watchdog: BUG: soft lockup - CPU#0 stuck for 225s! [syz-executor.1:3886] Modules linked in: CPU: 0 PID: 3886 Comm: syz-executor.1 Not tainted 5.15.149-syzkaller-00131-g79bd336c7a94 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 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 cb 03 f3 03 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:ffffc90000cef520 EFLAGS: 00000246 RAX: 0000000000000001 RBX: 1ffff9200019dea8 RCX: 1ffffffff0d1aa9c RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff8881f7038ad4 RBP: ffffc90000cef5d0 R08: dffffc0000000000 R09: ffffed103ee0715b R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff8881f7038ad4 R14: 0000000000000001 R15: 1ffff9200019deac FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2ee24000 CR3: 000000000680f000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: pv_wait arch/x86/include/asm/paravirt.h:597 [inline] pv_wait_node kernel/locking/qspinlock_paravirt.h:325 [inline] __pv_queued_spin_lock_slowpath+0x41b/0xc40 kernel/locking/qspinlock.c:473 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_map_delete net/core/sock_map.c:416 [inline] sock_map_delete_elem+0x99/0x130 net/core/sock_map.c:448 bpf_prog_107af3efe6330ca3+0x3a/0xfbc 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: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 kvfree+0x35/0x40 mm/util.c:664 __free_fdtable fs/file.c:36 [inline] put_files_struct+0x284/0x320 fs/file.c:451 exit_files+0x80/0xa0 fs/file.c:464 do_exit+0xc11/0x2ca0 kernel/exit.c:873 do_group_exit+0x141/0x310 kernel/exit.c:1000 get_signal+0x7a3/0x1630 kernel/signal.c:2896 arch_do_signal_or_restart+0xbd/0x1680 arch/x86/kernel/signal.c:867 handle_signal_work kernel/entry/common.c:148 [inline] exit_to_user_mode_loop+0xa0/0xe0 kernel/entry/common.c:172 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:208 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline] syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:301 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f35ea051f69 Code: Unable to access opcode bytes at RIP 0x7f35ea051f3f. RSP: 002b:00007f35e93cc178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f35ea188f88 RCX: 00007f35ea051f69 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f35ea188f88 RBP: 00007f35ea188f80 R08: 00007f35e93cc6c0 R09: 00007f35e93cc6c0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f35ea188f8c R13: 000000000000000b R14: 00007ffcfe361220 R15: 00007ffcfe361308 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 3891 Comm: syz-executor.2 Not tainted 5.15.149-syzkaller-00131-g79bd336c7a94 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 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 cb 03 f3 03 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:ffffc90000cdf2a0 EFLAGS: 00000246 RAX: 0000000000000003 RBX: 1ffff9200019be58 RCX: ffffffff8154fa3f RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff888127f07928 RBP: ffffc90000cdf350 R08: dffffc0000000000 R09: ffffed1024fe0f26 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff888127f07928 R14: 0000000000000003 R15: 1ffff9200019be5c FS: 00007f25383556c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000010f572000 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_map_delete net/core/sock_map.c:416 [inline] sock_map_delete_elem+0x99/0x130 net/core/sock_map.c:448 bpf_prog_107af3efe6330ca3+0x3a/0xfbc 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: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_map_delete net/core/sock_map.c:422 [inline] sock_map_delete_elem+0xc1/0x130 net/core/sock_map.c:448 bpf_prog_107af3efe6330ca3+0x3a/0xfbc 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: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 context_destroy security/selinux/ss/context.h:177 [inline] security_compute_sid+0x1d7d/0x1f40 security/selinux/ss/services.c:1913 security_transition_sid+0x7d/0x90 security/selinux/ss/services.c:1936 socket_sockcreate_sid security/selinux/hooks.c:4677 [inline] selinux_socket_create+0x204/0x330 security/selinux/hooks.c:4711 security_socket_create+0x77/0xb0 security/security.c:2215 __sock_create+0xd6/0x760 net/socket.c:1441 sock_create net/socket.c:1537 [inline] __sys_socketpair+0x29f/0x6e0 net/socket.c:1637 __do_sys_socketpair net/socket.c:1690 [inline] __se_sys_socketpair net/socket.c:1687 [inline] __x64_sys_socketpair+0x9b/0xb0 net/socket.c:1687 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: 0033:0x7f2538fdaf69 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f25383550c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f2539111f80 RCX: 00007f2538fdaf69 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000001 RBP: 00007f25390386fe R08: 0000000000000000 R09: 0000000000000000 R10: 00000000200002c0 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f2539111f80 R15: 00007ffc02f65888