./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2267891856
<...>
Warning: Permanently added '10.128.1.18' (ED25519) to the list of known hosts.
execve("./syz-executor2267891856", ["./syz-executor2267891856"], 0x7fffb60c1fb0 /* 10 vars */) = 0
brk(NULL) = 0x555555acb000
brk(0x555555acbd00) = 0x555555acbd00
arch_prctl(ARCH_SET_FS, 0x555555acb380) = 0
set_tid_address(0x555555acb650) = 5015
set_robust_list(0x555555acb660, 24) = 0
rseq(0x555555acbca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2267891856", 4096) = 28
getrandom("\x66\x50\xeb\x07\x28\x5b\x5b\xc1", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555555acbd00
brk(0x555555aecd00) = 0x555555aecd00
brk(0x555555aed000) = 0x555555aed000
mprotect(0x7fdb69bdb000, 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) = 0x7fdb61725000
[ 56.524925][ T5015] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5015 'syz-executor226'
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(0x7fdb61725000, 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_NOATIME, "errors=continue,nointegrity,usrquota,integrity,iocharset=iso8859-6,iocharset=iso8859-7,iocharset=mac"...) = 0
openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
chdir("./file0") = 0
ioctl(4, LOOP_CLR_FD) = 0
close(4) = 0
openat(AT_FDCWD, "memory.events.local", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
openat(AT_FDCWD, "cgroup.controllers", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 5
[ 56.672348][ T5015] loop0: detected capacity change from 0 to 32768
[ 56.900792][ T5015] ================================================================================
[ 56.910273][ T5015] UBSAN: shift-out-of-bounds in fs/jfs/jfs_extent.c:314:16
[ 56.917512][ T5015] shift exponent -1 is negative
[ 56.922375][ T5015] CPU: 0 PID: 5015 Comm: syz-executor226 Not tainted 6.5.0-rc7-syzkaller-00190-g85eb043618bb #0
[ 56.932775][ T5015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[ 56.942835][ T5015] Call Trace:
[ 56.946117][ T5015]
[ 56.949038][ T5015] dump_stack_lvl+0x1e7/0x2d0
[ 56.953731][ T5015] ? nf_tcp_handle_invalid+0x650/0x650
[ 56.959220][ T5015] ? panic+0x770/0x770
[ 56.963291][ T5015] ? extAlloc+0x10a/0x1010
[ 56.967697][ T5015] __ubsan_handle_shift_out_of_bounds+0x3c3/0x420
[ 56.974115][ T5015] ? do_raw_spin_unlock+0x13b/0x8b0
[ 56.979321][ T5015] extAlloc+0xe53/0x1010
[ 56.983562][ T5015] ? jfs_ioc_trim+0x660/0x660
[ 56.988323][ T5015] ? clear_nonspinnable+0x60/0x60
[ 56.993356][ T5015] jfs_get_block+0x41b/0xe60
[ 56.997953][ T5015] ? jfs_dirty_inode+0x240/0x240
[ 57.002910][ T5015] ? _raw_spin_unlock+0x28/0x40
[ 57.007778][ T5015] ? folio_create_buffers+0x132/0x250
[ 57.013249][ T5015] __block_write_begin_int+0x555/0x1a60
[ 57.018832][ T5015] ? jfs_dirty_inode+0x240/0x240
[ 57.023773][ T5015] ? folio_zero_new_buffers+0x540/0x540
[ 57.029403][ T5015] ? pagecache_get_page+0xeb/0x220
[ 57.034532][ T5015] ? jfs_dirty_inode+0x240/0x240
[ 57.039465][ T5015] block_write_begin+0x9c/0x1f0
[ 57.044317][ T5015] ? jfs_write_begin+0x1a/0x70
[ 57.049086][ T5015] jfs_write_begin+0x31/0x70
[ 57.053673][ T5015] generic_perform_write+0x31b/0x630
[ 57.058973][ T5015] ? generic_file_direct_write+0x3f0/0x3f0
[ 57.064782][ T5015] ? generic_write_checks_count+0x490/0x490
[ 57.070670][ T5015] ? rcu_read_lock_any_held+0xb7/0x160
[ 57.076132][ T5015] ? __generic_file_write_iter+0x101/0x230
[ 57.081942][ T5015] generic_file_write_iter+0xaf/0x310
[ 57.087317][ T5015] vfs_write+0x782/0xaf0
[ 57.091574][ T5015] ? file_end_write+0x250/0x250
[ 57.096451][ T5015] ? lockdep_hardirqs_on+0x98/0x140
[ 57.101678][ T5015] ? __fdget_pos+0x2c7/0x340
[ 57.106288][ T5015] ksys_write+0x1a0/0x2c0
[ 57.110640][ T5015] ? __ia32_sys_read+0x90/0x90
[ 57.115412][ T5015] ? syscall_enter_from_user_mode+0x32/0x230
[ 57.121403][ T5015] ? syscall_enter_from_user_mode+0x8c/0x230
[ 57.127388][ T5015] do_syscall_64+0x41/0xc0
[ 57.131803][ T5015] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 57.137695][ T5015] RIP: 0033:0x7fdb69b627b9
