./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor42048970 <...> Warning: Permanently added '10.128.1.24' (ECDSA) to the list of known hosts. execve("./syz-executor42048970", ["./syz-executor42048970"], 0x7ffccc5a6df0 /* 10 vars */) = 0 brk(NULL) = 0x5555564ea000 brk(0x5555564eac40) = 0x5555564eac40 arch_prctl(ARCH_SET_FS, 0x5555564ea300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor42048970", 4096) = 26 brk(0x55555650bc40) = 0x55555650bc40 brk(0x55555650c000) = 0x55555650c000 mprotect(0x7efd10d00000, 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, child_tidptr=0x5555564ea5d0) = 3603 ./strace-static-x86_64: Process 3603 attached [pid 3603] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3603] setsid() = 1 [pid 3603] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3603] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3603] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3603] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3603] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3603] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3603] unshare(CLONE_NEWNS) = 0 [pid 3603] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3603] unshare(CLONE_NEWIPC) = 0 [pid 3603] unshare(CLONE_NEWCGROUP) = 0 [pid 3603] unshare(CLONE_NEWUTS) = 0 [pid 3603] unshare(CLONE_SYSVSEM) = 0 [pid 3603] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3603] write(3, "16777216", 8) = 8 [pid 3603] close(3) = 0 [pid 3603] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3603] write(3, "536870912", 9) = 9 [pid 3603] close(3) = 0 [pid 3603] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3603] write(3, "1024", 4) = 4 [pid 3603] close(3) = 0 [pid 3603] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3603] write(3, "8192", 4) = 4 [pid 3603] close(3) = 0 [pid 3603] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3603] write(3, "1024", 4) = 4 [pid 3603] close(3) = 0 [pid 3603] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3603] write(3, "1024", 4) = 4 [pid 3603] close(3) = 0 [pid 3603] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3603] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3603] close(3) = 0 [pid 3603] getpid() = 1 [pid 3603] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e9 33 ff ff ff 4c 89 ff e8 eb 56 f4 fe e9 8e fd ff ff e8 e1 [ 36.884972][ T3603] RSP: 0018:ffffc90003fafac8 EFLAGS: 00010293 [ 36.891333][ T3603] RAX: 0000000000000000 RBX: ffff88806f458158 RCX: 0000000000000000 [ 36.899368][ T3603] RDX: ffff88807c480000 RSI: ffffffff82d495e6 RDI: 0000000000000005 [ 36.907404][ T3603] RBP: ffff88801dbb8400 R08: 0000000000000005 R09: 0000000000000000 [ 36.915431][ T3603] R10: 0000000000000001 R11: 000000000008c07e R12: ffff88801c9fc000 [ 36.923402][ T3603] R13: ffff88801dbb84c0 R14: 0000000000000001 R15: ffff88801c9fc678 [ 36.931422][ T3603] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 36.940381][ T3603] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.947020][ T3603] CR2: 000055e19ae1bfb0 CR3: 000000007f231000 CR4: 0000000000350ee0 [ 36.955028][ T3603] Call Trace: [ 36.958296][ T3603] [ 36.961206][ T3603] udf_evict_inode+0x348/0x580 [ 36.966030][ T3603] ? udf_setsize+0x1080/0x1080 [ 36.970839][ T3603] evict+0x2ed/0x6b0 [ 36.974783][ T3603] iput.part.0+0x59b/0x880 [ 36.979237][ T3603] iput+0x58/0x70 [ 36.982962][ T3603] udf_sb_free_partitions.isra.0+0x325/0x560 [ 36.989014][ T3603] ? __sync_dirty_buffer+0x1f7/0x370 [ 36.994330][ T3603] ? udf_close_lvid.isra.0+0x44c/0x550 [ 36.999778][ T3603] udf_put_super+0x133/0x220 [ 37.004410][ T3603] ? udf_close_lvid.isra.0+0x550/0x550 [ 37.009892][ T3603] generic_shutdown_super+0x154/0x410 [ 37.015294][ T3603] kill_block_super+0x97/0xf0 [ 37.019990][ T3603] deactivate_locked_super+0x94/0x160 [ 37.025408][ T3603] deactivate_super+0xad/0xd0 [ 37.030091][ T3603] cleanup_mnt+0x2ae/0x3d0 [ 37.034580][ T3603] task_work_run+0x16b/0x270 [ 37.039230][ T3603] ? task_work_cancel+0x30/0x30 [ 37.044185][ T3603] do_exit+0xb35/0x2a20 [ 37.048359][ T3603] ? lock_downgrade+0x6e0/0x6e0 [ 37.053195][ T3603] ? do_raw_spin_lock+0x120/0x2a0 [ 37.058330][ T3603] ? mm_update_next_owner+0x7b0/0x7b0 [ 37.063727][ T3603] ? rwlock_bug.part.0+0x90/0x90 [ 37.068719][ T3603] do_group_exit+0xd0/0x2a0 [ 37.073246][ T3603] __x64_sys_exit_group+0x3a/0x50 [ 37.078300][ T3603] do_syscall_64+0x35/0xb0 [ 37.082737][ T3603] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 