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 111s! [syz-executor.1:5498]
Modules linked in:
CPU: 1 PID: 5498 Comm: syz-executor.1 Tainted: G        W         5.10.214-syzkaller-00496-ga8e7f812fbc1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
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:ffffc90001f97800 EFLAGS: 00000293
RAX: ffffffff815fc2e4 RBX: 1ffff920003f2f09 RCX: ffff888100298000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90001f978f0 R08: ffffffff815fc2b6 R09: ffffed103ee0aec9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: ffffc90001f97848 R15: 0000000000000000
FS:  0000555556513480(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000012a053000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 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:1318 [inline]
 text_poke_bp_batch+0x1d4/0x600 arch/x86/kernel/alternative.c:1509
 text_poke_flush arch/x86/kernel/alternative.c:1677 [inline]
 text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:1684
 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: 0033:0x7f9822e42dda
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:00007ffd96997590 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000009 RCX: 00007f9822e42dda
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000008
RBP: 00007f9822f74980 R08: 0000001b31360000 R09: 00007ffd969b60b0
R10: 000000000005bcde R11: 0000000000000293 R12: 000000000021fd14
R13: 00007f9822f7312c R14: 00007ffd96997690 R15: 0000000000000032
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5505 Comm: syz-executor.2 Tainted: G        W         5.10.214-syzkaller-00496-ga8e7f812fbc1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
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 85 4a d5 03 f4 <eb> 0e 0f 1f 44 00 00 0f 00 2d 76 4a d5 03 fb f4 4c 89 7c 24 18 ff
RSP: 0000:ffffc90002016f60 EFLAGS: 00000046
RAX: 0000000000000003 RBX: 1ffff92000402df0 RCX: ffffffff8150bb44
RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc90002016fa0
RBP: ffffc90002017010 R08: dffffc0000000000 R09: ffffed1024abf7a9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881255fbd40 R14: 0000000000000003 R15: 0000000000000046
FS:  00007fcd7b8a06c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001372a5000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 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:839
 bad_area_nosemaphore+0x2d/0x40 arch/x86/mm/fault.c:846
 handle_page_fault arch/x86/mm/fault.c:1453 [inline]
 exc_page_fault+0x3ea/0x5b0 arch/x86/mm/fault.c:1509
 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:571
RIP: 0010:.E_copy+0x17/0x111
Code: 48 8b 01 8d 0a 83 e1 07 c1 e1 03 48 d3 e8 e9 36 6d 91 fd 48 89 c8 c3 01 ca e9 e3 87 94 fd c1 e1 06 01 ca eb 07 8d 14 ca eb 02 <89> ca e9 d0 87 94 fd 01 ca e9 c9 87 94 fd 8d 0c ca 89 ca e9 bf 87
RSP: 0000:ffffc90002017660 EFLAGS: 00050002
RAX: 000000000000000e RBX: ffff88810a991ed0 RCX: 0000000000000002
RDX: 0000000000000002 RSI: 0000000000000000 RDI: ffffc900020176e8
RBP: ffffc90002017690 R08: 0000000000000005 R09: ffffffff81aeed93
R10: 0000000000000003 R11: ffff88810a9913c0 R12: ffffc900020176e8
R13: 0000000000000002 R14: 0000000000000000 R15: 1ffff110215323da
 bpf_probe_read_user_common kernel/trace/bpf_trace.c:154 [inline]
 ____bpf_probe_read_compat kernel/trace/bpf_trace.c:278 [inline]
 bpf_probe_read_compat+0xec/0x180 kernel/trace/bpf_trace.c:274
 bpf_prog_867778163f9d3326+0x3d/0x44c
 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:839
 __bad_area arch/x86/mm/fault.c:860 [inline]
 bad_area+0x69/0x80 arch/x86/mm/fault.c:866
 handle_page_fault arch/x86/mm/fault.c:1453 [inline]
 exc_page_fault+0x439/0x5b0 arch/x86/mm/fault.c:1509
 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: 0000:ffffc90002017d98 EFLAGS: 00050283
RAX: 000000006e4e8779 RBX: 00007fffffffeff9 RCX: 0000000000000019
RDX: ffffc90002f2a000 RSI: 0000000000000b66 RDI: 0000000000000b67
RBP: ffffc90002017e48 R08: ffffffff815b65b4 R09: ffffc90002017de0
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc90002017de0
R13: dffffc0000000000 R14: 1ffff92000402fb8 R15: 0000000000000019
 emulate_vsyscall+0xe33/0x13d0 arch/x86/entry/vsyscall/vsyscall_64.c:246
 do_user_addr_fault arch/x86/mm/fault.c:1300 [inline]
 handle_page_fault arch/x86/mm/fault.c:1453 [inline]
 exc_page_fault+0x147/0x5b0 arch/x86/mm/fault.c:1509
 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:00007fcd7b89fb38 EFLAGS: 00010246
RAX: ffffffffffffffda RBX: 00007fcd7cc5af80 RCX: 00007fcd7cb2bee9
RDX: 00007fcd7b89fb40 RSI: 00007fcd7b89fc70 RDI: 0000000000000019
RBP: 00007fcd7cb7849e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000007 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fcd7cc5af80 R15: 00007fffeed24a18