./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2375273147
<...>
Warning: Permanently added '10.128.10.54' (ED25519) to the list of known hosts.
execve("./syz-executor2375273147", ["./syz-executor2375273147"], 0x7ffc83ab5d70 /* 10 vars */) = 0
brk(NULL) = 0x55556f85c000
brk(0x55556f85cd00) = 0x55556f85cd00
arch_prctl(ARCH_SET_FS, 0x55556f85c380) = 0
set_tid_address(0x55556f85c650) = 5832
set_robust_list(0x55556f85c660, 24) = 0
rseq(0x55556f85cca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2375273147", 4096) = 28
getrandom("\xd0\x87\xc5\xc4\x3f\xa3\x02\x35", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55556f85cd00
brk(0x55556f87dd00) = 0x55556f87dd00
brk(0x55556f87e000) = 0x55556f87e000
mprotect(0x7f69856c8000, 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
write(1, "executing program\n", 18executing program
) = 18
memfd_create("syzkaller", 0) = 3
mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f697d200000
write(3, "\xb5\x84\x31\x7b\xb6\x84\x31\x7b\xb7\x84\x31\x7b\xb8\x84\x31\x7b\xb9\x84\x31\x7b\xba\x84\x31\x7b\xbb\x84\x31\x7b\xbc\x84\x31\x7b\xbd\x84\x31\x7b\xbe\x84\x31\x7b\xbf\x84\x31\x7b\xc0\x84\x31\x7b\xc1\x84\x31\x7b\xc2\x84\x31\x7b\xc3\x84\x31\x7b\xc4\x84\x31\x7b\xc5\x84\x31\x7b\xc6\x84\x31\x7b\xc7\x84\x31\x7b\xc8\x84\x31\x7b\xc9\x84\x31\x7b\xca\x84\x31\x7b\xcb\x84\x31\x7b\xcc\x84\x31\x7b\xcd\x84\x31\x7b"..., 65536) = 65536
munmap(0x7f697d200000, 138412032) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
ioctl(4, LOOP_SET_FD, 3) = 0
close(3) = 0
close(4) = 0
mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777) = 0
mount("/dev/loop0", "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", "sysv", 0, "") = 0
openat(AT_FDCWD, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", O_RDONLY|O_DIRECTORY) = 3
chdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f") = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[ 59.560046][ T5832] loop0: detected capacity change from 0 to 128
[ 59.597494][ T5832] VFS: Found a Xenix FS (block size = 1024) on device loop0
[ 59.638408][ T5832] syz-executor237: attempt to access beyond end of device
[ 59.638408][ T5832] loop0: rw=0, sector=6491536, nr_sectors = 2 limit=128
[ 59.652696][ T5832] Buffer I/O error on dev loop0, logical block 3245768, async page read
[ 59.661657][ T5832] ------------[ cut here ]------------
[ 59.667124][ T5832] WARNING: CPU: 1 PID: 5832 at fs/inode.c:464 inc_nlink+0x127/0x150
[ 59.675190][ T5832] Modules linked in:
[ 59.679114][ T5832] CPU: 1 UID: 0 PID: 5832 Comm: syz-executor237 Not tainted 6.12.0-syzkaller-07834-g06afb0f36106 #0
[ 59.690027][ T5832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 59.700174][ T5832] RIP: 0010:inc_nlink+0x127/0x150
[ 59.705243][ T5832] Code: ff e9 35 ff ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 47 ff ff ff 4c 89 ef e8 54 d1 e5 ff e9 3a ff ff ff e8 aa 3c 7e ff 90 <0f> 0b 90 e9 7b ff ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 49