37.088664][ T3603] RIP: 0033:0x7efd10c8fc99 [ 37.093087][ T3603] Code: Unable to access opcode bytes at 0x7efd10c8fc6f. [ 37.100124][ T3603] RSP: 002b:00007ffd57443078 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 37.108576][ T3603] RAX: ffffffffffffffda RBX: 00007efd10d063f0 RCX: 00007efd10c8fc99 [ 37.116607][ T3603] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 37.124638][ T3603] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007efd10d00e40 [ 37.132611][ T3603] R10: 00007efd10d00e40 R11: 0000000000000246 R12: 00007efd10d063f0 [ 37.140631][ T3603] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 37.148700][ T3603] [ 37.151748][ T3603] Kernel panic - not syncing: panic_on_warn set ... [ 37.158324][ T3603] CPU: 1 PID: 3603 Comm: syz-executor420 Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0 [ 37.168715][ T3603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 37.178751][ T3603] Call Trace: [ 37.182010][ T3603] [ 37.184922][ T3603] dump_stack_lvl+0xcd/0x134 [ 37.189501][ T3603] panic+0x2c8/0x622 [ 37.193398][ T3603] ? panic_print_sys_info.part.0+0x110/0x110 [ 37.199367][ T3603] ? __warn.cold+0x24b/0x350 [ 37.203942][ T3603] ? udf_free_inode+0x2b6/0x320 [ 37.208779][ T3603] __warn.cold+0x25c/0x350 [ 37.213190][ T3603] ? udf_free_inode+0x2b6/0x320 [ 37.218091][ T3603] report_bug+0x1bc/0x210 [ 37.222504][ T3603] handle_bug+0x3c/0x70 [ 37.226661][ T3603] exc_invalid_op+0x14/0x40 [ 37.231183][ T3603] asm_exc_invalid_op+0x16/0x20 [ 37.236028][ T3603] RIP: 0010:udf_free_inode+0x2b6/0x320 [ 37.241475][ T3603] Code: 24 01 e9 72 fe ff ff e8 b8 06 a8 fe 0f 0b 48 89 df e8 ee 56 f4 fe e9 04 fe ff ff e8 f4 56 f4 fe e9 50 fe ff ff e8 9a 06 a8 fe <0f> 0b e9 33 ff ff ff 4c 89 ff e8 eb 56 f4 fe e9 8e fd ff ff e8 e1 [ 37.261159][ T3603] RSP: 0018:ffffc90003fafac8 EFLAGS: 00010293 [ 37.267214][ T3603] RAX: 0000000000000000 RBX: ffff88806f458158 RCX: 0000000000000000 [ 37.275190][ T3603] RDX: ffff88807c480000 RSI: ffffffff82d495e6 RDI: 0000000000000005 [ 37.283146][ T3603] RBP: ffff88801dbb8400 R08: 0000000000000005 R09: 0000000000000000 [ 37.291110][ T3603] R10: 0000000000000001 R11: 000000000008c07e R12: ffff88801c9fc000 [ 37.299092][ T3603] R13: ffff88801dbb84c0 R14: 0000000000000001 R15: ffff88801c9fc678 [ 37.307055][ T3603] ? udf_free_inode+0x2b6/0x320 [ 37.311900][ T3603] ? udf_free_inode+0x2b6/0x320 [ 37.316738][ T3603] udf_evict_inode+0x348/0x580 [ 37.321490][ T3603] ? udf_setsize+0x1080/0x1080 [ 37.326241][ T3603] evict+0x2ed/0x6b0 [ 37.330125][ T3603] iput.part.0+0x59b/0x880 [ 37.334532][ T3603] iput+0x58/0x70 [ 37.338153][ T3603] udf_sb_free_partitions.isra.0+0x325/0x560 [ 37.344129][ T3603] ? __sync_dirty_buffer+0x1f7/0x370 [ 37.349440][ T3603] ? udf_close_lvid.isra.0+0x44c/0x550 [ 37.354889][ T3603] udf_put_super+0x133/0x220 [ 37.359468][ T3603] ? udf_close_lvid.isra.0+0x550/0x550 [ 37.364917][ T3603] generic_shutdown_super+0x154/0x410 [ 37.370276][ T3603] kill_block_super+0x97/0xf0 [ 37.374940][ T3603] deactivate_locked_super+0x94/0x160 [ 37.380387][ T3603] deactivate_super+0xad/0xd0 [ 37.385054][ T3603] cleanup_mnt+0x2ae/0x3d0 [ 37.389552][ T3603] task_work_run+0x16b/0x270 [ 37.394139][ T3603] ? task_work_cancel+0x30/0x30 [ 37.398984][ T3603] do_exit+0xb35/0x2a20 [ 37.403125][ T3603] ? lock_downgrade+0x6e0/0x6e0 [ 37.407990][ T3603] ? do_raw_spin_lock+0x120/0x2a0 [ 37.413005][ T3603] ? mm_update_next_owner+0x7b0/0x7b0 [ 37.418364][ T3603] ? rwlock_bug.part.0+0x90/0x90 [ 37.423290][ T3603] do_group_exit+0xd0/0x2a0 [ 37.427780][ T3603] __x64_sys_exit_group+0x3a/0x50 [ 37.432810][ T3603] do_syscall_64+0x35/0xb0 [ 37.437223][ T3603] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 37.443111][ T3603] RIP: 0033:0x7efd10c8fc99 [ 37.447510][ T3603] Code: Unable to access opcode bytes at 0x7efd10c8fc6f. [ 37.454510][ T3603] RSP: 002b:00007ffd57443078 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 37.462908][ T3603] RAX: ffffffffffffffda RBX: 00007efd10d063f0 RCX: 00007efd10c8fc99 [ 37.470867][ T3603] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 37.478848][ T3603] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007efd10d00e40 [ 37.486807][ T3603] R10: 00007efd10d00e40 R11: 0000000000000246 R12: 00007efd10d063f0 [ 37.494766][ T3603] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 37.502730][ T3603] [ 37.506394][ T3603] Kernel Offset: disabled [ 37.510880][ T3603] Rebooting in 86400 seconds..