./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3504919592 <...> Warning: Permanently added '10.128.1.172' (ECDSA) to the list of known hosts. execve("./syz-executor3504919592", ["./syz-executor3504919592"], 0x7ffecad09890 /* 10 vars */) = 0 brk(NULL) = 0x555555d24000 brk(0x555555d24c40) = 0x555555d24c40 arch_prctl(ARCH_SET_FS, 0x555555d24300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3504919592", 4096) = 28 brk(0x555555d45c40) = 0x555555d45c40 brk(0x555555d46000) = 0x555555d46000 mprotect(0x7fa87e29d000, 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 5068 attached , child_tidptr=0x555555d245d0) = 5068 [pid 5068] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5068] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5068] setsid() = 1 [pid 5068] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5068] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5068] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5068] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5068] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5068] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5068] unshare(CLONE_NEWNS) = 0 [pid 5068] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5068] unshare(CLONE_NEWIPC) = 0 [pid 5068] unshare(CLONE_NEWCGROUP) = 0 [pid 5068] unshare(CLONE_NEWUTS) = 0 [pid 5068] unshare(CLONE_SYSVSEM) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "16777216", 8) = 8 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "536870912", 9) = 9 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "1024", 4) = 4 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "8192", 4) = 4 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "1024", 4) = 4 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "1024", 4) = 4 [pid 5068] close(3) = 0 [pid 5068] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5068] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5068] close(3) = 0 [pid 5068] getpid() = 1 [pid 5068] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 51.410673][ T5068] dump_stack_lvl+0x1e7/0x2d0 [ 51.415349][ T5068] ? nf_tcp_handle_invalid+0x650/0x650 [ 51.420800][ T5068] ? panic+0x770/0x770 [ 51.424856][ T5068] ? read_lock_is_recursive+0x20/0x20 [ 51.430217][ T5068] __ubsan_handle_shift_out_of_bounds+0x3c3/0x420 [ 51.436654][ T5068] ? __down_read_common+0x184/0x2c0 [ 51.441869][ T5068] dbFree+0x46e/0x650 [ 51.445856][ T5068] txFreeMap+0x96a/0xd50 [ 51.450099][ T5068] ? __mark_inode_dirty+0x3e7/0xd90 [ 51.455296][ T5068] xtTruncate+0xe5c/0x3260 [ 51.459704][ T5068] ? reacquire_held_locks+0x660/0x660 [ 51.465091][ T5068] ? xtInitRoot+0x170/0x170 [ 51.469600][ T5068] ? truncate_inode_pages_range+0x4fc/0x11d0 [ 51.475599][ T5068] ? do_raw_spin_unlock+0x13b/0x8b0 [ 51.480807][ T5068] jfs_free_zero_link+0x46e/0x6e0 [ 51.485841][ T5068] ? jfs_write_failed+0x190/0x190 [ 51.490863][ T5068] ? sb_clear_inode_writeback+0x370/0x370 [ 51.496579][ T5068] ? bit_waitqueue+0x30/0x30 [ 51.501165][ T5068] jfs_evict_inode+0x35f/0x440 [ 51.505934][ T5068] ? jfs_write_inode+0x210/0x210 [ 51.510878][ T5068] evict+0x2a4/0x620 [ 51.514796][ T5068] __dentry_kill+0x436/0x650 [ 51.519384][ T5068] shrink_dentry_list+0x39c/0x6a0 [ 51.524400][ T5068] ? shrink_dcache_parent+0x480/0x480 [ 51.529782][ T5068] shrink_dcache_parent+0xcd/0x480 [ 51.534895][ T5068] ? write_sequnlock+0x30/0x30 [ 51.539689][ T5068] ? __init_rwsem+0x160/0x160 [ 51.544371][ T5068] do_one_tree+0x23/0xe0 [ 51.548609][ T5068] shrink_dcache_for_umount+0x7d/0x120 [ 51.554072][ T5068] generic_shutdown_super+0x67/0x340 [ 51.559369][ T5068] kill_block_super+0x7e/0xe0 [ 51.564044][ T5068] deactivate_locked_super+0xa4/0x110 [ 51.569411][ T5068] cleanup_mnt+0x426/0x4c0 [ 51.573826][ T5068] ? _raw_spin_unlock_irq+0x23/0x50 [ 51.579025][ T5068] task_work_run+0x24a/0x300 [ 51.583644][ T5068] ? kasan_quarantine_put+0xd8/0x230 [ 51.588936][ T5068] ? task_work_cancel+0x2b0/0x2b0 [ 51.593961][ T5068] ? kmem_cache_free+0x297/0x520 [ 51.598897][ T5068] ? do_exit+0x68a/0x2290 [ 51.603225][ T5068] do_exit+0x68f/0x2290 [ 51.607384][ T5068] ? put_task_struct+0x80/0x80 [ 51.612142][ T5068] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 51.618116][ T5068] ? print_irqtrace_events+0x220/0x220 [ 51.623597][ T5068] ? _raw_spin_unlock_irq+0x23/0x50 [ 51.628795][ T5068] ? lockdep_hardirqs_on+0x98/0x140 [ 51.633990][ T5068] do_group_exit+0x206/0x2c0 [ 51.638625][ T5068] __x64_sys_exit_group+0x3f/0x40 [ 51.643656][ T5068] do_syscall_64+0x41/0xc0 [ 51.648081][ T5068] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 51.653974][ T5068] RIP: 0033:0x7fa87e2289b9 [ 51.658383][ T5068] Code: Unable to access opcode bytes at 0x7fa87e22898f. [ 51.665389][ T5068] RSP: 002b:00007fff4bfe3938 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 51.673806][ T5068] RAX: ffffffffffffffda RBX: 00007fa87e2a3330 RCX: 00007fa87e2289b9 [ 51.681780][ T5068] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 51.689750][ T5068] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007fa87e29de40 [ 51.697749][ T5068] R10: 00007fff4bfe3850 R11: 0000000000000246 R12: 00007fa87e2a3330 [ 51.705718][ T5068] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 51.713711][ T5068] [ 51.717173][ T5068] ================================================================================ [ 51.727302][ T5068] Kernel panic - not syncing: UBSAN: panic_on_warn set ... [ 51.734506][ T5068] CPU: 0 PID: 5068 Comm: syz-executor350 Not tainted 6.3.0-rc2-syzkaller-00069-g0ddc84d2dd43 #0 [ 51.744899][ T5068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 51.754937][ T5068] Call Trace: [ 51.758201][ T5068] [ 51.761123][ T5068] dump_stack_lvl+0x1e7/0x2d0 [ 51.765798][ T5068] ? nf_tcp_handle_invalid+0x650/0x650 [ 51.771262][ T5068] ? panic+0x770/0x770 [ 51.775320][ T5068] ? vscnprintf+0x5d/0x80 [ 51.779636][ T5068] panic+0x31c/0x770 [ 51.783543][ T5068] ? check_panic_on_warn+0x21/0xa0 [ 51.788670][ T5068] ? memcpy_page_flushcache+0x100/0x100 [ 51.794201][ T5068] ? dump_stack_lvl+0x253/0x2d0 [ 51.799051][ T5068] check_panic_on_warn+0x82/0xa0 [ 51.804005][ T5068] __ubsan_handle_shift_out_of_bounds+0x3e2/0x420 [ 51.810412][ T5068] ? __down_read_common+0x184/0x2c0 [ 51.815598][ T5068] dbFree+0x46e/0x650 [ 51.819569][ T5068] txFreeMap+0x96a/0xd50 [ 51.823806][ T5068] ? __mark_inode_dirty+0x3e7/0xd90 [ 51.828993][ T5068] xtTruncate+0xe5c/0x3260 [ 51.833402][ T5068] ? reacquire_held_locks+0x660/0x660 [ 51.838782][ T5068] ? xtInitRoot+0x170/0x170 [ 51.843298][ T5068] ? truncate_inode_pages_range+0x4fc/0x11d0 [ 51.849310][ T5068] ? do_raw_spin_unlock+0x13b/0x8b0 [ 51.854507][ T5068] jfs_free_zero_link+0x46e/0x6e0 [ 51.859531][ T5068] ? jfs_write_failed+0x190/0x190 [ 51.864555][ T5068] ? sb_clear_inode_writeback+0x370/0x370 [ 51.870274][ T5068] ? bit_waitqueue+0x30/0x30 [ 51.874861][ T5068] jfs_evict_inode+0x35f/0x440 [ 51.879624][ T5068] ? jfs_write_inode+0x210/0x210 [ 51.884560][ T5068] evict+0x2a4/0x620 [ 51.888485][ T5068] __dentry_kill+0x436/0x650 [ 51.893071][ T5068] shrink_dentry_list+0x39c/0x6a0 [ 51.898110][ T5068] ? shrink_dcache_parent+0x480/0x480 [ 51.903479][ T5068] shrink_dcache_parent+0xcd/0x480 [ 51.908587][ T5068] ? write_sequnlock+0x30/0x30 [ 51.913354][ T5068] ? __init_rwsem+0x160/0x160 [ 51.918034][ T5068] do_one_tree+0x23/0xe0 [ 51.922271][ T5068] shrink_dcache_for_umount+0x7d/0x120 [ 51.927741][ T5068] generic_shutdown_super+0x67/0x340 [ 51.933023][ T5068] kill_block_super+0x7e/0xe0 [ 51.937718][ T5068] deactivate_locked_super+0xa4/0x110 [ 51.943088][ T5068] cleanup_mnt+0x426/0x4c0 [ 51.947503][ T5068] ? _raw_spin_unlock_irq+0x23/0x50 [ 51.952708][ T5068] task_work_run+0x24a/0x300 [ 51.957331][ T5068] ? kasan_quarantine_put+0xd8/0x230 [ 51.962631][ T5068] ? task_work_cancel+0x2b0/0x2b0 [ 51.967657][ T5068] ? kmem_cache_free+0x297/0x520 [ 51.972597][ T5068] ? do_exit+0x68a/0x2290 [ 51.976929][ T5068] do_exit+0x68f/0x2290 [ 51.981094][ T5068] ? put_task_struct+0x80/0x80 [ 51.985852][ T5068] ? lockdep_hardirqs_on_prepare+0x43c/0x7a0 [ 51.991830][ T5068] ? print_irqtrace_events+0x220/0x220 [ 51.997295][ T5068] ? _raw_spin_unlock_irq+0x23/0x50 [ 52.002509][ T5068] ? lockdep_hardirqs_on+0x98/0x140 [ 52.007702][ T5068] do_group_exit+0x206/0x2c0 [ 52.012308][ T5068] __x64_sys_exit_group+0x3f/0x40 [ 52.017330][ T5068] do_syscall_64+0x41/0xc0 [ 52.021746][ T5068] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 52.027636][ T5068] RIP: 0033:0x7fa87e2289b9 [ 52.032043][ T5068] Code: Unable to access opcode bytes at 0x7fa87e22898f. [ 52.039049][ T5068] RSP: 002b:00007fff4bfe3938 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 52.047461][ T5068] RAX: ffffffffffffffda RBX: 00007fa87e2a3330 RCX: 00007fa87e2289b9 [ 52.055423][ T5068] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 52.063389][ T5068] RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007fa87e29de40 [ 52.071351][ T5068] R10: 00007fff4bfe3850 R11: 0000000000000246 R12: 00007fa87e2a3330 [ 52.079339][ T5068] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 52.087320][ T5068] [ 52.090485][ T5068] Kernel Offset: disabled [ 52.094887][ T5068] Rebooting in 86400 seconds..