./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2578603435 <...> forked to background, child pid 3186 no interfaces have a carrier [ 24.255744][ T3187] 8021q: adding VLAN 0 to HW filter on device bond0 [ 24.268462][ T3187] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.81' (ECDSA) to the list of known hosts. execve("./syz-executor2578603435", ["./syz-executor2578603435"], 0x7ffe53a45640 /* 10 vars */) = 0 brk(NULL) = 0x555556bdf000 brk(0x555556bdfc40) = 0x555556bdfc40 arch_prctl(ARCH_SET_FS, 0x555556bdf300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2578603435", 4096) = 28 brk(0x555556c00c40) = 0x555556c00c40 brk(0x555556c01000) = 0x555556c01000 mprotect(0x7fb178ecb000, 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 3608 attached , child_tidptr=0x555556bdf5d0) = 3608 [pid 3608] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3608] setsid() = 1 [pid 3608] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3608] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3608] unshare(CLONE_NEWNS) = 0 [pid 3608] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3608] unshare(CLONE_NEWIPC) = 0 [pid 3608] unshare(CLONE_NEWCGROUP) = 0 [pid 3608] unshare(CLONE_NEWUTS) = 0 [pid 3608] unshare(CLONE_SYSVSEM) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "16777216", 8) = 8 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "536870912", 9) = 9 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1024", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "8192", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1024", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1024", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3608] close(3) = 0 [pid 3608] getpid() = 1 [pid 3608] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e9 33 ff ff ff 4c 89 ff e8 ab 53 f4 fe e9 8e fd ff ff e8 a1 [ 44.901279][ T3608] RSP: 0018:ffffc90003bafac8 EFLAGS: 00010293 [ 44.907616][ T3608] RAX: 0000000000000000 RBX: ffff888071890158 RCX: 0000000000000000 [ 44.915671][ T3608] RDX: ffff88801d52ba80 RSI: ffffffff82d4ac46 RDI: 0000000000000005 [ 44.923832][ T3608] RBP: ffff88802161d800 R08: 0000000000000005 R09: 0000000000000000 [ 44.931970][ T3608] R10: 0000000000000001 R11: 0000000000000000 R12: ffff888021f38000 [ 44.940086][ T3608] R13: ffff88802161d8c0 R14: 0000000000000001 R15: ffff888021f38678 [ 44.948118][ T3608] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 44.957220][ T3608] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.963863][ T3608] CR2: 00005567b531bcd8 CR3: 000000002772c000 CR4: 0000000000350ee0 [ 44.971969][ T3608] Call Trace: [ 44.975305][ T3608] [ 44.978345][ T3608] udf_evict_inode+0x348/0x580 [ 44.983151][ T3608] ? udf_setsize+0x1080/0x1080 [ 44.987984][ T3608] evict+0x2ed/0x6b0 [ 44.991931][ T3608] iput.part.0+0x59b/0x880 [ 44.996417][ T3608] iput+0x58/0x70 [ 45.000080][ T3608] udf_sb_free_partitions.isra.0+0x325/0x560 [ 45.006061][ T3608] ? __sync_dirty_buffer+0x1f7/0x370 [ 45.011423][ T3608] ? udf_close_lvid.isra.0+0x44c/0x550 [ 45.016971][ T3608] udf_put_super+0x133/0x220 [ 45.021563][ T3608] ? udf_close_lvid.isra.0+0x550/0x550 [ 45.027143][ T3608] generic_shutdown_super+0x154/0x410 [ 45.032573][ T3608] kill_block_super+0x97/0xf0 [ 45.037341][ T3608] deactivate_locked_super+0x94/0x160 [ 45.042757][ T3608] deactivate_super+0xad/0xd0 [ 45.047503][ T3608] cleanup_mnt+0x2ae/0x3d0 [ 45.051960][ T3608] task_work_run+0x16b/0x270 [ 45.056637][ T3608] ? task_work_cancel+0x30/0x30 [ 45.061532][ T3608] do_exit+0xb35/0x2a20 [ 45.065690][ T3608] ? lock_downgrade+0x6e0/0x6e0 [ 45.070607][ T3608] ? do_raw_spin_lock+0x120/0x2a0 [ 45.075674][ T3608] ? mm_update_next_owner+0x7b0/0x7b0 [ 45.081151][ T3608] ? rwlock_bug.part.0+0x90/0x90 [ 45.086155][ T3608] ? _raw_spin_unlock_irq+0x1f/0x40 [ 45.091506][ T3608] do_group_exit+0xd0/0x2a0 [ 45.096010][ T3608] __x64_sys_exit_group+0x3a/0x50 [ 45.101163][ T3608] do_syscall_64+0x35/0xb0 [ 45.105676][ T3608] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 45.111730][ T3608] RIP: 0033:0x7fb178e5ac29 [ 45.116268][ T3608] Code: Unable to access opcode bytes at 0x7fb178e5abff. [ 45.123322][ T3608] RSP: 002b:00007ffe282b2fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 