./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1634723436 <...> Warning: Permanently added '10.128.10.18' (ECDSA) to the list of known hosts. execve("./syz-executor1634723436", ["./syz-executor1634723436"], 0x7ffe4b425af0 /* 10 vars */) = 0 brk(NULL) = 0x555556a06000 brk(0x555556a06c40) = 0x555556a06c40 arch_prctl(ARCH_SET_FS, 0x555556a06300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1634723436", 4096) = 28 brk(0x555556a27c40) = 0x555556a27c40 brk(0x555556a28000) = 0x555556a28000 mprotect(0x7fe8c11ae000, 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=0x555556a065d0) = 3612 ./strace-static-x86_64: Process 3612 attached [pid 3612] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3612] setsid() = 1 [pid 3612] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3612] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3612] unshare(CLONE_NEWNS) = 0 [pid 3612] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3612] unshare(CLONE_NEWIPC) = 0 [pid 3612] unshare(CLONE_NEWCGROUP) = 0 [pid 3612] unshare(CLONE_NEWUTS) = 0 [pid 3612] unshare(CLONE_SYSVSEM) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "16777216", 8) = 8 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "536870912", 9) = 9 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1024", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "8192", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1024", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1024", 4) = 4 [pid 3612] close(3) = 0 [pid 3612] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3612] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3612] close(3) = 0 [pid 3612] getpid() = 1 [pid 3612] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b eb 80 44 89 e9 80 e1 07 fe c1 38 c1 0f 8c 65 fe ff ff 4c 89 [ 38.641053][ T3612] RSP: 0018:ffffc90003ecfa78 EFLAGS: 00010293 [ 38.647137][ T3612] RAX: ffffffff82f8bd3b RBX: 0000000000000001 RCX: ffff888020830000 [ 38.655190][ T3612] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 38.663188][ T3612] RBP: ffff88807226b01f R08: ffffffff82f8bcb1 R09: fffffbfff1c1b5f6 [ 38.671186][ T3612] R10: fffffbfff1c1b5f6 R11: 1ffffffff1c1b5f5 R12: 1ffff11004d960cf [ 38.679198][ T3612] R13: ffff8880743b0158 R14: ffff888026cb0000 R15: ffff888026cb0678 [ 38.687169][ T3612] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 38.696119][ T3612] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.702717][ T3612] CR2: 00007fe8c11b5290 CR3: 000000000c88e000 CR4: 00000000003506e0 [ 38.710780][ T3612] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.718752][ T3612] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.726764][ T3612] Call Trace: [ 38.730069][ T3612] [ 38.733023][ T3612] ? udf_new_inode+0xf30/0xf30 [ 38.737803][ T3612] evict+0x2a4/0x620 [ 38.741738][ T3612] udf_sb_free_partitions+0x134/0x570 [ 38.747132][ T3612] udf_put_super+0x10f/0x160 [ 38.751757][ T3612] ? udf_free_in_core_inode+0x20/0x20 [ 38.757129][ T3612] generic_shutdown_super+0x130/0x310 [ 38.762513][ T3612] kill_block_super+0x79/0xd0 [ 38.767190][ T3612] deactivate_locked_super+0xa7/0xf0 [ 38.772482][ T3612] cleanup_mnt+0x494/0x520 [ 38.776898][ T3612] task_work_run+0x243/0x300 [ 38.781581][ T3612] ? task_work_cancel+0x290/0x290 [ 38.786612][ T3612] ? do_exit+0x65f/0x2070 [ 38.790961][ T3612] do_exit+0x664/0x2070 [ 38.795119][ T3612] ? __lock_acquire+0x1f60/0x1f60 [ 38.800154][ T3612] ? ptrace_notify+0x245/0x340 [ 38.804910][ T3612] ? mm_update_next_owner+0x6d0/0x6d0 [ 38.810286][ T3612] ? print_irqtrace_events+0x220/0x220 [ 38.815742][ T3612] do_group_exit+0x1fd/0x2b0 [ 38.820343][ T3612] __x64_sys_exit_group+0x3b/0x40 [ 38.825361][ T3612] do_syscall_64+0x3d/0xb0 [ 38.829783][ T3612] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 38.835670][ T3612] RIP: 0033:0x7fe8c113dc29 [ 38.840108][ T3612] Code: Unable to access opcode bytes at 0x7fe8c113dbff. [ 38.847121][ T3612] RSP: 002b:00007ffc0a859e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 38.855569][ T3612] RAX: ffffffffffffffda RBX: 00007fe8c11b43f0 RCX: 00007fe8c113dc29 [ 