./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2059361347
<...>
Warning: Permanently added '10.128.1.23' (ED25519) to the list of known hosts.
execve("./syz-executor2059361347", ["./syz-executor2059361347"], 0x7ffd3e695dd0 /* 10 vars */) = 0
brk(NULL) = 0x5555801e4000
brk(0x5555801e4d00) = 0x5555801e4d00
arch_prctl(ARCH_SET_FS, 0x5555801e4380) = 0
set_tid_address(0x5555801e4650) = 5058
set_robust_list(0x5555801e4660, 24) = 0
rseq(0x5555801e4ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2059361347", 4096) = 28
getrandom("\xac\xa0\xa3\xeb\x3f\x6c\xda\xdc", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x5555801e4d00
brk(0x555580205d00) = 0x555580205d00
brk(0x555580206000) = 0x555580206000
mprotect(0x7f6c45cb6000, 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
memfd_create("syzkaller", 0) = 3
mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6c3d600000
write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216
munmap(0x7f6c3d600000, 138412032) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
ioctl(4, LOOP_SET_FD, 3) = 0
close(3) = 0
close(4) = 0
mkdir("./bus", 0777) = 0
mount("/dev/loop0", "./bus", "jfs", MS_NOSUID|MS_POSIXACL, "") = 0
openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
chdir("./bus") = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
openat(AT_FDCWD, ".", O_RDONLY) = 4
[ 60.457136][ T5058] loop0: detected capacity change from 0 to 32768
[ 60.516514][ T5058] ------------[ cut here ]------------
[ 60.522240][ T5058] UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dtree.c:2892:30
[ 60.530054][ T5058] index -1 is out of range for type 'struct dtslot[128]'
[ 60.537300][ T5058] CPU: 0 PID: 5058 Comm: syz-executor205 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
[ 60.547481][ T5058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 60.557625][ T5058] Call Trace:
[ 60.560899][ T5058]
[ 60.563825][ T5058] dump_stack_lvl+0x241/0x360
[ 60.568531][ T5058] ? __pfx_dump_stack_lvl+0x10/0x10
[ 60.573830][ T5058] ? __pfx__printk+0x10/0x10
[ 60.578423][ T5058] ? alloc_pages_mpol+0x40c/0x650
[ 60.583742][ T5058] __ubsan_handle_out_of_bounds+0x121/0x150
[ 60.589627][ T5058] ? alloc_pages+0xef/0x170
[ 60.594141][ T5058] jfs_readdir+0x1cb4/0x4660
[ 60.598769][ T5058] ? __pfx_jfs_readdir+0x10/0x10
[ 60.603725][ T5058] ? __pfx___down_write_common+0x10/0x10
[ 60.609359][ T5058] ? __pfx___mutex_lock+0x10/0x10
[ 60.614467][ T5058] ? __pfx_jfs_readdir+0x10/0x10
[ 60.619398][ T5058] wrap_directory_iterator+0x94/0xe0
[ 60.624681][ T5058] iterate_dir+0x539/0x6f0
[ 60.629099][ T5058] __se_sys_getdents64+0x20d/0x4f0
[ 60.634224][ T5058] ? _raw_spin_unlock_irq+0x2e/0x50
[ 60.639657][ T5058] ? __pfx___se_sys_getdents64+0x10/0x10
[ 60.645579][ T5058] ? __pfx_filldir64+0x10/0x10
[ 60.650697][ T5058] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 60.657042][ T5058] ? do_syscall_64+0x10a/0x240
[ 60.661896][ T5058] ? syscall_trace_enter+0x5f/0x150
[ 60.667223][ T5058] do_syscall_64+0xfb/0x240
[ 60.671837][ T5058] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 60.677745][ T5058] RIP: 0033:0x7f6c45c3d5f9
[ 60.682270][ T5058] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 60.701992][ T5058] RSP: 002b:00007ffee5551408 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9