45.131895][ T3608] RAX: ffffffffffffffda RBX: 00007fb178ed13f0 RCX: 00007fb178e5ac29 [ 45.139979][ T3608] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 45.148168][ T3608] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007fb178ecbe40 [ 45.156264][ T3608] R10: 00007fb178ecbe40 R11: 0000000000000246 R12: 00007fb178ed13f0 [ 45.164376][ T3608] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 45.172485][ T3608] [ 45.175521][ T3608] Kernel panic - not syncing: panic_on_warn set ... [ 45.182107][ T3608] CPU: 1 PID: 3608 Comm: syz-executor257 Not tainted 6.1.0-rc4-syzkaller #0 [ 45.190779][ T3608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 45.200837][ T3608] Call Trace: [ 45.204111][ T3608] [ 45.207032][ T3608] dump_stack_lvl+0xcd/0x134 [ 45.211622][ T3608] panic+0x2c8/0x622 [ 45.215523][ T3608] ? panic_print_sys_info.part.0+0x110/0x110 [ 45.221502][ T3608] ? __warn.cold+0x24b/0x350 [ 45.226076][ T3608] ? udf_free_inode+0x2b6/0x320 [ 45.230931][ T3608] __warn.cold+0x25c/0x350 [ 45.235342][ T3608] ? udf_free_inode+0x2b6/0x320 [ 45.240197][ T3608] report_bug+0x1bc/0x210 [ 45.244524][ T3608] handle_bug+0x3c/0x70 [ 45.248679][ T3608] exc_invalid_op+0x14/0x40 [ 45.253174][ T3608] asm_exc_invalid_op+0x16/0x20 [ 45.258015][ T3608] RIP: 0010:udf_free_inode+0x2b6/0x320 [ 45.263457][ T3608] Code: 24 01 e9 72 fe ff ff e8 58 00 a8 fe 0f 0b 48 89 df e8 ae 53 f4 fe e9 04 fe ff ff e8 b4 53 f4 fe e9 50 fe ff ff e8 3a 00 a8 fe <0f> 0b e9 33 ff ff ff 4c 89 ff e8 ab 53 f4 fe e9 8e fd ff ff e8 a1 [ 45.283068][ T3608] RSP: 0018:ffffc90003bafac8 EFLAGS: 00010293 [ 45.289135][ T3608] RAX: 0000000000000000 RBX: ffff888071890158 RCX: 0000000000000000 [ 45.297103][ T3608] RDX: ffff88801d52ba80 RSI: ffffffff82d4ac46 RDI: 0000000000000005 [ 45.305069][ T3608] RBP: ffff88802161d800 R08: 0000000000000005 R09: 0000000000000000 [ 45.313042][ T3608] R10: 0000000000000001 R11: 0000000000000000 R12: ffff888021f38000 [ 45.321017][ T3608] R13: ffff88802161d8c0 R14: 0000000000000001 R15: ffff888021f38678 [ 45.329000][ T3608] ? udf_free_inode+0x2b6/0x320 [ 45.333859][ T3608] ? udf_free_inode+0x2b6/0x320 [ 45.338716][ T3608] udf_evict_inode+0x348/0x580 [ 45.343489][ T3608] ? udf_setsize+0x1080/0x1080 [ 45.348257][ T3608] evict+0x2ed/0x6b0 [ 45.352161][ T3608] iput.part.0+0x59b/0x880 [ 45.356584][ T3608] iput+0x58/0x70 [ 45.360222][ T3608] udf_sb_free_partitions.isra.0+0x325/0x560 [ 45.366204][ T3608] ? __sync_dirty_buffer+0x1f7/0x370 [ 45.371496][ T3608] ? udf_close_lvid.isra.0+0x44c/0x550 [ 45.376959][ T3608] udf_put_super+0x133/0x220 [ 45.381551][ T3608] ? udf_close_lvid.isra.0+0x550/0x550 [ 45.387009][ T3608] generic_shutdown_super+0x154/0x410 [ 45.392385][ T3608] kill_block_super+0x97/0xf0 [ 45.397062][ T3608] deactivate_locked_super+0x94/0x160 [ 45.402437][ T3608] deactivate_super+0xad/0xd0 [ 45.407113][ T3608] cleanup_mnt+0x2ae/0x3d0 [ 45.411534][ T3608] task_work_run+0x16b/0x270 [ 45.416129][ T3608] ? task_work_cancel+0x30/0x30 [ 45.420991][ T3608] do_exit+0xb35/0x2a20 [ 45.425144][ T3608] ? lock_downgrade+0x6e0/0x6e0 [ 45.429993][ T3608] ? do_raw_spin_lock+0x120/0x2a0 [ 45.435015][ T3608] ? mm_update_next_owner+0x7b0/0x7b0 [ 45.440390][ T3608] ? rwlock_bug.part.0+0x90/0x90 [ 45.445331][ T3608] ? _raw_spin_unlock_irq+0x1f/0x40 [ 45.450531][ T3608] do_group_exit+0xd0/0x2a0 [ 45.455026][ T3608] __x64_sys_exit_group+0x3a/0x50 [ 45.460043][ T3608] do_syscall_64+0x35/0xb0 [ 45.464461][ T3608] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 45.472400][ T3608] RIP: 0033:0x7fb178e5ac29 [ 45.476813][ T3608] Code: Unable to access opcode bytes at 0x7fb178e5abff. [ 45.483816][ T3608] RSP: 002b:00007ffe282b2fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 45.492231][ T3608] RAX: ffffffffffffffda RBX: 00007fb178ed13f0 RCX: 00007fb178e5ac29 [ 45.500203][ T3608] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 45.508167][ T3608] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007fb178ecbe40 [ 45.516127][ T3608] R10: 00007fb178ecbe40 R11: 0000000000000246 R12: 00007fb178ed13f0 [ 45.524102][ T3608] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 45.532087][ T3608] [ 45.536040][ T3608] Kernel Offset: disabled [ 45.540434][ T3608] Rebooting in 86400 seconds..