watchdog: BUG: soft lockup - CPU#0 stuck for 225s! [syz-executor.0:8865] Modules linked in: CPU: 0 PID: 8865 Comm: syz-executor.0 Tainted: G W 6.1.75-syzkaller-00023-gb76ed1185975 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:csd_lock_wait kernel/smp.c:453 [inline] RIP: 0010:smp_call_function_many_cond+0x851/0x930 kernel/smp.c:998 Code: 3e 44 89 fe 83 e6 01 31 ff e8 0b 9e 09 00 41 83 e7 01 49 bf 00 00 00 00 00 fc ff df 75 0a e8 46 9a 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:ffffc9000127f600 EFLAGS: 00000293 RAX: ffffffff816bc3fc RBX: 1ffff1103ee27705 RCX: ffff888119cf9440 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc9000127f718 R08: ffffffff816bc3c5 R09: ffffed103ee0707b R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 R13: 0000000800000000 R14: ffff8881f713b828 R15: dffffc0000000000 FS: 00005555571d5480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc982ada5ee CR3: 000000012a3ba000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: 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:1329 [inline] text_poke_bp_batch+0x1e9/0x730 arch/x86/kernel/alternative.c:1529 text_poke_bp+0xc8/0x140 arch/x86/kernel/alternative.c:1766 __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+0xd2/0x5c0 kernel/static_call_inline.c:136 tracepoint_update_call kernel/tracepoint.c:317 [inline] tracepoint_remove_func kernel/tracepoint.c:441 [inline] tracepoint_probe_unregister+0x7fb/0x900 kernel/tracepoint.c:551 bpf_probe_unregister+0x61/0x70 kernel/trace/bpf_trace.c:2351 bpf_raw_tp_link_release+0x63/0x90 kernel/bpf/syscall.c:3149 bpf_link_free+0x129/0x3f0 kernel/bpf/syscall.c:2723 bpf_link_put kernel/bpf/syscall.c:2749 [inline] bpf_link_release+0x170/0x180 kernel/bpf/syscall.c:2758 __fput+0x3ab/0x870 fs/file_table.c:320 ____fput+0x15/0x20 fs/file_table.c:348 task_work_run+0x24d/0x2e0 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0x94/0xa0 kernel/entry/common.c:171 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline] syscall_exit_to_user_mode+0x26/0x140 kernel/entry/common.c:297 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:87 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f31ad07cd5a 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:00007fff192f8750 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007f31ad07cd5a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000006 RBP: 0000000000000032 R08: 0000001b2f520000 R09: 000000000000007d R10: 0000000081311f84 R11: 0000000000000293 R12: 00007f31acc07438 R13: ffffffffffffffff R14: 00007f31acc00000 R15: 00000000001047fa Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 7865 Comm: syz-executor.2 Tainted: G W 6.1.75-syzkaller-00023-gb76ed1185975 #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: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 1a 12 11 04 f4 54 ff ff ff fa 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b RSP: 0018:ffffc90000e46d00 EFLAGS: 00000046 RAX: 0000000000000003 RBX: 1ffff920001c8da4 RCX: ffffffff84ff6d9c RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff888124bd8140 RBP: ffffc90000e46db0 R08: dffffc0000000000 R09: ffffed102497b029 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff888124bd8140 R14: 0000000000000003 R15: 1ffff920001c8da8 FS: 0000555555fa7480(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c001525000 CR3: 00000001338d8000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: 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:186 [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_map_get+0x109/0x3b0 kernel/bpf/queue_stack_maps.c:109 queue_map_peek_elem+0x1f/0x30 kernel/bpf/queue_stack_maps.c:171 bpf_prog_00798911c748094f+0x3a/0x3e bpf_dispatcher_nop_func include/linux/bpf.h:987 [inline] __bpf_prog_run include/linux/filter.h:593 [inline] bpf_prog_run include/linux/filter.h:607 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2275 [inline] bpf_trace_run2+0x1d9/0x290 kernel/trace/bpf_trace.c:2314 __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+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:186 [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_map_get+0x109/0x3b0 kernel/bpf/queue_stack_maps.c:109 queue_map_peek_elem+0x1f/0x30 kernel/bpf/queue_stack_maps.c:171 bpf_prog_00798911c748094f+0x3a/0x3e bpf_dispatcher_nop_func include/linux/bpf.h:987 [inline] __bpf_prog_run include/linux/filter.h:593 [inline] bpf_prog_run include/linux/filter.h:607 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2275 [inline] bpf_trace_run2+0x1d9/0x290 kernel/trace/bpf_trace.c:2314 __bpf_trace_ext4_es_find_extent_range_exit+0x25/0x30 include/trace/events/ext4.h:2222 __traceiter_ext4_es_find_extent_range_exit+0x77/0xd0 include/trace/events/ext4.h:2222 trace_ext4_es_find_extent_range_exit include/trace/events/ext4.h:2222 [inline] ext4_es_find_extent_range+0x273/0x320 fs/ext4/extents_status.c:324 ext4_ext_put_gap_in_cache fs/ext4/extents.c:2284 [inline] ext4_ext_map_blocks+0x233f/0x71e0 fs/ext4/extents.c:4192 ext4_map_blocks+0x3ff/0x1ca0 fs/ext4/inode.c:576 ext4_append+0x243/0x5b0 fs/ext4/namei.c:75 ext4_init_new_dir+0x33f/0x620 fs/ext4/namei.c:2981 ext4_mkdir+0x4f2/0xce0 fs/ext4/namei.c:3027 vfs_mkdir+0x398/0x570 fs/namei.c:4113 do_mkdirat+0x1eb/0x450 fs/namei.c:4138 __do_sys_mkdirat fs/namei.c:4153 [inline] __se_sys_mkdirat fs/namei.c:4151 [inline] __x64_sys_mkdirat+0x89/0xa0 fs/namei.c:4151 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f94b7a7c967 Code: 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 02 01 00 00 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:00007ffddbc10cd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007ffddbc10d60 RCX: 00007f94b7a7c967 RDX: 00000000000001ff RSI: 00007ffddbc10d60 RDI: 00000000ffffff9c RBP: 00007ffddbc10d3c R08: 0000000000000004 R09: 00007ffddbc10a76 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000032 R13: 0000000000104826 R14: 0000000000104810 R15: 0000000000000007