./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1683640959
<...>
Warning: Permanently added '10.128.1.155' (ED25519) to the list of known hosts.
execve("./syz-executor1683640959", ["./syz-executor1683640959"], 0x7fff0aa729b0 /* 10 vars */) = 0
brk(NULL) = 0x555555cb2000
brk(0x555555cb2d00) = 0x555555cb2d00
arch_prctl(ARCH_SET_FS, 0x555555cb2380) = 0
set_tid_address(0x555555cb2650) = 5039
set_robust_list(0x555555cb2660, 24) = 0
rseq(0x555555cb2ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1683640959", 4096) = 28
getrandom("\x44\xc8\x6f\x31\x47\xb6\x30\x56", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555555cb2d00
brk(0x555555cd3d00) = 0x555555cd3d00
brk(0x555555cd4000) = 0x555555cd4000
mprotect(0x7fbde5158000, 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) = 0x7fbddcca2000
[ 63.341475][ T5039] syz-executor168[5039]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set
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(0x7fbddcca2000, 16777216) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
ioctl(4, LOOP_SET_FD, 3) = 0
close(3) = 0
mkdir("./file0", 0777) = 0
mount("/dev/loop0", "./file0", "jfs", MS_LAZYTIME, "") = 0
openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
chdir("./file0") = 0
ioctl(4, LOOP_CLR_FD) = 0
close(4) = 0
open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 4
open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_NOFOLLOW|O_NOATIME, 000) = 5
open(NULL, O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = -1 EFAULT (Bad address)
ftruncate(-1, 33587195) = -1 EBADF (Bad file descriptor)
openat(AT_FDCWD, "blkio.bfq.sectors", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 6
[ 63.492527][ T5039] loop0: detected capacity change from 0 to 32768
[ 63.508286][ T5039] find_entry called with index = 0
[ 63.513522][ T5039] find_entry called with index = 0
[ 63.521332][ T5039] find_entry called with index = 1
[ 63.526928][ T5039] find_entry called with index = 1
[ 63.721615][ T5039] ================================================================================
[ 63.730972][ T5039] UBSAN: shift-out-of-bounds in fs/jfs/jfs_extent.c:314:16
[ 63.738238][ T5039] shift exponent -1 is negative
[ 63.743155][ T5039] CPU: 1 PID: 5039 Comm: syz-executor168 Not tainted 6.5.0-rc6-next-20230818-syzkaller #0
[ 63.753124][ T5039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[ 63.763338][ T5039] Call Trace:
[ 63.766700][ T5039]
[ 63.769617][ T5039] dump_stack_lvl+0x125/0x1b0
[ 63.774292][ T5039] __ubsan_handle_shift_out_of_bounds+0x27a/0x600
[ 63.780703][ T5039] extAlloc.cold+0x8b/0xc5
[ 63.785129][ T5039] ? jfs_ioc_trim+0x5c0/0x5c0
[ 63.789819][ T5039] ? down_write_nested+0x153/0x200
[ 63.794970][ T5039] ? lock_acquire+0x464/0x510
[ 63.799770][ T5039] ? lockdep_init_map_type+0x16d/0x7c0
[ 63.805247][ T5039] ? lock_sync+0x190/0x190
[ 63.810031][ T5039] jfs_get_block+0x428/0xb20
[ 63.814717][ T5039] ? jfs_read_folio+0x20/0x20
[ 63.819489][ T5039] ? folio_flags.constprop.0+0x56/0x150
[ 63.825047][ T5039] ? do_raw_spin_unlock+0x173/0x230
[ 63.830255][ T5039] ? _raw_spin_unlock+0x28/0x40
[ 63.835196][ T5039] ? jfs_read_folio+0x20/0x20
[ 63.839968][ T5039] __block_write_begin_int+0x3c0/0x1470
[ 63.846181][ T5039] ? jfs_read_folio+0x20/0x20
[ 63.851040][ T5039] ? invalidate_bh_lrus_cpu+0x170/0x170
[ 63.856593][ T5039] ? folio_flags+0x71/0x1f0
[ 63.861104][ T5039] block_write_begin+0xb1/0x490
[ 63.865990][ T5039] ? jfs_read_folio+0x20/0x20
[ 63.870668][ T5039] jfs_write_begin+0x31/0xd0
[ 63.875267][ T5039] generic_perform_write+0x278/0x600
[ 63.880583][ T5039] ? folio_add_wait_queue+0x1c0/0x1c0
[ 63.885964][ T5039] ? generic_update_time+0xcf/0xf0
[ 63.891089][ T5039] ? __mnt_drop_write_file+0x45/0xf0
[ 63.896385][ T5039] __generic_file_write_iter+0x1f9/0x240
[ 63.902462][ T5039] generic_file_write_iter+0xe3/0x350
[ 63.907844][ T5039] vfs_write+0x650/0xe40
[ 63.912093][ T5039] ? kernel_write+0x6c0/0x6c0
[ 63.916774][ T5039] ? rcu_is_watching+0x12/0xb0
[ 63.921543][ T5039] ? reacquire_held_locks+0x4b0/0x4b0
[ 63.926922][ T5039] ? __fget_light+0x1fc/0x260
[ 63.931602][ T5039] ksys_write+0x12f/0x250
[ 63.935939][ T5039] ? __ia32_sys_read+0xb0/0xb0
[ 63.940706][ T5039] ? _raw_spin_unlock_irq+0x2e/0x50
