./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3661316420
<...>
Warning: Permanently added '10.128.1.77' (ED25519) to the list of known hosts.
execve("./syz-executor3661316420", ["./syz-executor3661316420"], 0x7fffdde80a70 /* 10 vars */) = 0
brk(NULL) = 0x55558e603000
brk(0x55558e603d00) = 0x55558e603d00
arch_prctl(ARCH_SET_FS, 0x55558e603380) = 0
set_tid_address(0x55558e603650) = 5057
set_robust_list(0x55558e603660, 24) = 0
rseq(0x55558e603ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3661316420", 4096) = 28
getrandom("\xd1\xc4\xba\xe1\x9a\x8f\xa1\x3e", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55558e603d00
brk(0x55558e624d00) = 0x55558e624d00
brk(0x55558e625000) = 0x55558e625000
mprotect(0x7f643a46e000, 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) = 0x7f6431e00000
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(0x7f6431e00000, 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
[ 68.879295][ T5057] loop0: detected capacity change from 0 to 32768
[ 68.947007][ T5057] ------------[ cut here ]------------
[ 68.952793][ T5057] UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dtree.c:2892:30
[ 68.962164][ T5057] index -1 is out of range for type 'struct dtslot[128]'
[ 68.969481][ T5057] CPU: 1 PID: 5057 Comm: syz-executor366 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
[ 68.979772][ T5057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 68.990080][ T5057] Call Trace:
[ 68.993379][ T5057]
[ 68.996299][ T5057] dump_stack_lvl+0x241/0x360
[ 69.001031][ T5057] ? __pfx_dump_stack_lvl+0x10/0x10
[ 69.006611][ T5057] ? __pfx__printk+0x10/0x10
[ 69.011299][ T5057] ? alloc_pages_mpol+0x40c/0x650
[ 69.016419][ T5057] __ubsan_handle_out_of_bounds+0x121/0x150
[ 69.022694][ T5057] ? alloc_pages+0xef/0x170
[ 69.027415][ T5057] jfs_readdir+0x1cb4/0x4660
[ 69.032050][ T5057] ? __pfx_jfs_readdir+0x10/0x10
[ 69.037203][ T5057] ? __pfx___down_write_common+0x10/0x10
[ 69.042874][ T5057] ? __pfx___mutex_lock+0x10/0x10
[ 69.047909][ T5057] ? __pfx_jfs_readdir+0x10/0x10
[ 69.053020][ T5057] wrap_directory_iterator+0x94/0xe0
[ 69.058418][ T5057] iterate_dir+0x539/0x6f0
[ 69.063127][ T5057] __se_sys_getdents64+0x20d/0x4f0
[ 69.068255][ T5057] ? _raw_spin_unlock_irq+0x2e/0x50
[ 69.073725][ T5057] ? __pfx___se_sys_getdents64+0x10/0x10
[ 69.079370][ T5057] ? __pfx_filldir64+0x10/0x10
[ 69.084290][ T5057] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 69.090861][ T5057] ? do_syscall_64+0x10a/0x240
[ 69.095880][ T5057] ? syscall_trace_enter+0x5f/0x150
[ 69.101065][ T5057] do_syscall_64+0xfb/0x240
[ 69.105559][ T5057] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 69.111460][ T5057] RIP: 0033:0x7f643a3f55f9
[ 69.115861][ 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
[ 69.136653][ T5057] RSP: 002b:00007ffc3a352688 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9
[ 69.145424][ T5057] RAX: ffffffffffffffda RBX: 00007ffc3a352858 RCX: 00007f643a3f55f9
