watchdog: BUG: soft lockup - CPU#0 stuck for 143s! [syz.3.891:3594]
Modules linked in:
CPU: 0 PID: 3594 Comm: syz.3.891 Not tainted 6.1.138-syzkaller-00010-gba4506940166 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:csd_lock_wait kernel/smp.c:453 [inline]
RIP: 0010:smp_call_function_many_cond+0x872/0x960 kernel/smp.c:998
Code: 41 8b 1f 89 de 83 e6 01 31 ff e8 39 66 09 00 83 e3 01 48 bb 00 00 00 00 00 fc ff df 75 0a e8 05 62 09 00 e9 38 ff ff ff f3 90 <41> 0f b6 44 1d 00 84 c0 75 14 41 f7 07 01 00 00 00 0f 84 1a ff ff
RSP: 0000:ffffc90008a5f7e0 EFLAGS: 00000293
RAX: ffffffff81668f2e RBX: dffffc0000000000 RCX: ffff88810be21440
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90008a5f920 R08: ffffffff87963008 R09: ffffffff87963018
R10: ffffffff87963003 R11: 1ffffffff0f2c600 R12: 1ffff1103ee07210
R13: 1ffff1103ee2789d R14: 0000000000000001 R15: ffff8881f713c4e8
FS:  000055555ef2d500(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7c2cbb5f80 CR3: 00000001478de000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 on_each_cpu_cond_mask+0x43/0x80 kernel/smp.c:1166
 native_flush_tlb_multi+0x144/0x210 arch/x86/mm/tlb.c:-1
 __flush_tlb_multi arch/x86/include/asm/paravirt.h:87 [inline]
 flush_tlb_multi arch/x86/mm/tlb.c:951 [inline]
 flush_tlb_mm_range+0x36a/0x470 arch/x86/mm/tlb.c:1039
 flush_tlb_page arch/x86/include/asm/tlbflush.h:241 [inline]
 ptep_clear_flush+0x111/0x150 mm/pgtable-generic.c:99
 wp_page_copy+0xca3/0x15b0 mm/memory.c:3278
 do_wp_page+0x9f2/0xfc0 mm/memory.c:-1
 handle_pte_fault mm/memory.c:5189 [inline]
 __handle_mm_fault mm/memory.c:5313 [inline]
 handle_mm_fault+0x10e4/0x2640 mm/memory.c:5453
 do_user_addr_fault+0x905/0x1050 arch/x86/mm/fault.c:1323
 handle_page_fault arch/x86/mm/fault.c:1466 [inline]
 exc_page_fault+0x51/0xb0 arch/x86/mm/fault.c:1522
 asm_exc_page_fault+0x27/0x30 arch/x86/include/asm/idtentry.h:608
RIP: 0033:0x7f7c2c864842
Code: 63 fd 48 8d 14 fd 00 00 00 00 48 29 fa 48 c1 e2 05 48 01 f2 80 7a 20 00 0f 85 c3 0d 00 00 48 8b 74 24 10 80 3d a2 0e e8 00 00 <4c> 89 2d 37 17 35 00 c7 42 0c 00 00 00 00 48 89 72 10 48 8b 74 24
RSP: 002b:00007ffc293cc770 EFLAGS: 00010202
RAX: 00000000000000e0 RBX: 00007f7c2cbb6088 RCX: 00007f7c2c945f37
RDX: 00007f7c2cbb6080 RSI: 00007f7c2c200b97 RDI: 0000000000000001
RBP: 0000000000000001 R08: 00007f7c2cbb5fa0 R09: 00007ffc293cc607
R10: 0000000000000008 R11: 0000000000000246 R12: 00007f7c2cbb608c
R13: 00007f7c2cbb6080 R14: 0000000000001211 R15: 0000000000000004
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 3606 Comm: syz.3.891 Not tainted 6.1.138-syzkaller-00010-gba4506940166 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
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+0xcc/0x140 arch/x86/kernel/kvm.c:1058
Code: 20 f6 44 24 21 02 75 24 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 75 48 0f b6 07 40 38 f0 75 a6 66 90 0f 00 2d d5 ae 13 04 f4 <eb> 9a fa 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 75 3f 0f b6 07
RSP: 0018:ffffc900001b0640 EFLAGS: 00000046
RAX: 0000000000000003 RBX: ffff88810d427140 RCX: ffffffff84f00542
RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88810d427140
RBP: ffffc900001b06d0 R08: dffffc0000000000 R09: ffffed1021a84e29
R10: ffffed1021a84e29 R11: 1ffff11021a84e28 R12: 1ffff1103ee20001
R13: ffff8881f7138cb4 R14: dffffc0000000000 R15: 1ffff920000360c8
FS:  00007f7c2c7de6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc7f1a53b2c CR3: 00000001478de000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 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+0x690/0xc40 kernel/locking/qspinlock.c:511
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:591 [inline]
