./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2438581044
<...>
Warning: Permanently added '10.128.1.1' (ED25519) to the list of known hosts.
execve("./syz-executor2438581044", ["./syz-executor2438581044"], 0x7ffded1bcb90 /* 10 vars */) = 0
brk(NULL) = 0x555555e43000
brk(0x555555e43d00) = 0x555555e43d00
arch_prctl(ARCH_SET_FS, 0x555555e43380) = 0
set_tid_address(0x555555e43650) = 5018
set_robust_list(0x555555e43660, 24) = 0
rseq(0x555555e43ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2438581044", 4096) = 28
getrandom("\xe7\x52\x81\x8b\x74\x89\x6e\xaf", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555555e43d00
brk(0x555555e64d00) = 0x555555e64d00
brk(0x555555e65000) = 0x555555e65000
mprotect(0x7f9500e4c000, 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
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555e43650) = 5020
./strace-static-x86_64: Process 5020 attached
[pid 5020] set_robust_list(0x555555e43660, 24) = 0
[pid 5020] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5020] setpgid(0, 0) = 0
[pid 5020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5020] write(3, "1000", 4) = 4
[pid 5020] close(3) = 0
[pid 5020] memfd_create("syzkaller", 0) = 3
[pid 5020] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f94f8994000
[ 43.139459][ T5020] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5020 'syz-executor243'
[pid 5020] 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
[pid 5020] munmap(0x7f94f8994000, 16777216) = 0
[pid 5020] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5020] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5020] close(3) = 0
[pid 5020] mkdir("./file0", 0777) = 0
[pid 5020] mount("/dev/loop0", "./file0", "jfs", MS_REC, "quota,discard,discard,iocharset=koi8-ru,discard,") = 0
[pid 5020] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 5020] chdir("./file0") = 0
[pid 5020] ioctl(4, LOOP_CLR_FD) = 0
[pid 5020] close(4) = 0
[pid 5020] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[ 43.256030][ T5020] loop0: detected capacity change from 0 to 32768
[ 43.445972][ T5020] ================================================================================
[ 43.455469][ T5020] UBSAN: shift-out-of-bounds in fs/jfs/jfs_extent.c:314:16
[ 43.462706][ T5020] shift exponent -1 is negative
[ 43.467585][ T5020] CPU: 0 PID: 5020 Comm: syz-executor243 Not tainted 6.5.0-rc1-syzkaller-00152-g4b810bf037e5 #0
[ 43.477980][ T5020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
[ 43.488019][ T5020] Call Trace:
[ 43.491310][ T5020]
[ 43.494229][ T5020] dump_stack_lvl+0x125/0x1b0
[ 43.498928][ T5020] __ubsan_handle_shift_out_of_bounds+0x27a/0x600
[ 43.505397][ T5020] extAlloc.cold+0x8b/0xc5
[ 43.509839][ T5020] ? jfs_ioc_trim+0x5c0/0x5c0
[ 43.514523][ T5020] ? down_write_nested+0x153/0x200
[ 43.519701][ T5020] ? find_held_lock+0x2d/0x110
[ 43.524488][ T5020] jfs_get_block+0x428/0xb20
[ 43.529076][ T5020] ? jfs_read_folio+0x20/0x20
[ 43.533756][ T5020] ? folio_flags.constprop.0+0x56/0x150
[ 43.539327][ T5020] ? do_raw_spin_unlock+0x173/0x230
[ 43.544525][ T5020] ? _raw_spin_unlock+0x28/0x40
[ 43.549380][ T5020] ? jfs_read_folio+0x20/0x20
[ 43.554054][ T5020] __block_write_begin_int+0x3c0/0x1470
[ 43.559605][ T5020] ? jfs_read_folio+0x20/0x20
[ 43.564281][ T5020] ? invalidate_bh_lrus_cpu+0x170/0x170
[ 43.569840][ T5020] ? __filemap_get_folio+0x1e7/0x990
[ 43.575160][ T5020] block_write_begin+0xb1/0x490
[ 43.580028][ T5020] ? jfs_read_folio+0x20/0x20
[ 43.584709][ T5020] jfs_write_begin+0x31/0xd0
[ 43.589298][ T5020] generic_perform_write+0x278/0x600
[ 43.594599][ T5020] ? folio_add_wait_queue+0x1c0/0x1c0
[ 43.599978][ T5020] ? new_inode+0x270/0x270
[ 43.604388][ T5020] ? generic_write_checks_count+0x2d0/0x2d0
[ 43.610298][ T5020] __generic_file_write_iter+0x1f9/0x240
[ 43.615929][ T5020] generic_file_write_iter+0xe3/0x350
[ 43.621301][ T5020] vfs_write+0x650/0xe40
[ 43.625548][ T5020] ? kernel_write+0x6c0/0x6c0
[ 43.630226][ T5020] ? find_held_lock+0x2d/0x110
[ 43.635028][ T5020] ? reacquire_held_locks+0x4b0/0x4b0
[ 43.640420][ T5020] ? __fget_light+0x1fc/0x260
[ 43.645098][ T5020] ksys_write+0x12f/0x250
[ 43.649435][ T5020] ? __ia32_sys_read+0xb0/0xb0
[ 43.654204][ T5020] ? lockdep_hardirqs_on+0x7d/0x100
