INFO: task systemd-udevd:22580 blocked for more than 143 seconds.
Not tainted 5.14.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:systemd-udevd state:D stack:25784 pid:22580 ppid: 4849 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:4940 [inline]
__schedule+0xbfd/0x11d0 kernel/sched/core.c:6287
schedule+0x14b/0x210 kernel/sched/core.c:6366
io_schedule+0x83/0x100 kernel/sched/core.c:8389
wait_on_page_bit_common+0x9ca/0x1030 mm/filemap.c:1359
wait_on_page_bit mm/filemap.c:1420 [inline]
wait_on_page_locked include/linux/pagemap.h:689 [inline]
wait_on_page_read+0x19d/0x430 mm/filemap.c:3425
do_read_cache_page+0xb1b/0xe10 mm/filemap.c:3468
read_mapping_page include/linux/pagemap.h:515 [inline]
read_part_sector+0xd8/0x4e0 block/partitions/core.c:725
adfspart_check_ICS+0x9e/0xa40 block/partitions/acorn.c:360
check_partition block/partitions/core.c:147 [inline]
blk_add_partitions block/partitions/core.c:610 [inline]
bdev_disk_changed+0x78a/0x16b0 block/partitions/core.c:696
blkdev_get_whole+0x34f/0x3e0 fs/block_dev.c:1092
blkdev_get_by_dev+0x28d/0xb90 fs/block_dev.c:1234
blkdev_open+0x132/0x2c0 fs/block_dev.c:1329
do_dentry_open+0x7cb/0x1020 fs/open.c:822
do_open fs/namei.c:3426 [inline]
path_openat+0x2876/0x3630 fs/namei.c:3559
do_filp_open+0x253/0x4d0 fs/namei.c:3586
do_sys_openat2+0x124/0x4f0 fs/open.c:1200
do_sys_open fs/open.c:1216 [inline]
__do_sys_open fs/open.c:1224 [inline]
__se_sys_open fs/open.c:1220 [inline]
__x64_sys_open+0x221/0x270 fs/open.c:1220
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f24c95a0840
RSP: 002b:00007ffce870b8a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 000055af88923800 RCX: 00007f24c95a0840
RDX: 000055af88285fe3 RSI: 00000000000a0800 RDI: 000055af88922cf0
RBP: 00007ffce870ba20 R08: 000055af88285670 R09: 0000000000000010
R10: 000055af88285d0c R11: 0000000000000246 R12: 00007ffce870b970
R13: 000055af88922e60 R14: 0000000000000003 R15: 000000000000000e
INFO: task syz-executor.2:22589 blocked for more than 143 seconds.
Not tainted 5.14.0-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:27832 pid:22589 ppid: 1739 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4940 [inline]
__schedule+0xbfd/0x11d0 kernel/sched/core.c:6287
schedule+0x14b/0x210 kernel/sched/core.c:6366
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6425
__mutex_lock_common+0xcff/0x2630 kernel/locking/mutex.c:669
__mutex_lock kernel/locking/mutex.c:729 [inline]
mutex_lock_nested+0x1a/0x20 kernel/locking/mutex.c:743
blkdev_put+0xfa/0x7b0 fs/block_dev.c:1351
blkdev_close+0x7a/0xa0 fs/block_dev.c:1403
__fput+0x3fe/0x870 fs/file_table.c:280
task_work_run+0x146/0x1c0 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
exit_to_user_mode_prepare+0x201/0x220 kernel/entry/common.c:209
__syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
syscall_exit_to_user_mode+0x26/0x60 kernel/entry/common.c:302
do_syscall_64+0x4c/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x41940b
RSP: 002b:00007ffd4b18b5f0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 000000000041940b
RDX: 0000000000570380 RSI: ffffffff81a7e2c2 RDI: 0000000000000003
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000001b30621a6c
R10: 000000000000038e R11: 0000000000000293 R12: 0000000000102770
R13: 00000000000003e8 R14: 000000000056bf80 R15: 0000000000102707
INFO: lockdep is turned off.
