./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor919332690 <...> syzkaller syzkaller login: [ 46.099557][ T26] kauditd_printk_skb: 42 callbacks suppressed [ 46.099574][ T26] audit: type=1400 audit(1691525298.579:77): avc: denied { transition } for pid=4861 comm="sshd" path="/bin/sh" dev="sda1" ino=89 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 46.128416][ T26] audit: type=1400 audit(1691525298.579:78): avc: denied { noatsecure } for pid=4861 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 46.147815][ T26] audit: type=1400 audit(1691525298.589:79): avc: denied { write } for pid=4861 comm="sh" path="pipe:[29545]" dev="pipefs" ino=29545 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 46.183138][ T26] audit: type=1400 audit(1691525298.589:80): avc: denied { rlimitinh } for pid=4861 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 46.204878][ T26] audit: type=1400 audit(1691525298.589:81): avc: denied { siginh } for pid=4861 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 47.758461][ T26] audit: type=1400 audit(1691525300.239:82): avc: denied { read } for pid=4449 comm="syslogd" name="log" dev="sda1" ino=1915 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 Warning: Permanently added '10.128.0.237' (ED25519) to the list of known hosts. execve("./syz-executor919332690", ["./syz-executor919332690"], 0x7ffe65d10f70 /* 10 vars */) = 0 brk(NULL) = 0x555555a62000 brk(0x555555a62d40) = 0x555555a62d40 arch_prctl(ARCH_SET_FS, 0x555555a623c0) = 0 set_tid_address(0x555555a62690) = 5011 set_robust_list(0x555555a626a0, 24) = 0 rseq(0x555555a62ce0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor919332690", 4096) = 27 getrandom("\x70\xe2\x29\xdc\xed\x71\x23\xf9", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555a62d40 brk(0x555555a83d40) = 0x555555a83d40 brk(0x555555a84000) = 0x555555a84000 mprotect(0x7fa2da5f1000, 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 mkdir("./syzkaller.IVpXZl", 0700) = 0 chmod("./syzkaller.IVpXZl", 0777) = 0 chdir("./syzkaller.IVpXZl") = 0 futex(0x7fa2da5f76cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7fa2da590720, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fa2da5818d0}, NULL, 8) = 0 [ 60.525604][ T26] audit: type=1400 audit(1691525313.009:83): avc: denied { write } for pid=5008 comm="strace-static-x" path="pipe:[30051]" dev="pipefs" ino=30051 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 60.553885][ T26] audit: type=1400 audit(1691525313.039:84): avc: denied { append } for pid=4449 comm="syslogd" name="messages" dev="tmpfs" ino=3 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fa2da508000 mprotect(0x7fa2da509000, 131072, PROT_READ|PROT_WRITE) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa2da528990, parent_tid=0x7fa2da528990, exit_signal=0, stack=0x7fa2da508000, stack_size=0x20300, tls=0x7fa2da5286c0} => {parent_tid=[5012]}, 88) = 5012 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 futex(0x7fa2da5f76c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 futex(0x7fa2da5f76cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5012 attached [pid 5012] rseq(0x7fa2da528fe0, 0x20, 0, 0x53053053) = 0 [pid 5012] set_robust_list(0x7fa2da5289a0, 24) = 0 [pid 5012] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5012] memfd_create("syzkaller", 0) = 3 [pid 5012] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa2d2108000 [ 