./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2349229312
<...>
Warning: Permanently added '10.128.0.225' (ED25519) to the list of known hosts.
execve("./syz-executor2349229312", ["./syz-executor2349229312"], 0x7ffe5d6dd6e0 /* 10 vars */) = 0
brk(NULL) = 0x555588597000
brk(0x555588597d00) = 0x555588597d00
arch_prctl(ARCH_SET_FS, 0x555588597380) = 0
set_tid_address(0x555588597650) = 5831
set_robust_list(0x555588597660, 24) = 0
rseq(0x555588597ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2349229312", 4096) = 28
getrandom("\x46\xc4\xce\x1c\xa7\x4f\x8c\x88", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555588597d00
brk(0x5555885b8d00) = 0x5555885b8d00
brk(0x5555885b9000) = 0x5555885b9000
mprotect(0x7f81f735b000, 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
executing program
write(1, "executing program\n", 18) = 18
memfd_create("syzkaller", 0) = 3
mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f81eee00000
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"..., 524288) = 524288
munmap(0x7f81eee00000, 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", "hfsplus", 0, "nls=iso8859-4,nobarrier,gid=0x000000000000ee01,uid=0x0000000000000000") = 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)
creat("./file1", 0104) = 4
symlink("./file0/file0/..", "./bus") = 0
rename("./bus", "./file1") = -1 ENOENT (No such file or directory)
[ 61.763433][ T5831] loop0: detected capacity change from 0 to 1024
[ 61.818871][ T5831] ------------[ cut here ]------------
[ 61.824491][ T5831] WARNING: CPU: 1 PID: 5831 at fs/inode.c:407 drop_nlink+0xc4/0x110
[ 61.832523][ T5831] Modules linked in:
[ 61.836729][ T5831] CPU: 1 UID: 0 PID: 5831 Comm: syz-executor234 Not tainted 6.12.0-syzkaller-01782-gbf9aa14fc523 #0
[ 61.847703][ T5831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
[ 61.857866][ T5831] RIP: 0010:drop_nlink+0xc4/0x110
[ 61.862923][ T5831] Code: bb 70 07 00 00 be 08 00 00 00 e8 07 df e5 ff f0 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 6d f4 7e ff 90 <0f> 0b 90 eb 83 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 5c ff ff ff
[ 61.882660][ T5831] RSP: 0018:ffffc9000369fbb0 EFLAGS: 00010293
[ 61.889078][ T5831] RAX: ffffffff8215f523 RBX: 1ffff11004ad054f RCX: ffff88802a931e00
[ 61.897174][ T5831] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 61.905187][ T5831] RBP: 0000000000000000 R08: ffffffff8215f4a3 R09: 1ffff920006d3ed8
[ 61.913173][ T5831] R10: dffffc0000000000 R11: fffff520006d3ed9 R12: ffff888025682a78
[ 61.921211][ T5831] R13: ffff888079eef370 R14: ffff888025682a30 R15: dffffc0000000000
[ 61.929238][ T5831] FS: 0000555588597380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
[ 61.938276][ T5831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 61.944913][ T5831] CR2: 000000000066c7e0 CR3: 0000000078e92000 CR4: 00000000003526f0
[ 61.952884][ T5831] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 61.960943][ T5831] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 61.969023][ T5831] Call Trace:
[ 61.972298][ T5831]
[ 61.975288][ T5831] ? __warn+0x168/0x4e0
[ 61.979466][ T5831] ? drop_nlink+0xc4/0x110
[ 61.983951][ T5831] ? report_bug+0x2b3/0x500
[ 61.988495][ T5831] ? drop_nlink+0xc4/0x110
[ 61.992908][ T5831] ? handle_bug+0x60/0x90
[ 61.997428][ T5831] ? exc_invalid_op+0x1a/0x50
[ 62.002124][ T5831] ? asm_exc_invalid_op+0x1a/0x20
[ 62.007200][ T5831] ? drop_nlink+0x43/0x110
[ 62.011648][ T5831] ? drop_nlink+0xc3/0x110
[ 62.016200][ T5831] ? drop_nlink+0xc4/0x110
[ 62.020657][ T5831] hfsplus_unlink+0x3fe/0x790
[ 62.026034][ T5831] ? __pfx_smack_inode_unlink+0x10/0x10
[ 62.031635][ T5831] ? __pfx_hfsplus_unlink+0x10/0x10
[ 62.036918][ T5831] ? down_write+0x18c/0x220
[ 62.041431][ T5831] ? bpf_lsm_inode_unlink+0x9/0x10
[ 62.046592][ T5831] ? security_inode_unlink+0xd9/0x340
[ 62.052003][ T5831] vfs_unlink+0x365/0x650
[ 62.056428][ T5831] do_unlinkat+0x4ae/0x830
[ 62.060870][ T5831] ? __pfx_do_unlinkat+0x10/0x10
[ 62.065917][ T5831] ? __might_fault+0xaa/0x120
[ 62.070702][ T5831] ? __might_fault+0xc6/0x120
[ 62.075466][ T5831] ? strncpy_from_user+0x13a/0x260
[ 62.080597][ T5831] ? getname_flags+0x1e3/0x540
[ 62.085417][ T5831] __x64_sys_unlink+0x47/0x50
[ 62.090114][ T5831] do_syscall_64+0xf3/0x230
[ 62.094693][ T5831] ? clear_bhb_loop+0x35/0x90
