syzbot |
sign-in | mailing list | source | docs |
| 🐞 Open [712] 🐞 Fixed [297] 🐞 Invalid [838] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes | 💬 Send us feedback |
ieee802154 phy1 wpan1: encryption failed: -22
ieee802154 phy0 wpan0: encryption failed: -22
ieee802154 phy1 wpan1: encryption failed: -22
ieee802154 phy0 wpan0: encryption failed: -22
ieee802154 phy1 wpan1: encryption failed: -22
INFO: task kworker/1:5:16032 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/1:5 D27568 16032 2 0x80000000
Workqueue: ipv6_addrconf addrconf_verify_work
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
addrconf_verify_work+0xa/0x20 net/ipv6/addrconf.c:4476
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
INFO: task kworker/1:3:31713 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/1:3 D28440 31713 2 0x80000000
Workqueue: events switchdev_deferred_process_work
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619
__mutex_lock_common kernel/locking/mutex.c:1016 [inline]
__mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078
switchdev_deferred_process_work+0xa/0x20 net/switchdev/switchdev.c:150
process_one_work+0x864/0x1570 kernel/workqueue.c:2153
worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Showing all locks held in the system:
3 locks held by kworker/1:0/19:
2 locks held by kworker/u4:3/56:
1 lock held by khungtaskd/1570:
#0: 00000000b629f074 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441
1 lock held by systemd-journal/4687:
1 lock held by systemd-udevd/4701:
1 lock held by in:imklog/7775:
2 locks held by agetty/7830:
#0: 000000000e59035b (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272
#1: 000000009354af7e (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x217/0x1950 drivers/tty/n_tty.c:2154
3 locks held by syz-fuzzer/8116:
3 locks held by kworker/1:5/16032:
#0: 000000003c28d7bb ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 000000008352262e ((addr_chk_work).work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
#2: 00000000766e19f1 (rtnl_mutex){+.+.}, at: addrconf_verify_work+0xa/0x20 net/ipv6/addrconf.c:4476
2 locks held by syz-executor.2/17880:
1 lock held by syz-executor.1/21785:
1 lock held by syz-executor.0/28786:
#0: 000000008cd81b3f (uevent_sock_mutex){+.+.}, at: kobject_uevent_env+0x85d/0x1480 lib/kobject_uevent.c:584
3 locks held by kworker/1:3/31713:
#0: 0000000031ce0b7a ((wq_completion)"events"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
#1: 000000007665c54e (deferred_process_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
#2: 00000000766e19f1 (rtnl_mutex){+.+.}, at: switchdev_deferred_process_work+0xa/0x20 net/switchdev/switchdev.c:150
2 locks held by syz-executor.3/31973:
1 lock held by syz-executor.4/31988:
4 locks held by syz-executor.5/31994:
1 lock held by systemd-udevd/32003:
2 locks held by systemd-tmpfile/32004:
2 locks held by cron/32008:
1 lock held by systemd-udevd/32009:
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101
nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline]
watchdog+0x991/0xe60 kernel/hung_task.c:287
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 21785 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
RIP: 0010:__pvclock_read_cycles arch/x86/include/asm/pvclock.h:85 [inline]
RIP: 0010:pvclock_clocksource_read+0x170/0x520 arch/x86/kernel/pvclock.c:87
Code: 0f b6 0c 29 0f b6 34 2e 40 38 f9 40 0f 9e c7 84 c9 0f 95 c1 40 84 cf 0f 85 5d 02 00 00 4c 89 d9 83 e1 07 40 38 ce 40 0f 9e c7 <40> 84 f6 0f 95 c1 40 84 cf 0f 85 41 02 00 00 89 d1 48 89 c6 f7 d9
RSP: 0018:ffff8880ba1075a8 EFLAGS: 00000093
RAX: 000001f58eee5a36 RBX: ffffffff8c665040 RCX: 0000000000000003
RDX: 00000000ffffffff RSI: 0000000000000000 RDI: 0000000000000001
RBP: dffffc0000000000 R08: ffffffff8c665058 R09: ffffffff8c66504f
R10: ffffffff8c665057 R11: ffffffff8c66505b R12: ffffffff8c665043
R13: fffffbfff18cca09 R14: ffffffff8c66505d R15: ffffffff8c665050
FS: 00007f8eaa025700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000ad7d10 CR3: 00000000a4743000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<IRQ>
kvm_clock_read arch/x86/kernel/kvmclock.c:94 [inline]
kvm_clock_get_cycles+0x14/0x30 arch/x86/kernel/kvmclock.c:101
tk_clock_read kernel/time/timekeeping.c:172 [inline]
timekeeping_get_delta kernel/time/timekeeping.c:266 [inline]
timekeeping_get_ns kernel/time/timekeeping.c:373 [inline]
ktime_get_update_offsets_now+0x183/0x460 kernel/time/timekeeping.c:2228
hrtimer_update_base kernel/time/hrtimer.c:621 [inline]
hrtimer_interrupt+0x449/0x9e0 kernel/time/hrtimer.c:1617
