DUID 00:04:44:a1:cc:04:5c:3e:78:04:ca:db:ff:41:5b:7c:ae:03 forked to background, child pid 3215 [ 28.140242][ T3216] 8021q: adding VLAN 0 to HW filter on device bond0 [ 28.154513][ T3216] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.228' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 50.322140][ C0] hrtimer: interrupt took 28409 ns executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 50.397643][ T3562] ------------[ cut here ]------------ [ 50.403354][ T3562] unexpected event refcount: 2; ptr=ffff888075a670d0 [ 50.410249][ T3562] WARNING: CPU: 0 PID: 3562 at kernel/events/core.c:5073 perf_event_release_kernel+0x794/0x870 [ 50.420776][ T3562] Modules linked in: [ 50.424746][ T3562] CPU: 0 PID: 3562 Comm: syz-executor417 Not tainted 6.1.69-syzkaller #0 [ 50.433283][ T3562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 executing program executing program executing program executing program [ 50.443672][ T3562] RIP: 0010:perf_event_release_kernel+0x794/0x870 [ 50.450113][ T3562] Code: 00 fc ff df 80 3c 08 00 48 8b 5c 24 20 74 08 4c 89 e7 e8 0f 66 32 00 49 8b 34 24 48 c7 c7 00 9f f4 8a 4c 89 fa e8 1c f2 a2 ff <0f> 0b eb 82 e8 03 05 db ff eb 05 e8 fc 04 db ff 4c 8b 7c 24 18 49 [ 50.469806][ T3562] RSP: 0018:ffffc9000395f700 EFLAGS: 00010246 [ 50.476035][ T3562] RAX: 4ee83116101dbe00 RBX: ffffc9000395f780 RCX: ffff888076655940 [ 50.484092][ T3562] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 executing program executing program executing program executing program executing program [ 50.492141][ T3562] RBP: ffffc9000395f7e8 R08: ffffffff81527dae R09: ffffed1017324f1c [ 50.500167][ T3562] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888075a672f8 [ 50.508270][ T3562] R13: 1ffff1100eb4ce74 R14: dead000000000100 R15: ffff888075a670d0 [ 50.516293][ T3562] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 50.525315][ T3562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.531956][ T3562] CR2: 00000000200000cc CR3: 000000000ce8e000 CR4: 00000000003506f0 [ 50.540048][ T3562] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 executing program [ 50.548099][ T3562] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 50.556132][ T3562] Call Trace: [ 50.559421][ T3562] [ 50.562435][ T3562] ? __warn+0x15a/0x520 [ 50.566607][ T3562] ? perf_event_release_kernel+0x794/0x870 [ 50.572462][ T3562] ? report_bug+0x2af/0x500 [ 50.577000][ T3562] ? perf_event_release_kernel+0x794/0x870 [ 50.582911][ T3562] ? handle_bug+0x3d/0x70 [ 50.587263][ T3562] ? exc_invalid_op+0x16/0x40 [ 50.591968][ T3562] ? asm_exc_invalid_op+0x16/0x20 executing program executing program executing program executing program executing program [ 50.597099][ T3562] ? __warn_printk+0x28e/0x350 [ 50.601919][ T3562] ? perf_event_release_kernel+0x794/0x870 [ 50.607801][ T3562] ? calc_timer_values+0x420/0x420 [ 50.612993][ T3562] ? ima_file_free+0xe8/0x3c0 [ 50.617697][ T3562] perf_release+0x37/0x40 [ 50.622164][ T3562] ? perf_mmap+0x1380/0x1380 [ 50.626781][ T3562] __fput+0x3b7/0x890 [ 50.630791][ T3562] task_work_run+0x246/0x300 [ 50.635532][ T3562] ? task_work_cancel+0x2b0/0x2b0 [ 50.640585][ T3562] ? exit_task_namespaces+0xdd/0xf0 executing program executing program [ 50.645846][ T3562] do_exit+0xa73/0x26a0 [ 50.650027][ T3562] ? nfs_ssc_unregister+0x30/0x30 [ 50.655169][ T3562] ? put_task_struct+0x80/0x80 [ 50.659979][ T3562] do_group_exit+0x202/0x2b0 [ 50.664639][ T3562] ? _raw_spin_unlock_irq+0x1f/0x40 [ 50.669891][ T3562] ? lockdep_hardirqs_on+0x94/0x130 [ 50.675150][ T3562] get_signal+0x16f7/0x17d0 [ 50.679689][ T3562] ? ptrace_notify+0x370/0x370 [ 50.684544][ T3562] ? __lock_acquire+0x125b/0x1f80 [ 50.689597][ T3562] arch_do_signal_or_restart+0xb0/0x1a10 executing program executing program executing program [ 50.695291][ T3562] ? read_lock_is_recursive+0x10/0x10 [ 50.700691][ T3562] ? get_sigframe_size+0x10/0x10 [ 50.705681][ T3562] ? exit_to_user_mode_loop+0x39/0x100 [ 50.711159][ T3562] exit_to_user_mode_loop+0x6a/0x100 [ 50.716551][ T3562] exit_to_user_mode_prepare+0xb1/0x140 [ 50.722173][ T3562] syscall_exit_to_user_mode+0x60/0x270 [ 50.727745][ T3562] ret_from_fork+0x15/0x30 [ 50.732246][ T3562] RIP: 0033:0x7fc58bd74bf9 [ 50.736675][ T3562] Code: Unable to access opcode bytes at 0x7fc58bd74bcf. executing program executing program