[ 62.099388][ T5831] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 62.105383][ T5831] RIP: 0033:0x7f81f72e79b9
[ 62.109822][ T5831] 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
[ 62.129557][ T5831] RSP: 002b:00007fffbff4f578 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
[ 62.138058][ T5831] RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007f81f72e79b9
[ 62.146152][ T5831] RDX: ffffffffffffffb8 RSI: 00007f81f72e79b9 RDI: 00000000200000c0
[ 62.154189][ T5831] RBP: 00007f81f735b610 R08: 0000000000000000 R09: 0000000000000000
[ 62.162196][ T5831] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 62.170280][ T5831] R13: 00007fffbff4f748 R14: 0000000000000001 R15: 0000000000000001
[ 62.178325][ T5831]
[ 62.181339][ T5831] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 62.188604][ T5831] CPU: 1 UID: 0 PID: 5831 Comm: syz-executor234 Not tainted 6.12.0-syzkaller-01782-gbf9aa14fc523 #0
[ 62.199346][ T5831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
[ 62.209384][ T5831] Call Trace:
[ 62.212650][ T5831]
[ 62.215571][ T5831] dump_stack_lvl+0x241/0x360
[ 62.220236][ T5831] ? __pfx_dump_stack_lvl+0x10/0x10
[ 62.225420][ T5831] ? __pfx__printk+0x10/0x10
[ 62.229994][ T5831] ? _printk+0xd5/0x120
[ 62.234138][ T5831] ? __init_begin+0x41000/0x41000
[ 62.239151][ T5831] ? vscnprintf+0x5d/0x90
[ 62.243474][ T5831] panic+0x349/0x880
[ 62.247368][ T5831] ? __warn+0x177/0x4e0
[ 62.251528][ T5831] ? __pfx_panic+0x10/0x10
[ 62.255945][ T5831] ? show_trace_log_lvl+0x3b2/0x410
[ 62.261153][ T5831] __warn+0x34b/0x4e0
[ 62.265125][ T5831] ? drop_nlink+0xc4/0x110
[ 62.269527][ T5831] report_bug+0x2b3/0x500
[ 62.273845][ T5831] ? drop_nlink+0xc4/0x110
[ 62.278247][ T5831] handle_bug+0x60/0x90
[ 62.282404][ T5831] exc_invalid_op+0x1a/0x50
[ 62.286908][ T5831] asm_exc_invalid_op+0x1a/0x20
[ 62.291847][ T5831] RIP: 0010:drop_nlink+0xc4/0x110
[ 62.296869][ T5831] Code: bb 70 07 00 00 be 08 00 00 00 e8 07 df e5 ff f0 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 6d f4 7e ff 90 <0f> 0b 90 eb 83 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 5c ff ff ff
[ 62.316476][ T5831] RSP: 0018:ffffc9000369fbb0 EFLAGS: 00010293
[ 62.322547][ T5831] RAX: ffffffff8215f523 RBX: 1ffff11004ad054f RCX: ffff88802a931e00
[ 62.330518][ T5831] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 62.338487][ T5831] RBP: 0000000000000000 R08: ffffffff8215f4a3 R09: 1ffff920006d3ed8
[ 62.346477][ T5831] R10: dffffc0000000000 R11: fffff520006d3ed9 R12: ffff888025682a78
[ 62.354452][ T5831] R13: ffff888079eef370 R14: ffff888025682a30 R15: dffffc0000000000
[ 62.362428][ T5831] ? drop_nlink+0x43/0x110
[ 62.366847][ T5831] ? drop_nlink+0xc3/0x110
[ 62.371269][ T5831] hfsplus_unlink+0x3fe/0x790
[ 62.375945][ T5831] ? __pfx_smack_inode_unlink+0x10/0x10
[ 62.381497][ T5831] ? __pfx_hfsplus_unlink+0x10/0x10
[ 62.386695][ T5831] ? down_write+0x18c/0x220
[ 62.391201][ T5831] ? bpf_lsm_inode_unlink+0x9/0x10
[ 62.396308][ T5831] ? security_inode_unlink+0xd9/0x340
[ 62.401680][ T5831] vfs_unlink+0x365/0x650
[ 62.406015][ T5831] do_unlinkat+0x4ae/0x830
[ 62.410438][ T5831] ? __pfx_do_unlinkat+0x10/0x10
[ 62.415370][ T5831] ? __might_fault+0xaa/0x120
[ 62.420050][ T5831] ? __might_fault+0xc6/0x120
[ 62.424729][ T5831] ? strncpy_from_user+0x13a/0x260
[ 62.429840][ T5831] ? getname_flags+0x1e3/0x540
[ 62.434606][ T5831] __x64_sys_unlink+0x47/0x50
[ 62.439281][ T5831] do_syscall_64+0xf3/0x230
[ 62.443796][ T5831] ? clear_bhb_loop+0x35/0x90
[ 62.448907][ T5831] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 62.454794][ T5831] RIP: 0033:0x7f81f72e79b9
[ 62.459209][ T5831] 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
[ 62.478837][ T5831] RSP: 002b:00007fffbff4f578 EFLAGS: 00000246 ORIG_RAX: 0000000000000057
[ 62.487252][ T5831] RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007f81f72e79b9
[ 62.495219][ T5831] RDX: ffffffffffffffb8 RSI: 00007f81f72e79b9 RDI: 00000000200000c0
[ 62.503186][ T5831] RBP: 00007f81f735b610 R08: 0000000000000000 R09: 0000000000000000
[ 62.511156][ T5831] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 62.519131][ T5831] R13: 00007fffbff4f748 R14: 0000000000000001 R15: 0000000000000001
[ 62.527126][ T5831]
[ 62.530272][ T5831] Kernel Offset: disabled
[ 62.534650][ T5831] Rebooting in 86400 seconds..