./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1749726448 <...> forked to background, child pid 3208 no interfaces have a carrier [ 26.626086][ T3209] 8021q: adding VLAN 0 to HW filter on device bond0 [ 26.639918][ T3209] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.222' (ECDSA) to the list of known hosts. execve("./syz-executor1749726448", ["./syz-executor1749726448"], 0x7ffe27b582d0 /* 10 vars */) = 0 brk(NULL) = 0x5555557b6000 brk(0x5555557b6c40) = 0x5555557b6c40 arch_prctl(ARCH_SET_FS, 0x5555557b6300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1749726448", 4096) = 28 brk(0x5555557d7c40) = 0x5555557d7c40 brk(0x5555557d8000) = 0x5555557d8000 mprotect(0x7f2a5efcb000, 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 getpid() = 3629 openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3 write(3, "10000000000", 11) = 11 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 write(3, "20", 2) = 2 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 write(3, "100", 3) = 3 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 write(3, "7 4 1 3", 7) = 7 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 write(3, "3629", 4) = 4 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/failslab/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/ignore-private", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", O_WRONLY|O_CLOEXEC) = 3 write(3, "N", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/min-order", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 getpid() = 3629 mkdir("./syzkaller.ODqceB", 0700) = 0 chmod("./syzkaller.ODqceB", 0777) = 0 chdir("./syzkaller.ODqceB") = 0 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3630 attached , child_tidptr=0x5555557b65d0) = 3630 [pid 3630] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3630] setsid() = 1 [pid 3630] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3630] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3630] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3630] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3630] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3630] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3630] unshare(CLONE_NEWNS) = 0 [pid 3630] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3630] unshare(CLONE_NEWIPC) = 0 [pid 3630] unshare(CLONE_NEWCGROUP) = 0 [pid 3630] unshare(CLONE_NEWUTS) = 0 [pid 3630] unshare(CLONE_SYSVSEM) = 0 [pid 3630] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3630] write(3, "16777216", 8) = 8 [pid 3630] close(3) = 0 [pid 3630] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3630] write(3, "536870912", 9) = 9 [pid 3630] close(3) = 0 [pid 3630] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3630] write(3, "1024", 4) = 4 [pid 3630] close(3) = 0 [pid 3630] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3630] write(3, "8192", 4) = 4 [pid 3630] close(3) = 0 [pid 3630] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3630] write(3, "1024", 4) = 4 [pid 3630] close(3) = 0 [pid 3630] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3630] write(3, "1024", 4) = 4 [pid 3630] close(3) = 0 [pid 3630] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3630] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3630] close(3) = 0 [pid 3630] getpid() = 1 [pid 3630] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 46.354593][ T3630] dump_stack_lvl+0xd1/0x138 [ 46.359236][ T3630] should_fail_ex.cold+0x5/0xa [ 46.364042][ T3630] ? __btrfs_free_extent+0x1d0/0x1370 [ 46.369621][ T3630] should_failslab+0x9/0x20 [ 46.374149][ T3630] kmem_cache_alloc+0x5a/0x3d0 [ 46.378942][ T3630] __btrfs_free_extent+0x1d0/0x1370 [ 46.384176][ T3630] ? lookup_extent_backref+0x110/0x110 [ 46.389667][ T3630] ? __btrfs_run_delayed_refs+0x55c/0x3760 [ 46.395497][ T3630] ? lock_downgrade+0x6e0/0x6e0 [ 46.400363][ T3630] ? _raw_read_unlock+0x28/0x40 [ 46.405213][ T3630] ? btrfs_tree_mod_log_lowest_seq+0x86/0xb0 [ 46.411198][ T3630] __btrfs_run_delayed_refs+0x1403/0x3760 [ 46.416935][ T3630] ? check_ref_cleanup+0x3e0/0x3e0 [ 46.422053][ T3630] ? __lock_acquire+0x2567/0x56d0 [ 46.427082][ T3630] ? lock_release+0x810/0x810 [ 46.431760][ T3630] btrfs_run_delayed_refs+0x19a/0x490 [ 46.437137][ T3630] btrfs_commit_transaction+0x1ea7/0x36e0 [ 46.442857][ T3630] ? find_held_lock+0x2d/0x110 [ 46.447733][ T3630] ? btrfs_apply_pending_changes+0x90/0x90 [ 46.453534][ T3630] ? lock_downgrade+0x6e0/0x6e0 [ 46.458384][ T3630] ? do_raw_spin_lock+0x124/0x2b0 [ 46.463402][ T3630] ? rwlock_bug.part.0+0x90/0x90 [ 46.468357][ T3630] btrfs_ioctl_set_fslabel+0x326/0x3a0 [ 46.473823][ T3630] ? btrfs_flush_workqueue+0x40/0x40 [ 46.479127][ T3630] ? __kmem_cache_free+0xaf/0x3b0 [ 46.484155][ T3630] btrfs_ioctl+0x4135/0x5c40 [ 46.488750][ T3630] ? tomoyo_execute_permission+0x4a0/0x4a0 [ 46.494560][ T3630] ? btrfs_ioctl_get_supported_features+0x50/0x50 [ 46.500973][ T3630] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.506865][ T3630] ? do_vfs_ioctl+0x132/0x1600 [ 46.511623][ T3630] ? vfs_fileattr_set+0xbe0/0xbe0 [ 46.516653][ T3630] ? find_held_lock+0x2d/0x110 [ 46.521415][ T3630] ? do_one_initcall+0x563/0x780 [ 46.526374][ T3630] ? lock_downgrade+0x6e0/0x6e0 [ 46.531230][ T3630] ? bpf_lsm_file_ioctl+0x9/0x10 [ 46.536349][ T3630] ? btrfs_ioctl_get_supported_features+0x50/0x50 [ 46.542837][ T3630] __x64_sys_ioctl+0x197/0x210 [ 46.547597][ T3630] do_syscall_64+0x39/0xb0 [ 46.552010][ T3630] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 46.557897][ T3630] RIP: 0033:0x7f2a5ef5c9b9 [ 46.562305][ T3630] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 18 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 c0 ff ff ff f7 d8 64 89 01 48 [ 46.581906][ T3630] RSP: 002b:00007ffc13ba7048 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.590398][ T3630] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2a5ef5c9b9 [pid 3630] ioctl(5, FS_IOC_SETFSLABEL, "\x81\xb3\xde\x25\x34\x83\x1d\xeb\x49\x60\x7b\x06\x03\xf5\xb5\x27\x60\x4b\x34\xb8\xc5\x7a\xa0\x99\xf4\xe8\xaf\xa5\x56\xb5\x42\x72\x9f\xc5\x90\xb6\x82\x1c\x6d\x50\x58\xb4\xd8\xe3\x40\x22\xeb\xa5\x6a\x71\x18\x8f\xc9\x01\xa5\xb7\x80\xa0\xcb\xec\x86\xb5\x2e\xd2\xc4\xeb\x32\x88\x98\xbe\x74\xce\xed\x81\x6b\x79\x57\xd9\xc6\xd8\xb5\x9b\x97\x48\x60\x51\x39\x67\xae\xe2\xc9\xaa\x33\x9d\x8e\xde\x28\x96\x65\xd6\xe9\x4e\x20\x1c\xd2\x48\x05\xd2\x5c\xd0\xf6\x3e\x48\xb4\xdd\x5e\xa8\xf1\x01\x57\x35\x2f\x59\x48\xec\x81\x4a\xc7\xda\x25\x05\x4e\x12\x90\x69\x19\xe7\x14\x3e\x2a\x60\x3e\xc6\x49") = -1 ENOMEM (Cannot allocate memory) [pid 3630] close(3) = 0 [pid 3630] close(4) = 0 [pid 3630] close(5) = 0 [pid 