executing program [ 50.743798][ T3562] RSP: 002b:00007ffe35817968 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 50.752341][ T3562] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc58bd74bf9 [ 50.760358][ T3562] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000200 [ 50.768382][ T3562] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 50.776422][ T3562] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 50.784452][ T3562] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 50.792500][ T3562] [ 50.795550][ T3562] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 50.802832][ T3562] CPU: 0 PID: 3562 Comm: syz-executor417 Not tainted 6.1.69-syzkaller #0 [ 50.811233][ T3562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 50.821275][ T3562] Call Trace: [ 50.824633][ T3562] [ 50.827557][ T3562] dump_stack_lvl+0x1e3/0x2cb [ 50.832236][ T3562] ? nf_tcp_handle_invalid+0x642/0x642 [ 50.837690][ T3562] ? panic+0x75d/0x75d [ 50.841751][ T3562] ? vscnprintf+0x59/0x80 [ 50.846074][ T3562] panic+0x318/0x75d [ 50.849964][ T3562] ? __warn+0x169/0x520 [ 50.854112][ T3562] ? memcpy_page_flushcache+0xfc/0xfc [ 50.859499][ T3562] __warn+0x348/0x520 [ 50.863479][ T3562] ? perf_event_release_kernel+0x794/0x870 [ 50.869364][ T3562] report_bug+0x2af/0x500 [ 50.873689][ T3562] ? perf_event_release_kernel+0x794/0x870 [ 50.879491][ T3562] handle_bug+0x3d/0x70 [ 50.883649][ T3562] exc_invalid_op+0x16/0x40 [ 50.888148][ T3562] asm_exc_invalid_op+0x16/0x20 [ 50.892996][ T3562] RIP: 0010:perf_event_release_kernel+0x794/0x870 [ 50.899404][ T3562] Code: 00 fc ff df 80 3c 08 00 48 8b 5c 24 20 74 08 4c 89 e7 e8 0f 66 32 00 49 8b 34 24 48 c7 c7 00 9f f4 8a 4c 89 fa e8 1c f2 a2 ff <0f> 0b eb 82 e8 03 05 db ff eb 05 e8 fc 04 db ff 4c 8b 7c 24 18 49 [ 50.919022][ T3562] RSP: 0018:ffffc9000395f700 EFLAGS: 00010246 [ 50.925098][ T3562] RAX: 4ee83116101dbe00 RBX: ffffc9000395f780 RCX: ffff888076655940 [ 50.933071][ T3562] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 50.941073][ T3562] RBP: ffffc9000395f7e8 R08: ffffffff81527dae R09: ffffed1017324f1c [ 50.949038][ T3562] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888075a672f8 [ 50.957012][ T3562] R13: 1ffff1100eb4ce74 R14: dead000000000100 R15: ffff888075a670d0 [ 50.964981][ T3562] ? __warn_printk+0x28e/0x350 [ 50.969758][ T3562] ? calc_timer_values+0x420/0x420 [ 50.974865][ T3562] ? ima_file_free+0xe8/0x3c0 [ 50.979537][ T3562] perf_release+0x37/0x40 [ 50.983877][ T3562] ? perf_mmap+0x1380/0x1380 [ 50.988472][ T3562] __fput+0x3b7/0x890 [ 50.992456][ T3562] task_work_run+0x246/0x300 [ 50.997044][ T3562] ? task_work_cancel+0x2b0/0x2b0 [ 51.002068][ T3562] ? exit_task_namespaces+0xdd/0xf0 [ 51.007261][ T3562] do_exit+0xa73/0x26a0 [ 51.011413][ T3562] ? nfs_ssc_unregister+0x30/0x30 [ 51.016434][ T3562] ? put_task_struct+0x80/0x80 [ 51.021204][ T3562] do_group_exit+0x202/0x2b0 [ 51.025790][ T3562] ? _raw_spin_unlock_irq+0x1f/0x40 [ 51.030984][ T3562] ? lockdep_hardirqs_on+0x94/0x130 [ 51.036176][ T3562] get_signal+0x16f7/0x17d0 [ 51.040685][ T3562] ? ptrace_notify+0x370/0x370 [ 51.045443][ T3562] ? __lock_acquire+0x125b/0x1f80 [ 51.050470][ T3562] arch_do_signal_or_restart+0xb0/0x1a10 [ 51.056112][ T3562] ? read_lock_is_recursive+0x10/0x10 [ 51.061666][ T3562] ? get_sigframe_size+0x10/0x10 [ 51.066614][ T3562] ? exit_to_user_mode_loop+0x39/0x100 [ 51.072081][ T3562] exit_to_user_mode_loop+0x6a/0x100 [ 51.077364][ T3562] exit_to_user_mode_prepare+0xb1/0x140 [ 51.082911][ T3562] syscall_exit_to_user_mode+0x60/0x270 [ 51.088452][ T3562] ret_from_fork+0x15/0x30 [ 51.092862][ T3562] RIP: 0033:0x7fc58bd74bf9 [ 51.097265][ T3562] Code: Unable to access opcode bytes at 0x7fc58bd74bcf. [ 51.104268][ T3562] RSP: 002b:00007ffe35817968 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 51.112692][ T3562] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fc58bd74bf9 [ 51.120685][ T3562] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000200 [ 51.128663][ T3562] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000006 [ 51.136718][ T3562] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 51.144683][ T3562] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001 [ 51.152829][ T3562] [ 51.155921][ T3562] Kernel Offset: disabled [ 51.160285][ T3562] Rebooting in 86400 seconds..