./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1212099612 <...> Warning: Permanently added '10.128.0.143' (ED25519) to the list of known hosts. execve("./syz-executor1212099612", ["./syz-executor1212099612"], 0x7ffeff185b10 /* 10 vars */) = 0 brk(NULL) = 0x555556b51000 brk(0x555556b51d00) = 0x555556b51d00 arch_prctl(ARCH_SET_FS, 0x555556b51380) = 0 set_tid_address(0x555556b51650) = 5034 set_robust_list(0x555556b51660, 24) = 0 rseq(0x555556b51ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1212099612", 4096) = 28 getrandom("\xe0\x20\x86\x77\x2d\x8e\x32\x32", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556b51d00 brk(0x555556b72d00) = 0x555556b72d00 brk(0x555556b73000) = 0x555556b73000 mprotect(0x7fe02c7ff000, 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 5035 attached , child_tidptr=0x555556b51650) = 5035 [pid 5035] set_robust_list(0x555556b51660, 24) = 0 [pid 5035] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5035] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5035] setsid() = 1 [pid 5035] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5035] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5035] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5035] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5035] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5035] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5035] unshare(CLONE_NEWNS) = 0 [pid 5035] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5035] unshare(CLONE_NEWIPC) = 0 [pid 5035] unshare(CLONE_NEWCGROUP) = 0 [pid 5035] unshare(CLONE_NEWUTS) = 0 [pid 5035] unshare(CLONE_SYSVSEM) = 0 [pid 5035] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5035] write(3, "16777216", 8) = 8 [pid 5035] close(3) = 0 [pid 5035] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5035] write(3, "536870912", 9) = 9 [pid 5035] close(3) = 0 [pid 5035] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5035] write(3, "1024", 4) = 4 [pid 5035] close(3) = 0 [pid 5035] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5035] write(3, "8192", 4) = 4 [pid 5035] close(3) = 0 [pid 5035] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5035] write(3, "1024", 4) = 4 [pid 5035] close(3) = 0 [pid 5035] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5035] write(3, "1024", 4) = 4 [pid 5035] close(3) = 0 [pid 5035] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5035] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5035] close(3) = 0 [pid 5035] getpid() = 1 [pid 5035] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 111.081667][ T5035] dump_stack_lvl+0x125/0x1b0 [ 111.086413][ T5035] __ubsan_handle_out_of_bounds+0x111/0x150 [ 111.092367][ T5035] do_journal_end+0x406d/0x4c80 [ 111.097285][ T5035] ? reiserfs_prepare_for_journal+0x2b0/0x2b0 [ 111.103413][ T5035] ? dquot_scan_active+0x2f0/0x2f0 [ 111.108591][ T5035] reiserfs_sync_fs+0x10e/0x140 [ 111.113476][ T5035] ? handle_quota_files+0x3b0/0x3b0 [ 111.118724][ T5035] ? get_nr_dirty_inodes+0x176/0x1e0 [ 111.124057][ T5035] ? handle_quota_files+0x3b0/0x3b0 [ 111.129311][ T5035] sync_filesystem+0x109/0x280 [ 111.134125][ T5035] generic_shutdown_super+0x7e/0x3c0 [ 111.139462][ T5035] kill_block_super+0x3b/0x70 [ 111.144205][ T5035] deactivate_locked_super+0x9a/0x170 [ 111.149658][ T5035] deactivate_super+0xde/0x100 [ 111.154472][ T5035] cleanup_mnt+0x222/0x3d0 [ 111.158957][ T5035] task_work_run+0x14d/0x240 [ 111.163677][ T5035] ? task_work_cancel+0x30/0x30 [ 111.168668][ T5035] ? __put_net+0x61/0x70 [ 111.172951][ T5035] do_exit+0xa92/0x2a20 [ 111.177161][ T5035] ? do_group_exit+0x1c5/0x2a0 [ 111.182070][ T5035] ? reacquire_held_locks+0x4b0/0x4b0 [ 111.187483][ T5035] ? do_raw_spin_lock+0x12e/0x2b0 [ 111.192745][ T5035] ? mm_update_next_owner+0x840/0x840 [ 111.198165][ T5035] ? spin_bug+0x1d0/0x1d0 [ 111.202553][ T5035] do_group_exit+0xd4/0x2a0 [ 111.207116][ T5035] __x64_sys_exit_group+0x3e/0x50 [ 111.212187][ T5035] do_syscall_64+0x38/0xb0 [ 111.216831][ T5035] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 111.222854][ T5035] RIP: 0033:0x7fe02c788749 [ 111.227293][ T5035] Code: Unable to access opcode bytes at 0x7fe02c78871f. [ 111.234327][ T5035] RSP: 002b:00007ffcb78faf28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 111.242910][ T5035] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe02c788749 [ 111.250995][ T5035] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 111.258990][ T5035] RBP: 00007fe02c8052b0 R08: ffffffffffffffb8 R09: 00000000000010f2 [ 111.266989][ T5035] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe02c8052b0 [ 111.274994][ T5035] R13: 0000000000000000 R14: 00007fe02c806020 R15: 00007fe02c756ca0 [ 111.283005][ T5035] [ 111.295117][ T5035] ================================================================================ [ 111.304462][ T5035] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 111.311701][ T5035] CPU: 1 PID: 5035 Comm: syz-executor121 Not tainted 6.6.0-rc3-syzkaller #0 [ 111.320418][ T5035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 [ 111.330490][ T5035] Call Trace: [ 111.333777][ T5035] [ 111.336720][ T5035] dump_stack_lvl+0xd9/0x1b0 [ 111.341333][ T5035] panic+0x6a6/0x750 [ 111.345251][ T5035] ? panic_smp_self_stop+0xa0/0xa0 [ 111.350385][ T5035] ? syslog_print_all+0x3f0/0x3f0 [ 111.355433][ T5035] check_panic_on_warn+0xab/0xb0 [ 111.360395][ T5035] __ubsan_handle_out_of_bounds+0x139/0x150 [ 111.366373][ T5035] do_journal_end+0x406d/0x4c80 [ 111.371262][ T5035] ? reiserfs_prepare_for_journal+0x2b0/0x2b0 [ 111.377369][ T5035] ? dquot_scan_active+0x2f0/0x2f0 [ 111.382504][ T5035] reiserfs_sync_fs+0x10e/0x140 [ 111.387377][ T5035] ? handle_quota_files+0x3b0/0x3b0 [ 111.392595][ T5035] ? get_nr_dirty_inodes+0x176/0x1e0 [ 111.397919][ T5035] ? handle_quota_files+0x3b0/0x3b0 [ 111.403137][ T5035] sync_filesystem+0x109/0x280 [ 111.407932][ T5035] generic_shutdown_super+0x7e/0x3c0 [ 111.413253][ T5035] kill_block_super+0x3b/0x70 [ 111.417983][ T5035] deactivate_locked_super+0x9a/0x170 [ 111.423396][ T5035] deactivate_super+0xde/0x100 [ 111.428197][ T5035] cleanup_mnt+0x222/0x3d0 [ 111.432653][ T5035] task_work_run+0x14d/0x240 [ 111.437278][ T5035] ? task_work_cancel+0x30/0x30 [ 111.442171][ T5035] ? __put_net+0x61/0x70 [ 111.446630][ T5035] do_exit+0xa92/0x2a20 [ 111.450817][ T5035] ? do_group_exit+0x1c5/0x2a0 [ 111.455608][ T5035] ? reacquire_held_locks+0x4b0/0x4b0 [ 111.461003][ T5035] ? do_raw_spin_lock+0x12e/0x2b0 [ 111.466052][ T5035] ? mm_update_next_owner+0x840/0x840 [ 111.471451][ T5035] ? spin_bug+0x1d0/0x1d0 [ 111.475982][ T5035] do_group_exit+0xd4/0x2a0 [ 111.480510][ T5035] __x64_sys_exit_group+0x3e/0x50 [ 111.485570][ T5035] do_syscall_64+0x38/0xb0 [ 111.490107][ T5035] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 111.496026][ T5035] RIP: 0033:0x7fe02c788749 [ 111.500451][ T5035] Code: Unable to access opcode bytes at 0x7fe02c78871f. [ 111.507478][ T5035] RSP: 002b:00007ffcb78faf28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 111.515912][ T5035] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe02c788749 [ 111.523942][ T5035] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 111.531963][ T5035] RBP: 00007fe02c8052b0 R08: ffffffffffffffb8 R09: 00000000000010f2 [ 111.539958][ T5035] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe02c8052b0 [ 111.548037][ T5035] R13: 0000000000000000 R14: 00007fe02c806020 R15: 00007fe02c756ca0 [ 111.556030][ T5035] [ 111.559319][ T5035] Kernel Offset: disabled [ 111.563787][ T5035] Rebooting in 86400 seconds..