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1071 [inline]
smp_apic_timer_interrupt+0x10c/0x550 arch/x86/kernel/apic/apic.c:1096
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
RIP: 0010:orc_ip arch/x86/kernel/unwind_orc.c:26 [inline]
RIP: 0010:__orc_find+0x6f/0xf0 arch/x86/kernel/unwind_orc.c:48
Code: 72 4d 4c 89 e0 48 29 e8 48 89 c2 48 c1 e8 3f 48 c1 fa 02 48 01 d0 48 d1 f8 48 8d 5c 85 00 48 89 d8 48 c1 e8 03 42 0f b6 14 38 <48> 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 48 48 63 03 48 01
RSP: 0018:ffff8880ba107848 EFLAGS: 00000a03 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff1673264 RBX: ffffffff8b399324 RCX: ffffffff81a3239d
RDX: 0000000000000000 RSI: ffffffff8b9ab928 RDI: ffffffff8b399324
RBP: ffffffff8b399324 R08: 0000000000000000 R09: ffffffff8b9ab928
R10: ffff8880ba107a1f R11: 0000000000074071 R12: ffffffff8b399324
R13: ffffffff8b399324 R14: ffffffff8b399324 R15: dffffc0000000000
orc_find arch/x86/kernel/unwind_orc.c:159 [inline]
unwind_next_frame+0x339/0x1400 arch/x86/kernel/unwind_orc.c:422
__save_stack_trace+0x9f/0x190 arch/x86/kernel/stacktrace.c:44
save_stack mm/kasan/kasan.c:448 [inline]
set_track mm/kasan/kasan.c:460 [inline]
kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:553
slab_post_alloc_hook mm/slab.h:445 [inline]
slab_alloc_node mm/slab.c:3340 [inline]
kmem_cache_alloc_node+0x133/0x3b0 mm/slab.c:3647
__alloc_skb+0x71/0x560 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:995 [inline]
bcm_can_tx+0x259/0x800 net/can/bcm.c:287
bcm_tx_timeout_tsklet+0x1f0/0x3a0 net/can/bcm.c:414
tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522
__do_softirq+0x265/0x980 kernel/softirq.c:292
invoke_softirq kernel/softirq.c:372 [inline]
irq_exit+0x215/0x260 kernel/softirq.c:412
exiting_irq arch/x86/include/asm/apic.h:536 [inline]
smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
</IRQ>
RIP: 0010:pte_none arch/x86/include/asm/pgtable.h:709 [inline]
RIP: 0010:vunmap_pte_range mm/vmalloc.c:68 [inline]
RIP: 0010:vunmap_pmd_range mm/vmalloc.c:84 [inline]
RIP: 0010:vunmap_pud_range mm/vmalloc.c:100 [inline]
RIP: 0010:vunmap_p4d_range mm/vmalloc.c:116 [inline]
RIP: 0010:vunmap_page_range+0x643/0x770 mm/vmalloc.c:131
Code: c6 08 4c 89 ff e8 ed d5 d1 ff 49 39 ef 0f 84 69 fe ff ff e8 cf d4 d1 ff be 08 00 00 00 4c 89 f7 31 db e8 40 9e 07 00 49 87 1e <49> 89 dd 31 ff 49 83 e5 9f 4c 89 ee e8 3c d6 d1 ff 4d 85 ed 74 af
RSP: 0018:ffff88805c6178f0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: ffffed1013a9dc02 RBX: 800000009d1dc163 RCX: ffffffff8190b0b0
RDX: ffffed1013a9dc02 RSI: 0000000000000008 RDI: ffff88809d4ee008
RBP: ffffc90007cc6000 R08: 0000000000000001 R09: ffffed1013a9dc01
R10: ffff88809d4ee00f R11: 0000000000000000 R12: ffff88823b8311f0
R13: 800000009d117103 R14: ffff88809d4ee008 R15: ffffc90007c01000
unmap_vmap_area mm/vmalloc.c:608 [inline]
free_unmap_vmap_area mm/vmalloc.c:743 [inline]
remove_vm_area+0x25b/0x2f0 mm/vmalloc.c:1495
__vunmap+0x187/0x3f0 mm/vmalloc.c:1523
vfree+0x65/0x100 mm/vmalloc.c:1598
kcov_put kernel/kcov.c:237 [inline]
kcov_put+0x1f/0x30 kernel/kcov.c:234
kcov_close+0xc/0x10 kernel/kcov.c:323
__fput+0x2ce/0x890 fs/file_table.c:278
task_work_run+0x148/0x1c0 kernel/task_work.c:113
exit_task_work include/linux/task_work.h:22 [inline]
do_exit+0xbf3/0x2be0 kernel/exit.c:870
do_group_exit+0x125/0x310 kernel/exit.c:967
get_signal+0x3f2/0x1f70 kernel/signal.c:2589
do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799
exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163
prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
syscall_return_slowpath arch/x86/entry/common.c:271 [inline]
do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f8eab6d4e31
Code: Bad RIP value.
RSP: 002b:00007f8eaa0250b0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: fffffffffffffdfc RBX: 00007f8eab7c2f60 RCX: 00007f8eab6d4e31
RDX: 00007f8eaa0250f0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f8eab70a0ed R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007ffca382679f R14: 00007f8eaa025300 R15: 0000000000022000
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022/07/13 09:17 | linux-4.19.y | 3f8a27f9e27b | 5d921b08 | .config | console log | report | info | ci2-linux-4-19 | INFO: task hung in addrconf_verify_work | |||
| 2022/06/27 17:59 | linux-4.19.y | 3f8a27f9e27b | a371c43c | .config | console log | report | info | ci2-linux-4-19 | INFO: task hung in addrconf_verify_work | |||
| 2022/06/03 23:38 | linux-4.19.y | 3f8a27f9e27b | c8857892 | .config | console log | report | info | ci2-linux-4-19 | INFO: task hung in addrconf_verify_work |