./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor421672992 <...> Warning: Permanently added '10.128.0.131' (ED25519) to the list of known hosts. execve("./syz-executor421672992", ["./syz-executor421672992"], 0x7ffc7ffec830 /* 10 vars */) = 0 brk(NULL) = 0x555555d64000 brk(0x555555d64d00) = 0x555555d64d00 arch_prctl(ARCH_SET_FS, 0x555555d64380) = 0 set_tid_address(0x555555d64650) = 5055 set_robust_list(0x555555d64660, 24) = 0 rseq(0x555555d64ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor421672992", 4096) = 27 getrandom("\xe8\xd1\x06\x72\x2b\x5e\xe1\x48", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555d64d00 brk(0x555555d85d00) = 0x555555d85d00 brk(0x555555d86000) = 0x555555d86000 mprotect(0x7fc278a5d000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5056 attached , child_tidptr=0x555555d64650) = 5056 [pid 5056] set_robust_list(0x555555d64660, 24) = 0 [pid 5056] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5056] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5056] setsid() = 1 [pid 5056] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5056] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5056] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5056] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5056] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5056] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5056] unshare(CLONE_NEWNS) = 0 [pid 5056] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5056] unshare(CLONE_NEWIPC) = 0 [pid 5056] unshare(CLONE_NEWCGROUP) = 0 [pid 5056] unshare(CLONE_NEWUTS) = 0 [pid 5056] unshare(CLONE_SYSVSEM) = 0 [pid 5056] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5056] write(3, "16777216", 8) = 8 [pid 5056] close(3) = 0 [pid 5056] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5056] write(3, "536870912", 9) = 9 [pid 5056] close(3) = 0 [pid 5056] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5056] write(3, "1024", 4) = 4 [pid 5056] close(3) = 0 [pid 5056] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5056] write(3, "8192", 4) = 4 [pid 5056] close(3) = 0 [pid 5056] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5056] write(3, "1024", 4) = 4 [pid 5056] close(3) = 0 [pid 5056] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5056] write(3, "1024", 4) = 4 [pid 5056] close(3) = 0 [pid 5056] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5056] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5056] close(3) = 0 [pid 5056] getpid() = 1 [pid 5056] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b 90 90 e9 68 f3 ff ff e8 e4 07 fe fd 90 48 c7 c7 60 a7 aa 8b [ 56.764374][ T5056] RSP: 0018:ffffc90003966fe0 EFLAGS: 00010246 [ 56.770460][ T5056] RAX: 938b131330c25300 RBX: ffff88805ff9c001 RCX: ffff888014f6bb80 [ 56.778516][ T5056] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 56.786586][ T5056] RBP: ffffc900039671c0 R08: ffffffff81546d22 R09: 1ffff9200072cd50 [ 56.794618][ T5056] R10: dffffc0000000000 R11: fffff5200072cd51 R12: dffffc0000000000 [ 56.803057][ T5056] R13: 00000000fffffffe R14: 0000000000000000 R15: ffff88807b6934a0 [ 56.811074][ T5056] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 56.820206][ T5056] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.826848][ T5056] CR2: 00007fc278a2cdb8 CR3: 000000000d731000 CR4: 00000000003506f0 [ 56.834894][ T5056] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.842928][ T5056] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.850891][ T5056] Call Trace: [ 56.854209][ T5056] [ 56.857248][ T5056] ? __warn+0x162/0x4b0 [ 56.861426][ T5056] ? __btrfs_free_extent+0x320e/0x3910 [ 56.866970][ T5056] ? report_bug+0x2b3/0x500 [ 56.871509][ T5056] ? __btrfs_free_extent+0x320e/0x3910 [ 56.877043][ T5056] ? handle_bug+0x3e/0x60 [ 56.881408][ T5056] ? exc_invalid_op+0x1a/0x50 [ 56.886173][ T5056] ? asm_exc_invalid_op+0x1a/0x20 [ 56.891299][ T5056] ? __warn_printk+0x292/0x360 [ 56.896121][ T5056] ? __btrfs_free_extent+0x320e/0x3910 [ 56.901720][ T5056] ? __btrfs_inc_extent_ref+0x610/0x610 [ 56.907355][ T5056] ? __btrfs_run_delayed_refs+0x9d0/0x46c0 [ 56.913308][ T5056] ? __lock_acquire+0x1fd0/0x1fd0 [ 56.918327][ T5056] ? do_raw_read_unlock+0x3c/0x80 [ 56.923461][ T5056] ? do_raw_spin_unlock+0x13b/0x8b0 [ 56.928691][ T5056] __btrfs_run_delayed_refs+0x130d/0x46c0 [ 56.934506][ T5056] ? btrfs_run_delayed_refs+0x2c0/0x2c0 [ 56.940048][ T5056] ? __might_sleep+0xe0/0xe0 [ 56.944699][ T5056] ? btrfs_start_dirty_block_groups+0xca5/0x10d0 [ 56.951038][ T5056] ? __lock_acquire+0x1fd0/0x1fd0 [ 56.956125][ T5056] ? rcu_is_watching+0x15/0xb0 [ 56.960921][ T5056] ? trace_contention_end+0x3c/0x100 [ 56.966284][ T5056] ? do_raw_spin_unlock+0x13b/0x8b0 [ 56.971497][ T5056] ? mutex_unlock+0x10/0x10 [ 56.976088][ T5056] btrfs_run_delayed_refs+0xe3/0x2c0 [ 56.981401][ T5056] btrfs_start_dirty_block_groups+0xcaf/0x10d0 [ 56.987648][ T5056] ? cache_save_setup+0xb20/0xb20 [ 56.992722][ T5056] ? btrfs_run_delayed_refs+0x110/0x2c0 [ 56.998698][ T5056] btrfs_commit_transaction+0x6b2/0x3740 [ 57.004428][ T5056] ? btrfs_commit_transaction+0x17b/0x3740 [ 57.010268][ T5056] ? __asan_memset+0x23/0x40 [ 57.014906][ T5056] ? lockdep_init_map_type+0xa1/0x900 [ 57.020301][ T5056] ? btrfs_commit_transaction_async+0x480/0x480 [ 57.026638][ T5056] ? join_transaction+0x401/0xcf0 [ 57.031685][ T5056] ? btrfs_record_root_in_trans+0x92/0x180 [ 57.037577][ T5056] ? start_transaction+0x3dc/0x1780 [ 57.042888][ T5056] ? btrfs_attach_transaction_barrier+0x34/0xa0 [ 57.049129][ T5056] ? btrfs_sync_fs+0x1be/0x6d0 [ 57.053932][ T5056] sync_filesystem+0x1c0/0x220 [ 57.058725][ T5056] generic_shutdown_super+0x72/0x2c0 [ 57.064072][ T5056] kill_anon_super+0x3b/0x70 [ 57.068657][ T5056] btrfs_kill_super+0x41/0x50 [ 57.073372][ T5056] deactivate_locked_super+0xc1/0x130 [ 57.078756][ T5056] cleanup_mnt+0x426/0x4c0 [ 57.083245][ T5056] ? _raw_spin_unlock_irq+0x23/0x50 [ 57.088460][ T5056] task_work_run+0x24a/0x300 [ 57.093093][ T5056] ? kasan_quarantine_put+0xd8/0x230 [ 57.098397][ T5056] ? task_work_cancel+0x2b0/0x2b0 [ 57.103488][ T5056] ? kmem_cache_free+0x299/0x470 [ 57.108447][ T5056] ? do_exit+0xa27/0x2740 [ 57.112825][ T5056] do_exit+0xa2c/0x2740 [ 57.117001][ T5056] ? put_task_struct+0xb0/0xb0 [ 57.121760][ T5056] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 