syzbot

 worker_thread+0xad5/0x12a0 kernel/workqueue.c:2472
 kthread+0x421/0x510 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>
watchdog: BUG: soft lockup - CPU#1 stuck for 225s! [kworker/1:1:39]
Modules linked in:
CPU: 1 PID: 39 Comm: kworker/1:1 Tainted: G        W         5.15.149-syzkaller-00490-g5d96939590c0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: events bpf_prog_free_deferred
RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline]
RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline]
RIP: 0010:kvm_wait+0x147/0x180 arch/x86/kernel/kvm.c:918
Code: 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 34 41 0f b6 45 00 44 38 f0 75 10 66 90 0f 00 2d 5b 03 f3 03 fb f4 <e9> 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c
RSP: 0018:ffffc900001d0a80 EFLAGS: 00000246
RAX: 0000000000000003 RBX: 1ffff9200003a154 RCX: ffffffff8154fa7f
RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88811865d848
RBP: ffffc900001d0b30 R08: dffffc0000000000 R09: ffffed10230cbb0a
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88811865d848 R14: 0000000000000003 R15: 1ffff9200003a158
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000010c124000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 pv_wait arch/x86/include/asm/paravirt.h:597 [inline]
 pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
 __pv_queued_spin_lock_slowpath+0x6bc/0xc40 kernel/locking/qspinlock.c:508
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [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 include/linux/spinlock.h:187 [inline]
 __raw_spin_lock include/linux/spinlock_api_smp.h:143 [inline]
 _raw_spin_lock+0x139/0x1b0 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:363 [inline]
 tcp_keepalive_timer+0x32/0xd30 net/ipv4/tcp_timer.c:703
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1427
 expire_timers kernel/time/timer.c:1472 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1743
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1756
 __do_softirq+0x26d/0x5bf kernel/softirq.c:565
 invoke_softirq kernel/softirq.c:425 [inline]
 __irq_exit_rcu+0x50/0xf0 kernel/softirq.c:648
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:660
 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:csd_lock_wait kernel/smp.c:440 [inline]
RIP: 0010:smp_call_function_many_cond+0x843/0x9b0 kernel/smp.c:969
Code: 45 8b 7d 00 44 89 fe 83 e6 01 31 ff e8 76 a8 0a 00 41 83 e7 01 49 bf 00 00 00 00 00 fc ff df 75 07 e8 b1 a4 0a 00 eb 38 f3 90 <42> 0f b6 04 3b 84 c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 95 a4
RSP: 0018:ffffc9000028f880 EFLAGS: 00000293
RAX: ffffffff8165819b RBX: 1ffff1103ee07971 RCX: ffff8881081fcf00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000028f988 R08: ffffffff8165816a R09: ffffc9000028f7c0
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff8881f703cb88 R14: ffff8881f7138280 R15: dffffc0000000000
 on_each_cpu_cond_mask+0x40/0x80 kernel/smp.c:1135
 on_each_cpu include/linux/smp.h:71 [inline]
 flush_tlb_kernel_range+0x49/0x210 arch/x86/mm/tlb.c:1026
 __purge_vmap_area_lazy+0x230/0x1690 mm/vmalloc.c:1694
 _vm_unmap_aliases+0x339/0x3b0 mm/vmalloc.c:2118
 vm_remove_mappings mm/vmalloc.c:2611 [inline]
 __vunmap+0x617/0x8f0 mm/vmalloc.c:2642
 __vfree mm/vmalloc.c:2700 [inline]
 vfree+0x7f/0xb0 mm/vmalloc.c:2731
 module_memfree+0x17/0x30 kernel/module.c:2150
 bpf_jit_free_exec+0x15/0x20 kernel/bpf/core.c:867
 bpf_jit_binary_free kernel/bpf/core.c:914 [inline]
 bpf_jit_free+0x98/0x240 kernel/bpf/core.c:927
 bpf_prog_free_deferred+0x61e/0x730 kernel/bpf/core.c:2296
 process_one_work+0x6bb/0xc10 kernel/workqueue.c:2325
 worker_thread+0xad5/0x12a0 kernel/workqueue.c:2472
 kthread+0x421/0x510 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 328 Comm: udevd Tainted: G        W         5.15.149-syzkaller-00490-g5d96939590c0 #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:912