[ 60.710502][ T5058] RAX: ffffffffffffffda RBX: 00007ffee55515d8 RCX: 00007f6c45c3d5f9
[ 60.718641][ T5058] RDX: 000000000000102a RSI: 0000000020002280 RDI: 0000000000000004
[ 60.727057][ T5058] RBP: 00007f6c45cb6610 R08: 0000000000000000 R09: 00007ffee55515d8
[ 60.735215][ T5058] R10: 00000000000060cc R11: 0000000000000246 R12: 0000000000000001
[ 60.743478][ T5058] R13: 00007ffee55515c8 R14: 0000000000000001 R15: 0000000000000001
[ 60.751909][ T5058]
[ 60.755358][ T5058] ---[ end trace ]---
[ 60.759456][ T5058] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 60.766949][ T5058] CPU: 0 PID: 5058 Comm: syz-executor205 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
[ 60.778072][ T5058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 60.788304][ T5058] Call Trace:
[ 60.791729][ T5058]
[ 60.794740][ T5058] dump_stack_lvl+0x241/0x360
[ 60.799426][ T5058] ? __pfx_dump_stack_lvl+0x10/0x10
[ 60.804789][ T5058] ? __pfx__printk+0x10/0x10
[ 60.809375][ T5058] ? vprintk_emit+0x631/0x770
[ 60.814058][ T5058] ? vscnprintf+0x5d/0x90
[ 60.818386][ T5058] panic+0x349/0x860
[ 60.822285][ T5058] ? check_panic_on_warn+0x21/0xb0
[ 60.827480][ T5058] ? __pfx_panic+0x10/0x10
[ 60.831997][ T5058] ? _printk+0xd5/0x120
[ 60.836154][ T5058] ? __pfx__printk+0x10/0x10
[ 60.840838][ T5058] ? alloc_pages_mpol+0x40c/0x650
[ 60.845951][ T5058] check_panic_on_warn+0x86/0xb0
[ 60.850983][ T5058] __ubsan_handle_out_of_bounds+0x141/0x150
[ 60.856872][ T5058] ? alloc_pages+0xef/0x170
[ 60.861391][ T5058] jfs_readdir+0x1cb4/0x4660
[ 60.866264][ T5058] ? __pfx_jfs_readdir+0x10/0x10
[ 60.871475][ T5058] ? __pfx___down_write_common+0x10/0x10
[ 60.877102][ T5058] ? __pfx___mutex_lock+0x10/0x10
[ 60.882123][ T5058] ? __pfx_jfs_readdir+0x10/0x10
[ 60.887055][ T5058] wrap_directory_iterator+0x94/0xe0
[ 60.892346][ T5058] iterate_dir+0x539/0x6f0
[ 60.897104][ T5058] __se_sys_getdents64+0x20d/0x4f0
[ 60.902473][ T5058] ? _raw_spin_unlock_irq+0x2e/0x50
[ 60.907677][ T5058] ? __pfx___se_sys_getdents64+0x10/0x10
[ 60.913299][ T5058] ? __pfx_filldir64+0x10/0x10
[ 60.918057][ T5058] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 60.924374][ T5058] ? do_syscall_64+0x10a/0x240
[ 60.929130][ T5058] ? syscall_trace_enter+0x5f/0x150
[ 60.934327][ T5058] do_syscall_64+0xfb/0x240
[ 60.939524][ T5058] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 60.945418][ T5058] RIP: 0033:0x7f6c45c3d5f9
[ 60.949929][ T5058] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 60.969644][ T5058] RSP: 002b:00007ffee5551408 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9
[ 60.978302][ T5058] RAX: ffffffffffffffda RBX: 00007ffee55515d8 RCX: 00007f6c45c3d5f9
[ 60.986435][ T5058] RDX: 000000000000102a RSI: 0000000020002280 RDI: 0000000000000004
[ 60.994509][ T5058] RBP: 00007f6c45cb6610 R08: 0000000000000000 R09: 00007ffee55515d8
[ 61.002674][ T5058] R10: 00000000000060cc R11: 0000000000000246 R12: 0000000000000001
[ 61.010737][ T5058] R13: 00007ffee55515c8 R14: 0000000000000001 R15: 0000000000000001
[ 61.018760][ T5058]
[ 61.022203][ T5058] Kernel Offset: disabled
[ 61.026578][ T5058] Rebooting in 86400 seconds..