 queued_spin_lock_slowpath+0x47/0x50 arch/x86/include/asm/qspinlock.h:51
 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+0x108/0x110 kernel/locking/spinlock.c:162
 __stack_map_get+0xec/0x3c0 kernel/bpf/queue_stack_maps.c:144
 stack_map_peek_elem+0x1f/0x30 kernel/bpf/queue_stack_maps.c:177
 bpf_prog_00798911c748094f+0x3a/0x3e
 bpf_dispatcher_nop_func include/linux/bpf.h:987 [inline]
 __bpf_prog_run include/linux/filter.h:596 [inline]
 bpf_prog_run include/linux/filter.h:610 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2283 [inline]
 bpf_trace_run2+0x1a7/0x250 kernel/trace/bpf_trace.c:2322
 __bpf_trace_contention_end+0xb/0x10 include/trace/events/lock.h:122
 trace_contention_end include/trace/events/lock.h:122 [inline]
 __pv_queued_spin_lock_slowpath+0xbff/0xc40 kernel/locking/qspinlock.c:560
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:591 [inline]
 queued_spin_lock_slowpath+0x47/0x50 arch/x86/include/asm/qspinlock.h:51
 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+0x108/0x110 kernel/locking/spinlock.c:162
 __stack_map_get+0xec/0x3c0 kernel/bpf/queue_stack_maps.c:144
 stack_map_peek_elem+0x1f/0x30 kernel/bpf/queue_stack_maps.c:177
 bpf_prog_00798911c748094f+0x3a/0x3e
 bpf_dispatcher_nop_func include/linux/bpf.h:987 [inline]
 __bpf_prog_run include/linux/filter.h:596 [inline]
 bpf_prog_run include/linux/filter.h:610 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2283 [inline]
 bpf_trace_run2+0x1a7/0x250 kernel/trace/bpf_trace.c:2322
 __bpf_trace_tlb_flush+0x25/0x30 include/trace/events/tlb.h:38
 __traceiter_tlb_flush+0x84/0xd0 include/trace/events/tlb.h:38
 trace_tlb_flush include/trace/events/tlb.h:38 [inline]
 flush_tlb_func+0x4ca/0x4f0 arch/x86/mm/tlb.c:875
 __flush_smp_call_function_queue+0x22e/0x6e0 kernel/smp.c:641
 generic_smp_call_function_single_interrupt+0x13/0x20 kernel/smp.c:557
 __sysvec_call_function_single+0x75/0x1c0 arch/x86/kernel/smp.c:267
 instr_sysvec_call_function_single arch/x86/kernel/smp.c:262 [inline]
 sysvec_call_function_single+0xa1/0xc0 arch/x86/kernel/smp.c:262
 </IRQ>
 <TASK>
 asm_sysvec_call_function_single+0x1b/0x20 arch/x86/include/asm/idtentry.h:699
RIP: 0010:plist_add+0x0/0x470 lib/plist.c:74
Code: 09 fe ff ff e8 81 cf 8f fc e8 d8 e3 08 00 eb ad e8 a5 16 09 00 00 00 cc cc 00 90 90 90 90 90 90 90 90 90 90 90 b8 ba 1d 14 77 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 40 49 89 f4 48 89
RSP: 0018:ffffc9000c9af9f8 EFLAGS: 00000293
RAX: ffffffff8165bfb4 RBX: ffffc9000c9afbf0 RCX: ffff888120112880
RDX: 0000000000000000 RSI: ffff888100877788 RDI: ffffc9000c9afbf0
RBP: ffffc9000c9afab0 R08: dffffc0000000000 R09: ffffed1024022514
R10: ffffed1024022514 R11: 1ffff11024022513 R12: ffff888120112880
R13: ffff888100877788 R14: 1ffff92001935f44 R15: dffffc0000000000
 futex_queue kernel/futex/futex.h:173 [inline]
 futex_wait_queue+0x54/0x230 kernel/futex/waitwake.c:343
 futex_wait+0x1a3/0x750 kernel/futex/waitwake.c:664
 do_futex+0x2dc/0x420 kernel/futex/syscalls.c:108
 __do_sys_futex kernel/futex/syscalls.c:185 [inline]
 __se_sys_futex+0x273/0x2e0 kernel/futex/syscalls.c:166
 __x64_sys_futex+0xe5/0x100 kernel/futex/syscalls.c:166
 x64_sys_call+0x7ec/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:203
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f7c2c98e929
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:00007f7c2c7de0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f7c2cbb6088 RCX: 00007f7c2c98e929
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f7c2cbb6088
RBP: 00007f7c2cbb6080 R08: 00007ffc293cc607 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7c2cbb608c
R13: 0000000000000001 R14: 00007ffc293cc520 R15: 00007ffc293cc608
 </TASK>