3630] close(6) = 0 [pid 3630] close(7) = -1 EBADF (Bad file descriptor) [pid 3630] close(8) = -1 EBADF (Bad file descriptor) [ 46.598362][ T3630] RDX: 00000000200001c0 RSI: 0000000041009432 RDI: 0000000000000005 [ 46.606413][ T3630] RBP: 00007ffc13ba7090 R08: 0000000000000001 R09: 000000000000000c [ 46.614377][ T3630] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 46.622337][ T3630] R13: 00007ffc13ba707a R14: 0000000000000003 R15: 00007f2a5efd17b0 [ 46.630404][ T3630] [ 46.634580][ T3630] BTRFS: error (device loop0: state A) in btrfs_run_delayed_refs:2141: errno=-12 Out of memory [ 46.645116][ T3630] BTRFS info (device loop0: state EA): forced readonly [pid 3630] close(9) = -1 EBADF (Bad file descriptor) [pid 3630] close(10) = -1 EBADF (Bad file descriptor) [pid 3630] close(11) = -1 EBADF (Bad file descriptor) [pid 3630] close(12) = -1 EBADF (Bad file descriptor) [pid 3630] close(13) = -1 EBADF (Bad file descriptor) [pid 3630] close(14) = -1 EBADF (Bad file descriptor) [pid 3630] close(15) = -1 EBADF (Bad file descriptor) [pid 3630] close(16) = -1 EBADF (Bad file descriptor) [pid 3630] close(17) = -1 EBADF (Bad file descriptor) [pid 3630] close(18) = -1 EBADF (Bad file descriptor) [pid 3630] close(19) = -1 EBADF (Bad file descriptor) [pid 3630] close(20) = -1 EBADF (Bad file descriptor) [pid 3630] close(21) = -1 EBADF (Bad file descriptor) [pid 3630] close(22) = -1 EBADF (Bad file descriptor) [pid 3630] close(23) = -1 EBADF (Bad file descriptor) [pid 3630] close(24) = -1 EBADF (Bad file descriptor) [pid 3630] close(25) = -1 EBADF (Bad file descriptor) [pid 3630] close(26) = -1 EBADF (Bad file descriptor) [pid 3630] close(27) = -1 EBADF (Bad file descriptor) [pid 3630] close(28) = -1 EBADF (Bad file descriptor) [pid 3630] close(29) = -1 EBADF (Bad file descriptor) [pid 3630] exit_group(1) = ? [ 46.653695][ T3648] ------------[ cut here ]------------ [ 46.659515][ T3648] WARNING: CPU: 1 PID: 3648 at fs/btrfs/transaction.c:131 btrfs_put_transaction+0x3a0/0x470 [ 46.671821][ T3648] Modules linked in: [ 46.676217][ T3648] CPU: 0 PID: 3648 Comm: btrfs-transacti Not tainted 6.1.0-syzkaller #0 [ 46.685495][ T3648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 46.696164][ T3648] RIP: 0010:btrfs_put_transaction+0x3a0/0x470 [ 46.702741][ T3648] Code: fc ff ff 48 89 df e8 5f 06 6d fe e9 73 fd ff ff e8 65 2d 20 fe 0f 0b eb a1 e8 5c 2d 20 fe 0f 0b e9 a2 fd ff ff e8 50 2d 20 fe <0f> 0b e9 cd fd ff ff 48 89 df e8 d1 06 6d fe e9 01 ff ff ff 4c 89 [ 46.722635][ T3648] RSP: 0018:ffffc90003ddfcb8 EFLAGS: 00010293 [ 46.728757][ T3648] RAX: 0000000000000000 RBX: ffff888140b3e028 RCX: 0000000000000000 [ 46.736943][ T3648] RDX: ffff888023263a80 RSI: ffffffff835ff0b0 RDI: ffff888140b3e330 [ 46.745027][ T3648] RBP: ffff888140b3e000 R08: 0000000000000005 R09: 0000000000000001 [ 46.753157][ T3648] R10: 0000000000000001 R11: 0000000000000000 R12: ffff888140b3e010 [ 46.761127][ T3648] R13: dffffc0000000000 R14: ffff888078090c18 R15: ffff888078090000 [ 46.769135][ T3648] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 46.778115][ T3648] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.784968][ T3648] CR2: 00007f59eda5b000 CR3: 000000007e0ff000 CR4: 0000000000350ee0 [ 46.793216][ T3648] Call Trace: [ 46.796627][ T3648] [ 46.799564][ T3648] btrfs_cleanup_transaction.isra.0+0x223/0x1310 [ 46.805945][ T3648] ? btrfs_cleanup_one_transaction+0x1980/0x1980 [ 46.812328][ T3648] ? __mutex_unlock_slowpath+0x157/0x5e0 [ 46.817957][ T3648] ? wait_for_completion_io_timeout+0x20/0x20 [ 46.824057][ T3648] ? do_raw_spin_lock+0x124/0x2b0 [ 46.829115][ T3648] ? sched_core_balance+0xac0/0xac0 [ 46.834334][ T3648] ? rwlock_bug.part.0+0x90/0x90 [ 46.839282][ T3648] ? do_raw_spin_unlock+0x175/0x230 [ 46.844510][ T3648] transaction_kthread+0x3cb/0x4e0 [ 46.849635][ T3648] ? btrfs_cleanup_transaction.isra.0+0x1310/0x1310 [ 46.856268][ T3648] kthread+0x2e8/0x3a0 [ 46.860392][ T3648] ? kthread_complete_and_exit+0x40/0x40 [ 46.866336][ T3648] ret_from_fork+0x1f/0x30 [ 46.870972][ T3648] [ 46.874044][ T3648] Kernel panic - not syncing: panic_on_warn set ... [ 46.880627][ T3648] CPU: 1 PID: 3648 Comm: btrfs-transacti Not tainted 6.1.0-syzkaller #0 [ 46.888937][ T3648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 46.898993][ T3648] Call Trace: [ 46.902289][ T3648] [ 46.905230][ T3648] dump_stack_lvl+0xd1/0x138 [ 46.909811][ T3648] panic+0x2cc/0x626 [ 46.913714][ T3648] ? panic_print_sys_info.part.0+0x110/0x110 [ 46.919689][ T3648] ? __warn.cold+0x24b/0x350 [ 46.924274][ T3648] ? btrfs_put_transaction+0x3a0/0x470 [ 46.929717][ T3648] __warn.cold+0x25c/0x350 [ 46.934125][ T3648] ? btrfs_put_transaction+0x3a0/0x470 [ 46.939584][ T3648] report_bug+0x1c0/0x210 [ 46.943919][ T3648] handle_bug+0x3c/0x70 [ 46.948062][ T3648] exc_invalid_op+0x18/0x50 [ 46.952552][ T3648] asm_exc_invalid_op+0x1a/0x20 [ 46.957408][ T3648] RIP: 0010:btrfs_put_transaction+0x3a0/0x470 [ 46.963476][ T3648] Code: fc ff ff 48 89 df e8 5f 06 6d fe e9 73 fd ff ff e8 65 2d 20 fe 0f 0b eb a1 e8 5c 2d 20 fe 0f 0b e9 a2 fd ff ff e8 50 2d 20 fe <0f> 0b e9 cd fd ff ff 48 89 df e8 d1 06 6d fe e9 01 ff ff ff 4c 89 [ 46.983158][ T3648] RSP: 0018:ffffc90003ddfcb8 EFLAGS: 00010293 [ 46.989228][ T3648] RAX: 0000000000000000 RBX: ffff888140b3e028 RCX: 0000000000000000 [ 46.997192][ T3648] RDX: ffff888023263a80 RSI: ffffffff835ff0b0 RDI: ffff888140b3e330 [ 47.005161][ T3648] RBP: ffff888140b3e000 R08: 0000000000000005 R09: 0000000000000001 [ 47.013127][ T3648] R10: 0000000000000001 R11: 0000000000000000 R12: ffff888140b3e010 [ 47.021085][ T3648] R13: dffffc0000000000 R14: ffff888078090c18 R15: ffff888078090000 [ 47.029053][ T3648] ? btrfs_put_transaction+0x3a0/0x470 [ 47.034510][ T3648] ? btrfs_put_transaction+0x3a0/0x470 [ 47.039968][ T3648] btrfs_cleanup_transaction.isra.0+0x223/0x1310 [ 47.046296][ T3648] ? btrfs_cleanup_one_transaction+0x1980/0x1980 [ 47.052634][ T3648] ? __mutex_unlock_slowpath+0x157/0x5e0 [ 47.058273][ T3648] ? wait_for_completion_io_timeout+0x20/0x20 [ 47.064339][ T3648] ? do_raw_spin_lock+0x124/0x2b0 [ 47.069443][ T3648] ? sched_core_balance+0xac0/0xac0 [ 47.074716][ T3648] ? rwlock_bug.part.0+0x90/0x90 [ 47.079730][ T3648] ? do_raw_spin_unlock+0x175/0x230 [ 47.084925][ T3648] transaction_kthread+0x3cb/0x4e0 [ 47.090034][ T3648] ? btrfs_cleanup_transaction.isra.0+0x1310/0x1310 [ 47.096618][ T3648] kthread+0x2e8/0x3a0 [ 47.100792][ T3648] ? kthread_complete_and_exit+0x40/0x40 [ 47.106422][ T3648] ret_from_fork+0x1f/0x30 [ 47.110843][ T3648] [ 47.114424][ T3648] Kernel Offset: disabled [ 47.118819][ T3648] Rebooting in 86400 seconds..