[ 63.946082][ T5039] ? ptrace_notify+0xf4/0x130
[ 63.950765][ T5039] do_syscall_64+0x38/0xb0
[ 63.955191][ T5039] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 63.961091][ T5039] RIP: 0033:0x7fbde50df6b9
[ 63.965509][ T5039] 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
[ 63.985121][ T5039] RSP: 002b:00007ffda32e10e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 63.993715][ T5039] RAX: ffffffffffffffda RBX: 00007ffda32e12b8 RCX: 00007fbde50df6b9
[ 64.001694][ T5039] RDX: 000000000208e24b RSI: 00000000200001c0 RDI: 0000000000000006
[ 64.009669][ T5039] RBP: 00007fbde5158610 R08: 00007ffda32e12b8 R09: 00007ffda32e12b8
[ 64.017735][ T5039] R10: 00007ffda32e12b8 R11: 0000000000000246 R12: 0000000000000001
[ 64.025714][ T5039] R13: 00007ffda32e12a8 R14: 0000000000000001 R15: 0000000000000001
[ 64.033699][ T5039]
[ 64.036899][ T5039] ================================================================================
[ 64.046368][ T5039] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 64.053549][ T5039] CPU: 0 PID: 5039 Comm: syz-executor168 Not tainted 6.5.0-rc6-next-20230818-syzkaller #0
[ 64.063474][ T5039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[ 64.073523][ T5039] Call Trace:
[ 64.076815][ T5039]
[ 64.080166][ T5039] dump_stack_lvl+0xd9/0x1b0
[ 64.085625][ T5039] panic+0x6a6/0x750
[ 64.089512][ T5039] ? panic_smp_self_stop+0xa0/0xa0
[ 64.094612][ T5039] ? syslog_print_all+0x3f0/0x3f0
[ 64.099811][ T5039] check_panic_on_warn+0xab/0xb0
[ 64.104743][ T5039] __ubsan_handle_shift_out_of_bounds+0x2a2/0x600
[ 64.111158][ T5039] extAlloc.cold+0x8b/0xc5
[ 64.115576][ T5039] ? jfs_ioc_trim+0x5c0/0x5c0
[ 64.120287][ T5039] ? down_write_nested+0x153/0x200
[ 64.125565][ T5039] ? lock_acquire+0x464/0x510
[ 64.130236][ T5039] ? lockdep_init_map_type+0x16d/0x7c0
[ 64.135688][ T5039] ? lock_sync+0x190/0x190
[ 64.140109][ T5039] jfs_get_block+0x428/0xb20
[ 64.144695][ T5039] ? jfs_read_folio+0x20/0x20
[ 64.149405][ T5039] ? folio_flags.constprop.0+0x56/0x150
[ 64.155030][ T5039] ? do_raw_spin_unlock+0x173/0x230
[ 64.160276][ T5039] ? _raw_spin_unlock+0x28/0x40
[ 64.165210][ T5039] ? jfs_read_folio+0x20/0x20
[ 64.169896][ T5039] __block_write_begin_int+0x3c0/0x1470
[ 64.175441][ T5039] ? jfs_read_folio+0x20/0x20
[ 64.180120][ T5039] ? invalidate_bh_lrus_cpu+0x170/0x170
[ 64.185863][ T5039] ? folio_flags+0x71/0x1f0
[ 64.190382][ T5039] block_write_begin+0xb1/0x490
[ 64.195496][ T5039] ? jfs_read_folio+0x20/0x20
[ 64.200211][ T5039] jfs_write_begin+0x31/0xd0
[ 64.204813][ T5039] generic_perform_write+0x278/0x600
[ 64.210097][ T5039] ? folio_add_wait_queue+0x1c0/0x1c0
[ 64.215457][ T5039] ? generic_update_time+0xcf/0xf0
[ 64.220612][ T5039] ? __mnt_drop_write_file+0x45/0xf0
[ 64.225999][ T5039] __generic_file_write_iter+0x1f9/0x240
[ 64.231830][ T5039] generic_file_write_iter+0xe3/0x350
[ 64.237206][ T5039] vfs_write+0x650/0xe40
[ 64.241461][ T5039] ? kernel_write+0x6c0/0x6c0
[ 64.246163][ T5039] ? rcu_is_watching+0x12/0xb0
[ 64.251847][ T5039] ? reacquire_held_locks+0x4b0/0x4b0
[ 64.257244][ T5039] ? __fget_light+0x1fc/0x260
[ 64.261947][ T5039] ksys_write+0x12f/0x250
[ 64.266270][ T5039] ? __ia32_sys_read+0xb0/0xb0
[ 64.271049][ T5039] ? _raw_spin_unlock_irq+0x2e/0x50
[ 64.276508][ T5039] ? ptrace_notify+0xf4/0x130
[ 64.281421][ T5039] do_syscall_64+0x38/0xb0
[ 64.285853][ T5039] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 64.291914][ T5039] RIP: 0033:0x7fbde50df6b9
[ 64.296391][ T5039] 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
[ 64.316767][ T5039] RSP: 002b:00007ffda32e10e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 64.325163][ T5039] RAX: ffffffffffffffda RBX: 00007ffda32e12b8 RCX: 00007fbde50df6b9
[ 64.333206][ T5039] RDX: 000000000208e24b RSI: 00000000200001c0 RDI: 0000000000000006
[ 64.341426][ T5039] RBP: 00007fbde5158610 R08: 00007ffda32e12b8 R09: 00007ffda32e12b8
[ 64.349473][ T5039] R10: 00007ffda32e12b8 R11: 0000000000000246 R12: 0000000000000001
[ 64.357518][ T5039] R13: 00007ffda32e12a8 R14: 0000000000000001 R15: 0000000000000001
[ 64.365483][ T5039]
[ 64.368807][ T5039] Kernel Offset: disabled
[ 64.373210][ T5039] Rebooting in 86400 seconds..