./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor740247982 <...> Warning: Permanently added '10.128.1.75' (ECDSA) to the list of known hosts. execve("./syz-executor740247982", ["./syz-executor740247982"], 0x7ffde9f03660 /* 10 vars */) = 0 brk(NULL) = 0x5555569c1000 brk(0x5555569c1d40) = 0x5555569c1d40 arch_prctl(ARCH_SET_FS, 0x5555569c1400) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x5555569c16d0) = 4995 set_robust_list(0x5555569c16e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7fa312084470, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7fa3120839c0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7fa312084510, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa3120839c0}, 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-executor740247982", 4096) = 27 brk(0x5555569e2d40) = 0x5555569e2d40 brk(0x5555569e3000) = 0x5555569e3000 mprotect(0x7fa31214b000, 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() = 4995 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, "4995", 4) = 4 close(3) = 0 rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7fa31207d5f0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fa3120839c0}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7fa31207d5f0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fa3120839c0}, NULL, 8) = 0 getpid() = 4995 mkdir("./syzkaller.5QJXCS", 0700) = 0 chmod("./syzkaller.5QJXCS", 0777) = 0 chdir("./syzkaller.5QJXCS") = 0 futex(0x7fa31215178c, FUTEX_WAKE_PRIVATE, 1000000) = 0 mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fa312052000 mprotect(0x7fa312053000, 131072, PROT_READ|PROT_WRITE) = 0 clone(child_stack=0x7fa3120722f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 4996 attached , parent_tid=[4996], tls=0x7fa312072700, child_tidptr=0x7fa3120729d0) = 4996 [pid 4995] futex(0x7fa312151788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4995] futex(0x7fa31215178c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 4996] set_robust_list(0x7fa3120729e0, 24) = 0 [pid 4996] memfd_create("syzkaller", 0) = 3 [pid 4996] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa309c52000 syzkaller login: [ 71.854026][ T4996] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=4996 'syz-executor740' [pid 4996] 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 4996] munmap(0x7fa309c52000, 16777216) = 0 [pid 4996] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 4996] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 4996] close(3) = 0 [pid 4996] mkdir("./file0", 0777) = 0 [ 72.018471][ T4996] loop0: detected capacity change from 0 to 32768 [ 72.030029][ T4996] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor740 (4996) [ 72.052860][ T4996] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 72.061824][ T4996] BTRFS info (device loop0): using free space tree [pid 4996] mount("/dev/loop0", "./file0", "btrfs", 0, "") = 0 [pid 4996] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 4996] chdir("./file0") = 0 [pid 4996] ioctl(4, LOOP_CLR_FD) = 0 [pid 4996] close(4) = 0 [pid 4996] futex(0x7fa31215178c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4995] <... futex resumed>) = 0 [pid 4995] futex(0x7fa312151788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4995] futex(0x7fa31215178c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4996] <... futex