./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1601556167
<...>
Warning: Permanently added '10.128.1.104' (ED25519) to the list of known hosts.
execve("./syz-executor1601556167", ["./syz-executor1601556167"], 0x7ffd29464a40 /* 10 vars */) = 0
brk(NULL) = 0x5555796bd000
brk(0x5555796bdd00) = 0x5555796bdd00
arch_prctl(ARCH_SET_FS, 0x5555796bd380) = 0
set_tid_address(0x5555796bd650) = 5057
set_robust_list(0x5555796bd660, 24) = 0
rseq(0x5555796bdca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1601556167", 4096) = 28
getrandom("\xba\x8d\x55\xac\xf0\xb5\x27\xf4", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x5555796bdd00
brk(0x5555796ded00) = 0x5555796ded00
brk(0x5555796df000) = 0x5555796df000
mprotect(0x7f17e5dc9000, 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) = 0x7f17dd800000
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(0x7f17dd800000, 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
[ 66.344457][ 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
[ 66.419410][ T5057] ------------[ cut here ]------------
[ 66.425012][ T5057] UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dtree.c:2892:30
[ 66.432885][ T5057] index -1 is out of range for type 'struct dtslot[128]'
[ 66.440268][ T5057] CPU: 1 PID: 5057 Comm: syz-executor160 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
[ 66.450442][ T5057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 66.460579][ T5057] Call Trace:
[ 66.464041][ T5057]
[ 66.466997][ T5057] dump_stack_lvl+0x241/0x360
[ 66.471710][ T5057] ? __pfx_dump_stack_lvl+0x10/0x10
[ 66.476925][ T5057] ? __pfx__printk+0x10/0x10
[ 66.481643][ T5057] ? alloc_pages_mpol+0x40c/0x650
[ 66.487214][ T5057] __ubsan_handle_out_of_bounds+0x121/0x150
[ 66.493582][ T5057] ? alloc_pages+0xef/0x170
[ 66.498527][ T5057] jfs_readdir+0x1cb4/0x4660
[ 66.503278][ T5057] ? __pfx_jfs_readdir+0x10/0x10
[ 66.508238][ T5057] ? __pfx___down_write_common+0x10/0x10
[ 66.513873][ T5057] ? __pfx___mutex_lock+0x10/0x10
[ 66.518899][ T5057] ? __pfx_jfs_readdir+0x10/0x10
[ 66.523843][ T5057] wrap_directory_iterator+0x94/0xe0
[ 66.529221][ T5057] iterate_dir+0x539/0x6f0
[ 66.533631][ T5057] __se_sys_getdents64+0x20d/0x4f0
[ 66.538916][ T5057] ? _raw_spin_unlock_irq+0x2e/0x50
[ 66.544554][ T5057] ? __pfx___se_sys_getdents64+0x10/0x10
[ 66.550731][ T5057] ? __pfx_filldir64+0x10/0x10
[ 66.555498][ T5057] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 66.561907][ T5057] ? do_syscall_64+0x10a/0x240
[ 66.566666][ T5057] ? syscall_trace_enter+0x5f/0x150
[ 66.571899][ T5057] do_syscall_64+0xfb/0x240
[ 66.576436][ T5057] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 66.582358][ T5057] RIP: 0033:0x7f17e5d505f9
[ 66.586782][ 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
[ 66.606579][ T5057] RSP: 002b:00007ffd15633e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9
[ 66.615356][ T5057] RAX: ffffffffffffffda RBX: 00007ffd15634038 RCX: 00007f17e5d505f9
