./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1112914231 <...> Warning: Permanently added '10.128.1.5' (ED25519) to the list of known hosts. execve("./syz-executor1112914231", ["./syz-executor1112914231"], 0x7ffdde4f1b30 /* 10 vars */) = 0 brk(NULL) = 0x555555e6a000 brk(0x555555e6ad00) = 0x555555e6ad00 arch_prctl(ARCH_SET_FS, 0x555555e6a380) = 0 set_tid_address(0x555555e6a650) = 5013 set_robust_list(0x555555e6a660, 24) = 0 rseq(0x555555e6aca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1112914231", 4096) = 28 getrandom("\x56\x8c\x88\xea\x6e\x72\xae\x12", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555e6ad00 brk(0x555555e8bd00) = 0x555555e8bd00 brk(0x555555e8c000) = 0x555555e8c000 mprotect(0x7fcdfe1be000, 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 5014 attached , child_tidptr=0x555555e6a650) = 5014 [pid 5014] set_robust_list(0x555555e6a660, 24) = 0 [pid 5014] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5014] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5014] setsid() = 1 [pid 5014] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5014] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5014] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5014] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5014] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5014] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5014] unshare(CLONE_NEWNS) = 0 [pid 5014] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5014] unshare(CLONE_NEWIPC) = 0 [pid 5014] unshare(CLONE_NEWCGROUP) = 0 [pid 5014] unshare(CLONE_NEWUTS) = 0 [pid 5014] unshare(CLONE_SYSVSEM) = 0 [pid 5014] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "16777216", 8) = 8 [pid 5014] close(3) = 0 [pid 5014] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "536870912", 9) = 9 [pid 5014] close(3) = 0 [pid 5014] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "1024", 4) = 4 [pid 5014] close(3) = 0 [pid 5014] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "8192", 4) = 4 [pid 5014] close(3) = 0 [pid 5014] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "1024", 4) = 4 [pid 5014] close(3) = 0 [pid 5014] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "1024", 4) = 4 [pid 5014] close(3) = 0 [pid 5014] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5014] close(3) = 0 [pid 5014] getpid() = 1 [pid 5014] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< {fm_flags=0, fm_mapped_extents=1, ...}) = 0 [pid 5014] exit_group(1) = ? [ 69.078055][ T5014] BTRFS info (device loop0): enabling ssd optimizations [ 69.085115][ T5014] BTRFS info (device loop0): auto enabling async discard [ 69.163673][ T5014] BTRFS warning (device loop0): transaction 9 (with 0 dirty metadata bytes) is not committed [ 69.183151][ T5014] assertion failed: !found, in fs/btrfs/disk-io.c:4248 [ 69.190376][ T5014] ------------[ cut here ]------------ [ 69.196340][ T5014] kernel BUG at fs/btrfs/disk-io.c:4248! [ 69.202985][ T5014] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 69.209086][ T5014] CPU: 1 PID: 5014 Comm: syz-executor111 Not tainted 6.5.0-rc7-syzkaller-00164-g382d4cd18475 #0 [ 69.219519][ T5014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 69.229656][ T5014] RIP: 0010:close_ctree+0xcf2/0xd00 [ 69.234901][ T5014] Code: f6 e9 98 fc ff ff e8 3d 8d d0 f6 48 c7 c7 a0 0c 4a 8b 48 c7 c6 00 59 4a 8b 48 c7 c2 20 0d 4a 8b b9 98 10 00 00 e8 7e 95 ff ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 66 0f 1f 00 55 41 57 41 [ 69.254505][ T5014] RSP: 0018:ffffc90003a9f9e0 EFLAGS: 00010246 [ 69.260566][ T5014] RAX: 0000000000000034 RBX: ffff888078604cd8 RCX: d47d93e55d142300 [ 69.268535][ T5014] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 69.276503][ T5014] RBP: ffffc90003a9fb78 R08: ffffffff816f0d3c R09: 1ffff92000753ef0 [ 69.284464][ T5014] R10: dffffc0000000000 R11: fffff52000753ef1 R12: ffff888078604cd8 [ 69.292422][ T5014] R13: ffff88802ce29000 R14: ffff88802ce29028 R15: ffffc90003a9fa80 [ 69.300385][ T5014] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 69.309302][ T5014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.315871][ T5014] CR2: 00007ffdc401a908 CR3: 00000000240a1000 CR4: 00000000003506e0 [ 69.323835][ T5014] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.331791][ T5014] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.339748][ T5014] Call Trace: [ 69.343028][ T5014] [ 69.345954][ T5014] ? __die_body+0x5e/0xa0 [ 69.350280][ T5014] ? die+0x87/0xb0 [ 69.354095][ T5014] ? do_trap+0x11e/0x350 [ 69.358414][ T5014] ? close_ctree+0xcf2/0xd00 [ 69.362999][ T5014] ? close_ctree+0xcf2/0xd00 [ 69.367582][ T5014] ? do_error_trap+0x141/0x1f0 [ 69.372417][ T5014] ? close_ctree+0xcf2/0xd00 [ 69.377000][ T5014] ? do_int3+0x30/0x30 [ 69.381061][ T5014] ? report_bug+0x3e4/0x500 [ 69.385563][ T5014] ? handle_invalid_op+0x2c/0x40 [ 69.390486][ T5014] ? close_ctree+0xcf2/0xd00 [ 69.395071][ T5014] ? exc_invalid_op+0x33/0x50 [ 69.399735][ T5014] ? asm_exc_invalid_op+0x1a/0x20 [ 69.404747][ T5014] ? __wake_up_klogd+0xcc/0x100 [ 69.409674][ T5014] ? close_ctree+0xcf2/0xd00 [ 69.414260][ T5014] ? init_tree_roots+0x1db0/0x1db0 [ 69.419362][ T5014] ? hook_inode_free_security+0xb0/0xb0 [ 69.424903][ T5014] ? __fsnotify_vfsmount_delete+0x20/0x20 [ 69.430612][ T5014] ? clear_inode+0x150/0x150 [ 69.435193][ T5014] ? dput+0x403/0x420 [ 69.439170][ T5014] ? fscrypt_destroy_keyring+0x273/0x290 [ 69.444790][ T5014] ? btrfs_fill_super+0x2f0/0x2f0 [ 69.449802][ T5014] generic_shutdown_super+0x134/0x340 [ 69.455685][ T5014] kill_anon_super+0x3b/0x60 [ 69.460262][ T5014] btrfs_kill_super+0x41/0x50 [ 69.464930][ T5014] deactivate_locked_super+0xa4/0x110 [ 69.470390][ T5014] cleanup_mnt+0x426/0x4c0 [ 69.474795][ T5014] ? _raw_spin_unlock_irq+0x23/0x50 [ 69.479982][ T5014] task_work_run+0x24a/0x300 [ 69.484582][ T5014] ? kasan_quarantine_put+0xd8/0x230 [ 69.489863][ T5014] ? task_work_cancel+0x2b0/0x2b0 [ 69.494880][ T5014] ? kmem_cache_free+0x292/0x500 [ 69.499808][ T5014] ? do_exit+0x68a/0x2290 [ 69.504208][ T5014] do_exit+0x68f/0x2290 [ 69.508355][ T5014] ? put_task_struct+0x80/0x80 [ 69.513198][ T5014] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 69.519166][ T5014] ? print_irqtrace_events+0x220/0x220 [ 69.524613][ T5014] ? _raw_spin_unlock_irq+0x23/0x50 [ 69.529800][ T5014] ? lockdep_hardirqs_on+0x98/0x140 [ 69.535072][ T5014] do_group_exit+0x206/0x2c0 [ 69.539669][ T5014] __x64_sys_exit_group+0x3f/0x40 [ 69.544685][ T5014] do_syscall_64+0x41/0xc0 [ 69.549095][ T5014] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 69.554984][ T5014] RIP: 0033:0x7fcdfe1439c9 [ 69.559385][ T5014] Code: Unable to access opcode bytes at 0x7fcdfe14399f. [ 69.566382][ T5014] RSP: 002b:00007ffe46993af8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 69.574783][ T5014] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fcdfe1439c9 [ 69.582742][ T5014] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 69.590715][ T5014] RBP: 00007fcdfe1c42d0 R08: ffffffffffffffb8 R09: 00007ffe46993bd0 [ 69.598686][ T5014] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcdfe1c42d0 [ 69.607521][ T5014] R13: 0000000000000000 R14: 00007fcdfe1c5040 R15: 00007fcdfe111f10 [ 69.615501][ T5014] [ 69.618508][ T5014] Modules linked in: [ 69.627275][ T5014] ---[ end trace 0000000000000000 ]--- [ 69.634352][ T5014] RIP: 0010:close_ctree+0xcf2/0xd00 [ 69.639943][ T5014] Code: f6 e9 98 fc ff ff e8 3d 8d d0 f6 48 c7 c7 a0 0c 4a 8b 48 c7 c6 00 59 4a 8b 48 c7 c2 20 0d 4a 8b b9 98 10 00 00 e8 7e 95 ff ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 66 90 66 0f 1f 00 55 41 57 41 [ 69.660965][ T5014] RSP: 0018:ffffc90003a9f9e0 EFLAGS: 00010246 [ 69.667140][ T5014] RAX: 0000000000000034 RBX: ffff888078604cd8 RCX: d47d93e55d142300 [ 69.675662][ T5014] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 69.685914][ T5014] RBP: ffffc90003a9fb78 R08: ffffffff816f0d3c R09: 1ffff92000753ef0 [ 69.694113][ T5014] R10: dffffc0000000000 R11: fffff52000753ef1 R12: ffff888078604cd8 [ 69.702226][ T5014] R13: ffff88802ce29000 R14: ffff88802ce29028 R15: ffffc90003a9fa80 [ 69.710189][ T5014] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 69.719208][ T5014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.726471][ T5014] CR2: 00007ffdc401a908 CR3: 0000000023a63000 CR4: 00000000003506e0 [ 69.734539][ T5014] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.742602][ T5014] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.750636][ T5014] Kernel panic - not syncing: Fatal exception [ 69.756980][ T5014] Kernel Offset: disabled [ 69.761294][ T5014] Rebooting in 86400 seconds..