./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4155992534
<...>
Warning: Permanently added '10.128.0.41' (ED25519) to the list of known hosts.
execve("./syz-executor4155992534", ["./syz-executor4155992534"], 0x7ffd08414550 /* 10 vars */) = 0
brk(NULL) = 0x555556da2000
brk(0x555556da2d00) = 0x555556da2d00
arch_prctl(ARCH_SET_FS, 0x555556da2380) = 0
set_tid_address(0x555556da2650) = 5038
set_robust_list(0x555556da2660, 24) = 0
rseq(0x555556da2ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor4155992534", 4096) = 28
getrandom("\x3b\x56\x48\x37\x2e\x12\xd7\xae", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555556da2d00
brk(0x555556dc3d00) = 0x555556dc3d00
brk(0x555556dc4000) = 0x555556dc4000
mprotect(0x7fc205dcd000, 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=0x555556da2650) = 5039
./strace-static-x86_64: Process 5039 attached
[pid 5039] set_robust_list(0x555556da2660, 24) = 0
[pid 5039] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5039] setpgid(0, 0) = 0
[pid 5039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5039] write(3, "1000", 4) = 4
[pid 5039] close(3) = 0
[pid 5039] memfd_create("syzkaller", 0) = 3
[pid 5039] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc1fd915000
[ 69.250028][ T5039] syz-executor415[5039]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set
[pid 5039] 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 5039] munmap(0x7fc1fd915000, 16777216) = 0
[pid 5039] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5039] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5039] close(3) = 0
[pid 5039] mkdir("./file0", 0777) = 0
[pid 5039] mount("/dev/loop0", "./file0", "jfs", MS_REC, "quota,discard,discard,iocharset=koi8-ru,discard,") = 0
[pid 5039] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 5039] chdir("./file0") = 0
[pid 5039] ioctl(4, LOOP_CLR_FD) = 0
[pid 5039] close(4) = 0
[pid 5039] creat(NULL, 000) = -1 EFAULT (Bad address)
[pid 5039] openat(AT_FDCWD, "blkio.bfq.io_service_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[ 69.427247][ T5039] loop0: detected capacity change from 0 to 32768
[ 69.649973][ T5039] ================================================================================
[ 69.659317][ T5039] UBSAN: shift-out-of-bounds in fs/jfs/jfs_extent.c:314:16
[ 69.666558][ T5039] shift exponent -1 is negative
[ 69.671410][ T5039] CPU: 1 PID: 5039 Comm: syz-executor415 Not tainted 6.5.0-rc6-next-20230818-syzkaller #0
[ 69.681293][ T5039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[ 69.691477][ T5039] Call Trace:
[ 69.694753][ T5039]
[ 69.697684][ T5039] dump_stack_lvl+0x125/0x1b0
[ 69.702817][ T5039] __ubsan_handle_shift_out_of_bounds+0x27a/0x600
[ 69.709255][ T5039] extAlloc.cold+0x8b/0xc5
[ 69.713682][ T5039] ? jfs_ioc_trim+0x5c0/0x5c0
[ 69.718357][ T5039] ? down_write_nested+0x153/0x200
[ 69.723465][ T5039] ? lock_acquire+0x464/0x510
[ 69.728146][ T5039] ? lockdep_init_map_type+0x16d/0x7c0
[ 69.733621][ T5039] ? lock_sync+0x190/0x190
[ 69.738049][ T5039] jfs_get_block+0x428/0xb20
[ 69.742651][ T5039] ? jfs_read_folio+0x20/0x20
[ 69.747328][ T5039] ? folio_flags.constprop.0+0x56/0x150
[ 69.752892][ T5039] ? do_raw_spin_unlock+0x173/0x230
[ 69.758121][ T5039] ? _raw_spin_unlock+0x28/0x40
[ 69.762987][ T5039] ? jfs_read_folio+0x20/0x20
[ 69.767697][ T5039] __block_write_begin_int+0x3c0/0x1470
[ 69.773275][ T5039] ? jfs_read_folio+0x20/0x20
[ 69.777963][ T5039] ? invalidate_bh_lrus_cpu+0x170/0x170
[ 69.783516][ T5039] ? folio_flags+0x71/0x1f0
[ 69.788023][ T5039] block_write_begin+0xb1/0x490
[ 69.792878][ T5039] ? jfs_read_folio+0x20/0x20
[ 69.797555][ T5039] jfs_write_begin+0x31/0xd0
[ 69.802324][ T5039] generic_perform_write+0x278/0x600
[ 69.807615][ T5039] ? folio_add_wait_queue+0x1c0/0x1c0
[ 69.812999][ T5039] ? generic_write_checks+0x2b0/0x3f0
[ 69.818381][ T5039] __generic_file_write_iter+0x1f9/0x240
[ 69.824197][ T5039] generic_file_write_iter+0xe3/0x350
[ 69.829581][ T5039] vfs_write+0x650/0xe40
[ 69.833844][ T5039] ? kernel_write+0x6c0/0x6c0
[ 69.838526][ T5039] ? rcu_is_watching+0x12/0xb0
[ 69.843355][ T5039] ? reacquire_held_locks+0x4b0/0x4b0
[ 69.848733][ T5039] ? __fget_light+0x1fc/0x260
[ 69.853413][ T5039] ksys_write+0x12f/0x250