[ 66.623422][ T5057] RDX: 000000000000102a RSI: 0000000020002280 RDI: 0000000000000004
[ 66.631391][ T5057] RBP: 00007f17e5dc9610 R08: 0000000000000000 R09: 00007ffd15634038
[ 66.639631][ T5057] R10: 00000000000060cc R11: 0000000000000246 R12: 0000000000000001
[ 66.648167][ T5057] R13: 00007ffd15634028 R14: 0000000000000001 R15: 0000000000000001
[ 66.656586][ T5057]
[ 66.660012][ T5057] ---[ end trace ]---
[ 66.664128][ T5057] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 66.672036][ T5057] CPU: 1 PID: 5057 Comm: syz-executor160 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0
[ 66.682220][ T5057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[ 66.692272][ T5057] Call Trace:
[ 66.695639][ T5057]
[ 66.698571][ T5057] dump_stack_lvl+0x241/0x360
[ 66.703248][ T5057] ? __pfx_dump_stack_lvl+0x10/0x10
[ 66.708439][ T5057] ? __pfx__printk+0x10/0x10
[ 66.713024][ T5057] ? vprintk_emit+0x631/0x770
[ 66.717710][ T5057] ? vscnprintf+0x5d/0x90
[ 66.722132][ T5057] panic+0x349/0x860
[ 66.726027][ T5057] ? check_panic_on_warn+0x21/0xb0
[ 66.731249][ T5057] ? __pfx_panic+0x10/0x10
[ 66.735745][ T5057] ? _printk+0xd5/0x120
[ 66.740076][ T5057] ? __pfx__printk+0x10/0x10
[ 66.744931][ T5057] ? alloc_pages_mpol+0x40c/0x650
[ 66.750063][ T5057] check_panic_on_warn+0x86/0xb0
[ 66.755019][ T5057] __ubsan_handle_out_of_bounds+0x141/0x150
[ 66.761446][ T5057] ? alloc_pages+0xef/0x170
[ 66.766056][ T5057] jfs_readdir+0x1cb4/0x4660
[ 66.770666][ T5057] ? __pfx_jfs_readdir+0x10/0x10
[ 66.775618][ T5057] ? __pfx___down_write_common+0x10/0x10
[ 66.781426][ T5057] ? __pfx___mutex_lock+0x10/0x10
[ 66.786460][ T5057] ? __pfx_jfs_readdir+0x10/0x10
[ 66.791390][ T5057] wrap_directory_iterator+0x94/0xe0
[ 66.796679][ T5057] iterate_dir+0x539/0x6f0
[ 66.801097][ T5057] __se_sys_getdents64+0x20d/0x4f0
[ 66.806198][ T5057] ? _raw_spin_unlock_irq+0x2e/0x50
[ 66.811400][ T5057] ? __pfx___se_sys_getdents64+0x10/0x10
[ 66.817031][ T5057] ? __pfx_filldir64+0x10/0x10
[ 66.821896][ T5057] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 66.828846][ T5057] ? do_syscall_64+0x10a/0x240
[ 66.833777][ T5057] ? syscall_trace_enter+0x5f/0x150
[ 66.839054][ T5057] do_syscall_64+0xfb/0x240
[ 66.843555][ T5057] entry_SYSCALL_64_after_hwframe+0x6d/0x75
[ 66.849621][ T5057] RIP: 0033:0x7f17e5d505f9
[ 66.854141][ 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
[ 66.873770][ T5057] RSP: 002b:00007ffd15633e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9
[ 66.882275][ T5057] RAX: ffffffffffffffda RBX: 00007ffd15634038 RCX: 00007f17e5d505f9
[ 66.890325][ T5057] RDX: 000000000000102a RSI: 0000000020002280 RDI: 0000000000000004
[ 66.898312][ T5057] RBP: 00007f17e5dc9610 R08: 0000000000000000 R09: 00007ffd15634038
[ 66.906283][ T5057] R10: 00000000000060cc R11: 0000000000000246 R12: 0000000000000001
[ 66.914343][ T5057] R13: 00007ffd15634028 R14: 0000000000000001 R15: 0000000000000001
[ 66.922411][ T5057]
[ 66.925917][ T5057] Kernel Offset: disabled
[ 66.930273][ T5057] Rebooting in 86400 seconds..