NMI backtrace for cpu 0
CPU: 0 PID: 1646 Comm: khungtaskd Not tainted 5.14.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1d3/0x29f lib/dump_stack.c:105
nmi_cpu_backtrace+0x16c/0x190 lib/nmi_backtrace.c:105
nmi_trigger_cpumask_backtrace+0x191/0x2f0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
watchdog+0xce4/0xd30 kernel/hung_task.c:295
kthread+0x453/0x480 kernel/kthread.c:319
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4843 Comm: systemd-journal Not tainted 5.14.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x48/0x2f0 mm/kasan/generic.c:189
Code: 00 00 48 89 fb 48 c1 eb 2f 81 fb fe ff 01 00 0f 86 7a 02 00 00 49 89 fc 49 c1 ec 03 49 b8 00 00 00 00 00 fc ff df 4f 8d 0c 04 <4c> 8d 54 37 ff 49 c1 ea 03 49 bd 01 00 00 00 00 fc ff df 4d 01 ea
RSP: 0018:ffffc90000dc0630 EFLAGS: 00000802
RAX: 1ffff920001b8001 RBX: 000000000001ffff RCX: ffffffff8138a841
RDX: 0000000000000001 RSI: 0000000000000010 RDI: ffffc90000dc0790
RBP: ffffc90000dc0790 R08: dffffc0000000000 R09: fffff520001b80f2
R10: fffff520001b80f4 R11: 0000000000000000 R12: 1ffff920001b80f2
R13: ffffc90000dc0740 R14: 0000000000000000 R15: ffffffff8e54c474
FS: 00007fa9785878c0(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa9754b3000 CR3: 000000002d4da000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
memset+0x1f/0x40 mm/kasan/shadow.c:44
unwind_next_frame+0xa91/0x1fa0 arch/x86/kernel/unwind_orc.c:542
arch_stack_walk+0xb2/0xe0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x104/0x1e0 kernel/stacktrace.c:121
kasan_save_stack+0x27/0x50 mm/kasan/common.c:38
kasan_record_aux_stack+0xf1/0x130 mm/kasan/generic.c:348
insert_work+0x54/0x400 kernel/workqueue.c:1353
__queue_work+0x928/0xc60 kernel/workqueue.c:1519
call_timer_fn+0xf6/0x210 kernel/time/timer.c:1421
expire_timers kernel/time/timer.c:1461 [inline]
__run_timers+0x732/0x8f0 kernel/time/timer.c:1734
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1747
__do_softirq+0x372/0x783 kernel/softirq.c:558
__irq_exit_rcu+0xcf/0x150 kernel/softirq.c:636
irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:161 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xbc/0x120 kernel/locking/spinlock.c:194
Code: f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 ca 17 e6 f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 cf fc 72 f7 65 8b 05 00 1e 1d 76 85 c0 74 3f 48 c7 04 24 0e 36
RSP: 0018:ffffc900015dfc60 EFLAGS: 00000206
RAX: 1ffff920002bbf90 RBX: ffffffff90c0b6d0 RCX: ffff888012dc8000
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc900015dfcf8 R08: ffffffff818756e0 R09: fffffbfff21816db
R10: fffffbfff21816db R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffff920002bbf8c R14: ffffc900015dfc80 R15: 0000000000000a02
debug_object_activate+0x131/0x6a0 lib/debugobjects.c:695
debug_rcu_head_queue kernel/rcu/rcu.h:176 [inline]
__call_rcu kernel/rcu/tree.c:2971 [inline]
call_rcu+0x93/0xa40 kernel/rcu/tree.c:3067
task_work_run+0x146/0x1c0 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:189 [inline]
exit_to_user_mode_loop kernel/entry/common.c:175 [inline]
exit_to_user_mode_prepare+0x201/0x220 kernel/entry/common.c:209
__syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
syscall_exit_to_user_mode+0x26/0x60 kernel/entry/common.c:302
do_syscall_64+0x4c/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fa977b1685d
Code: bb 20 00 00 75 10 b8 02 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 1e f6 ff ff 48 89 04 24 b8 02 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 67 f6 ff ff 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007ffe83d2cb30 EFLAGS: 00000293 ORIG_RAX: 0000000000000002
RAX: fffffffffffffffe RBX: 00007ffe83d2ce40 RCX: 00007fa977b1685d
RDX: 00000000000001a0 RSI: 0000000000080042 RDI: 0000562fd7ff8c00
RBP: 000000000000000d R08: 000000000000ffc0 R09: 00000000ffffffff
R10: 0000000000000069 R11: 0000000000000293 R12: 00000000ffffffff
R13: 0000562fd7feb040 R14: 00007ffe83d2ce00 R15: 0000562fd7ff5a00
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 48 89 fb mov %rdi,%rbx
5: 48 c1 eb 2f shr $0x2f,%rbx
9: 81 fb fe ff 01 00 cmp $0x1fffe,%ebx
f: 0f 86 7a 02 00 00 jbe 0x28f
15: 49 89 fc mov %rdi,%r12
18: 49 c1 ec 03 shr $0x3,%r12
1c: 49 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%r8
23: fc ff df
26: 4f 8d 0c 04 lea (%r12,%r8,1),%r9
* 2a: 4c 8d 54 37 ff lea -0x1(%rdi,%rsi,1),%r10 <-- trapping instruction
2f: 49 c1 ea 03 shr $0x3,%r10
33: 49 bd 01 00 00 00 00 movabs $0xdffffc0000000001,%r13
3a: fc ff df
3d: 4d 01 ea add %r13,%r10