[ 69.153636][ T5057] RDX: 000000000000102a RSI: 0000000020002280 RDI: 0000000000000004
[ 69.161778][ T5057] RBP: 00007f643a46e610 R08: 0000000000000000 R09: 00007ffc3a352858
[ 69.170124][ T5057] R10: 00000000000060cc R11: 0000000000000246 R12: 0000000000000001
[ 69.178445][ T5057] R13: 00007ffc3a352848 R14: 0000000000000001 R15: 0000000000000001
[ 69.187168][ T5057]
[ 69.191002][ T5057] ---[ end trace ]---
[ 69.195145][ T5057] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 69.202610][ T5057] CPU: 1 PID: 5057 Comm: syz-executor366 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
[ 69.213214][ T5057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 69.223715][ T5057] Call Trace:
[ 69.227806][ T5057]
[ 69.230746][ T5057] dump_stack_lvl+0x241/0x360
[ 69.235531][ T5057] ? __pfx_dump_stack_lvl+0x10/0x10
[ 69.241236][ T5057] ? __pfx__printk+0x10/0x10
[ 69.245871][ T5057] ? vprintk_emit+0x631/0x770
[ 69.250909][ T5057] ? vscnprintf+0x5d/0x90
[ 69.255340][ T5057] panic+0x349/0x860
[ 69.259324][ T5057] ? check_panic_on_warn+0x21/0xb0
[ 69.264462][ T5057] ? __pfx_panic+0x10/0x10
[ 69.268900][ T5057] ? _printk+0xd5/0x120
[ 69.273062][ T5057] ? __pfx__printk+0x10/0x10
[ 69.277649][ T5057] ? alloc_pages_mpol+0x40c/0x650
[ 69.282672][ T5057] check_panic_on_warn+0x86/0xb0
[ 69.287616][ T5057] __ubsan_handle_out_of_bounds+0x141/0x150
[ 69.293506][ T5057] ? alloc_pages+0xef/0x170
[ 69.298187][ T5057] jfs_readdir+0x1cb4/0x4660
[ 69.302797][ T5057] ? __pfx_jfs_readdir+0x10/0x10
[ 69.307750][ T5057] ? __pfx___down_write_common+0x10/0x10
[ 69.313385][ T5057] ? __pfx___mutex_lock+0x10/0x10
[ 69.318448][ T5057] ? __pfx_jfs_readdir+0x10/0x10
[ 69.323661][ T5057] wrap_directory_iterator+0x94/0xe0
[ 69.329040][ T5057] iterate_dir+0x539/0x6f0
[ 69.333628][ T5057] __se_sys_getdents64+0x20d/0x4f0
[ 69.338734][ T5057] ? _raw_spin_unlock_irq+0x2e/0x50
[ 69.344028][ T5057] ? __pfx___se_sys_getdents64+0x10/0x10
[ 69.349648][ T5057] ? __pfx_filldir64+0x10/0x10
[ 69.354405][ T5057] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 69.360844][ T5057] ? do_syscall_64+0x10a/0x240
[ 69.365965][ T5057] ? syscall_trace_enter+0x5f/0x150
[ 69.371333][ T5057] do_syscall_64+0xfb/0x240
[ 69.375845][ T5057] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 69.381958][ T5057] RIP: 0033:0x7f643a3f55f9
[ 69.386421][ 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
[ 69.406052][ T5057] RSP: 002b:00007ffc3a352688 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9
[ 69.414486][ T5057] RAX: ffffffffffffffda RBX: 00007ffc3a352858 RCX: 00007f643a3f55f9
[ 69.422579][ T5057] RDX: 000000000000102a RSI: 0000000020002280 RDI: 0000000000000004
[ 69.430730][ T5057] RBP: 00007f643a46e610 R08: 0000000000000000 R09: 00007ffc3a352858
[ 69.438696][ T5057] R10: 00000000000060cc R11: 0000000000000246 R12: 0000000000000001
[ 69.446683][ T5057] R13: 00007ffc3a352848 R14: 0000000000000001 R15: 0000000000000001
[ 69.454749][ T5057]
[ 69.458175][ T5057] Kernel Offset: disabled
[ 69.462552][ T5057] Rebooting in 86400 seconds..