60.576102][ T26] audit: type=1400 audit(1691525313.039:85): avc: denied { open } for pid=4449 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=3 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 60.587543][ T5012] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5012 'syz-executor919' [ 60.599030][ T26] audit: type=1400 audit(1691525313.039:86): avc: denied { getattr } for pid=4449 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=3 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 60.631203][ T26] audit: type=1400 audit(1691525313.049:87): avc: denied { execmem } for pid=5011 comm="syz-executor919" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 5012] 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 5012] munmap(0x7fa2d2108000, 16777216) = 0 [pid 5012] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 60.775323][ T26] audit: type=1400 audit(1691525313.259:88): avc: denied { read write } for pid=5011 comm="syz-executor919" name="loop0" dev="devtmpfs" ino=648 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 60.800255][ T26] audit: type=1400 audit(1691525313.279:89): avc: denied { open } for pid=5011 comm="syz-executor919" path="/dev/loop0" dev="devtmpfs" ino=648 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [pid 5012] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5012] close(3) = 0 [pid 5012] mkdir("./file0", 0777) = 0 [ 60.802227][ T5012] loop0: detected capacity change from 0 to 32768 [ 60.824984][ T26] audit: type=1400 audit(1691525313.279:90): avc: denied { ioctl } for pid=5011 comm="syz-executor919" path="/dev/loop0" dev="devtmpfs" ino=648 ioctlcmd=0x4c00 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 60.838521][ T5012] BTRFS: device fsid d552757d-9c39-40e3-95f0-16d819589928 devid 1 transid 8 /dev/loop0 scanned by syz-executor919 (5012) [ 60.857180][ T26] audit: type=1400 audit(1691525313.319:91): avc: denied { mounton } for pid=5011 comm="syz-executor919" path="/root/syzkaller.IVpXZl/file0" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 60.900835][ T5012] BTRFS info (device loop0): using sha256 (sha256-avx2) checksum algorithm [ 60.909772][ T5012] BTRFS info (device loop0): using free space tree [pid 5012] mount("/dev/loop0", "./file0", "btrfs", 0, "") = 0 [pid 5012] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5012] chdir("./file0") = 0 [pid 5012] ioctl(4, LOOP_CLR_FD) = 0 [pid 5012] close(4) = 0 [pid 5012] futex(0x7fa2da5f76cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... futex resumed>) = 0 [pid 5011] futex(0x7fa2da5f76c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5011] futex(0x7fa2da5f76cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... futex resumed>) = 1 [pid 5012] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME, 000) = 4 [pid 5012] futex(0x7fa2da5f76cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... futex resumed>) = 0 [pid 5011] futex(0x7fa2da5f76c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5011] futex(0x7fa2da5f76cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... futex resumed>) = 1 [pid 5012] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_DIRECT|O_LARGEFILE|O_NOATIME|0x3c, 000) = 5 [pid 5012] futex(0x7fa2da5f76cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... futex resumed>) = 0 [pid 5011] futex(0x7fa2da5f76c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5011] futex(0x7fa2da5f76cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... futex