./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1638141758
<...>
Warning: Permanently added '10.128.0.171' (ED25519) to the list of known hosts.
execve("./syz-executor1638141758", ["./syz-executor1638141758"], 0x7ffc0325a2e0 /* 10 vars */) = 0
brk(NULL) = 0x555559217000
brk(0x555559217d00) = 0x555559217d00
arch_prctl(ARCH_SET_FS, 0x555559217380) = 0
set_tid_address(0x555559217650) = 5057
set_robust_list(0x555559217660, 24) = 0
rseq(0x555559217ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1638141758", 4096) = 28
getrandom("\x9b\xf3\xe5\x68\x39\x48\xdf\x08", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555559217d00
brk(0x555559238d00) = 0x555559238d00
brk(0x555559239000) = 0x555559239000
mprotect(0x7f00e0fdf000, 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) = 0x7f00d8a00000
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(0x7f00d8a00000, 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
[ 71.375339][ T5057] loop0: detected capacity change from 0 to 32768
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
[ 71.450796][ T5057] ------------[ cut here ]------------
[ 71.457006][ T5057] UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dtree.c:2892:30
[ 71.465477][ T5057] index -1 is out of range for type 'struct dtslot[128]'
[ 71.472971][ T5057] CPU: 0 PID: 5057 Comm: syz-executor163 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
[ 71.483961][ T5057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 71.494574][ T5057] Call Trace:
[ 71.498146][ T5057]
[ 71.501808][ T5057] dump_stack_lvl+0x241/0x360
[ 71.507087][ T5057] ? __pfx_dump_stack_lvl+0x10/0x10
[ 71.512302][ T5057] ? __pfx__printk+0x10/0x10
[ 71.517357][ T5057] ? alloc_pages_mpol+0x40c/0x650
[ 71.522533][ T5057] __ubsan_handle_out_of_bounds+0x121/0x150
[ 71.529512][ T5057] ? alloc_pages+0xef/0x170
[ 71.535552][ T5057] jfs_readdir+0x1cb4/0x4660
[ 71.540528][ T5057] ? __pfx_jfs_readdir+0x10/0x10
[ 71.545499][ T5057] ? __pfx___down_write_common+0x10/0x10
[ 71.551341][ T5057] ? __pfx___mutex_lock+0x10/0x10
[ 71.556661][ T5057] ? __pfx_jfs_readdir+0x10/0x10
[ 71.561874][ T5057] wrap_directory_iterator+0x94/0xe0
[ 71.568323][ T5057] iterate_dir+0x539/0x6f0
[ 71.573168][ T5057] __se_sys_getdents64+0x20d/0x4f0
[ 71.579114][ T5057] ? _raw_spin_unlock_irq+0x2e/0x50
[ 71.584831][ T5057] ? __pfx___se_sys_getdents64+0x10/0x10
[ 71.590780][ T5057] ? __pfx_filldir64+0x10/0x10
[ 71.595668][ T5057] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 71.602422][ T5057] ? do_syscall_64+0x10a/0x240
[ 71.607567][ T5057] ? syscall_trace_enter+0x5f/0x150
[ 71.612989][ T5057] do_syscall_64+0xfb/0x240
[ 71.617767][ T5057] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 71.623796][ T5057] RIP: 0033:0x7f00e0f665f9
[ 71.628648][ T5057] 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
[ 71.649510][ T5057] RSP: 002b:00007fffdc32b878 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9
[ 71.658219][ T5057] RAX: ffffffffffffffda RBX: 00007fffdc32ba48 RCX: 00007f00e0f665f9
