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.3:17095]
Modules linked in:
CPU: 1 PID: 17095 Comm: syz-executor.3 Tainted: G        W         5.10.209-syzkaller-00019-gd82f901b3eb5 #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+0x27d/0x510 kernel/smp.c:517
Code: 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 00 e8 dc ec 0a
RSP: 0018:ffffc900019970e0 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 1ffff92000332e25 RCX: 0000000000040000
RDX: ffffc9000749d000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: ffffc900019971d0 R08: ffffffff815fbae6 R09: ffffed103ee0aec9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: ffffc90001997128 R15: 0000000000000000
FS:  00007fa8866326c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f02a08f45a0 CR3: 000000013d620000 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:1313 [inline]
 text_poke_bp_batch+0x47f/0x600 arch/x86/kernel/alternative.c:1557
 text_poke_bp+0xc8/0x140 arch/x86/kernel/alternative.c:1718
 __static_call_transform+0xe4/0x120 arch/x86/kernel/static_call.c:56
 arch_static_call_transform+0x7f/0x1d0 arch/x86/kernel/static_call.c:100
 __static_call_update+0xd2/0x5c0 kernel/static_call.c:136
 tracepoint_update_call kernel/tracepoint.c:338 [inline]
 tracepoint_add_func+0x979/0xa30 kernel/tracepoint.c:379
 tracepoint_probe_register_prio_may_exist+0x11c/0x180 kernel/tracepoint.c:503
 tracepoint_probe_register_may_exist include/linux/tracepoint.h:52 [inline]
 __bpf_probe_register kernel/trace/bpf_trace.c:2124 [inline]
 bpf_probe_register+0x152/0x1e0 kernel/trace/bpf_trace.c:2130
 bpf_raw_tracepoint_open kernel/bpf/syscall.c:2896 [inline]
 __do_sys_bpf kernel/bpf/syscall.c:4471 [inline]
 __se_sys_bpf+0x5f08/0x11cb0 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: 0033:0x7fa8878beea9
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:00007fa8866320c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fa8879ecf80 RCX: 00007fa8878beea9
RDX: 0000000000000010 RSI: 00000000200011c0 RDI: 0000000000000011
RBP: 00007fa88790b4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fa8879ecf80 R15: 00007ffdd7512eb8
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 17085 Comm: syz-executor.0 Tainted: G        W         5.10.209-syzkaller-00019-gd82f901b3eb5 #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 <eb> 0e 0f 1f 44 00 00 0f 00 2d 46 4c d5 03 fb f4 4c 89 7c 24 18 ff
RSP: 0000:ffffc900019b6f00 EFLAGS: 00000046
RAX: 0000000000000003 RBX: 1ffff92000336de4 RCX: ffffffff8150b554
RDX: 0000000000000001 RSI: 0000000000000003 RDI: ffffc900019b6f40
RBP: ffffc900019b6fb0 R08: dffffc0000000000 R09: ffffed1021685119
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88810b4288c0 R14: 0000000000000003 R15: 0000000000000046
FS:  00007f7c09f296c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffff0000000 CR3: 0000000122a76000 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:848
 bad_area_nosemaphore+0x2d/0x40 arch/x86/mm/fault.c:855
 do_kern_addr_fault+0x69/0x80 arch/x86/mm/fault.c:1220
 handle_page_fault arch/x86/mm/fault.c:1460 [inline]
 exc_page_fault+0x399/0x5b0 arch/x86/mm/fault.c:1518
 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:571
RIP: 0010:strncpy_from_kernel_nofault+0x1c2/0x1e0 mm/maccess.c:84
Code: c1 7c 9c 48 8b 7d c8 e8 ec 8c 17 00 48 8b 75 c8 48 8b 55 d0 eb 89 89 f9 80 e1 07 38 c1 7c 96 e8 34 8d 17 00 48 8b 55 d0 eb 8b <e8> 89 11 da ff 48 c7 c3 f2 ff ff ff e9 45 ff ff ff 66 2e 0f 1f 84
RSP: 0000:ffffc900019b7648 EFLAGS: 00010046
RAX: 0000000000000000 RBX: fffffffff0000000 RCX: ffff88810b898000
RDX: ffffc900019b76e8 RSI: fffffffff0000000 RDI: fffffffff0000000
RBP: ffffc900019b7690 R08: ffffffff81332256 R09: ffffed1021713001
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: fffffffff0000000 R14: dffffc0000000000 R15: 0000000000000008
 bpf_probe_read_kernel_str_common kernel/trace/bpf_trace.c:252 [inline]
 ____bpf_probe_read_compat_str kernel/trace/bpf_trace.c:300 [inline]
 bpf_probe_read_compat_str+0x112/0x180 kernel/trace/bpf_trace.c:293
 bpf_prog_ac06b3ad362b87d1+0x3d/0x734
 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: 0000:ffffc900019b7d98 EFLAGS: 00050283
RAX: 0000000066222fc6 RBX: 00007fffffffeff9 RCX: 0000000000000019
RDX: ffffc90002cd1000 RSI: 0000000000000a4b RDI: 0000000000000a4c
RBP: ffffc900019b7e48 R08: ffffffff815b5f84 R09: ffffc900019b7de0
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900019b7de0
R13: dffffc0000000000 R14: 1ffff92000336fb8 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:00007f7c09f28b38 EFLAGS: 00010246
RAX: ffffffffffffffda RBX: 00007f7c0b2e3f80 RCX: 00007f7c0b1b5ea9
RDX: 00007f7c09f28b40 RSI: 00007f7c09f28c70 RDI: 0000000000000019
RBP: 00007f7c0b2024a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000007 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f7c0b2e3f80 R15: 00007fffc9584838