resumed>) = 1 [pid 5012] fallocate(5, 0, 0, 1048816) = 0 [pid 5012] futex(0x7fa2da5f76cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5011] <... futex resumed>) = 0 [pid 5011] futex(0x7fa2da5f76c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5011] futex(0x7fa2da5f76cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5012] <... futex resumed>) = 1 [ 60.929098][ T5012] BTRFS info (device loop0): enabling ssd optimizations [ 60.936237][ T5012] BTRFS info (device loop0): auto enabling async discard [ 60.947364][ T26] audit: type=1400 audit(1691525313.429:92): avc: denied { mount } for pid=5011 comm="syz-executor919" name="/" dev="loop0" ino=256 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [pid 5012] sendfile(4, 5, NULL, 142606348 [pid 5011] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5011] futex(0x7fa2da5f76cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5011] futex(0x7fa2da5f76dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5011] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fa2d30e7000 [pid 5011] mprotect(0x7fa2d30e8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5011] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5011] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fa2d3107990, parent_tid=0x7fa2d3107990, exit_signal=0, stack=0x7fa2d30e7000, stack_size=0x20300, tls=0x7fa2d31076c0} => {parent_tid=[5030]}, 88) = 5030 [pid 5011] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5011] futex(0x7fa2da5f76d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5011] futex(0x7fa2da5f76dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5030 attached [pid 5030] rseq(0x7fa2d3107fe0, 0x20, 0, 0x53053053) = 0 [pid 5030] set_robust_list(0x7fa2d31079a0, 24) = 0 [pid 5030] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5030] open(".", O_RDONLY) = 6 [pid 5030] futex(0x7fa2da5f76dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5011] <... futex resumed>) = 0 [pid 5030] futex(0x7fa2da5f76d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5011] futex(0x7fa2da5f76d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5030] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5011] <... futex resumed>) = 0 [pid 5030] ioctl(6, BTRFS_IOC_BALANCE_V2, {flags=0} [pid 5011] futex(0x7fa2da5f76dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [ 61.108171][ T5030] BTRFS info (device loop0): balance: start [ 61.117328][ T5012] ------------[ cut here ]------------ [ 61.123184][ T5012] BTRFS: Transaction aborted (error -28) [ 61.129796][ T5030] BTRFS info (device loop0: state A): balance: ended with status: 0 [ 61.138570][ T5012] WARNING: CPU: 1 PID: 5012 at fs/btrfs/extent-tree.c:3055 __btrfs_free_extent+0x19ea/0x2c30 [ 61.148878][ T5012] Modules linked in: [ 61.152861][ T5012] CPU: 1 PID: 5012 Comm: syz-executor919 Not tainted 6.5.0-rc5-syzkaller-00029-g14f9643dc90a #0 [ 61.163368][ T5012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 61.173611][ T5012] RIP: 0010:__btrfs_free_extent+0x19ea/0x2c30 [ 61.179758][ T5012] Code: 00 e8 ea 24 1a fe 0f 1f 44 00 00 bb 01 00 00 00 e9 f5 f7 ff ff e8 d6 24 1a fe 8b 74 24 58 48 c7 c7 40 e7 b4 8a e8 26 e6 e0 fd <0f> 0b e9 eb f0 ff ff e8 ba 24 1a fe 48 8b 54 24 30 48 b8 00 00 00 [ 61.199539][ T5012] RSP: 0018:ffffc900033aef90 EFLAGS: 00010282 [ 61.205708][ T5012] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 