kthread+0x34b/0x3d0 kernel/kthread.c:313
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:299
watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz-executor.0:12229]
Modules linked in:
CPU: 1 PID: 12229 Comm: syz-executor.0 Not tainted 5.10.210-syzkaller-00394-g70b6ab09a34b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:csd_lock_wait kernel/smp.c:229 [inline]
RIP: 0010:smp_call_function_single+0x278/0x510 kernel/smp.c:517
Code: 0f 85 18 02 00 00 44 8b 6c 24 48 44 89 ee 83 e6 01 31 ff e8 7a f0 0a 00 41 83 e5 01 75 0a e8 bf ec 0a 00 e9 eb 00 00 00 f3 90 <42> 0f b6 04 23 84 c0 75 15 f7 44 24 48 01 00 00 00 0f 84 cd 00 00
RSP: 0018:ffffc90000f37800 EFLAGS: 00000293
RAX: ffffffff815fbd64 RBX: 1ffff920001e6f09 RCX: ffff8881272e8000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90000f378f0 R08: ffffffff815fbd36 R09: ffffed103ee0aec9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: ffffc90000f37848 R15: 0000000000000000
FS: 000055555734a480(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32125000 CR3: 0000000128e5a000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
smp_call_function_many_cond+0x94e/0xa30 kernel/smp.c:653
smp_call_function_many kernel/smp.c:716 [inline]
smp_call_function kernel/smp.c:738 [inline]
on_each_cpu+0xa8/0x1a0 kernel/smp.c:837
text_poke_sync arch/x86/kernel/alternative.c:1313 [inline]
text_poke_bp_batch+0x1d4/0x600 arch/x86/kernel/alternative.c:1504
text_poke_flush arch/x86/kernel/alternative.c:1672 [inline]
text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:1679
arch_jump_label_transform_apply+0x15/0x30 arch/x86/kernel/jump_label.c:126
__jump_label_update+0x36a/0x380 kernel/jump_label.c:459
jump_label_update+0x379/0x400 kernel/jump_label.c:825
static_key_disable_cpuslocked+0xcd/0x1b0 kernel/jump_label.c:207
static_key_disable+0x1a/0x30 kernel/jump_label.c:215
tracepoint_remove_func kernel/tracepoint.c:438 [inline]
tracepoint_probe_unregister+0x6e0/0x9e0 kernel/tracepoint.c:572
bpf_probe_unregister+0x61/0x70 kernel/trace/bpf_trace.c:2135
bpf_raw_tp_link_release+0x63/0x90 kernel/bpf/syscall.c:2762
bpf_link_free kernel/bpf/syscall.c:2356 [inline]
bpf_link_put+0x1fd/0x280 kernel/bpf/syscall.c:2382
bpf_link_release+0x3b/0x40 kernel/bpf/syscall.c:2390
__fput+0x309/0x760 fs/file_table.c:281
____fput+0x15/0x20 fs/file_table.c:314
task_work_run+0x129/0x190 kernel/task_work.c:164
tracehook_notify_resume include/linux/tracehook.h:188 [inline]
exit_to_user_mode_loop+0xbf/0xd0 kernel/entry/common.c:172
exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
syscall_exit_to_user_mode+0xc5/0x1d0 kernel/entry/common.c:274
do_syscall_64+0x40/0x70 arch/x86/entry/common.c:56
entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7ff90173adda
Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24
RSP: 002b:00007ffdf05f2be0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007ff90173adda
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 00007ffdf05f2cb8 R08: 00007ff9016bf000 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000293 R12: 000000000007175e
R13: 00007ff90186af8c R14: 00007ff90186af80 R15: 0000000000000226
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 12228 Comm: syz-executor.2 Not tainted 5.10.210-syzkaller-00394-g70b6ab09a34b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:native_halt arch/x86/include/asm/irqflags.h:66 [inline]
RIP: 0010:halt arch/x86/include/asm/irqflags.h:112 [inline]
RIP: 0010:kvm_wait+0xec/0x150 arch/x86/kernel/kvm.c:921
Code: 03 42 0f b6 04 20 84 c0 75 6a 41 0f b6 45 00 44 38 f0 75 26 41 f7 c7 00 02 00 00 75 0f 0f 1f 44 00 00 0f 00 2d 65 4e d5 03 f4 0e 0f 1f 44 00 00 0f 00 2d 56 4e d5 03 fb f4 4c 89 7c 24 18 ff
RSP: 0018:ffffc90000c36f60 EFLAGS: 00000046
RAX: 0000000000000003 RBX: 1ffff92000186df0 RCX: ffffffff8150b5a4
RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc90000c36fa0
RBP: ffffc90000c37010 R08: dffffc0000000000 R09: ffffed1022434231
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881121a1180 R14: 0000000000000003 R15: 0000000000000046