38.863545][ T3612] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 38.871522][ T3612] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007fe8c11aee40 [ 38.879515][ T3612] R10: 00007fe8c11aee40 R11: 0000000000000246 R12: 00007fe8c11b43f0 [ 38.887478][ T3612] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 38.895503][ T3612] [ 38.898528][ T3612] Kernel panic - not syncing: panic_on_warn set ... [ 38.905100][ T3612] CPU: 1 PID: 3612 Comm: syz-executor163 Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0 [ 38.915484][ T3612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 38.925548][ T3612] Call Trace: [ 38.928811][ T3612] [ 38.931733][ T3612] dump_stack_lvl+0x1b1/0x28e [ 38.936395][ T3612] ? nf_tcp_handle_invalid+0x62e/0x62e [ 38.941833][ T3612] ? panic+0x710/0x710 [ 38.945887][ T3612] ? vscnprintf+0x59/0x80 [ 38.950195][ T3612] ? udf_free_inode+0x1f0/0x2d0 [ 38.955033][ T3612] panic+0x2d6/0x710 [ 38.958917][ T3612] ? __warn+0x131/0x220 [ 38.963099][ T3612] ? memcpy_page_flushcache+0xfc/0xfc [ 38.968471][ T3612] ? udf_free_inode+0x22b/0x2d0 [ 38.973316][ T3612] __warn+0x1fa/0x220 [ 38.977303][ T3612] ? udf_free_inode+0x22b/0x2d0 [ 38.982150][ T3612] report_bug+0x1b3/0x2d0 [ 38.986477][ T3612] handle_bug+0x3d/0x70 [ 38.990625][ T3612] exc_invalid_op+0x16/0x40 [ 38.995118][ T3612] asm_exc_invalid_op+0x16/0x20 [ 38.999957][ T3612] RIP: 0010:udf_free_inode+0x22b/0x2d0 [ 39.005406][ T3612] Code: ff ff 4c 89 f7 31 f6 4c 89 ea 31 c9 41 b8 01 00 00 00 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d e9 3a 59 ff ff e8 a5 12 8f fe <0f> 0b eb 80 44 89 e9 80 e1 07 fe c1 38 c1 0f 8c 65 fe ff ff 4c 89 [ 39.024996][ T3612] RSP: 0018:ffffc90003ecfa78 EFLAGS: 00010293 [ 39.031056][ T3612] RAX: ffffffff82f8bd3b RBX: 0000000000000001 RCX: ffff888020830000 [ 39.039011][ T3612] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 39.046969][ T3612] RBP: ffff88807226b01f R08: ffffffff82f8bcb1 R09: fffffbfff1c1b5f6 [ 39.054926][ T3612] R10: fffffbfff1c1b5f6 R11: 1ffffffff1c1b5f5 R12: 1ffff11004d960cf [ 39.062880][ T3612] R13: ffff8880743b0158 R14: ffff888026cb0000 R15: ffff888026cb0678 [ 39.070839][ T3612] ? udf_free_inode+0x1a1/0x2d0 [ 39.075690][ T3612] ? udf_free_inode+0x22b/0x2d0 [ 39.080551][ T3612] ? udf_free_inode+0x22b/0x2d0 [ 39.085404][ T3612] ? udf_new_inode+0xf30/0xf30 [ 39.090165][ T3612] evict+0x2a4/0x620 [ 39.094054][ T3612] udf_sb_free_partitions+0x134/0x570 [ 39.099430][ T3612] udf_put_super+0x10f/0x160 [ 39.104106][ T3612] ? udf_free_in_core_inode+0x20/0x20 [ 39.109469][ T3612] generic_shutdown_super+0x130/0x310 [ 39.114835][ T3612] kill_block_super+0x79/0xd0 [ 39.119536][ T3612] deactivate_locked_super+0xa7/0xf0 [ 39.125428][ T3612] cleanup_mnt+0x494/0x520 [ 39.129837][ T3612] task_work_run+0x243/0x300 [ 39.134415][ T3612] ? task_work_cancel+0x290/0x290 [ 39.139425][ T3612] ? do_exit+0x65f/0x2070 [ 39.143744][ T3612] do_exit+0x664/0x2070 [ 39.147889][ T3612] ? __lock_acquire+0x1f60/0x1f60 [ 39.152904][ T3612] ? ptrace_notify+0x245/0x340 [ 39.157654][ T3612] ? mm_update_next_owner+0x6d0/0x6d0 [ 39.163016][ T3612] ? print_irqtrace_events+0x220/0x220 [ 39.168479][ T3612] do_group_exit+0x1fd/0x2b0 [ 39.173147][ T3612] __x64_sys_exit_group+0x3b/0x40 [ 39.178159][ T3612] do_syscall_64+0x3d/0xb0 [ 39.182564][ T3612] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 39.188458][ T3612] RIP: 0033:0x7fe8c113dc29 [ 39.192866][ T3612] Code: Unable to access opcode bytes at 0x7fe8c113dbff. [ 39.199876][ T3612] RSP: 002b:00007ffc0a859e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 39.208373][ T3612] RAX: ffffffffffffffda RBX: 00007fe8c11b43f0 RCX: 00007fe8c113dc29 [ 39.216335][ T3612] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 39.224312][ T3612] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007fe8c11aee40 [ 39.232375][ T3612] R10: 00007fe8c11aee40 R11: 0000000000000246 R12: 00007fe8c11b43f0 [ 39.240343][ T3612] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 39.248312][ T3612] [ 39.251577][ T3612] Kernel Offset: disabled [ 39.255888][ T3612] Rebooting in 86400 seconds..