./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3491669484
<...>
Warning: Permanently added '10.128.1.84' (ED25519) to the list of known hosts.
execve("./syz-executor3491669484", ["./syz-executor3491669484"], 0x7ffe720c03d0 /* 10 vars */) = 0
brk(NULL) = 0x55558cb09000
brk(0x55558cb09d00) = 0x55558cb09d00
arch_prctl(ARCH_SET_FS, 0x55558cb09380) = 0
set_tid_address(0x55558cb09650) = 5058
set_robust_list(0x55558cb09660, 24) = 0
rseq(0x55558cb09ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3491669484", 4096) = 28
getrandom("\x7b\x81\xc8\x36\xb7\xf5\xff\xa6", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55558cb09d00
brk(0x55558cb2ad00) = 0x55558cb2ad00
brk(0x55558cb2b000) = 0x55558cb2b000
mprotect(0x7fd48f34f000, 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) = 0x7fd486e00000
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(0x7fd486e00000, 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
[ 68.880329][ T5058] 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
[ 68.957928][ T5058] ------------[ cut here ]------------
[ 68.963951][ T5058] UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dtree.c:2892:30
[ 68.971919][ T5058] index -1 is out of range for type 'struct dtslot[128]'
[ 68.979356][ T5058] CPU: 1 PID: 5058 Comm: syz-executor349 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
[ 68.989455][ T5058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 68.999782][ T5058] Call Trace:
[ 69.003062][ T5058]
[ 69.006078][ T5058] dump_stack_lvl+0x241/0x360
[ 69.010784][ T5058] ? __pfx_dump_stack_lvl+0x10/0x10
[ 69.016189][ T5058] ? __pfx__printk+0x10/0x10
[ 69.020956][ T5058] ? alloc_pages_mpol+0x40c/0x650
[ 69.026075][ T5058] __ubsan_handle_out_of_bounds+0x121/0x150
[ 69.031969][ T5058] ? alloc_pages+0xef/0x170
[ 69.036712][ T5058] jfs_readdir+0x1cb4/0x4660
[ 69.041335][ T5058] ? __pfx_jfs_readdir+0x10/0x10
[ 69.046473][ T5058] ? __pfx___down_write_common+0x10/0x10
[ 69.052208][ T5058] ? __pfx___mutex_lock+0x10/0x10
[ 69.057234][ T5058] ? __pfx_jfs_readdir+0x10/0x10
[ 69.062253][ T5058] wrap_directory_iterator+0x94/0xe0
[ 69.067625][ T5058] iterate_dir+0x539/0x6f0
[ 69.072227][ T5058] __se_sys_getdents64+0x20d/0x4f0
[ 69.077420][ T5058] ? _raw_spin_unlock_irq+0x2e/0x50
[ 69.082710][ T5058] ? __pfx___se_sys_getdents64+0x10/0x10
[ 69.088445][ T5058] ? __pfx_filldir64+0x10/0x10
[ 69.093450][ T5058] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 69.100064][ T5058] ? do_syscall_64+0x10a/0x240
[ 69.104918][ T5058] ? syscall_trace_enter+0x5f/0x150
[ 69.110113][ T5058] do_syscall_64+0xfb/0x240
[ 69.114638][ T5058] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 69.120628][ T5058] RIP: 0033:0x7fd48f2d65f9
[ 69.125041][ 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
[ 69.145000][ T5058] RSP: 002b:00007ffd9be64d08 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9
[ 69.153423][ T5058] RAX: ffffffffffffffda RBX: 00007ffd9be64ed8 RCX: 00007fd48f2d65f9