[ 71.667589][ T5057] RDX: 000000000000102a RSI: 0000000020002280 RDI: 0000000000000004
[ 71.676070][ T5057] RBP: 00007f00e0fdf610 R08: 0000000000000000 R09: 00007fffdc32ba48
[ 71.684326][ T5057] R10: 00000000000060cc R11: 0000000000000246 R12: 0000000000000001
[ 71.694111][ T5057] R13: 00007fffdc32ba38 R14: 0000000000000001 R15: 0000000000000001
[ 71.702654][ T5057]
[ 71.706515][ T5057] ---[ end trace ]---
[ 71.710807][ T5057] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 71.718638][ T5057] CPU: 0 PID: 5057 Comm: syz-executor163 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
[ 71.728914][ T5057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 71.739072][ T5057] Call Trace:
[ 71.742640][ T5057]
[ 71.745675][ T5057] dump_stack_lvl+0x241/0x360
[ 71.750924][ T5057] ? __pfx_dump_stack_lvl+0x10/0x10
[ 71.756343][ T5057] ? __pfx__printk+0x10/0x10
[ 71.763319][ T5057] ? vprintk_emit+0x631/0x770
[ 71.768212][ T5057] ? vscnprintf+0x5d/0x90
[ 71.772682][ T5057] panic+0x349/0x860
[ 71.776670][ T5057] ? check_panic_on_warn+0x21/0xb0
[ 71.782305][ T5057] ? __pfx_panic+0x10/0x10
[ 71.786999][ T5057] ? _printk+0xd5/0x120
[ 71.791215][ T5057] ? __pfx__printk+0x10/0x10
[ 71.796015][ T5057] ? alloc_pages_mpol+0x40c/0x650
[ 71.801525][ T5057] check_panic_on_warn+0x86/0xb0
[ 71.806619][ T5057] __ubsan_handle_out_of_bounds+0x141/0x150
[ 71.812741][ T5057] ? alloc_pages+0xef/0x170
[ 71.817294][ T5057] jfs_readdir+0x1cb4/0x4660
[ 71.821948][ T5057] ? __pfx_jfs_readdir+0x10/0x10
[ 71.827570][ T5057] ? __pfx___down_write_common+0x10/0x10
[ 71.833328][ T5057] ? __pfx___mutex_lock+0x10/0x10
[ 71.838582][ T5057] ? __pfx_jfs_readdir+0x10/0x10
[ 71.843853][ T5057] wrap_directory_iterator+0x94/0xe0
[ 71.854835][ T5057] iterate_dir+0x539/0x6f0
[ 71.859922][ T5057] __se_sys_getdents64+0x20d/0x4f0
[ 71.865469][ T5057] ? _raw_spin_unlock_irq+0x2e/0x50
[ 71.871515][ T5057] ? __pfx___se_sys_getdents64+0x10/0x10
[ 71.878432][ T5057] ? __pfx_filldir64+0x10/0x10
[ 71.883880][ T5057] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 71.890500][ T5057] ? do_syscall_64+0x10a/0x240
[ 71.895737][ T5057] ? syscall_trace_enter+0x5f/0x150
[ 71.901431][ T5057] do_syscall_64+0xfb/0x240
[ 71.905959][ T5057] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 71.911889][ T5057] RIP: 0033:0x7f00e0f665f9
[ 71.916331][ T5057] 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
[ 71.936577][ T5057] RSP: 002b:00007fffdc32b878 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9
[ 71.946915][ T5057] RAX: ffffffffffffffda RBX: 00007fffdc32ba48 RCX: 00007f00e0f665f9
[ 71.955009][ T5057] RDX: 000000000000102a RSI: 0000000020002280 RDI: 0000000000000004
[ 71.963369][ T5057] RBP: 00007f00e0fdf610 R08: 0000000000000000 R09: 00007fffdc32ba48
[ 71.971478][ T5057] R10: 00000000000060cc R11: 0000000000000246 R12: 0000000000000001
[ 71.980619][ T5057] R13: 00007fffdc32ba38 R14: 0000000000000001 R15: 0000000000000001
[ 71.989105][ T5057]
[ 71.993142][ T5057] Kernel Offset: disabled
[ 71.997740][ T5057] Rebooting in 86400 seconds..