FS: 00007fc8d4c186c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000200000 CR3: 000000010cc61000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
pv_wait arch/x86/include/asm/paravirt.h:564 [inline]
pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
__pv_queued_spin_lock_slowpath+0x72f/0xc70 kernel/locking/qspinlock.c:508
pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:554 [inline]
queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
do_raw_spin_lock_flags include/linux/spinlock.h:195 [inline]
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:119 [inline]
_raw_spin_lock_irqsave+0x1a0/0x210 kernel/locking/spinlock.c:159
force_sig_info_to_task+0x67/0x320 kernel/signal.c:1320
force_sig_fault_to_task kernel/signal.c:1684 [inline]
force_sig_fault+0x125/0x1c0 kernel/signal.c:1691
no_context+0x2e1/0xf20 arch/x86/mm/fault.c:672
__bad_area_nosemaphore+0xcd/0x440 arch/x86/mm/fault.c:848
bad_area_nosemaphore+0x2d/0x40 arch/x86/mm/fault.c:855
handle_page_fault arch/x86/mm/fault.c:1462 [inline]
exc_page_fault+0x3ea/0x5b0 arch/x86/mm/fault.c:1518
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:571
RIP: 0010:.E_copy+0x12/0x111
Code: 0a 48 83 e1 f8 48 8b 01 8d 0a 83 e1 07 c1 e1 03 48 d3 e8 e9 d6 69 91 fd 48 89 c8 c3 01 ca e9 83 84 94 fd c1 e1 06 01 ca eb 07 <8d> 14 ca eb 02 89 ca e9 70 84 94 fd 01 ca e9 69 84 94 fd 8d 0c ca
RSP: 0018:ffffc90000c37660 EFLAGS: 00050002
RAX: 000000000000000e RBX: ffff8881272eda10 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffc90000c376e8 RDI: 0000000000200000
RBP: ffffc90000c37690 R08: 0000000000000000 R09: ffffffff81aee863
R10: 0000000000000003 R11: ffff8881272ecf00 R12: 0000000000200000
R13: 0000000000000008 R14: 1ffff11024e5db42 R15: ffffc90000c376e8
____bpf_probe_write_user kernel/trace/bpf_trace.c:337 [inline]
bpf_probe_write_user+0x96/0xf0 kernel/trace/bpf_trace.c:313
bpf_prog_42b0bc03b33f5c41+0x3f/0xf28
bpf_dispatcher_nop_func include/linux/bpf.h:669 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2061 [inline]
bpf_trace_run5+0x176/0x320 kernel/trace/bpf_trace.c:2101
__bpf_trace_signal_generate+0x3c/0x50 include/trace/events/signal.h:50
trace_signal_generate include/trace/events/signal.h:50 [inline]
__send_signal+0xb39/0xb90 kernel/signal.c:1186
send_signal+0x4c1/0x5e0 kernel/signal.c:1245
force_sig_info_to_task+0x272/0x320 kernel/signal.c:1337
force_sig_fault_to_task kernel/signal.c:1684 [inline]
force_sig_fault+0x125/0x1c0 kernel/signal.c:1691
no_context+0x2e1/0xf20 arch/x86/mm/fault.c:672
__bad_area_nosemaphore+0xcd/0x440 arch/x86/mm/fault.c:848
__bad_area arch/x86/mm/fault.c:869 [inline]
bad_area+0x69/0x80 arch/x86/mm/fault.c:875
handle_page_fault arch/x86/mm/fault.c:1462 [inline]
exc_page_fault+0x439/0x5b0 arch/x86/mm/fault.c:1518
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:571
RIP: 0010:__put_user_nocheck_8+0x11/0x21
Code: 0f 01 ca c3 66 0f 1f 44 00 00 48 bb f9 ef ff ff ff 7f 00 00 48 39 d9 73 14 0f 01 cb 48 89 01 31 c9 0f 01 ca c3 0f 1f 44 00 00 <0f> 01 ca b9 f2 ff ff ff c3 cc cc cc cc cc cc cc 55 48 89 e5 41 57
RSP: 0018:ffffc90000c37d98 EFLAGS: 00050283
RAX: 000000007e47f2ab RBX: 00007fffffffeff9 RCX: 0000000000000019
RDX: ffffc90001f41000 RSI: 0000000000000afa RDI: 0000000000000afb
RBP: ffffc90000c37e48 R08: ffffffff815b6014 R09: ffffc90000c37de0
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90000c37de0
R13: dffffc0000000000 R14: 1ffff92000186fb8 R15: 0000000000000019
emulate_vsyscall+0xe33/0x13d0 arch/x86/entry/vsyscall/vsyscall_64.c:246
do_user_addr_fault arch/x86/mm/fault.c:1309 [inline]
handle_page_fault arch/x86/mm/fault.c:1462 [inline]
exc_page_fault+0x147/0x5b0 arch/x86/mm/fault.c:1518
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:571
RIP: 0033:_end+0x783da000/0x0
Code: Unable to access opcode bytes at RIP 0xffffffffff5fffd6.
RSP: 002b:00007fc8d4c17b38 EFLAGS: 00010246
RAX: ffffffffffffffda RBX: 00007fc8d5fd2f80 RCX: 00007fc8d5ea3ee9
RDX: 00007fc8d4c17b40 RSI: 00007fc8d4c17c70 RDI: 0000000000000019
RBP: 00007fc8d5ef049e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000007 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000004d R14: 00007fc8d5fd2f80 R15: 00007fff417c9a48