61.213777][ T5012] RDX: ffff888028e88040 RSI: ffffffff814be346 RDI: 0000000000000001 [ 61.221781][ T5012] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 61.229808][ T5012] R10: 0000000000000001 R11: 0000000000000001 R12: ffff88807d7146e0 [ 61.237881][ T5012] R13: ffff88807785abf8 R14: 00000000ffffffe4 R15: 0000000000623000 [ 61.245926][ T5012] FS: 00007fa2da5286c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 61.254912][ T5012] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.261496][ T5012] CR2: 00007f5808a4c0f0 CR3: 0000000021ae1000 CR4: 00000000003506e0 [ 61.269519][ T5012] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.277538][ T5012] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.285567][ T5012] Call Trace: [ 61.288872][ T5012] [ 61.291814][ T5012] ? __warn+0xe6/0x380 [ 61.295942][ T5012] ? __btrfs_free_extent+0x19ea/0x2c30 [ 61.301427][ T5012] ? report_bug+0x3bc/0x580 [pid 5011] exit_group(0) = ? [ 61.305999][ T5012] ? handle_bug+0x3c/0x70 [ 61.310359][ T5012] ? exc_invalid_op+0x17/0x40 [ 61.315122][ T5012] ? asm_exc_invalid_op+0x1a/0x20 [ 61.320427][ T5012] ? __warn_printk+0x1a6/0x350 [ 61.325246][ T5012] ? __btrfs_free_extent+0x19ea/0x2c30 [ 61.331523][ T5012] ? lookup_extent_backref+0x110/0x110 [ 61.337090][ T5012] ? __btrfs_run_delayed_refs+0x60b/0x3b80 [ 61.343267][ T5012] ? reacquire_held_locks+0x4b0/0x4b0 [ 61.348647][ T5012] ? _raw_read_unlock+0x28/0x40 [ 61.353565][ T5012] ? btrfs_merge_delayed_refs+0x47e/0x570 [ 61.359314][ T5012] __btrfs_run_delayed_refs+0xd3d/0x3b80 [ 61.364998][ T5012] ? check_ref_cleanup+0x3e0/0x3e0 [ 61.370134][ T5012] ? lock_sync+0x190/0x190 [ 61.374612][ T5012] btrfs_run_delayed_refs+0x1a1/0x510 [ 61.380006][ T5012] btrfs_commit_transaction+0x81a/0x3fd0 [ 61.385691][ T5012] ? create_pending_snapshots+0x2d0/0x2d0 [ 61.391427][ T5012] ? start_transaction+0x2a5/0x14d0 [ 61.396701][ T5012] btrfs_sync_file+0xfa1/0x1310 [ 61.401592][ T5012] ? start_ordered_ops.constprop.0+0x100/0x100 [ 61.407838][ T5012] ? wake_up_var+0x120/0x120 [ 61.412449][ T5012] ? start_ordered_ops.constprop.0+0x100/0x100 [ 61.418674][ T5012] vfs_fsync_range+0x141/0x220 [ 61.423475][ T5012] iomap_dio_complete+0x812/0x9e0 [ 61.428502][ T5012] btrfs_do_write_iter+0xa00/0x11a0 [ 61.433760][ T5012] ? btrfs_fdatawrite_range+0x110/0x110 [ 61.439356][ T5012] ? preempt_count_sub+0x150/0x150 [ 61.444710][ T5012] do_iter_readv_writev+0x21e/0x3c0 [ 61.449950][ T5012] ? generic_copy_file_range+0x1d0/0x1d0 [ 61.455728][ T5012] ? avc_policy_seqno+0x9/0x10 [ 61.460549][ T5012] ? selinux_file_permission+0x126/0x590 [ 61.466228][ T5012] ? security_file_permission+0x94/0x100 [ 61.471891][ T5012] do_iter_write+0x17f/0x830 [ 61.476562][ T5012] vfs_iter_write+0x7a/0xb0 [ 61.481101][ T5012] iter_file_splice_write+0x698/0xbf0 [ 61.486520][ T5012] ? splice_from_pipe_next+0x5d0/0x5d0 [ 61.491995][ T5012] ? warn_unsupported+0xc0/0xc0 [ 61.496926][ T5012] ? security_file_permission+0xdc/0x100 [ 61.502575][ T5012] ? splice_from_pipe_next+0x5d0/0x5d0 [ 61.508080][ T5012] direct_splice_actor+0x118/0x180 [ 61.513282][ T5012] splice_direct_to_actor+0x347/0xa30 [ 61.518663][ T5012] ? folio_flags.constprop.0+0x150/0x150 [ 61.524349][ T5012] ? vfs_splice_read+0x3b0/0x3b0 [ 61.529319][ T5012] ? security_file_permission+0x94/0x100 [ 61.535035][ T5012] do_splice_direct+0x1af/0x280 [ 61.539905][ T5012] ? splice_direct_to_actor+0xa30/0xa30 [ 61.545492][ T5012] ? propagate_umount+0x1af0/0x1af0 [ 61.550707][ T5012] do_sendfile+0xb88/0x1390 [ 61.555275][ T5012] ? vfs_iocb_iter_write+0x4c0/0x4c0 [ 61.560589][ T5012] ? ptrace_notify+0xf4/0x130 [ 61.565334][ T5012] ? reacquire_held_locks+0x4b0/0x4b0 [ 61.570730][ T5012] __x64_sys_sendfile64+0x1d6/0x220 [ 61.576033][ T5012] ? __ia32_sys_sendfile+0x220/0x220 [ 61.581335][ T5012] ? lockdep_hardirqs_on+0x7d/0x100 [ 61.586571][ T5012] ? _raw_spin_unlock_irq+0x2e/0x50 [ 61.591795][ T5012] ? ptrace_notify+0xf4/0x130 [ 61.596525][ T5012] do_syscall_64+0x38/0xb0 [ 61.600958][ T5012] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 61.606889][ T5012] RIP: 0033:0x7fa2da56a3c9 [ 61.611316][ T5012] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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 b0 ff ff ff f7 d8 64 89 01 48 [ 61.631523][ T5012] RSP: 002b:00007fa2da528218 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 61.640202][ T5012] RAX: ffffffffffffffda RBX: 00007fa2da5f76c8 RCX: 00007fa2da56a3c9 [ 61.648242][ T5012] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 [ 61.656260][ T5012] RBP: 00007fa2da5f76c0 R08: 0000000000000000 R09: 0000000000000000 [ 61.664313][ T5012] R10: 000000000880000c R11: 0000000000000246 R12: 00007fa2da5c460c [ 61.672298][ T5012] R13: 0000000020000600 R14: 00007fa2da5bf060 R15: 0030656c69662f2e [ 61.680323][ T5012] [ 61.683388][ T5012] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 61.690653][ T5012] CPU: 1 PID: 5012 Comm: syz-executor919 Not tainted 6.5.0-rc5-syzkaller-00029-g14f9643dc90a #0 [ 61.701152][ T5012] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 61.711208][ T5012] Call Trace: [ 61.714483][ T5012] [ 61.717407][ T5012] dump_stack_lvl+0xd9/0x1b0 [ 61.722006][ T5012] panic+0x6a4/0x750 [ 61.725990][ T5012] ? panic_smp_self_stop+0xa0/0xa0 [ 61.732669][ T5012] ? show_trace_log_lvl+0x29d/0x3c0 [ 61.738070][ T5012] ? __btrfs_free_extent+0x19ea/0x2c30 [ 61.743535][ T5012] check_panic_on_warn+0xab/0xb0 [ 61.748486][ T5012] __warn+0xf2/0x380 [ 61.752373][ T5012] ? __btrfs_free_extent+0x19ea/0x2c30 [ 61.757828][ T5012] report_bug+0x3bc/0x580 [ 61.762174][ T5012] handle_bug+0x3c/0x70 [ 61.766336][ T5012] exc_invalid_op+0x17/0x40 [ 61.770834][ T5012] asm_exc_invalid_op+0x1a/0x20 [ 61.775702][ T5012] RIP: 0010:__btrfs_free_extent+0x19ea/0x2c30 [ 61.781806][ T5012] Code: 00 e8 ea 24 1a fe 0f 1f 44 00 00 bb 01 00 00 00 e9 f5 f7 ff ff e8 d6 24 1a fe 8b 74 24 58 48 c7 c7 40 e7 b4 8a e8 26 e6 e0 fd <0f> 0b e9 eb f0 ff ff e8 ba 24 1a fe 48 8b 54 24 30 48 b8 00 00 00 [ 61.801442][ T5012] RSP: 0018:ffffc900033aef90 EFLAGS: 00010282 [ 61.807524][ T5012] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 61.815502][ T5012] RDX: ffff888028e88040 RSI: ffffffff814be346 RDI: 0000000000000001 [ 61.823663][ T5012] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 [ 61.831729][ T5012] R10: 0000000000000001 R11: 0000000000000001 R12: ffff88807d7146e0 [ 61.840144][ T5012] R13: ffff88807785abf8 R14: 00000000ffffffe4 R15: 0000000000623000 [ 61.848480][ T5012] ? __warn_printk+0x1a6/0x350 [ 61.853294][ T5012] ? lookup_extent_backref+0x110/0x110 [ 61.858768][ T5012] ? __btrfs_run_delayed_refs+0x60b/0x3b80 [ 61.864603][ T5012] ? reacquire_held_locks+0x4b0/0x4b0 [ 61.869996][ T5012] ? _raw_read_unlock+0x28/0x40 [ 61.874871][ T5012] ? btrfs_merge_delayed_refs+0x47e/0x570 [ 