[ 69.161663][ T5058] RDX: 000000000000102a RSI: 0000000020002280 RDI: 0000000000000004
[ 69.170069][ T5058] RBP: 00007fd48f34f610 R08: 0000000000000000 R09: 00007ffd9be64ed8
[ 69.178132][ T5058] R10: 00000000000060cc R11: 0000000000000246 R12: 0000000000000001
[ 69.186475][ T5058] R13: 00007ffd9be64ec8 R14: 0000000000000001 R15: 0000000000000001
[ 69.194722][ T5058]
[ 69.198821][ T5058] ---[ end trace ]---
[ 69.202834][ T5058] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 69.210128][ T5058] CPU: 1 PID: 5058 Comm: syz-executor349 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
[ 69.220453][ T5058] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 69.230499][ T5058] Call Trace:
[ 69.233773][ T5058]
[ 69.236705][ T5058] dump_stack_lvl+0x241/0x360
[ 69.241385][ T5058] ? __pfx_dump_stack_lvl+0x10/0x10
[ 69.246743][ T5058] ? __pfx__printk+0x10/0x10
[ 69.251426][ T5058] ? vprintk_emit+0x631/0x770
[ 69.256135][ T5058] ? vscnprintf+0x5d/0x90
[ 69.260553][ T5058] panic+0x349/0x860
[ 69.264448][ T5058] ? check_panic_on_warn+0x21/0xb0
[ 69.270012][ T5058] ? __pfx_panic+0x10/0x10
[ 69.274419][ T5058] ? _printk+0xd5/0x120
[ 69.278577][ T5058] ? __pfx__printk+0x10/0x10
[ 69.283165][ T5058] ? alloc_pages_mpol+0x40c/0x650
[ 69.289695][ T5058] check_panic_on_warn+0x86/0xb0
[ 69.294828][ T5058] __ubsan_handle_out_of_bounds+0x141/0x150
[ 69.300828][ T5058] ? alloc_pages+0xef/0x170
[ 69.305356][ T5058] jfs_readdir+0x1cb4/0x4660
[ 69.310085][ T5058] ? __pfx_jfs_readdir+0x10/0x10
[ 69.315063][ T5058] ? __pfx___down_write_common+0x10/0x10
[ 69.320795][ T5058] ? __pfx___mutex_lock+0x10/0x10
[ 69.325829][ T5058] ? __pfx_jfs_readdir+0x10/0x10
[ 69.330850][ T5058] wrap_directory_iterator+0x94/0xe0
[ 69.336478][ T5058] iterate_dir+0x539/0x6f0
[ 69.340899][ T5058] __se_sys_getdents64+0x20d/0x4f0
[ 69.346647][ T5058] ? _raw_spin_unlock_irq+0x2e/0x50
[ 69.352147][ T5058] ? __pfx___se_sys_getdents64+0x10/0x10
[ 69.357998][ T5058] ? __pfx_filldir64+0x10/0x10
[ 69.363134][ T5058] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 69.369463][ T5058] ? do_syscall_64+0x10a/0x240
[ 69.374318][ T5058] ? syscall_trace_enter+0x5f/0x150
[ 69.379601][ T5058] do_syscall_64+0xfb/0x240
[ 69.384218][ T5058] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 69.390400][ T5058] RIP: 0033:0x7fd48f2d65f9
[ 69.394829][ 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
[ 69.414962][ T5058] RSP: 002b:00007ffd9be64d08 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9
[ 69.423650][ T5058] RAX: ffffffffffffffda RBX: 00007ffd9be64ed8 RCX: 00007fd48f2d65f9
[ 69.431788][ T5058] RDX: 000000000000102a RSI: 0000000020002280 RDI: 0000000000000004
[ 69.439753][ T5058] RBP: 00007fd48f34f610 R08: 0000000000000000 R09: 00007ffd9be64ed8
[ 69.447778][ T5058] R10: 00000000000060cc R11: 0000000000000246 R12: 0000000000000001
[ 69.456014][ T5058] R13: 00007ffd9be64ec8 R14: 0000000000000001 R15: 0000000000000001
[ 69.464424][ T5058]
[ 69.468214][ T5058] Kernel Offset: disabled
[ 69.473168][ T5058] Rebooting in 86400 seconds..