kthread+0x34b/0x3d0 kernel/kthread.c:313
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:299
watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [syz-executor.2:6213]
Modules linked in:
CPU: 0 PID: 6213 Comm: syz-executor.2 Tainted: G W 5.10.209-syzkaller-00039-g8d3bb9cb3b7d #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 ba f0 0a 00 41 83 e5 01 75 0a e8 ff 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:ffffc9000124f800 EFLAGS: 00000293
RAX: ffffffff815fbc04 RBX: 1ffff92000249f09 RCX: ffff88810ed1e2c0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000124f8f0 R08: ffffffff815fbbd6 R09: ffffed103ee2aec9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: ffffc9000124f848 R15: 0000000000000000
FS: 0000555556fdd480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000013b85b000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
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:2756
bpf_link_free kernel/bpf/syscall.c:2350 [inline]
bpf_link_put+0x1fd/0x280 kernel/bpf/syscall.c:2376
bpf_link_release+0x3b/0x40 kernel/bpf/syscall.c:2384
__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: 0033:0x7fdb518c3d9a
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:00007ffe6f699760 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007fdb518c3d9a
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006
RBP: 00007fdb519f4980 R08: 00007fdb51847000 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000293 R12: 000000000020f9fe
R13: 000000000020f9cc R14: 00007ffe6f699920 R15: 00007fdb5187bcb0
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 6234 Comm: syz-executor.4 Tainted: G W 5.10.209-syzkaller-00039-g8d3bb9cb3b7d #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 55 4c d5 03 f4 0e 0f 1f 44 00 00 0f 00 2d 46 4c d5 03 fb f4 4c 89 7c 24 18 ff
RSP: 0018:ffffc9000171efa0 EFLAGS: 00000046
RAX: 0000000000000003 RBX: 1ffff920002e3df8 RCX: ffffffff8150b644
RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc9000171efe0
RBP: ffffc9000171f050 R08: dffffc0000000000 R09: ffffed1027d2f608
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88813e97b038 R14: 0000000000000003 R15: 0000000000000046
FS: 00007f796e7af6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000134e43000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
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
htab_lock_bucket kernel/bpf/hashtab.c:154 [inline]
htab_map_delete_elem+0xe2/0x4f0 kernel/bpf/hashtab.c:1257
bpf_prog_2c29ac5cdc6b1842+0x3a/0x6b4
bpf_dispatcher_nop_func include/linux/bpf.h:669 [inline]
__bpf_trace_run kernel/trace/bpf_trace.c:2061 [inline]
bpf_trace_run7+0x1b9/0x350 kernel/trace/bpf_trace.c:2103
__bpf_trace_percpu_alloc_percpu+0x43/0x60 include/trace/events/percpu.h:10
trace_percpu_alloc_percpu include/trace/events/percpu.h:10 [inline]
pcpu_alloc+0x12b4/0x1420 mm/percpu.c:1844
__alloc_percpu_gfp+0x27/0x30 mm/percpu.c:1893
alloc_htab_elem+0x3d6/0x710 kernel/bpf/hashtab.c:911
__htab_percpu_map_update_elem+0x2d3/0x450 kernel/bpf/hashtab.c:1147
bpf_percpu_hash_update+0x90/0xc0 kernel/bpf/hashtab.c:1935
bpf_map_update_value+0x25d/0x420 kernel/bpf/syscall.c:194
generic_map_update_batch+0x4f0/0x810 kernel/bpf/syscall.c:1366
bpf_map_do_batch+0x4c3/0x620
__se_sys_bpf+0xc3c/0x11cb0 kernel/bpf/syscall.c:4385
__x64_sys_bpf+0x7b/0x90 kernel/bpf/syscall.c:4385
do_syscall_64+0x34/0x70
entry_SYSCALL_64_after_hwframe+0x61/0xc6
RIP: 0033:0x7f796fa9eea9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f796e7af0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f796fbcd1f0 RCX: 00007f796fa9eea9
RDX: 0000000000000038 RSI: 00000000200001c0 RDI: 000000000000001a
RBP: 00007f796faeb4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f796fbcd1f0 R15: 00007ffe9dfa5fb8