonNov 9 12:14:37 syzkaller daemon[ 485.763531][ T30] 5 locks held by syslogd/4651:
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller daemNov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 syzkaller daemon[ 485.788213][ T30] 2 locks held by getty/4974:
.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller [ 485.813753][ T30] #0: ffff88802b9350a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: receiv[ 485.855487][ T30] #1: ffffc900031232f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc8/0x1490 drivers/tty/n_tty.c:2211
ed NULL device
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller daNov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:3[ 485.895830][ T30] 5 locks held by kworker/0:6/5303:
7 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller [ 485.916318][ T30] 1 lock held by syz-executor/5878:
daemon.err dhcpcd[4883]: libudev: received NULL Nov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: re[ 485.939405][ T30] #0: ffffffff8fa21428 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:698 [inline]
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: re[ 485.939405][ T30] #0: ffffffff8fa21428 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3e/0x250 drivers/net/tun.c:3510
ceived NULL deviNov 9 12:14:37 syzkaller daemonNov 9 12:14:37 syzkaller daemon.err dhcpcd[4883Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[48Nov 9 12:14:37 Nov 9 12:14:37 syzkaller daemonNov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:3[ 485.985342][ T30] 1 lock held by syz-executor/5882:
7 syzkaller kern.warn kernel: [ 485.496648][ T30] #2: ffffffff8fa0bcd0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xbb/0xbf0 net/core/net_namespace.c:594
Nov 9 12:14:37 syzkaller daemon.err dhcp[ 486.006412][ T30] #0: ffffffff8fa21428 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:698 [inline]
Nov 9 12:14:37 syzkaller daemon.err dhcp[ 486.006412][ T30] #0: ffffffff8fa21428 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3e/0x250 drivers/net/tun.c:3510
cd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzNov 9 12:14:37 [ 486.036349][ T30] 4 locks held by udevd/6836:
Nov 9 12:14:37 [ 486.041156][ T30] #0: ffff888025567790 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0xde/0x12c0 fs/seq_file.c:182
Nov 9 12:14:37 Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudevNov 9 12:14:37 syzkaller daemonNov 9 12:14:37 syzkaller daemonNov 9 12:14:37 Nov 9 12:14:37 syzkaller daemonNov 9 12:14:37 syzkaller daemon.err dhcpcd[4883[ 486.092716][ T30] #1: ffff88802dd8c488 (&of->mutex#2){+.+.}-{3:3}, at: kernfs_seq_start+0x4d/0x240 fs/kernfs/file.c:154
]: libudev: received NULL device
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL deNov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:3[ 486.127210][ T30] #2: ffff88805beb90f8 (kn->active#5){++++}-{0:0}, at: kernfs_seq_start+0x71/0x240 fs/kernfs/file.c:155
7 syzkaller kern.warn kernel: [ 485.574577][ Nov 9 12:14:37 Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL deviceNov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device[ 486.164975][ T30] #3: ffff88807cecf190 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:1009 [inline]
7 syzkaller kern.warn kernel: [ 485.574577][ Nov 9 12:14:37 Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL deviceNov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device[ 486.164975][ T30] #3: ffff88807cecf190 (&dev->mutex){....}-{3:3}, at: uevent_show+0x188/0x3b0 drivers/base/core.c:2743
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: reNov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev[ 486.206309][ T30]
: received NULL [ 486.209602][ T30] =============================================
device
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: libudev: received NULL device
Nov 9 12:14:37 syzkaller daemon.err dhcpcd[4883]: lNov 9 12:14:37 Nov 9 12:14:37 [ 486.247033][ T30] NMI backtrace for cpu 0
syzkaller daemonNov 9 12:14:37 Nov 9 12:14:37 syzkaller daemonNov 9 12:14:37 syzkaller kern.wNov 9 12:14:37 Nov 9 12:14:37 [ 486.252049][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.11.0-rc2-syzkaller-00042-gcf6d429eb656 #0