[ 59.725029][ T5832] RSP: 0018:ffffc90003d4fd30 EFLAGS: 00010293
[ 59.731161][ T5832] RAX: ffffffff82171036 RBX: 1ffff1100e60c810 RCX: ffff888030539e00
[ 59.739174][ T5832] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 59.747342][ T5832] RBP: 0000000000000000 R08: ffffffff82170fb0 R09: 0000000000000000
[ 59.755389][ T5832] R10: ffffc90003d4fca8 R11: ffffffff82ba42a0 R12: dffffc0000000000
[ 59.763410][ T5832] R13: ffff888073064080 R14: ffff888073064038 R15: 0000000000000000
[ 59.771509][ T5832] FS: 000055556f85c380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
[ 59.780488][ T5832] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 59.787089][ T5832] CR2: 000000000066c7e0 CR3: 00000000796a6000 CR4: 00000000003526f0
[ 59.795136][ T5832] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 59.803271][ T5832] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 59.811326][ T5832] Call Trace:
[ 59.814618][ T5832]
[ 59.817548][ T5832] ? __warn+0x168/0x4e0
[ 59.821836][ T5832] ? inc_nlink+0x127/0x150
[ 59.826292][ T5832] ? report_bug+0x2b3/0x500
[ 59.830868][ T5832] ? inc_nlink+0x127/0x150
[ 59.835308][ T5832] ? handle_bug+0x60/0x90
[ 59.839713][ T5832] ? exc_invalid_op+0x1a/0x50
[ 59.844426][ T5832] ? asm_exc_invalid_op+0x1a/0x20
[ 59.849516][ T5832] ? __pfx_sysv_mkdir+0x10/0x10
[ 59.854407][ T5832] ? inc_nlink+0xa0/0x150
[ 59.858762][ T5832] ? inc_nlink+0x126/0x150
[ 59.863289][ T5832] ? inc_nlink+0x127/0x150
[ 59.867737][ T5832] sysv_mkdir+0x21/0x130
[ 59.872072][ T5832] vfs_mkdir+0x2f9/0x4f0
[ 59.876339][ T5832] do_mkdirat+0x264/0x3a0
[ 59.880720][ T5832] ? __might_fault+0xaa/0x120
[ 59.885426][ T5832] ? __pfx_do_mkdirat+0x10/0x10
[ 59.890359][ T5832] ? strncpy_from_user+0x13a/0x260
[ 59.895495][ T5832] ? getname_flags+0x1e3/0x540
[ 59.900329][ T5832] __x64_sys_mkdir+0x6c/0x80
[ 59.904936][ T5832] do_syscall_64+0xf3/0x230
[ 59.909501][ T5832] ? clear_bhb_loop+0x35/0x90
[ 59.914205][ T5832] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 59.920161][ T5832] RIP: 0033:0x7f698564b639
[ 59.924595][ T5832] 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
[ 59.944317][ T5832] RSP: 002b:00007fff2db66818 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[ 59.952882][ T5832] RAX: ffffffffffffffda RBX: 00007fff2db669f8 RCX: 00007f698564b639
[ 59.961004][ T5832] RDX: 00007f698564a6d1 RSI: 0000000000000000 RDI: 0000000020000000
[ 59.969105][ T5832] RBP: 00007f69856c8610 R08: 0000000000009e89 R09: 0000000000000000
[ 59.977151][ T5832] R10: 00007fff2db666e0 R11: 0000000000000246 R12: 0000000000000001
[ 59.985203][ T5832] R13: 00007fff2db669e8 R14: 0000000000000001 R15: 0000000000000001
[ 59.993254][ T5832]
[ 59.996294][ T5832] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 60.003586][ T5832] CPU: 1 UID: 0 PID: 5832 Comm: syz-executor237 Not tainted 6.12.0-syzkaller-07834-g06afb0f36106 #0
[ 60.014347][ T5832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 60.024403][ T5832] Call Trace:
[ 60.027682][ T5832]
[ 60.030610][ T5832] dump_stack_lvl+0x241/0x360
