./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4055974384
<...>
forked to background, child pid 4639
no interfaces have a carrier
[ 28.359008][ T4640] 8021q: adding VLAN 0 to HW filter on device bond0
[ 28.369054][ T4640] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.124' (ECDSA) to the list of known hosts.
execve("./syz-executor4055974384", ["./syz-executor4055974384"], 0x7ffe29524260 /* 10 vars */) = 0
brk(NULL) = 0x5555574fe000
brk(0x5555574fec40) = 0x5555574fec40
arch_prctl(ARCH_SET_FS, 0x5555574fe300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor4055974384", 4096) = 28
brk(0x55555751fc40) = 0x55555751fc40
brk(0x555557520000) = 0x555557520000
mprotect(0x7f92f01e2000, 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) = 0x7f92e7d29000
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"..., 131072) = 131072
munmap(0x7f92e7d29000, 131072) = 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", "minix", MS_SYNCHRONOUS|MS_NOATIME|MS_I_VERSION, "minix") = 0
openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
chdir("./file0") = 0
ioctl(4, LOOP_CLR_FD) = 0
close(4) = 0
mkdir("./bus", 000) = 0
syzkaller login: [ 52.222377][ T5067] loop0: detected capacity change from 0 to 256
[ 52.248241][ T5067] ================================================================================
[ 52.257770][ T5067] UBSAN: shift-out-of-bounds in fs/minix/inode.c:380:57
[ 52.264804][ T5067] shift exponent 1792 is too large for 64-bit type 'long unsigned int'
[ 52.273171][ T5067] CPU: 1 PID: 5067 Comm: syz-executor405 Not tainted 6.2.0-rc1-syzkaller-00095-ge4cf7c25bae5 #0
[ 52.283615][ T5067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 52.293670][ T5067] Call Trace:
[ 52.296933][ T5067]
[ 52.299863][ T5067] dump_stack_lvl+0xd1/0x138
[ 52.304472][ T5067] ubsan_epilogue+0xa/0x31
[ 52.308879][ T5067] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x187
[ 52.315632][ T5067] ? mark_held_locks+0x9f/0xe0
[ 52.320388][ T5067] minix_statfs.cold+0x17/0x1c
[ 52.325145][ T5067] statfs_by_dentry+0x133/0x210
[ 52.329984][ T5067] vfs_statfs+0x3a/0x90
[ 52.334147][ T5067] ovl_check_namelen+0x80/0x110
[ 52.338980][ T5067] ? ovl_statfs+0x1e0/0x1e0
[ 52.343479][ T5067] ? ovl_mount_dir+0x181/0x1f0
[ 52.348227][ T5067] ? __kmalloc+0x77/0xd0
[ 52.352494][ T5067] ovl_fill_super+0x13b0/0x6330
[ 52.357341][ T5067] ? find_held_lock+0x2d/0x110
[ 52.362094][ T5067] ? ovl_show_options+0x780/0x780
[ 52.367105][ T5067] ? sget+0x476/0x580
[ 52.371077][ T5067] ? lock_downgrade+0x6e0/0x6e0
[ 52.375912][ T5067] ? down_write_killable+0x250/0x250
[ 52.381180][ T5067] ? do_raw_spin_lock+0x124/0x2b0
[ 52.386195][ T5067] ? sget+0x123/0x580
[ 52.390162][ T5067] ? set_anon_super_fc+0xb0/0xb0
[ 52.395102][ T5067] ? ovl_show_options+0x780/0x780
[ 52.400110][ T5067] mount_nodev+0x64/0x120
[ 52.404431][ T5067] ? ovl_own_xattr_set+0x10/0x10
[ 52.409349][ T5067] legacy_get_tree+0x109/0x220
[ 52.414102][ T5067] ? ns_capable+0xdd/0x100
[ 52.418504][ T5067] vfs_get_tree+0x8d/0x2f0
[ 52.422907][ T5067] path_mount+0x132a/0x1e20
[ 52.427415][ T5067] ? kmem_cache_free+0xee/0x5c0
[ 52.432247][ T5067] ? finish_automount+0x960/0x960
[ 52.437260][ T5067] ? putname+0x102/0x140
[ 52.441490][ T5067] __x64_sys_mount+0x283/0x300
[ 52.446243][ T5067] ? copy_mnt_ns+0xb30/0xb30
[ 52.450820][ T5067] ? lockdep_hardirqs_on+0x7d/0x100
[ 52.456000][ T5067] ? _raw_spin_unlock_irq+0x2e/0x50
[ 52.461180][ T5067] ? ptrace_notify+0xfe/0x140
[ 52.465844][ T5067] do_syscall_64+0x39/0xb0
[ 52.470252][ T5067] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 52.476130][ T5067] RIP: 0033:0x7f92f01757e9
[ 52.480526][ T5067] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48
