INFO: task syz-executor.5:21958 blocked for more than 143 seconds.
Tainted: G W 5.17.0-syzkaller-07570-gb50d3b46f842 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:30200 pid:21958 ppid: 10906 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5073 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6382
schedule+0xd2/0x1f0 kernel/sched/core.c:6454
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6513
__mutex_lock_common kernel/locking/mutex.c:673 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:733
tls_sw_sendmsg+0x245/0x17f0 net/tls/tls_sw.c:957
inet6_sendmsg+0x99/0xe0 net/ipv6/af_inet6.c:652
sock_sendmsg_nosec net/socket.c:705 [inline]
sock_sendmsg+0xcf/0x120 net/socket.c:725
__sys_sendto+0x21c/0x320 net/socket.c:2040
__do_sys_sendto net/socket.c:2052 [inline]
__se_sys_sendto net/socket.c:2048 [inline]
__x64_sys_sendto+0xdd/0x1b0 net/socket.c:2048
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f4531c89049
RSP: 002b:00007f4532daf168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f4531d9c100 RCX: 00007f4531c89049
RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000003
RBP: 00007f4531ce308d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc1f73ffef R14: 00007f4532daf300 R15: 0000000000022000
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Tainted: G W 5.17.0-syzkaller-07570-gb50d3b46f842 #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+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1e6/0x230 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:212 [inline]
watchdog+0xc1d/0xf50 kernel/hung_task.c:369
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 15304 Comm: kworker/u4:3 Tainted: G W 5.17.0-syzkaller-07570-gb50d3b46f842 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:unwind_next_frame+0x148d/0x1ce0 arch/x86/kernel/unwind_orc.c:617
Code: d2 0f 95 c0 40 84 c6 0f 85 31 05 00 00 49 0f bf 00 48 01 44 24 60 e9 ea f1 ff ff 48 b8 00 00 00 00 00 fc ff df 48 8b 54 24 08 <48> c1 ea 03 80 3c 02 00 0f 85 f6 03 00 00 49 8d 7e 08 49 8b 6e 38
RSP: 0018:ffffc90000007838 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: 1ffff92000000f0f RCX: 0000000000000007
RDX: ffffc90000007948 RSI: 0000000000000001 RDI: ffffc90000007968
RBP: 0000000000000002 R08: ffffffff8e356422 R09: 0000000000000001
R10: fffff52000000f2d R11: 000000000008a078 R12: ffffc90000007a38
R13: ffffc90000007945 R14: ffffc90000007910 R15: ffffffff8e356426
FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000559a6c096028 CR3: 000000000ba8e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
arch_stack_walk+0x7d/0xe0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122
kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38
__kasan_record_aux_stack+0xbe/0xd0 mm/kasan/generic.c:348
insert_work+0x48/0x350 kernel/workqueue.c:1358
__queue_work+0x62e/0x1140 kernel/workqueue.c:1517
call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421
expire_timers kernel/time/timer.c:1461 [inline]
__run_timers.part.0+0x4a6/0xa30 kernel/time/timer.c:1734
__run_timers kernel/time/timer.c:1715 [inline]
run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747
__do_softirq+0x29b/0x9c2 kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x123/0x180 kernel/softirq.c:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:csd_lock_wait kernel/smp.c:440 [inline]
RIP: 0010:smp_call_function_many_cond+0x4e3/0xc80 kernel/smp.c:969
Code: 0b 00 85 ed 74 4d 48 b8 00 00 00 00 00 fc ff df 4d 89 f4 4c 89 f5 49 c1 ec 03 83 e5 07 49 01 c4 83 c5 03 e8 df 90 0b 00 f3 90 <41> 0f b6 04 24 40 38 c5 7c 08 84 c0 0f 85 e9 05 00 00 8b 43 08 31
RSP: 0018:ffffc9000c36f9e0 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffff8880b9d3ffe0 RCX: 0000000000000000
RDX: ffff888049a09d00 RSI: ffffffff816d8241 RDI: 0000000000000003
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000001
R10: ffffffff816d8267 R11: 0000000000000000 R12: ffffed10173a7ffd
R13: 0000000000000001 R14: ffff8880b9d3ffe8 R15: 0000000000000001
on_each_cpu_cond_mask+0x56/0xa0 kernel/smp.c:1135
on_each_cpu include/linux/smp.h:71 [inline]
text_poke_sync arch/x86/kernel/alternative.c:1146 [inline]
text_poke_bp_batch+0x21d/0x6f0 arch/x86/kernel/alternative.c:1334
text_poke_flush arch/x86/kernel/alternative.c:1504 [inline]
text_poke_flush arch/x86/kernel/alternative.c:1501 [inline]
text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1511
arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:146
jump_label_update+0x32f/0x410 kernel/jump_label.c:830
static_key_enable_cpuslocked+0x1b1/0x260 kernel/jump_label.c:177
static_key_enable+0x16/0x20 kernel/jump_label.c:190
toggle_allocation_gate mm/kfence/core.c:779 [inline]
toggle_allocation_gate+0x100/0x390 mm/kfence/core.c:771
process_one_work+0x996/0x1610 kernel/workqueue.c:2289
worker_thread+0x665/0x1080 kernel/workqueue.c:2436
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
----------------
Code disassembly (best guess):
0: d2 0f rorb %cl,(%rdi)
2: 95 xchg %eax,%ebp
3: c0 40 84 c6 rolb $0xc6,-0x7c(%rax)
7: 0f 85 31 05 00 00 jne 0x53e
d: 49 0f bf 00 movswq (%r8),%rax
11: 48 01 44 24 60 add %rax,0x60(%rsp)
16: e9 ea f1 ff ff jmpq 0xfffff205
1b: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
22: fc ff df
25: 48 8b 54 24 08 mov 0x8(%rsp),%rdx
* 2a: 48 c1 ea 03 shr $0x3,%rdx <-- trapping instruction
2e: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
32: 0f 85 f6 03 00 00 jne 0x42e
38: 49 8d 7e 08 lea 0x8(%r14),%rdi
3c: 49 8b 6e 38 mov 0x38(%r14),%rbp