./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4052742858 <...> Warning: Permanently added '10.128.1.136' (ECDSA) to the list of known hosts. execve("./syz-executor4052742858", ["./syz-executor4052742858"], 0x7ffc6b3c4e00 /* 10 vars */) = 0 brk(NULL) = 0x5555572e7000 brk(0x5555572e7c40) = 0x5555572e7c40 arch_prctl(ARCH_SET_FS, 0x5555572e7300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x5555572e75d0) = 4993 set_robust_list(0x5555572e75e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7f73fc053130, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7f73fc053800}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7f73fc0531d0, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f73fc053800}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4052742858", 4096) = 28 brk(0x555557308c40) = 0x555557308c40 brk(0x555557309000) = 0x555557309000 mprotect(0x7f73fc119000, 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 futex(0x7f73fc11f6ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f73fc022000 mprotect(0x7f73fc023000, 131072, PROT_READ|PROT_WRITE) = 0 clone(child_stack=0x7f73fc0423f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[4994], tls=0x7f73fc042700, child_tidptr=0x7f73fc0429d0) = 4994 ./strace-static-x86_64: Process 4994 attached [pid 4993] futex(0x7f73fc11f6e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4993] futex(0x7f73fc11f6ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4994] set_robust_list(0x7f73fc0429e0, 24) = 0 [pid 4994] memfd_create("syzkaller", 0) = 3 [pid 4994] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f73f3c22000 syzkaller login: [ 55.962013][ T4994] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4994 'syz-executor405' [pid 4994] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 4994] munmap(0x7f73f3c22000, 16777216) = 0 [pid 4994] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 4994] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4994] close(3) = 0 [pid 4994] mkdir("./file0", 0777) = 0 [ 56.107104][ T4994] loop0: detected capacity change from 0 to 32768 [ 56.118568][ T4994] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor405 (4994) [ 56.137242][ T4994] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 56.146223][ T4994] BTRFS info (device loop0): using free space tree [pid 4994] mount("/dev/loop0", "./file0", "btrfs", 0, "") = 0 [pid 4994] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 4994] chdir("./file0") = 0 [pid 4994] ioctl(4, LOOP_CLR_FD) = 0 [pid 4994] close(4) = 0 [pid 4994] futex(0x7f73fc11f6ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4993] <... futex resumed>) = 0 [pid 4993] futex(0x7f73fc11f6e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4993] futex(0x7f73fc11f6ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4994] <... futex resumed>) = 1 [pid 4994] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 4 [pid 4994] futex(0x7f73fc11f6ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4993] <... futex resumed>) = 0 [pid 4993] futex(0x7f73fc11f6e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4993] futex(0x7f73fc11f6ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4994] <... futex resumed>) = 1 [pid 4994] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 5 [pid 4994] futex(0x7f73fc11f6ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4993] <... futex resumed>) = 0 [pid 4993] futex(0x7f73fc11f6e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4993] futex(0x7f73fc11f6ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4994] <... futex resumed>) = 1 [ 56.166507][ T4994] BTRFS info (device loop0): enabling ssd optimizations [ 56.173575][ T4994] BTRFS info (device loop0): auto enabling async discard [ 56.195776][ T27] audit: type=1800 audit(1687140220.518:2): pid=4994 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor405" name="bus" dev="loop0" ino=263 res=0 errno=0 [pid 4994] fallocate(5, 0, 0, 1048816) = 0 [pid 4994] futex(0x7f73fc11f6ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 4993] <... futex resumed>) = 0 [pid 4994] <... futex resumed>) = 1 [pid 4993] futex(0x7f73fc11f6e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4993] futex(0x7f73fc11f6ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 56.221556][ T27] audit: type=1800 audit(1687140220.538:3): pid=4994 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor405" name="bus" dev="loop0" ino=263 res=0 errno=0 [pid 4994] sendfile(4, 5, NULL, 142606348 [pid 4993] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 4993] futex(0x7f73fc11f6fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4993] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f73f4c01000 [pid 4993] mprotect(0x7f73f4c02000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4993] clone(child_stack=0x7f73f4c213f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5013], tls=0x7f73f4c21700, child_tidptr=0x7f73f4c219d0) = 5013 [pid 4993] futex(0x7f73fc11f6f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4993] futex(0x7f73fc11f6fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5013 attached [pid 5013] set_robust_list(0x7f73f4c219e0, 24) = 0 [pid 5013] open(".", O_RDONLY) = 6 [pid 5013] futex(0x7f73fc11f6fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 4993] <... futex resumed>) = 0 [pid 4993] futex(0x7f73fc11f6f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4993] futex(0x7f73fc11f6fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5013] <... futex resumed>) = 1 [pid 5013] ioctl(6, BTRFS_IOC_BALANCE_V2, {flags=0} [pid 4993] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 56.327061][ T5013] BTRFS info (device loop0): balance: start [ 56.333613][ T5013] BTRFS info (device loop0): balance: ended with status: 0 [ 56.335496][ T4994] ------------[ cut here ]------------ [ 56.348608][ T4994] BTRFS: Transaction aborted (error -28) [ 56.354914][ T4994] WARNING: CPU: 1 PID: 4994 at fs/btrfs/extent-tree.c:3053 __btrfs_free_extent+0x2325/0x2e50 [ 56.365211][ T4994] Modules linked in: [ 56.369226][ T4994] CPU: 1 PID: 4994 Comm: syz-executor405 Not tainted 6.4.0-rc6-syzkaller-00279-g8c1f0c38b310 #0 [ 56.379762][ T4994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 56.389947][ T4994] RIP: 0010:__btrfs_free_extent+0x2325/0x2e50 [ 56.396084][ T4994] Code: 2a 07 48 bb 00 00 00 00 00 fc ff df 4c 8b 74 24 08 e9 1b fb ff ff e8 6a 85 07 fe 48 c7 c7 00 95 29 8b 44 89 e6 e8 6b 04 cf fd <0f> 0b e9 40 e4 ff ff 4d 89 e5 e8 4c 85 07 fe 45 31 c0 45 84 f6 41 [ 56.415851][ T4994] RSP: 0018:ffffc900039eeb80 EFLAGS: 00010246 [ 56.421956][ T4994] RAX: 08caf06165730000 RBX: ffff88802a4e4001 RCX: ffff888027108000 [ 56.430016][ T4994] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 56.438035][ T4994] RBP: ffffc900039eed00 R08: ffffffff81530142 R09: fffffbfff2065667 [ 56.446076][ T4994] R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000ffffffe4 [ 56.454267][ T4994] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000001000 [ 56.462247][ T4994] FS: 00007f73fc042700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 56.471229][ T4994] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [pid 4993] exit_group(0) = ? [ 56.477884][ T4994] CR2: 00007fffb2981f58 CR3: 0000000073fbc000 CR4: 00000000003506e0 [ 56.486038][ T4994] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.494166][ T4994] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.502171][ T4994] Call Trace: [ 56.505510][ T4994] [ 56.508460][ T4994] ? __warn+0x162/0x4a0 [ 56.512626][ T4994] ? __btrfs_free_extent+0x2325/0x2e50 [ 56.518146][ T4994] ? report_bug+0x2b3/0x500 [ 56.522775][ T4994] ? __btrfs_free_extent+0x2325/0x2e50 [ 56.528337][ T4994] ? handle_bug+0x3d/0x70 [ 56.532687][ T4994] ? exc_invalid_op+0x1a/0x50 [ 56.537424][ T4994] ? asm_exc_invalid_op+0x1a/0x20 [ 56.542599][ T4994] ? __warn_printk+0x292/0x360 [ 56.547440][ T4994] ? __btrfs_free_extent+0x2325/0x2e50 [ 56.552929][ T4994] ? read_lock_is_recursive+0x20/0x20 [ 56.558346][ T4994] ? __btrfs_inc_extent_ref+0x5f0/0x5f0 [ 56.563950][ T4994] ? _raw_read_unlock+0x28/0x40 [ 56.568928][ T4994] ? do_raw_spin_unlock+0x13b/0x8b0 [ 56.574183][ T4994] __btrfs_run_delayed_refs+0xef9/0x3fc0 [ 56.579864][ T4994] ? btrfs_run_delayed_refs+0x480/0x480 [ 56.585457][ T4994] ? stack_trace_snprint+0xf0/0xf0 [ 56.590597][ T4994] ? read_lock_is_recursive+0x20/0x20 [ 56.596460][ T4994] btrfs_run_delayed_refs+0x140/0x480 [ 56.601850][ T4994] btrfs_commit_transaction+0x427/0x3370 [ 56.607541][ T4994] ? join_transaction+0xbfd/0xe80 [ 56.612585][ T4994] ? do_raw_spin_lock+0x14d/0x3a0 [ 56.617674][ T4994] ? btrfs_commit_transaction_async+0x450/0x450 [ 56.623974][ T4994] ? slab_post_alloc_hook+0x83/0x3a0 [ 56.629269][ T4994] ? join_transaction+0xc52/0xe80 [ 56.634324][ T4994] ? join_transaction+0xc28/0xe80 [ 56.639402][ T4994] ? btrfs_record_root_in_trans+0x12d/0x180 [ 56.647341][ T4994] ? start_transaction+0x3de/0x1080 [ 56.653400][ T4994] btrfs_sync_file+0xcb3/0x10e0 [ 56.658523][ T4994] ? btrfs_release_file+0x130/0x130 [ 56.663957][ T4994] ? do_raw_spin_lock+0x14d/0x3a0 [ 56.669155][ T4994] ? do_raw_spin_unlock+0x13b/0x8b0 [ 56.674619][ T4994] btrfs_do_write_iter+0xccd/0x1270 [ 56.680834][ T4994] ? btrfs_check_nocow_unlock+0x40/0x40 [ 56.686650][ T4994] do_iter_write+0x7b1/0xcb0 [ 56.691305][ T4994] ? vfs_iter_write+0xa0/0xa0 [ 56.696060][ T4994] ? vfs_iter_write+0x6d/0xa0 [ 56.700759][ T4994] iter_file_splice_write+0x843/0xfe0 [ 56.706175][ T4994] ? btrfs_inode_lock+0x58/0xd0 [ 56.711073][ T4994] ? splice_from_pipe+0x230/0x230 [ 56.716169][ T4994] ? direct_splice_read+0xa10/0xa10 [ 56.721402][ T4994] ? splice_from_pipe+0x230/0x230 [ 56.726480][ T4994] direct_splice_actor+0xe7/0x1c0 [ 56.731527][ T4994] splice_direct_to_actor+0x4c4/0xbd0 [ 56.736957][ T4994] ? do_splice_direct+0x3d0/0x3d0 [ 56.741995][ T4994] ? pipe_to_sendpage+0x350/0x350 [ 56.747069][ T4994] ? fsnotify_perm+0x67/0x590 [ 56.751766][ T4994] ? bpf_lsm_file_permission+0x9/0x10 [ 56.757189][ T4994] do_splice_direct+0x283/0x3d0 [ 56.762153][ T4994] ? splice_direct_to_actor+0xbd0/0xbd0 [ 56.767740][ T4994] ? rcu_read_lock_any_held+0xb7/0x160 [ 56.773312][ T4994] do_sendfile+0x620/0xff0 [ 56.777801][ T4994] ? ptrace_stop+0x75a/0x970 [ 56.782498][ T4994] ? do_pwritev+0x360/0x360 [ 56.787095][ T4994] ? _raw_spin_unlock_irq+0x2e/0x50 [ 56.792335][ T4994] ? ptrace_notify+0x278/0x380 [ 56.797290][ T4994] __se_sys_sendfile64+0x17c/0x1e0 [ 56.802446][ T4994] ? __x64_sys_sendfile64+0xb0/0xb0 [ 56.808070][ T4994] ? syscall_enter_from_user_mode+0x32/0x230 [ 56.814181][ T4994] ? syscall_enter_from_user_mode+0x8c/0x230 [ 56.820162][ T4994] do_syscall_64+0x41/0xc0 [ 56.824611][ T4994] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 56.830521][ T4994] RIP: 0033:0x7f73fc0957e9 [ 56.834981][ T4994] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 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 b8 ff ff ff f7 d8 64 89 01 48 [ 56.854632][ T4994] RSP: 002b:00007f73fc0422f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 56.863049][ T4994] RAX: ffffffffffffffda RBX: 00007f73fc11f6e0 RCX: 00007f73fc0957e9 [ 56.871055][ T4994] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 [ 56.879062][ T4994] RBP: 00007f73fc0ec60c R08: 0000000000000000 R09: 0000000000000000 [ 56.887069][ T4994] R10: 000000000880000c R11: 0000000000000246 R12: 0000000020000600 [ 56.895099][ T4994] R13: 0030656c69662f2e R14: 0000000000000000 R15: 00007f73fc11f6e8 [ 56.903199][ T4994] [ 56.906288][ T4994] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 56.913586][ T4994] CPU: 1 PID: 4994 Comm: syz-executor405 Not tainted 6.4.0-rc6-syzkaller-00279-g8c1f0c38b310 #0 [ 56.924084][ T4994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 56.934140][ T4994] Call Trace: [ 56.937504][ T4994] [ 56.940449][ T4994] dump_stack_lvl+0x1e7/0x2d0 [ 56.945129][ T4994] ? nf_tcp_handle_invalid+0x650/0x650 [ 56.950586][ T4994] ? panic+0x770/0x770 [ 56.954659][ T4994] ? vscnprintf+0x5d/0x80 [ 56.958993][ T4994] panic+0x30f/0x770 [ 56.962887][ T4994] ? __warn+0x171/0x4a0 [ 56.967063][ T4994] ? __memcpy_flushcache+0x2b0/0x2b0 [ 56.972362][ T4994] __warn+0x314/0x4a0 [ 56.976362][ T4994] ? __btrfs_free_extent+0x2325/0x2e50 [ 56.981825][ T4994] report_bug+0x2b3/0x500 [ 56.986161][ T4994] ? __btrfs_free_extent+0x2325/0x2e50 [ 56.991623][ T4994] handle_bug+0x3d/0x70 [ 56.995777][ T4994] exc_invalid_op+0x1a/0x50 [ 57.000280][ T4994] asm_exc_invalid_op+0x1a/0x20 [ 57.005130][ T4994] RIP: 0010:__btrfs_free_extent+0x2325/0x2e50 [ 57.011285][ T4994] Code: 2a 07 48 bb 00 00 00 00 00 fc ff df 4c 8b 74 24 08 e9 1b fb ff ff e8 6a 85 07 fe 48 c7 c7 00 95 29 8b 44 89 e6 e8 6b 04 cf fd <0f> 0b e9 40 e4 ff ff 4d 89 e5 e8 4c 85 07 fe 45 31 c0 45 84 f6 41 [ 57.033327][ T4994] RSP: 0018:ffffc900039eeb80 EFLAGS: 00010246 [ 57.039400][ T4994] RAX: 08caf06165730000 RBX: ffff88802a4e4001 RCX: ffff888027108000 [ 57.047374][ T4994] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 57.055347][ T4994] RBP: ffffc900039eed00 R08: ffffffff81530142 R09: fffffbfff2065667 [ 57.063317][ T4994] R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000ffffffe4 [ 57.071290][ T4994] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000001000 [ 57.079263][ T4994] ? __warn_printk+0x292/0x360 [ 57.084045][ T4994] ? read_lock_is_recursive+0x20/0x20 [ 57.089423][ T4994] ? __btrfs_inc_extent_ref+0x5f0/0x5f0 [ 57.094975][ T4994] ? _raw_read_unlock+0x28/0x40 [ 57.099826][ T4994] ? do_raw_spin_unlock+0x13b/0x8b0 [ 57.105031][ T4994] __btrfs_run_delayed_refs+0xef9/0x3fc0 [ 57.110694][ T4994] ? btrfs_run_delayed_refs+0x480/0x480 [ 57.116504][ T4994] ? stack_trace_snprint+0xf0/0xf0 [ 57.122213][ T4994] ? read_lock_is_recursive+0x20/0x20 [ 57.127736][ T4994] btrfs_run_delayed_refs+0x140/0x480 [ 57.133228][ T4994] btrfs_commit_transaction+0x427/0x3370 [ 57.138881][ T4994] ? join_transaction+0xbfd/0xe80 [ 57.143996][ T4994] ? do_raw_spin_lock+0x14d/0x3a0 [ 57.149031][ T4994] ? btrfs_commit_transaction_async+0x450/0x450 [ 57.155274][ T4994] ? slab_post_alloc_hook+0x83/0x3a0 [ 57.160557][ T4994] ? join_transaction+0xc52/0xe80 [ 57.165579][ T4994] ? join_transaction+0xc28/0xe80 [ 57.170604][ T4994] ? btrfs_record_root_in_trans+0x12d/0x180 [ 57.176504][ T4994] ? start_transaction+0x3de/0x1080 [ 57.181715][ T4994] btrfs_sync_file+0xcb3/0x10e0 [ 57.186574][ T4994] ? btrfs_release_file+0x130/0x130 [ 57.191773][ T4994] ? do_raw_spin_lock+0x14d/0x3a0 [ 57.196808][ T4994] ? do_raw_spin_unlock+0x13b/0x8b0 [ 57.202012][ T4994] btrfs_do_write_iter+0xccd/0x1270 [ 57.207223][ T4994] ? btrfs_check_nocow_unlock+0x40/0x40 [ 57.213131][ T4994] do_iter_write+0x7b1/0xcb0 [ 57.217737][ T4994] ? vfs_iter_write+0xa0/0xa0 [ 57.222428][ T4994] ? vfs_iter_write+0x6d/0xa0 [ 57.227111][ T4994] iter_file_splice_write+0x843/0xfe0 [ 57.232482][ T4994] ? btrfs_inode_lock+0x58/0xd0 [ 57.237352][ T4994] ? splice_from_pipe+0x230/0x230 [ 57.242551][ T4994] ? direct_splice_read+0xa10/0xa10 [ 57.247756][ T4994] ? splice_from_pipe+0x230/0x230 [ 57.252791][ T4994] direct_splice_actor+0xe7/0x1c0 [ 57.257819][ T4994] splice_direct_to_actor+0x4c4/0xbd0 [ 57.263200][ T4994] ? do_splice_direct+0x3d0/0x3d0 [ 57.268221][ T4994] ? pipe_to_sendpage+0x350/0x350 [ 57.273279][ T4994] ? fsnotify_perm+0x67/0x590 [ 57.278071][ T4994] ? bpf_lsm_file_permission+0x9/0x10 [ 57.283458][ T4994] do_splice_direct+0x283/0x3d0 [ 57.288316][ T4994] ? splice_direct_to_actor+0xbd0/0xbd0 [ 57.293856][ T4994] ? rcu_read_lock_any_held+0xb7/0x160 [ 57.299328][ T4994] do_sendfile+0x620/0xff0 [ 57.303747][ T4994] ? ptrace_stop+0x75a/0x970 [ 57.308343][ T4994] ? do_pwritev+0x360/0x360 [ 57.312845][ T4994] ? _raw_spin_unlock_irq+0x2e/0x50 [ 57.318039][ T4994] ? ptrace_notify+0x278/0x380 [ 57.322835][ T4994] __se_sys_sendfile64+0x17c/0x1e0 [ 57.327967][ T4994] ? __x64_sys_sendfile64+0xb0/0xb0 [ 57.333868][ T4994] ? syscall_enter_from_user_mode+0x32/0x230 [ 57.339855][ T4994] ? syscall_enter_from_user_mode+0x8c/0x230 [ 57.345945][ T4994] do_syscall_64+0x41/0xc0 [ 57.350383][ T4994] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 57.356289][ T4994] RIP: 0033:0x7f73fc0957e9 [ 57.360714][ T4994] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 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 b8 ff ff ff f7 d8 64 89 01 48 [ 57.380339][ T4994] RSP: 002b:00007f73fc0422f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 57.388850][ T4994] RAX: ffffffffffffffda RBX: 00007f73fc11f6e0 RCX: 00007f73fc0957e9 [ 57.396823][ T4994] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 [ 57.404790][ T4994] RBP: 00007f73fc0ec60c R08: 0000000000000000 R09: 0000000000000000 [ 57.412759][ T4994] R10: 000000000880000c R11: 0000000000000246 R12: 0000000020000600 [ 57.420727][ T4994] R13: 0030656c69662f2e R14: 0000000000000000 R15: 00007f73fc11f6e8 [ 57.428716][ T4994] [ 57.431792][ T4994] Kernel Offset: disabled [ 57.436218][ T4994] Rebooting in 86400 seconds..