61.880608][ T5012] __btrfs_run_delayed_refs+0xd3d/0x3b80 [ 61.886752][ T5012] ? check_ref_cleanup+0x3e0/0x3e0 [ 61.891880][ T5012] ? lock_sync+0x190/0x190 [ 61.896316][ T5012] btrfs_run_delayed_refs+0x1a1/0x510 [ 61.901706][ T5012] btrfs_commit_transaction+0x81a/0x3fd0 [ 61.907359][ T5012] ? create_pending_snapshots+0x2d0/0x2d0 [ 61.913096][ T5012] ? start_transaction+0x2a5/0x14d0 [ 61.918318][ T5012] btrfs_sync_file+0xfa1/0x1310 [ 61.923211][ T5012] ? start_ordered_ops.constprop.0+0x100/0x100 [ 61.929391][ T5012] ? wake_up_var+0x120/0x120 [ 61.934000][ T5012] ? start_ordered_ops.constprop.0+0x100/0x100 [ 61.941575][ T5012] vfs_fsync_range+0x141/0x220 [ 61.946640][ T5012] iomap_dio_complete+0x812/0x9e0 [ 61.951699][ T5012] btrfs_do_write_iter+0xa00/0x11a0 [ 61.956925][ T5012] ? btrfs_fdatawrite_range+0x110/0x110 [ 61.962495][ T5012] ? preempt_count_sub+0x150/0x150 [ 61.967627][ T5012] do_iter_readv_writev+0x21e/0x3c0 [ 61.972847][ T5012] ? generic_copy_file_range+0x1d0/0x1d0 [ 61.978504][ T5012] ? avc_policy_seqno+0x9/0x10 [ 61.983292][ T5012] ? selinux_file_permission+0x126/0x590 [ 61.988951][ T5012] ? security_file_permission+0x94/0x100 [ 61.994683][ T5012] do_iter_write+0x17f/0x830 [ 61.999298][ T5012] vfs_iter_write+0x7a/0xb0 [ 62.003825][ T5012] iter_file_splice_write+0x698/0xbf0 [ 62.009212][ T5012] ? splice_from_pipe_next+0x5d0/0x5d0 [ 62.014682][ T5012] ? warn_unsupported+0xc0/0xc0 [ 62.019805][ T5012] ? security_file_permission+0xdc/0x100 [ 62.025449][ T5012] ? splice_from_pipe_next+0x5d0/0x5d0 [ 62.031006][ T5012] direct_splice_actor+0x118/0x180 [ 62.036132][ T5012] splice_direct_to_actor+0x347/0xa30 [ 62.041601][ T5012] ? folio_flags.constprop.0+0x150/0x150 [ 62.047248][ T5012] ? vfs_splice_read+0x3b0/0x3b0 [ 62.052191][ T5012] ? security_file_permission+0x94/0x100 [ 62.057840][ T5012] do_splice_direct+0x1af/0x280 [ 62.062702][ T5012] ? splice_direct_to_actor+0xa30/0xa30 [ 62.068259][ T5012] ? propagate_umount+0x1af0/0x1af0 [ 62.073471][ T5012] do_sendfile+0xb88/0x1390 [ 62.078000][ T5012] ? vfs_iocb_iter_write+0x4c0/0x4c0 [ 62.083328][ T5012] ? ptrace_notify+0xf4/0x130 [ 62.088037][ T5012] ? reacquire_held_locks+0x4b0/0x4b0 [ 62.093428][ T5012] __x64_sys_sendfile64+0x1d6/0x220 [ 62.098637][ T5012] ? __ia32_sys_sendfile+0x220/0x220 [ 62.103933][ T5012] ? lockdep_hardirqs_on+0x7d/0x100 [ 62.109145][ T5012] ? _raw_spin_unlock_irq+0x2e/0x50 [ 62.114367][ T5012] ? ptrace_notify+0xf4/0x130 [ 62.119053][ T5012] do_syscall_64+0x38/0xb0 [ 62.123481][ T5012] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 62.130458][ T5012] RIP: 0033:0x7fa2da56a3c9 [ 62.134984][ T5012] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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 b0 ff ff ff f7 d8 64 89 01 48 [ 62.155068][ T5012] RSP: 002b:00007fa2da528218 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 62.163779][ T5012] RAX: ffffffffffffffda RBX: 00007fa2da5f76c8 RCX: 00007fa2da56a3c9 [ 62.171783][ T5012] RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 [ 62.179788][ T5012] RBP: 00007fa2da5f76c0 R08: 0000000000000000 R09: 0000000000000000 [ 62.187774][ T5012] R10: 000000000880000c R11: 0000000000000246 R12: 00007fa2da5c460c [ 62.195754][ T5012] R13: 0000000020000600 R14: 00007fa2da5bf060 R15: 0030656c69662f2e [ 62.203738][ T5012] [ 62.206944][ T5012] Kernel Offset: disabled [ 62.211370][ T5012] Rebooting in 86400 seconds..