57.127809][ T5056] ? print_irqtrace_events+0x220/0x220 [ 57.133322][ T5056] ? _raw_spin_unlock_irq+0x23/0x50 [ 57.138536][ T5056] ? lockdep_hardirqs_on+0x98/0x140 [ 57.143815][ T5056] do_group_exit+0x206/0x2c0 [ 57.148422][ T5056] __x64_sys_exit_group+0x3f/0x40 [ 57.153495][ T5056] do_syscall_64+0x45/0x110 [ 57.158018][ T5056] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 57.163972][ T5056] RIP: 0033:0x7fc2789e2849 [ 57.168398][ T5056] Code: Unable to access opcode bytes at 0x7fc2789e281f. [ 57.175481][ T5056] RSP: 002b:00007fff0505d378 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 57.183981][ T5056] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fc2789e2849 [ 57.191964][ T5056] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 57.199975][ T5056] RBP: 00007fc278a632d0 R08: ffffffffffffffb8 R09: 00007fff0505d450 [ 57.208002][ T5056] R10: 00007fff0505d450 R11: 0000000000000246 R12: 00007fc278a632d0 [ 57.216007][ T5056] R13: 0000000000000000 R14: 00007fc278a64040 R15: 00007fc2789b0d80 [ 57.224037][ T5056] [ 57.227049][ T5056] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 57.234314][ T5056] CPU: 0 PID: 5056 Comm: syz-executor421 Not tainted 6.7.0-rc8-syzkaller-00177-g52b1853b080a #0 [ 57.244709][ T5056] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 57.254752][ T5056] Call Trace: [ 57.258019][ T5056] [ 57.260936][ T5056] dump_stack_lvl+0x1e7/0x2d0 [ 57.265610][ T5056] ? nf_tcp_handle_invalid+0x650/0x650 [ 57.271057][ T5056] ? panic+0x850/0x850 [ 57.275115][ T5056] ? vscnprintf+0x5d/0x80 [ 57.279434][ T5056] panic+0x349/0x850 [ 57.283316][ T5056] ? __warn+0x171/0x4b0 [ 57.287457][ T5056] ? __memcpy_flushcache+0x2b0/0x2b0 [ 57.292740][ T5056] __warn+0x318/0x4b0 [ 57.296707][ T5056] ? __btrfs_free_extent+0x320e/0x3910 [ 57.302153][ T5056] report_bug+0x2b3/0x500 [ 57.306469][ T5056] ? __btrfs_free_extent+0x320e/0x3910 [ 57.311913][ T5056] handle_bug+0x3e/0x60 [ 57.316056][ T5056] exc_invalid_op+0x1a/0x50 [ 57.320544][ T5056] asm_exc_invalid_op+0x1a/0x20 [ 57.325377][ T5056] RIP: 0010:__btrfs_free_extent+0x320e/0x3910 [ 57.331429][ T5056] Code: aa 8b 44 89 ee e8 b2 f8 c3 fd 90 0f 0b 90 90 e9 5a f3 ff ff e8 03 08 fe fd 90 48 c7 c7 60 a7 aa 8b 44 89 ee e8 93 f8 c3 fd 90 <0f> 0b 90 90 e9 68 f3 ff ff e8 e4 07 fe fd 90 48 c7 c7 60 a7 aa 8b [ 57.351027][ T5056] RSP: 0018:ffffc90003966fe0 EFLAGS: 00010246 [ 57.357090][ T5056] RAX: 938b131330c25300 RBX: ffff88805ff9c001 RCX: ffff888014f6bb80 [ 57.365054][ T5056] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 57.373017][ T5056] RBP: ffffc900039671c0 R08: ffffffff81546d22 R09: 1ffff9200072cd50 [ 57.380983][ T5056] R10: dffffc0000000000 R11: fffff5200072cd51 R12: dffffc0000000000 [ 57.388948][ T5056] R13: 00000000fffffffe R14: 0000000000000000 R15: ffff88807b6934a0 [ 57.396921][ T5056] ? __warn_printk+0x292/0x360 [ 57.401705][ T5056] ? __btrfs_inc_extent_ref+0x610/0x610 [ 57.407248][ T5056] ? __btrfs_run_delayed_refs+0x9d0/0x46c0 [ 57.413053][ T5056] ? __lock_acquire+0x1fd0/0x1fd0 [ 57.418071][ T5056] ? do_raw_read_unlock+0x3c/0x80 [ 57.423098][ T5056] ? do_raw_spin_unlock+0x13b/0x8b0 [ 57.428299][ T5056] __btrfs_run_delayed_refs+0x130d/0x46c0 [ 57.434058][ T5056] ? btrfs_run_delayed_refs+0x2c0/0x2c0 [ 57.439601][ T5056] ? __might_sleep+0xe0/0xe0 [ 57.444186][ T5056] ? btrfs_start_dirty_block_groups+0xca5/0x10d0 [ 57.450511][ T5056] ? __lock_acquire+0x1fd0/0x1fd0 [ 57.455534][ T5056] ? rcu_is_watching+0x15/0xb0 [ 57.460296][ T5056] ? trace_contention_end+0x3c/0x100 [ 57.465582][ T5056] ? do_raw_spin_unlock+0x13b/0x8b0 [ 57.470783][ T5056] ? mutex_unlock+0x10/0x10 [ 57.475291][ T5056] btrfs_run_delayed_refs+0xe3/0x2c0 [ 57.480578][ T5056] btrfs_start_dirty_block_groups+0xcaf/0x10d0 [ 57.486746][ T5056] ? cache_save_setup+0xb20/0xb20 [ 57.491771][ T5056] ? btrfs_run_delayed_refs+0x110/0x2c0 [ 57.497357][ T5056] btrfs_commit_transaction+0x6b2/0x3740 [ 57.502996][ T5056] ? btrfs_commit_transaction+0x17b/0x3740 [ 57.508806][ T5056] ? __asan_memset+0x23/0x40 [ 57.513404][ T5056] ? lockdep_init_map_type+0xa1/0x900 [ 57.518776][ T5056] ? btrfs_commit_transaction_async+0x480/0x480 [ 57.525028][ T5056] ? join_transaction+0x401/0xcf0 [ 57.530055][ T5056] ? btrfs_record_root_in_trans+0x92/0x180 [ 57.535861][ T5056] ? start_transaction+0x3dc/0x1780 [ 57.541068][ T5056] ? btrfs_attach_transaction_barrier+0x34/0xa0 [ 57.547315][ T5056] ? btrfs_sync_fs+0x1be/0x6d0 [ 57.552163][ T5056] sync_filesystem+0x1c0/0x220 [ 57.556922][ T5056] generic_shutdown_super+0x72/0x2c0 [ 57.562201][ T5056] kill_anon_super+0x3b/0x70 [ 57.566786][ T5056] btrfs_kill_super+0x41/0x50 [ 57.571460][ T5056] deactivate_locked_super+0xc1/0x130 [ 57.576826][ T5056] cleanup_mnt+0x426/0x4c0 [ 57.581239][ T5056] ? _raw_spin_unlock_irq+0x23/0x50 [ 57.586466][ T5056] task_work_run+0x24a/0x300 [ 57.591055][ T5056] ? kasan_quarantine_put+0xd8/0x230 [ 57.596355][ T5056] ? task_work_cancel+0x2b0/0x2b0 [ 57.601391][ T5056] ? kmem_cache_free+0x299/0x470 [ 57.606330][ T5056] ? do_exit+0xa27/0x2740 [ 57.610661][ T5056] do_exit+0xa2c/0x2740 [ 57.614820][ T5056] ? put_task_struct+0xb0/0xb0 [ 57.619585][ T5056] ? lockdep_hardirqs_on_prepare+0x43c/0x780 [ 57.625565][ T5056] ? print_irqtrace_events+0x220/0x220 [ 57.631022][ T5056] ? _raw_spin_unlock_irq+0x23/0x50 [ 57.636220][ T5056] ? lockdep_hardirqs_on+0x98/0x140 [ 57.641417][ T5056] do_group_exit+0x206/0x2c0 [ 57.646018][ T5056] __x64_sys_exit_group+0x3f/0x40 [ 57.651045][ T5056] do_syscall_64+0x45/0x110 [ 57.655547][ T5056] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 57.661433][ T5056] RIP: 0033:0x7fc2789e2849 [ 57.665845][ T5056] Code: Unable to access opcode bytes at 0x7fc2789e281f. [ 57.672854][ T5056] RSP: 002b:00007fff0505d378 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 57.681260][ T5056] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fc2789e2849 [ 57.689223][ T5056] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 57.697188][ T5056] RBP: 00007fc278a632d0 R08: ffffffffffffffb8 R09: 00007fff0505d450 [ 57.705170][ T5056] R10: 00007fff0505d450 R11: 0000000000000246 R12: 00007fc278a632d0 [ 57.713163][ T5056] R13: 0000000000000000 R14: 00007fc278a64040 R15: 00007fc2789b0d80 [ 57.721154][ T5056] [ 57.724392][ T5056] Kernel Offset: disabled [ 57.728803][ T5056] Rebooting in 86400 seconds..