[ 43.659395][ T5020] ? _raw_spin_unlock_irq+0x2e/0x50
[ 43.664588][ T5020] ? ptrace_notify+0xf4/0x130
[ 43.669257][ T5020] do_syscall_64+0x38/0xb0
[ 43.673663][ T5020] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 43.679572][ T5020] RIP: 0033:0x7f9500dd2a99
[ 43.683976][ T5020] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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
[ 43.703580][ T5020] RSP: 002b:00007fff4a24d6e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 43.711989][ T5020] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9500dd2a99
[ 43.719952][ T5020] RDX: 000000000208e24b RSI: 0000000020000300 RDI: 0000000000000004
[ 43.727928][ T5020] RBP: 00007f9500e4c5f0 R08: 0000555555e444c0 R09: 0000555555e444c0
[ 43.735890][ T5020] R10: 0000000000005d70 R11: 0000000000000246 R12: 00007fff4a24d710
[ 43.743853][ T5020] R13: 00007fff4a24d938 R14: 431bde82d7b634db R15: 00007f9500e1b03b
[ 43.751826][ T5020]
[ 43.755223][ T5020] ================================================================================
[ 43.764644][ T5020] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 43.771839][ T5020] CPU: 0 PID: 5020 Comm: syz-executor243 Not tainted 6.5.0-rc1-syzkaller-00152-g4b810bf037e5 #0
[ 43.782241][ T5020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
[ 43.792286][ T5020] Call Trace:
[ 43.795554][ T5020]
[ 43.798474][ T5020] dump_stack_lvl+0xd9/0x1b0
[ 43.803058][ T5020] panic+0x6a4/0x750
[ 43.806952][ T5020] ? panic_smp_self_stop+0xa0/0xa0
[ 43.812147][ T5020] ? syslog_print_all+0x3f0/0x3f0
[ 43.817178][ T5020] check_panic_on_warn+0xab/0xb0
[ 43.822110][ T5020] __ubsan_handle_shift_out_of_bounds+0x2a2/0x600
[ 43.828536][ T5020] extAlloc.cold+0x8b/0xc5
[ 43.832962][ T5020] ? jfs_ioc_trim+0x5c0/0x5c0
[ 43.837644][ T5020] ? down_write_nested+0x153/0x200
[ 43.842751][ T5020] ? find_held_lock+0x2d/0x110
[ 43.847517][ T5020] jfs_get_block+0x428/0xb20
[ 43.852111][ T5020] ? jfs_read_folio+0x20/0x20
[ 43.856797][ T5020] ? folio_flags.constprop.0+0x56/0x150
[ 43.862348][ T5020] ? do_raw_spin_unlock+0x173/0x230
[ 43.867543][ T5020] ? _raw_spin_unlock+0x28/0x40
[ 43.872403][ T5020] ? jfs_read_folio+0x20/0x20
[ 43.877076][ T5020] __block_write_begin_int+0x3c0/0x1470
[ 43.882630][ T5020] ? jfs_read_folio+0x20/0x20
[ 43.887305][ T5020] ? invalidate_bh_lrus_cpu+0x170/0x170
[ 43.892956][ T5020] ? __filemap_get_folio+0x1e7/0x990
[ 43.898240][ T5020] block_write_begin+0xb1/0x490
[ 43.903091][ T5020] ? jfs_read_folio+0x20/0x20
[ 43.907770][ T5020] jfs_write_begin+0x31/0xd0
[ 43.912394][ T5020] generic_perform_write+0x278/0x600
[ 43.917712][ T5020] ? folio_add_wait_queue+0x1c0/0x1c0
[ 43.923181][ T5020] ? new_inode+0x270/0x270
[ 43.927598][ T5020] ? generic_write_checks_count+0x2d0/0x2d0
[ 43.933499][ T5020] __generic_file_write_iter+0x1f9/0x240
[ 43.939134][ T5020] generic_file_write_iter+0xe3/0x350
[ 43.944519][ T5020] vfs_write+0x650/0xe40
[ 43.948762][ T5020] ? kernel_write+0x6c0/0x6c0
[ 43.953458][ T5020] ? find_held_lock+0x2d/0x110
[ 43.958244][ T5020] ? reacquire_held_locks+0x4b0/0x4b0
[ 43.963612][ T5020] ? __fget_light+0x1fc/0x260
[ 43.968293][ T5020] ksys_write+0x12f/0x250
[ 43.972623][ T5020] ? __ia32_sys_read+0xb0/0xb0
[ 43.977388][ T5020] ? lockdep_hardirqs_on+0x7d/0x100
[ 43.982584][ T5020] ? _raw_spin_unlock_irq+0x2e/0x50
[ 43.987780][ T5020] ? ptrace_notify+0xf4/0x130
[ 43.992457][ T5020] do_syscall_64+0x38/0xb0
[ 43.996935][ T5020] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 44.002834][ T5020] RIP: 0033:0x7f9500dd2a99
[ 44.007240][ T5020] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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
[ 44.026881][ T5020] RSP: 002b:00007fff4a24d6e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 44.035297][ T5020] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9500dd2a99
[ 44.043279][ T5020] RDX: 000000000208e24b RSI: 0000000020000300 RDI: 0000000000000004
[ 44.051244][ T5020] RBP: 00007f9500e4c5f0 R08: 0000555555e444c0 R09: 0000555555e444c0
[ 44.059208][ T5020] R10: 0000000000005d70 R11: 0000000000000246 R12: 00007fff4a24d710
[ 44.067170][ T5020] R13: 00007fff4a24d938 R14: 431bde82d7b634db R15: 00007f9500e1b03b
[ 44.075176][ T5020]
[ 44.078927][ T5020] Kernel Offset: disabled
[ 44.083358][ T5020] Rebooting in 86400 seconds..