watchdog: BUG: soft lockup - CPU#1 stuck for 143s! [klogd:89] Modules linked in: CPU: 1 PID: 89 Comm: klogd Not tainted 5.15.157-syzkaller-1070873-g38761ec9fc9e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 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 ab ec 12 04 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c RSP: 0018:ffffc900001d0480 EFLAGS: 00000246 RAX: 0000000000000003 RBX: 1ffff9200003a094 RCX: ffffffff81552fff RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88810becafa8 RBP: ffffc900001d0530 R08: dffffc0000000000 R09: ffffed10217d95f6 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff88810becafa8 R14: 0000000000000003 R15: 1ffff9200003a098 FS: 00007f0397b10380(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005630dc568018 CR3: 000000010cb4d000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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_bh include/linux/spinlock_api_smp.h:136 [inline] _raw_spin_lock_bh+0x139/0x1b0 kernel/locking/spinlock.c:178 sock_hash_delete_elem+0x177/0x400 net/core/sock_map.c:943 bpf_prog_2c29ac5cdc6b1842+0x3a/0xfc8 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run2+0xec/0x210 kernel/trace/bpf_trace.c:1917 __bpf_trace_kfree+0x6f/0x90 include/trace/events/kmem.h:118 trace_kfree include/trace/events/kmem.h:118 [inline] kfree+0x1f3/0x220 mm/slub.c:4569 sk_psock_free_link include/linux/skmsg.h:420 [inline] sock_map_del_link net/core/sock_map.c:160 [inline] sock_map_unref+0x352/0x4d0 net/core/sock_map.c:182 sock_hash_delete_elem+0x388/0x400 net/core/sock_map.c:947 bpf_prog_2c29ac5cdc6b1842+0x3a/0xfc8 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run2+0xec/0x210 kernel/trace/bpf_trace.c:1917 __bpf_trace_kfree+0x6f/0x90 include/trace/events/kmem.h:118 trace_kfree include/trace/events/kmem.h:118 [inline] kfree+0x1f3/0x220 mm/slub.c:4569 free_fib_info_rcu+0x13c/0x180 net/ipv4/fib_semantics.c:245 rcu_do_batch+0x57a/0xc10 kernel/rcu/tree.c:2523 rcu_core+0x517/0x1020 kernel/rcu/tree.c:2763 rcu_core_si+0x9/0x10 kernel/rcu/tree.c:2776 __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_call_function_single+0x97/0xb0 arch/x86/kernel/smp.c:243 asm_sysvec_call_function_single+0x1b/0x20 arch/x86/include/asm/idtentry.h:646 RIP: 0010:number+0x2c0/0xf80 lib/vsprintf.c:495 Code: 24 0f b6 db 4c 89 f7 48 89 de e8 fb b3 e7 fe 49 39 de 4c 89 64 24 20 48 89 5c 24 48 73 56 e8 d7 b1 e7 fe 49 8d 9e c0 f9 a2 85 <48> 89 d8 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 15 0c 00 00 0f b6 RSP: 0018:ffffc900009d76c0 EFLAGS: 00000293 RAX: ffffffff8288b8f9 RBX: ffffffff85a2f9c5 RCX: ffff88810cb9e2c0 RDX: 0000000000000000 RSI: 000000000000000a RDI: 0000000000000005 RBP: ffffc900009d77d0 R08: ffffffff8288b8e5 R09: ffffc900009d7740 R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000ffff0a00 R13: dffffc0000000000 R14: 0000000000000005 R15: ffffc900009d7b81 vsnprintf+0x12b6/0x1c70 lib/vsprintf.c:2877 sprintf+0xd6/0x120 lib/vsprintf.c:3013 print_syslog kernel/printk/printk.c:1276 [inline] info_print_prefix+0xe1/0x510 kernel/printk/printk.c:1309 record_print_text kernel/printk/printk.c:1361 [inline] syslog_print+0x49c/0x990 kernel/printk/printk.c:1572 do_syslog+0x340/0x830 kernel/printk/printk.c:1691 __do_sys_syslog kernel/printk/printk.c:1783 [inline] __se_sys_syslog kernel/printk/printk.c:1781 [inline] __x64_sys_syslog+0x7c/0x90 kernel/printk/printk.c:1781 x64_sys_call+0x2f9/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:104 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f0397c71fa7 Code: 73 01 c3 48 8b 0d 81 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 67 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 51 ce 0c 00 f7 d8 64 89 01 48 RSP: 002b:00007ffc67338a58 EFLAGS: 00000206 ORIG_RAX: 0000000000000067 RAX: ffffffffffffffda RBX: 00007f0397e104a0 RCX: 00007f0397c71fa7 RDX: 00000000000003ff RSI: 00007f0397e104a0 RDI: 0000000000000002 RBP: 0000000000000000 R08: 0000000000000004 R09: cd3ea6594c71f62c R10: 0000000000004000 R11: 0000000000000206 R12: 00007f0397e104a0 R13: 00007f0397e00212 R14: 00007f0397e1057c R15: 00007f0397e1057c Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 365 Comm: syz-executor.0 Not tainted 5.15.157-syzkaller-1070873-g38761ec9fc9e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 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 ab ec 12 04 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c RSP: 0018:ffffc90000ae78c0 EFLAGS: 00000246 RAX: 0000000000000003 RBX: 1ffff9200015cf1c RCX: ffffffff81552fff RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff888122a73090 RBP: ffffc90000ae7970 R08: dffffc0000000000 R09: ffffed102454e613 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff888122a73090 R14: 0000000000000003 R15: 1ffff9200015cf20 FS: 000055555604c480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdf51bc40c0 CR3: 00000001229fe000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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_bh include/linux/spinlock_api_smp.h:136 [inline] _raw_spin_lock_bh+0x139/0x1b0 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:368 [inline] sk_psock_link_pop+0x2e/0x170 net/core/skmsg.c:753 sock_map_remove_links+0x7f/0x650 net/core/sock_map.c:1510 sock_map_close+0x2ac/0x4c0 net/core/sock_map.c:1552 inet_release+0x184/0x200 net/ipv4/af_inet.c:434 __sock_release net/socket.c:649 [inline] sock_close+0xdf/0x270 net/socket.c:1336 __fput+0x3fe/0x910 fs/file_table.c:280 ____fput+0x15/0x20 fs/file_table.c:308 task_work_run+0x129/0x190 kernel/task_work.c:164 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0xc4/0xe0 kernel/entry/common.c:181 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:307 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fdf51a98d9a 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:00007ffc207e2760 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000005 RCX: 00007fdf51a98d9a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007fdf51bc9980 R08: 00007fdf51a1c000 R09: 0000000000000001 R10: 0000000000000001 R11: 0000000000000293 R12: 000000000000b568 R13: 000000000000b342 R14: 00007ffc207e2920 R15: 00007fdf51a50cb0