[ 57.142110][ T5015] 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
[ 57.161714][ T5015] RSP: 002b:00007ffe2aa6b658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 57.170125][ T5015] RAX: ffffffffffffffda RBX: 00007ffe2aa6b828 RCX: 00007fdb69b627b9
[ 57.178093][ T5015] RDX: 000000000208e24b RSI: 0000000020000280 RDI: 0000000000000005
[ 57.186147][ T5015] RBP: 00007fdb69bdb610 R08: 00007ffe2aa6b828 R09: 00007ffe2aa6b828
[ 57.194115][ T5015] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 57.202082][ T5015] R13: 00007ffe2aa6b818 R14: 0000000000000001 R15: 0000000000000001
[ 57.210063][ T5015]
[ 57.213381][ T5015] ================================================================================
[ 57.222691][ T5015] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 57.229906][ T5015] CPU: 0 PID: 5015 Comm: syz-executor226 Not tainted 6.5.0-rc7-syzkaller-00190-g85eb043618bb #0
[ 57.240325][ T5015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[ 57.250392][ T5015] Call Trace:
[ 57.253671][ T5015]
[ 57.256601][ T5015] dump_stack_lvl+0x1e7/0x2d0
[ 57.261283][ T5015] ? nf_tcp_handle_invalid+0x650/0x650
[ 57.266770][ T5015] ? panic+0x770/0x770
[ 57.270867][ T5015] ? vscnprintf+0x5d/0x80
[ 57.275202][ T5015] panic+0x30f/0x770
[ 57.279107][ T5015] ? check_panic_on_warn+0x21/0xa0
[ 57.284220][ T5015] ? __memcpy_flushcache+0x2b0/0x2b0
[ 57.289511][ T5015] ? dump_stack_lvl+0x253/0x2d0
[ 57.294369][ T5015] check_panic_on_warn+0x82/0xa0
[ 57.299310][ T5015] __ubsan_handle_shift_out_of_bounds+0x3e2/0x420
[ 57.305730][ T5015] ? do_raw_spin_unlock+0x13b/0x8b0
[ 57.310932][ T5015] extAlloc+0xe53/0x1010
[ 57.315186][ T5015] ? jfs_ioc_trim+0x660/0x660
[ 57.320820][ T5015] ? clear_nonspinnable+0x60/0x60
[ 57.325861][ T5015] jfs_get_block+0x41b/0xe60
[ 57.330453][ T5015] ? jfs_dirty_inode+0x240/0x240
[ 57.335399][ T5015] ? _raw_spin_unlock+0x28/0x40
[ 57.340250][ T5015] ? folio_create_buffers+0x132/0x250
[ 57.345622][ T5015] __block_write_begin_int+0x555/0x1a60
[ 57.351183][ T5015] ? jfs_dirty_inode+0x240/0x240
[ 57.356140][ T5015] ? folio_zero_new_buffers+0x540/0x540
[ 57.361714][ T5015] ? pagecache_get_page+0xeb/0x220
[ 57.366838][ T5015] ? jfs_dirty_inode+0x240/0x240
[ 57.371863][ T5015] block_write_begin+0x9c/0x1f0
[ 57.376714][ T5015] ? jfs_write_begin+0x1a/0x70
[ 57.381477][ T5015] jfs_write_begin+0x31/0x70
[ 57.386064][ T5015] generic_perform_write+0x31b/0x630
[ 57.391388][ T5015] ? generic_file_direct_write+0x3f0/0x3f0
[ 57.397193][ T5015] ? generic_write_checks_count+0x490/0x490
[ 57.403170][ T5015] ? rcu_read_lock_any_held+0xb7/0x160
[ 57.408633][ T5015] ? __generic_file_write_iter+0x101/0x230
[ 57.414443][ T5015] generic_file_write_iter+0xaf/0x310
[ 57.419824][ T5015] vfs_write+0x782/0xaf0
[ 57.424175][ T5015] ? file_end_write+0x250/0x250
[ 57.429052][ T5015] ? lockdep_hardirqs_on+0x98/0x140
[ 57.434251][ T5015] ? __fdget_pos+0x2c7/0x340
[ 57.438858][ T5015] ksys_write+0x1a0/0x2c0
[ 57.443196][ T5015] ? __ia32_sys_read+0x90/0x90
[ 57.447960][ T5015] ? syscall_enter_from_user_mode+0x32/0x230
[ 57.453942][ T5015] ? syscall_enter_from_user_mode+0x8c/0x230
[ 57.459925][ T5015] do_syscall_64+0x41/0xc0
[ 57.464339][ T5015] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 57.470235][ T5015] RIP: 0033:0x7fdb69b627b9
[ 57.474651][ T5015] 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
[ 57.494683][ T5015] RSP: 002b:00007ffe2aa6b658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 57.503096][ T5015] RAX: ffffffffffffffda RBX: 00007ffe2aa6b828 RCX: 00007fdb69b627b9
[ 57.511065][ T5015] RDX: 000000000208e24b RSI: 0000000020000280 RDI: 0000000000000005
[ 57.519032][ T5015] RBP: 00007fdb69bdb610 R08: 00007ffe2aa6b828 R09: 00007ffe2aa6b828
[ 57.527000][ T5015] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 57.534966][ T5015] R13: 00007ffe2aa6b818 R14: 0000000000000001 R15: 0000000000000001
[ 57.542944][ T5015]
[ 57.546252][ T5015] Kernel Offset: disabled
[ 57.550653][ T5015] Rebooting in 86400 seconds..