resumed>) = 1 [pid 4996] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 4 [pid 4996] futex(0x7fa31215178c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4995] <... futex resumed>) = 0 [pid 4995] futex(0x7fa312151788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4995] futex(0x7fa31215178c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4996] <... futex resumed>) = 1 [pid 4996] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 5 [pid 4996] futex(0x7fa31215178c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4995] <... futex resumed>) = 0 [pid 4995] futex(0x7fa312151788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4995] futex(0x7fa31215178c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4996] <... futex resumed>) = 1 [ 72.082854][ T4996] BTRFS info (device loop0): enabling ssd optimizations [ 72.090504][ T4996] BTRFS info (device loop0): auto enabling async discard [pid 4996] fallocate(5, 0, 0, 1048816) = 0 [pid 4996] futex(0x7fa31215178c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4995] <... futex resumed>) = 0 [pid 4996] <... futex resumed>) = 1 [pid 4995] futex(0x7fa312151788, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4995] futex(0x7fa31215178c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 4996] sendfile(4, 5, NULL, 142606348 [pid 4995] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 4995] futex(0x7fa31215179c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4995] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fa30ac31000 [pid 4995] mprotect(0x7fa30ac32000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 4995] clone(child_stack=0x7fa30ac512f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[5015], tls=0x7fa30ac51700, child_tidptr=0x7fa30ac519d0) = 5015 [pid 4995] futex(0x7fa312151798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 4995] futex(0x7fa31215179c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5015 attached [pid 5015] set_robust_list(0x7fa30ac519e0, 24) = 0 [pid 5015] open(".", O_RDONLY) = 6 [pid 5015] futex(0x7fa31215179c, FUTEX_WAKE_PRIVATE, 1000000 [pid 4995] <... futex resumed>) = 0 [pid 5015] <... futex resumed>) = 1 [pid 4995] futex(0x7fa312151798, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5015] ioctl(6, BTRFS_IOC_BALANCE_V2, {flags=0} [ 72.114504][ T27] audit: type=1800 audit(1687417426.915:2): pid=4996 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor740" name="bus" dev="loop0" ino=263 res=0 errno=0 [ 72.140109][ T27] audit: type=1800 audit(1687417426.925:3): pid=4996 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="syz-executor740" name="bus" dev="loop0" ino=263 res=0 errno=0 [pid 4995] futex(0x7fa31215179c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [ 72.245876][ T5015] BTRFS info (device loop0): balance: start [ 72.247690][ T4996] BTRFS error (device loop0): failed to run delayed ref for logical 5251072 num_bytes 4096 type 176 action 1 ref_mod 1: -28 [ 72.252454][ T5015] BTRFS info (device loop0): balance: ended with status: 0 [ 72.265441][ T4996] ------------[ cut here ]------------ [ 72.278203][ T4996] BTRFS: Transaction aborted (error -28) [ 72.285348][ T4996] WARNING: CPU: 0 PID: 4996 at fs/btrfs/extent-tree.c:2127 btrfs_run_delayed_refs+0x444/0x480 [ 72.295721][ T4996] Modules linked in: [ 72.299675][ T4996] CPU: 0 PID: 4996 Comm: syz-executor740 Not tainted 6.4.0-rc7-syzkaller-00072-gdad9774deaf1 #0 [ 72.310202][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 72.320456][ T4996] RIP: 0010:btrfs_run_delayed_refs+0x444/0x480 [ 72.326738][ T4996] Code: fe c1 38 c1 0f 8c 54 fc ff ff 48 89 ef e8 44 fe 60 fe e9 47 fc ff ff e8 9a 26 09 fe 48 c7 c7 00 95 29 8b 89 ee e8 4c a5 d0 fd <0f> 0b eb 9e f3 0f 1e fa e8 7f 26 09 fe 48 8b 44 24 18 42 80 3c 28 [ 72.346456][ T4996] RSP: 0018:ffffc90003a6f070 EFLAGS: 00010246 [ 72.352580][ T4996] RAX: b1a953d201add500 RBX: ffff88807d0f8001 RCX: ffff888027350000 [ 72.360678][ T4996] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 72.368758][ T4996] RBP: 00000000ffffffe4 R08: ffffffff81530142 R09: fffff5200074ddc1 [ 72.376863][ T4996] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888076ab7e70 [ 72.384885][ T4996] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880146a1000 [ 72.392987][ T4996] FS: 00007fa312072700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 72.402011][ T4996] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.408685][ T4996] CR2: 00005645cf4d5000 CR3: 0000000077a2a000 CR4: 00000000003506f0 [ 72.416751][ T4996] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.424782][ T4996] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.432874][ T4996] Call Trace: [ 72.436234][ T4996] [ 72.439208][ T4996] ? __warn+0x162/0x4a0 [pid 4995] exit_group(0) = ? [ 72.443421][ T4996] ? btrfs_run_delayed_refs+0x444/0x480 [ 72.449127][ T4996] ? report_bug+0x2b3/0x500 [ 72.453689][ T4996] ? btrfs_run_delayed_refs+0x444/0x480 [ 72.459325][ T4996] ? handle_bug+0x3d/0x70 [ 72.463949][ T4996] ? exc_invalid_op+0x1a/0x50 [ 72.468700][ T4996] ? asm_exc_invalid_op+0x1a/0x20 [ 72.473766][ T4996] ? __warn_printk+0x292/0x360 [ 72.478618][ T4996] ? btrfs_run_delayed_refs+0x444/0x480 [ 72.484208][ T4996] btrfs_commit_transaction+0x427/0x3370 [ 72.489926][ T4996] ? join_transaction+0xbfd/0xe80 [ 72.494982][ T4996] ? do_raw_spin_lock+0x14d/0x3a0 [ 72.500086][ T4996] ? btrfs_commit_transaction_async+0x450/0x450 [ 72.506415][ T4996] ? slab_post_alloc_hook+0x83/0x3a0 [ 72.511727][ T4996] ? join_transaction+0xc52/0xe80 [ 72.516815][ T4996] ? join_transaction+0xc28/0xe80 [ 72.521881][ T4996] ? btrfs_record_root_in_trans+0x12d/0x180 [ 72.527874][ T4996] ? start_transaction+0x3de/0x1080 [ 72.533143][ T4996] btrfs_sync_file+0xcb3/0x10e0 [ 72.538101][ T4996] ? btrfs_release_file+0x130/0x130 [ 72.543330][ T4996] ? do_raw_spin_lock+0x14d/0x3a0 [ 72.548428][ T4996] ? do_raw_spin_unlock+0x13b/0x8b0 [ 72.553676][ T4996] btrfs_do_write_iter+0xccd/0x1270 [ 72.558959][ T4996] ? btrfs_check_nocow_unlock+0x40/0x40 [ 72.564546][ T4996] do_iter_write+0x7b1/0xcb0 [ 72.569222][ T4996] ? vfs_iter_write+0xa0/0xa0 [ 72.573951][ T4996] ? vfs_iter_write+0x6d/0xa0 [ 72.578713][ T4996] iter_file_splice_write+0x843/0xfe0 [ 72.584117][ T4996] ? btrfs_inode_lock+0x58/0xd0 [ 72.589059][ T4996] ? splice_from_pipe+0x230/0x230 [ 72.594119][ T4996] ? direct_splice_read+0xa10/0xa10 [ 72.599413][ T4996] ? splice_from_pipe+0x230/0x230 [ 72.604474][ T4996] direct_splice_actor+0xe7/0x1c0 [ 72.609579][ T4996] splice_direct_to_actor+0x4c4/0xbd0 [ 72.614997][ T4996] ? do_splice_direct+0x3d0/0x3d0 [ 72.620096][ T4996] ? pipe_to_sendpage+0x350/0x350 [ 72.625201][ T4996] ? fsnotify_perm+0x67/0x590 [ 72.629939][ T4996] ? bpf_lsm_file_permission+0x9/0x10 [ 72.635505][ T4996] do_splice_direct+0x283/0x3d0 [ 72.640410][ T4996] ? splice_direct_to_actor+0xbd0/0xbd0 [ 72.646043][ T4996] ? rcu_read_lock_any_held+0xb7/0x160 [ 72.651557][ T4996] do_sendfile+0x620/0xff0 [ 72.656060][ T4996] ? ptrace_stop+0x75a/0x970 [ 72.660708][ T4996] ? do_pwritev+0x360/0x360 [ 72.665328][ T4996] ? _raw_spin_unlock_irq+0x2e/0x50 [ 72.670562][ T4996] ? ptrace_notify+0x278/0x380 [ 72.675436][ T4996] __se_sys_sendfile64+0x17c/0x1e0 [ 72.680593][ T4996] ? __x64_sys_sendfile64+0xb0/0xb0 [ 72.685907][ T4996] ? syscall_enter_from_user_mode+0x32/0x230 [ 72.691928][ T4996] ? syscall_enter_from_user_mode+0x8c/0x230 [ 72.697982][ T4996] do_syscall_64+0x41/0xc0 [ 72.702430][ T4996] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 72.708475][ T4996] RIP: 0033:0x7fa3120ce3e9 [ 72.712920][ T4996] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 17 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 [ 72.732949][ T4996] RSP: 002b:00007fa312072208 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 72.741452][ T4996] RAX: ffffffffffffffda RBX: 00007fa312151788 RCX: 00007fa3120ce3e9 [ 72.749492][ T4996] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 [ 72.757551][ T4996] RBP: 00007fa312151780 R08: 0000000000000000 R09: 0000000000000000 [ 72.765598][ T4996] R10: 000000000880000c R11: 0000000000000246 R12: 00007fa31215178c [ 72.773703][ T4996] R13: 00007fffc2cae10f R14: 00007fa312072300 R15: 0000000000022000 [ 72.781789][ T4996] [ 72.785159][ T4996] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 72.792987][ T4996] CPU: 0 PID: 4996 Comm: syz-executor740 Not tainted 6.4.0-rc7-syzkaller-00072-gdad9774deaf1 #0 [ 72.804015][ T4996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 [ 72.814186][ T4996] Call Trace: [ 72.817479][ T4996] [ 72.820418][ T4996] dump_stack_lvl+0x1e7/0x2d0 [ 72.825116][ T4996] ? nf_tcp_handle_invalid+0x650/0x650 [ 72.830683][ T4996] ? panic+0x770/0x770 [ 72.834790][ T4996] ? vscnprintf+0x5d/0x80 [ 72.839163][ T4996] panic+0x30f/0x770 [ 72.843071][ T4996] ? __warn+0x171/0x4a0 [ 72.847244][ T4996] ? __memcpy_flushcache+0x2b0/0x2b0 [ 72.852558][ T4996] __warn+0x314/0x4a0 [ 72.856564][ T4996] ? btrfs_run_delayed_refs+0x444/0x480 [ 72.862215][ T4996] report_bug+0x2b3/0x500 [ 72.866556][ T4996] ? btrfs_run_delayed_refs+0x444/0x480 [ 72.872152][ T4996] handle_bug+0x3d/0x70 [ 72.876412][ T4996] exc_invalid_op+0x1a/0x50 [ 72.881025][ T4996] asm_exc_invalid_op+0x1a/0x20 [ 72.885901][ T4996] RIP: 0010:btrfs_run_delayed_refs+0x444/0x480 [ 72.892085][ T4996] Code: fe c1 38 c1 0f 8c 54 fc ff ff 48 89 ef e8 44 fe 60 fe e9 47 fc ff ff e8 9a 26 09 fe 48 c7 c7 00 95 29 8b 89 ee e8 4c a5 d0 fd <0f> 0b eb 9e f3 0f 1e fa e8 7f 26 09 fe 48 8b 44 24 18 42 80 3c 28 [ 72.911750][ T4996] RSP: 0018:ffffc90003a6f070 EFLAGS: 00010246 [ 72.918103][ T4996] RAX: b1a953d201add500 RBX: ffff88807d0f8001 RCX: ffff888027350000 [ 72.926177][ T4996] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 72.934162][ T4996] RBP: 00000000ffffffe4 R08: ffffffff81530142 R09: fffff5200074ddc1 [ 72.942409][ T4996] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888076ab7e70 [ 72.950433][ T4996] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880146a1000 [ 72.958491][ T4996] ? __warn_printk+0x292/0x360 [ 72.963304][ T4996] btrfs_commit_transaction+0x427/0x3370 [ 72.968980][ T4996] ? join_transaction+0xbfd/0xe80 [ 72.974304][ T4996] ? do_raw_spin_lock+0x14d/0x3a0 [ 72.979687][ T4996] ? btrfs_commit_transaction_async+0x450/0x450 [ 72.986170][ T4996] ? slab_post_alloc_hook+0x83/0x3a0 [ 72.991578][ T4996] ? join_transaction+0xc52/0xe80 [ 72.996643][ T4996] ? join_transaction+0xc28/0xe80 [ 73.001703][ T4996] ? btrfs_record_root_in_trans+0x12d/0x180 [ 73.007649][ T4996] ? start_transaction+0x3de/0x1080 [ 73.012883][ T4996] btrfs_sync_file+0xcb3/0x10e0 [ 73.017769][ T4996] ? btrfs_release_file+0x130/0x130 [ 73.022983][ T4996] ? do_raw_spin_lock+0x14d/0x3a0 [ 73.028040][ T4996] ? do_raw_spin_unlock+0x13b/0x8b0 [ 73.033289][ T4996] btrfs_do_write_iter+0xccd/0x1270 [ 73.038526][ T4996] ? btrfs_check_nocow_unlock+0x40/0x40 [ 73.044095][ T4996] do_iter_write+0x7b1/0xcb0 [ 73.048819][ T4996] ? vfs_iter_write+0xa0/0xa0 [ 73.053531][ T4996] ? vfs_iter_write+0x6d/0xa0 [ 73.058234][ T4996] iter_file_splice_write+0x843/0xfe0 [ 73.063632][ T4996] ? btrfs_inode_lock+0x58/0xd0 [ 73.068522][ T4996] ? splice_from_pipe+0x230/0x230 [ 73.073565][ T4996] ? direct_splice_read+0xa10/0xa10 [ 73.078784][ T4996] ? splice_from_pipe+0x230/0x230 [ 73.083835][ T4996] direct_splice_actor+0xe7/0x1c0 [ 73.088940][ T4996] splice_direct_to_actor+0x4c4/0xbd0 [ 73.094350][ T4996] ? do_splice_direct+0x3d0/0x3d0 [ 73.099393][ T4996] ? pipe_to_sendpage+0x350/0x350 [ 73.104572][ T4996] ? fsnotify_perm+0x67/0x590 [ 73.109298][ T4996] ? bpf_lsm_file_permission+0x9/0x10 [ 73.114795][ T4996] do_splice_direct+0x283/0x3d0 [ 73.119671][ T4996] ? splice_direct_to_actor+0xbd0/0xbd0 [ 73.125231][ T4996] ? rcu_read_lock_any_held+0xb7/0x160 [ 73.130734][ T4996] do_sendfile+0x620/0xff0 [ 73.135172][ T4996] ? ptrace_stop+0x75a/0x970 [ 73.139875][ T4996] ? do_pwritev+0x360/0x360 [ 73.144396][ T4996] ? _raw_spin_unlock_irq+0x2e/0x50 [ 73.149611][ T4996] ? ptrace_notify+0x278/0x380 [ 73.154399][ T4996] __se_sys_sendfile64+0x17c/0x1e0 [ 73.159528][ T4996] ? __x64_sys_sendfile64+0xb0/0xb0 [ 73.164744][ T4996] ? syscall_enter_from_user_mode+0x32/0x230 [ 73.170750][ T4996] ? syscall_enter_from_user_mode+0x8c/0x230 [ 73.176756][ T4996] do_syscall_64+0x41/0xc0 [ 73.181194][ T4996] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 73.187111][ T4996] RIP: 0033:0x7fa3120ce3e9 [ 73.191562][ T4996] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 17 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 [ 73.211185][ T4996] RSP: 002b:00007fa312072208 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 73.219622][ T4996] RAX: ffffffffffffffda RBX: 00007fa312151788 RCX: 00007fa3120ce3e9 [ 73.227706][ T4996] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 [ 73.235691][ T4996] RBP: 00007fa312151780 R08: 0000000000000000 R09: 0000000000000000 [ 73.243675][ T4996] R10: 000000000880000c R11: 0000000000000246 R12: 00007fa31215178c [ 73.251666][ T4996] R13: 00007fffc2cae10f R14: 00007fa312072300 R15: 0000000000022000 [ 73.259667][ T4996] [ 73.262937][ T4996] Kernel Offset: disabled [ 73.267370][ T4996] Rebooting in 86400 seconds..