watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.4.789:2798]
Modules linked in:
CPU: 1 PID: 2798 Comm: syz.4.789 Not tainted 6.1.124-syzkaller-00008-gccc915784332 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:csd_lock_wait kernel/smp.c:453 [inline]
RIP: 0010:smp_call_function_many_cond+0x84f/0x930 kernel/smp.c:998
Code: 3e 44 89 fe 83 e6 01 31 ff e8 dd 9b 09 00 41 83 e7 01 49 bf 00 00 00 00 00 fc ff df 75 0a e8 18 98 09 00 e9 2f ff ff ff f3 90 <42> 0f b6 04 3b 84 c0 75 14 41 f7 06 01 00 00 00 0f 84 12 ff ff ff
RSP: 0018:ffffc900043a7420 EFLAGS: 00000246
RAX: ffffffff816bfcca RBX: 1ffff1103edc7a99 RCX: 0000000000080000
RDX: ffffc90008aa7000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc900043a7538 R08: ffffffff816bfc93 R09: ffffed103ede71fb
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000800000000 R14: ffff8881f6e3d4c8 R15: dffffc0000000000
FS:  00007f769828a6c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2de0cff8 CR3: 000000013b4e6000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 on_each_cpu_cond_mask+0x40/0x80 kernel/smp.c:1166
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:1334 [inline]
 text_poke_bp_batch+0x4aa/0x730 arch/x86/kernel/alternative.c:1596
 text_poke_bp+0xc8/0x140 arch/x86/kernel/alternative.c:1771
 __static_call_transform+0x333/0x560 arch/x86/kernel/static_call.c:109
 arch_static_call_transform+0x51/0xa0 arch/x86/kernel/static_call.c:161
 __static_call_update+0xd2/0x5d0 kernel/static_call_inline.c:136
 tracepoint_update_call kernel/tracepoint.c:317 [inline]
 tracepoint_add_func+0x873/0x940 kernel/tracepoint.c:358
 tracepoint_probe_register_prio_may_exist+0x11c/0x180 kernel/tracepoint.c:482
 tracepoint_probe_register_may_exist include/linux/tracepoint.h:52 [inline]
 __bpf_probe_register kernel/trace/bpf_trace.c:2347 [inline]
 bpf_probe_register+0x152/0x1e0 kernel/trace/bpf_trace.c:2353
 bpf_raw_tp_link_attach+0x456/0x6b0 kernel/bpf/syscall.c:3372
 bpf_raw_tracepoint_open+0x22d/0x4a0 kernel/bpf/syscall.c:3399
 __sys_bpf+0x4f5/0x7f0 kernel/bpf/syscall.c:5049
 __do_sys_bpf kernel/bpf/syscall.c:5111 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5109 [inline]
 __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5109
 x64_sys_call+0x87f/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:322
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f769738cde9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f769828a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f76975a6080 RCX: 00007f769738cde9
RDX: 0000000000000010 RSI: 0000400000000580 RDI: 0000000000000011
RBP: 00007f769740e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f76975a6080 R15: 00007ffd234a9518
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 2804 Comm: syz.2.792 Not tainted 6.1.124-syzkaller-00008-gccc915784332 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
RIP: 0010:native_halt arch/x86/include/asm/irqflags.h:57 [inline]
RIP: 0010:halt arch/x86/include/asm/irqflags.h:98 [inline]
RIP: 0010:kvm_wait+0x117/0x180 arch/x86/kernel/kvm.c:1058
Code: 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 53 41 0f b6 45 00 44 38 f0 0f 85 63 ff ff ff 66 90 0f 00 2d da de 50 04 f4 <e9> 54 ff ff ff fa 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b
RSP: 0018:ffffc90004126e60 EFLAGS: 00000046
RAX: 0000000000000003 RBX: 1ffff92000824dd0 RCX: ffffffff8522978c
RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff888132aa8940
RBP: ffffc90004126f10 R08: dffffc0000000000 R09: ffffed1026555129
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff888132aa8940 R14: 0000000000000003 R15: 1ffff92000824dd4
FS:  00007f675552b6c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00004000008c3000 CR3: 000000011a805000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 pv_wait arch/x86/include/asm/paravirt.h:603 [inline]
 pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
 __pv_queued_spin_lock_slowpath+0x6de/0xda0 kernel/locking/qspinlock.c:511
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:591 [inline]
 queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
 do_raw_spin_lock include/linux/spinlock.h:187 [inline]
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline]
 _raw_spin_lock_irqsave+0x1a0/0x210 kernel/locking/spinlock.c:162
 queue_stack_map_push_elem+0x17a/0x570 kernel/bpf/queue_stack_maps.c:214
 bpf_prog_216c997a1f42e404+0x37/0x3b
 bpf_dispatcher_nop_func include/linux/bpf.h:987 [inline]
 __bpf_prog_run include/linux/filter.h:603 [inline]
 bpf_prog_run include/linux/filter.h:610 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2282 [inline]
 bpf_trace_run2+0x133/0x290 kernel/trace/bpf_trace.c:2321
 __bpf_trace_contention_end+0xb/0x10 include/trace/events/lock.h:122
 __traceiter_contention_end+0x78/0xb0 include/trace/events/lock.h:122
 trace_contention_end include/trace/events/lock.h:122 [inline]
 __pv_queued_spin_lock_slowpath+0xd59/0xda0 kernel/locking/qspinlock.c:560
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:591 [inline]
 queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
 do_raw_spin_lock include/linux/spinlock.h:187 [inline]
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline]
 _raw_spin_lock_irqsave+0x1a0/0x210 kernel/locking/spinlock.c:162
 queue_stack_map_push_elem+0x17a/0x570 kernel/bpf/queue_stack_maps.c:214
 bpf_prog_216c997a1f42e404+0x37/0x3b
 bpf_dispatcher_nop_func include/linux/bpf.h:987 [inline]
 __bpf_prog_run include/linux/filter.h:603 [inline]
 bpf_prog_run include/linux/filter.h:610 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2282 [inline]
 bpf_trace_run2+0x133/0x290 kernel/trace/bpf_trace.c:2321
 __bpf_trace_skb_copy_datagram_iovec+0x23/0x30 include/trace/events/skb.h:71
 trace_skb_copy_datagram_iovec include/trace/events/skb.h:71 [inline]
 skb_copy_datagram_iter+0x11a/0x180 net/core/datagram.c:534
 skb_copy_datagram_msg include/linux/skbuff.h:3975 [inline]
 unix_stream_read_actor+0x70/0xb0 net/unix/af_unix.c:2955
 unix_stream_read_generic+0xe66/0x2410 net/unix/af_unix.c:2874
 unix_stream_recvmsg+0x222/0x2b0 net/unix/af_unix.c:2992
 ____sys_recvmsg+0x285/0x530
 ___sys_recvmsg net/socket.c:2770 [inline]
 __sys_recvmsg+0x2e9/0x3d0 net/socket.c:2800
 __do_sys_recvmsg net/socket.c:2810 [inline]
 __se_sys_recvmsg net/socket.c:2807 [inline]
 __x64_sys_recvmsg+0x7f/0x90 net/socket.c:2807
 x64_sys_call+0x171/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:48
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f675478cde9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f675552b038 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 00007f67549a5fa0 RCX: 00007f675478cde9
RDX: 0000000040002002 RSI: 0000400000000000 RDI: 0000000000000009
RBP: 00007f675480e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f67549a5fa0 R15: 00007fff0bafeac8
 </TASK>