[ 69.857747][ T5039] ? __ia32_sys_read+0xb0/0xb0
[ 69.862513][ T5039] ? _raw_spin_unlock_irq+0x2e/0x50
[ 69.867712][ T5039] ? ptrace_notify+0xf4/0x130
[ 69.872390][ T5039] do_syscall_64+0x38/0xb0
[ 69.876814][ T5039] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 69.882734][ T5039] RIP: 0033:0x7fc205d53ad9
[ 69.887148][ T5039] 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
[ 69.906767][ T5039] RSP: 002b:00007ffc595bd918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 69.915182][ T5039] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc205d53ad9
[ 69.923238][ T5039] RDX: 000000000208e24b RSI: 0000000020000300 RDI: 0000000000000004
[ 69.931294][ T5039] RBP: 00007fc205dcd5f0 R08: 0000555556da34c0 R09: 0000555556da34c0
[ 69.939265][ T5039] R10: 0000555556da34c0 R11: 0000000000000246 R12: 00007ffc595bd940
[ 69.947234][ T5039] R13: 00007ffc595bdb68 R14: 431bde82d7b634db R15: 00007fc205d9c03b
[ 69.955213][ T5039]
[ 69.958408][ T5039] ================================================================================
[ 69.967882][ T5039] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 69.975081][ T5039] CPU: 1 PID: 5039 Comm: syz-executor415 Not tainted 6.5.0-rc6-next-20230818-syzkaller #0
[ 69.984972][ T5039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[ 69.995031][ T5039] Call Trace:
[ 69.998305][ T5039]
[ 70.001236][ T5039] dump_stack_lvl+0xd9/0x1b0
[ 70.005838][ T5039] panic+0x6a6/0x750
[ 70.009740][ T5039] ? panic_smp_self_stop+0xa0/0xa0
[ 70.014941][ T5039] ? syslog_print_all+0x3f0/0x3f0
[ 70.019981][ T5039] check_panic_on_warn+0xab/0xb0
[ 70.024926][ T5039] __ubsan_handle_shift_out_of_bounds+0x2a2/0x600
[ 70.031354][ T5039] extAlloc.cold+0x8b/0xc5
[ 70.035960][ T5039] ? jfs_ioc_trim+0x5c0/0x5c0
[ 70.040643][ T5039] ? down_write_nested+0x153/0x200
[ 70.045758][ T5039] ? lock_acquire+0x464/0x510
[ 70.050448][ T5039] ? lockdep_init_map_type+0x16d/0x7c0
[ 70.055920][ T5039] ? lock_sync+0x190/0x190
[ 70.060344][ T5039] jfs_get_block+0x428/0xb20
[ 70.065026][ T5039] ? jfs_read_folio+0x20/0x20
[ 70.069702][ T5039] ? folio_flags.constprop.0+0x56/0x150
[ 70.075254][ T5039] ? do_raw_spin_unlock+0x173/0x230
[ 70.080461][ T5039] ? _raw_spin_unlock+0x28/0x40
[ 70.085401][ T5039] ? jfs_read_folio+0x20/0x20
[ 70.090089][ T5039] __block_write_begin_int+0x3c0/0x1470
[ 70.095671][ T5039] ? jfs_read_folio+0x20/0x20
[ 70.100434][ T5039] ? invalidate_bh_lrus_cpu+0x170/0x170
[ 70.105996][ T5039] ? folio_flags+0x71/0x1f0
[ 70.110504][ T5039] block_write_begin+0xb1/0x490
[ 70.115361][ T5039] ? jfs_read_folio+0x20/0x20
[ 70.120040][ T5039] jfs_write_begin+0x31/0xd0
[ 70.124633][ T5039] generic_perform_write+0x278/0x600
[ 70.129924][ T5039] ? folio_add_wait_queue+0x1c0/0x1c0
[ 70.135297][ T5039] ? generic_write_checks+0x2b0/0x3f0
[ 70.140690][ T5039] __generic_file_write_iter+0x1f9/0x240
[ 70.146331][ T5039] generic_file_write_iter+0xe3/0x350
[ 70.151707][ T5039] vfs_write+0x650/0xe40
[ 70.155952][ T5039] ? kernel_write+0x6c0/0x6c0
[ 70.160632][ T5039] ? rcu_is_watching+0x12/0xb0
[ 70.165407][ T5039] ? reacquire_held_locks+0x4b0/0x4b0
[ 70.170786][ T5039] ? __fget_light+0x1fc/0x260
[ 70.175552][ T5039] ksys_write+0x12f/0x250
[ 70.179888][ T5039] ? __ia32_sys_read+0xb0/0xb0
[ 70.184661][ T5039] ? _raw_spin_unlock_irq+0x2e/0x50
[ 70.189949][ T5039] ? ptrace_notify+0xf4/0x130
[ 70.194628][ T5039] do_syscall_64+0x38/0xb0
[ 70.199062][ T5039] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 70.204984][ T5039] RIP: 0033:0x7fc205d53ad9
[ 70.209397][ T5039] 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
[ 70.229091][ T5039] RSP: 002b:00007ffc595bd918 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 70.237504][ T5039] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc205d53ad9
[ 70.245564][ T5039] RDX: 000000000208e24b RSI: 0000000020000300 RDI: 0000000000000004
[ 70.253535][ T5039] RBP: 00007fc205dcd5f0 R08: 0000555556da34c0 R09: 0000555556da34c0
[ 70.261615][ T5039] R10: 0000555556da34c0 R11: 0000000000000246 R12: 00007ffc595bd940
[ 70.269697][ T5039] R13: 00007ffc595bdb68 R14: 431bde82d7b634db R15: 00007fc205d9c03b
[ 70.277680][ T5039]
[ 70.280887][ T5039] Kernel Offset: disabled
[ 70.285216][ T5039] Rebooting in 86400 seconds..