[ 52.500122][ T5067] RSP: 002b:00007ffc33b1ec18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 52.508518][ T5067] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f92f01757e9
[ 52.516475][ T5067] RDX: 0000000020000080 RSI: 0000000020000040 RDI: 0000000000000000
[ 52.524701][ T5067] RBP: 00007f92f0135080 R08: 0000000020000340 R09: 0000000000000000
[ 52.532672][ T5067] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f92f0135110
[ 52.540655][ T5067] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 52.548668][ T5067]
[ 52.552499][ T5067] ================================================================================
[ 52.561932][ T5067] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 52.569141][ T5067] CPU: 1 PID: 5067 Comm: syz-executor405 Not tainted 6.2.0-rc1-syzkaller-00095-ge4cf7c25bae5 #0
[ 52.579568][ T5067] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[ 52.589638][ T5067] Call Trace:
[ 52.592918][ T5067]
[ 52.595850][ T5067] dump_stack_lvl+0xd1/0x138
[ 52.600462][ T5067] panic+0x2cc/0x626
[ 52.604378][ T5067] ? panic_print_sys_info.part.0+0x110/0x110
[ 52.610379][ T5067] ? record_print_text.cold+0x16/0x16
[ 52.615870][ T5067] check_panic_on_warn.cold+0x19/0x35
[ 52.621265][ T5067] __ubsan_handle_shift_out_of_bounds.cold+0xb1/0x187
[ 52.628057][ T5067] ? mark_held_locks+0x9f/0xe0
[ 52.632839][ T5067] minix_statfs.cold+0x17/0x1c
[ 52.637624][ T5067] statfs_by_dentry+0x133/0x210
[ 52.642487][ T5067] vfs_statfs+0x3a/0x90
[ 52.646667][ T5067] ovl_check_namelen+0x80/0x110
[ 52.651528][ T5067] ? ovl_statfs+0x1e0/0x1e0
[ 52.656064][ T5067] ? ovl_mount_dir+0x181/0x1f0
[ 52.660842][ T5067] ? __kmalloc+0x77/0xd0
[ 52.665110][ T5067] ovl_fill_super+0x13b0/0x6330
[ 52.669989][ T5067] ? find_held_lock+0x2d/0x110
[ 52.674779][ T5067] ? ovl_show_options+0x780/0x780
[ 52.679807][ T5067] ? sget+0x476/0x580
[ 52.683789][ T5067] ? lock_downgrade+0x6e0/0x6e0
[ 52.688645][ T5067] ? down_write_killable+0x250/0x250
[ 52.693924][ T5067] ? do_raw_spin_lock+0x124/0x2b0
[ 52.698951][ T5067] ? sget+0x123/0x580
[ 52.702931][ T5067] ? set_anon_super_fc+0xb0/0xb0
[ 52.707867][ T5067] ? ovl_show_options+0x780/0x780
[ 52.712891][ T5067] mount_nodev+0x64/0x120
[ 52.717222][ T5067] ? ovl_own_xattr_set+0x10/0x10
[ 52.722151][ T5067] legacy_get_tree+0x109/0x220
[ 52.726923][ T5067] ? ns_capable+0xdd/0x100
[ 52.731351][ T5067] vfs_get_tree+0x8d/0x2f0
[ 52.735783][ T5067] path_mount+0x132a/0x1e20
[ 52.740292][ T5067] ? kmem_cache_free+0xee/0x5c0
[ 52.745146][ T5067] ? finish_automount+0x960/0x960
[ 52.750188][ T5067] ? putname+0x102/0x140
[ 52.754445][ T5067] __x64_sys_mount+0x283/0x300
[ 52.759215][ T5067] ? copy_mnt_ns+0xb30/0xb30
[ 52.763804][ T5067] ? lockdep_hardirqs_on+0x7d/0x100
[ 52.768997][ T5067] ? _raw_spin_unlock_irq+0x2e/0x50
[ 52.774195][ T5067] ? ptrace_notify+0xfe/0x140
[ 52.778897][ T5067] do_syscall_64+0x39/0xb0
[ 52.783327][ T5067] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 52.789214][ T5067] RIP: 0033:0x7f92f01757e9
[ 52.793622][ T5067] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48
[ 52.813220][ T5067] RSP: 002b:00007ffc33b1ec18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[ 52.821621][ T5067] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f92f01757e9
[ 52.829579][ T5067] RDX: 0000000020000080 RSI: 0000000020000040 RDI: 0000000000000000
[ 52.837537][ T5067] RBP: 00007f92f0135080 R08: 0000000020000340 R09: 0000000000000000
[ 52.845496][ T5067] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f92f0135110
[ 52.853465][ T5067] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 52.861436][ T5067]
[ 52.864511][ T5067] Kernel Offset: disabled
[ 52.868884][ T5067] Rebooting in 86400 seconds..