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 8a 03 f3 03 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:ffffc90000007640 EFLAGS: 00000046
RAX: 0000000000000003 RBX: 1ffff92000000ecc RCX: ffffffff8154fa7f
RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff8881f7027900
RBP: ffffc900000076f0 R08: dffffc0000000000 R09: ffffed103ee04f21
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff8881f7027900 R14: 0000000000000003 R15: 1ffff92000000ed0
FS:  00007f95341e8c80(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc9a64d7130 CR3: 0000000128139000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 pv_wait arch/x86/include/asm/paravirt.h:597 [inline]
 pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
 __pv_queued_spin_lock_slowpath+0x6bc/0xc40 kernel/locking/qspinlock.c:508
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [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:199 [inline]
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:119 [inline]
 _raw_spin_lock_irqsave+0x1a0/0x210 kernel/locking/spinlock.c:162
 lock_timer_base+0x12f/0x270 kernel/time/timer.c:952
 __mod_timer+0x685/0xcf0 kernel/time/timer.c:999
 mod_timer+0x1f/0x30 kernel/time/timer.c:1114
 sk_reset_timer+0x22/0xb0 net/core/sock.c:3141
 inet_csk_reset_xmit_timer include/net/inet_connection_sock.h:237 [inline]
 tcp_reset_xmit_timer include/net/tcp.h:1324 [inline]
 tcp_rearm_rto+0x2d6/0x390 net/ipv4/tcp_input.c:3190
 tcp_event_new_data_sent+0x242/0x3f0 net/ipv4/tcp_output.c:81
 tcp_write_xmit+0x146d/0x5e80 net/ipv4/tcp_output.c:2712
 tcp_tsq_write+0x228/0x330 net/ipv4/tcp_output.c:1019
 tcp_tsq_handler+0xa9/0x150 net/ipv4/tcp_output.c:1028
 tcp_tasklet_func+0x436/0x4b0 net/ipv4/tcp_output.c:1060
 tasklet_action_common+0x22e/0x610 kernel/softirq.c:796
 tasklet_action+0x4c/0x60 kernel/softirq.c:821
 __do_softirq+0x26d/0x5bf kernel/softirq.c:565
 do_softirq+0xf6/0x150 kernel/softirq.c:452
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0x75/0x80 kernel/softirq.c:379
 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:176 [inline]
 _raw_spin_unlock_bh+0x51/0x60 kernel/locking/spinlock.c:210
 sock_hash_delete_elem+0x2a2/0x2f0 net/core/sock_map.c:945
 bpf_prog_2c29ac5cdc6b1842+0x3a/0xd10
 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline]
 __bpf_prog_run include/linux/filter.h:625 [inline]
 bpf_prog_run include/linux/filter.h:632 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:1883 [inline]
 bpf_trace_run3+0x11e/0x250 kernel/trace/bpf_trace.c:1921
 __bpf_trace_timer_start+0x2b/0x40 include/trace/events/timer.h:52
 trace_timer_start include/trace/events/timer.h:52 [inline]
 enqueue_timer+0x351/0x4c0 kernel/time/timer.c:592
 internal_add_timer kernel/time/timer.c:617 [inline]
 __mod_timer+0x8d3/0xcf0 kernel/time/timer.c:1068
 add_timer+0x68/0x80 kernel/time/timer.c:1150
 __queue_delayed_work+0x16d/0x1f0 kernel/workqueue.c:1697
 queue_delayed_work_on+0x10f/0x180 kernel/workqueue.c:1722
 queue_delayed_work include/linux/workqueue.h:525 [inline]
 fsnotify_put_mark+0x7e9/0x900 fs/notify/mark.c:300
 __do_sys_inotify_rm_watch fs/notify/inotify/inotify_user.c:817 [inline]
 __se_sys_inotify_rm_watch+0x16d/0x230 fs/notify/inotify/inotify_user.c:791
 __x64_sys_inotify_rm_watch+0x5b/0x70 fs/notify/inotify/inotify_user.c:791
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f9534320f77
Code: 73 01 c3 48 8b 0d b1 ce 0c 00 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 ff 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 81 ce 0c 00 f7 d8 64 89 01 48
RSP: 002b:00007ffed72cd5d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ff
RAX: ffffffffffffffda RBX: 0000562ddf443120 RCX: 00007f9534320f77
RDX: 0000000000000007 RSI: 0000000000000025 RDI: 0000000000000007
RBP: 0000562ddfc560b0 R08: 0000000000000006 R09: a257d94accb13bb5
R10: 0000000000000010 R11: 0000000000000246 R12: 0000000000000025
R13: 00007ffed72cd5e8 R14: 0000000003938700 R15: 0000562ddf443160
 </TASK>