[ 60.035293][ T5832] ? __pfx_dump_stack_lvl+0x10/0x10
[ 60.040488][ T5832] ? __pfx__printk+0x10/0x10
[ 60.045073][ T5832] ? _printk+0xd5/0x120
[ 60.049255][ T5832] ? __init_begin+0x41000/0x41000
[ 60.054288][ T5832] ? vscnprintf+0x5d/0x90
[ 60.058706][ T5832] panic+0x349/0x880
[ 60.062599][ T5832] ? __warn+0x177/0x4e0
[ 60.066751][ T5832] ? __pfx_panic+0x10/0x10
[ 60.071160][ T5832] ? show_trace_log_lvl+0x3b2/0x410
[ 60.076387][ T5832] __warn+0x34b/0x4e0
[ 60.080393][ T5832] ? inc_nlink+0x127/0x150
[ 60.084827][ T5832] report_bug+0x2b3/0x500
[ 60.089164][ T5832] ? inc_nlink+0x127/0x150
[ 60.093589][ T5832] handle_bug+0x60/0x90
[ 60.097748][ T5832] exc_invalid_op+0x1a/0x50
[ 60.102252][ T5832] asm_exc_invalid_op+0x1a/0x20
[ 60.107105][ T5832] RIP: 0010:inc_nlink+0x127/0x150
[ 60.112127][ T5832] Code: ff e9 35 ff ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c 47 ff ff ff 4c 89 ef e8 54 d1 e5 ff e9 3a ff ff ff e8 aa 3c 7e ff 90 <0f> 0b 90 e9 7b ff ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 49
[ 60.131728][ T5832] RSP: 0018:ffffc90003d4fd30 EFLAGS: 00010293
[ 60.137791][ T5832] RAX: ffffffff82171036 RBX: 1ffff1100e60c810 RCX: ffff888030539e00
[ 60.145763][ T5832] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 60.153727][ T5832] RBP: 0000000000000000 R08: ffffffff82170fb0 R09: 0000000000000000
[ 60.161706][ T5832] R10: ffffc90003d4fca8 R11: ffffffff82ba42a0 R12: dffffc0000000000
[ 60.169686][ T5832] R13: ffff888073064080 R14: ffff888073064038 R15: 0000000000000000
[ 60.177667][ T5832] ? __pfx_sysv_mkdir+0x10/0x10
[ 60.182526][ T5832] ? inc_nlink+0xa0/0x150
[ 60.186856][ T5832] ? inc_nlink+0x126/0x150
[ 60.191279][ T5832] sysv_mkdir+0x21/0x130
[ 60.195520][ T5832] vfs_mkdir+0x2f9/0x4f0
[ 60.199762][ T5832] do_mkdirat+0x264/0x3a0
[ 60.204084][ T5832] ? __might_fault+0xaa/0x120
[ 60.208754][ T5832] ? __pfx_do_mkdirat+0x10/0x10
[ 60.213595][ T5832] ? strncpy_from_user+0x13a/0x260
[ 60.218703][ T5832] ? getname_flags+0x1e3/0x540
[ 60.223467][ T5832] __x64_sys_mkdir+0x6c/0x80
[ 60.228104][ T5832] do_syscall_64+0xf3/0x230
[ 60.232623][ T5832] ? clear_bhb_loop+0x35/0x90
[ 60.237321][ T5832] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 60.243230][ T5832] RIP: 0033:0x7f698564b639
[ 60.247655][ T5832] 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
[ 60.267275][ T5832] RSP: 002b:00007fff2db66818 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[ 60.275695][ T5832] RAX: ffffffffffffffda RBX: 00007fff2db669f8 RCX: 00007f698564b639
[ 60.283668][ T5832] RDX: 00007f698564a6d1 RSI: 0000000000000000 RDI: 0000000020000000
[ 60.291634][ T5832] RBP: 00007f69856c8610 R08: 0000000000009e89 R09: 0000000000000000
[ 60.299601][ T5832] R10: 00007fff2db666e0 R11: 0000000000000246 R12: 0000000000000001
[ 60.307566][ T5832] R13: 00007fff2db669e8 R14: 0000000000000001 R15: 0000000000000001
[ 60.315542][ T5832]
[ 60.318695][ T5832] Kernel Offset: disabled
[ 60.323056][ T5832] Rebooting in 86400 seconds..