./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2194913773 <...> Warning: Permanently added '10.128.0.72' (ED25519) to the list of known hosts. execve("./syz-executor2194913773", ["./syz-executor2194913773"], 0x7ffda7a939f0 /* 10 vars */) = 0 brk(NULL) = 0x555593a41000 brk(0x555593a41d00) = 0x555593a41d00 arch_prctl(ARCH_SET_FS, 0x555593a41380) = 0 set_tid_address(0x555593a41650) = 5831 set_robust_list(0x555593a41660, 24) = 0 rseq(0x555593a41ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2194913773", 4096) = 28 getrandom("\x20\xfb\x60\xf0\x96\xff\x83\x42", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555593a41d00 brk(0x555593a62d00) = 0x555593a62d00 brk(0x555593a63000) = 0x555593a63000 mprotect(0x7f0e88ea5000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5833 attached [pid 5833] set_robust_list(0x555593a41660, 24) = 0 [pid 5833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555593a41650) = 5833 [pid 5833] setpgid(0, 0) = 0 [pid 5833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "1000", 4) = 4 [pid 5833] close(3) = 0 [pid 5833] write(1, "executing program\n", 18executing program ) = 18 [pid 5833] memfd_create("syzkaller", 0) = 3 [pid 5833] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0e80800000 [pid 5833] 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 [pid 5833] munmap(0x7f0e80800000, 138412032) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5833] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5833] close(3) = 0 [pid 5833] close(4) = 0 [pid 5833] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 syzkaller login: [ 91.268274][ T5833] loop0: detected capacity change from 0 to 1024 [ 91.306674][ T5833] hfsplus: new node 0 already hashed? [ 91.312775][ T5833] ------------[ cut here ]------------ [ 91.318349][ T5833] WARNING: CPU: 1 PID: 5833 at fs/hfsplus/bnode.c:579 hfsplus_bnode_create+0x3b9/0x450 [ 91.328076][ T5833] Modules linked in: [ 91.332037][ T5833] CPU: 1 UID: 0 PID: 5833 Comm: syz-executor219 Not tainted 6.15.0-rc2-syzkaller-00404-g8560697b23dc #0 PREEMPT(full) [ 91.344551][ T5833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 91.354658][ T5833] RIP: 0010:hfsplus_bnode_create+0x3b9/0x450 [ 91.360737][ T5833] Code: 44 89 e6 e8 59 9c 7e fe e9 78 fd ff ff e8 af 4f 1a ff 4c 89 ff e8 77 04 82 09 48 c7 c7 60 5c 61 8c 44 89 e6 e8 38 9c 7e fe 90 <0f> 0b 90 eb af 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 80 fc ff ff 48 [ 91.380462][ T5833] RSP: 0018:ffffc90003feef98 EFLAGS: 00010246 [ 91.386599][ T5833] RAX: 0000000000000023 RBX: ffff888020ac4d00 RCX: ff47c6417f299f00 [ 91.394755][ T5833] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 91.402803][ T5833] RBP: 0000000000000000 R08: ffffffff81a21cac R09: 1ffff920007fdd90 [ 91.410850][ T5833] R10: dffffc0000000000 R11: fffff520007fdd91 R12: 0000000000000000 [ 91.418889][ T5833] R13: dffffc0000000000 R14: ffff888027c38000 R15: ffff888027c380e0 [ 91.426870][ T5833] FS: 0000555593a41380(0000) GS:ffff8881250cf000(0000) knlGS:0000000000000000 [ 91.435852][ T5833] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.442523][ T5833] CR2: 00005629152af620 CR3: 0000000076eda000 CR4: 00000000003526f0 [ 91.450573][ T5833] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 91.458621][ T5833] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 91.466605][ T5833] Call Trace: [ 91.469932][ T5833] [ 91.472889][ T5833] hfsplus_bmap_alloc+0x5e0/0x680 [ 91.478002][ T5833] ? __pfx_hfsplus_bmap_alloc+0x10/0x10 [ 91.483578][ T5833] ? __asan_memcpy+0x40/0x70 [ 91.488224][ T5833] hfs_bnode_split+0xe5/0x1170 [ 91.493027][ T5833] ? hfsplus_bnode_read+0xec/0x1f0 [ 91.498232][ T5833] ? __asan_memcpy+0x40/0x70 [ 91.502847][ T5833] ? hfsplus_bnode_read+0x1a1/0x1f0 [ 91.508156][ T5833] ? hfsplus_bnode_read_u16+0x9b/0x120 [ 91.513733][ T5833] ? __pfx_hfs_bnode_split+0x10/0x10 [ 91.519113][ T5833] ? __pfx_hfs_find_rec_by_key+0x10/0x10 [ 91.524804][ T5833] hfsplus_brec_insert+0x3a9/0xde0 [ 91.530091][ T5833] ? __pfx_hfsplus_brec_insert+0x10/0x10 [ 91.535787][ T5833] hfsplus_create_cat+0x4e4/0x1bd0 [ 91.541012][ T5833] ? __pfx_hfsplus_create_cat+0x10/0x10 [ 91.546632][ T5833] ? do_raw_spin_unlock+0x13c/0x8b0 [ 91.551890][ T5833] ? _raw_spin_unlock+0x28/0x50 [ 91.556788][ T5833] ? hfsplus_new_inode+0x635/0x830 [ 91.561981][ T5833] hfsplus_fill_super+0x1452/0x1d50 [ 91.567263][ T5833] ? __pfx_hfsplus_fill_super+0x10/0x10 [ 91.572892][ T5833] ? snprintf+0xdd/0x130 [ 91.577142][ T5833] ? do_raw_spin_lock+0x151/0x370 [ 91.582357][ T5833] ? sb_set_blocksize+0x109/0x180 [ 91.587814][ T5833] ? setup_bdev_super+0x4e6/0x5d0 [ 91.592883][ T5833] get_tree_bdev_flags+0x490/0x5c0 [ 91.598072][ T5833] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 91.603744][ T5833] ? __pfx_hfsplus_fill_super+0x10/0x10 [ 91.609369][ T5833] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 91.615041][ T5833] ? cap_capable+0x139/0x450 [ 91.619716][ T5833] ? safesetid_security_capable+0xb2/0x1d0 [ 91.625557][ T5833] vfs_get_tree+0x90/0x2b0 [ 91.630038][ T5833] do_new_mount+0x2cf/0xb70 [ 91.634574][ T5833] ? __pfx_do_new_mount+0x10/0x10 [ 91.639696][ T5833] __se_sys_mount+0x38c/0x400 [ 91.644414][ T5833] ? __pfx___se_sys_mount+0x10/0x10 [ 91.649700][ T5833] ? __x64_sys_mount+0x20/0xc0 [ 91.654518][ T5833] do_syscall_64+0xf3/0x210 [ 91.659103][ T5833] ? clear_bhb_loop+0x45/0xa0 [ 91.663807][ T5833] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 91.669764][ T5833] RIP: 0033:0x7f0e88e320ea [ 91.674213][ T5833] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 91.693928][ T5833] RSP: 002b:00007ffcf68a9728 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 91.702487][ T5833] RAX: ffffffffffffffda RBX: 00007ffcf68a9740 RCX: 00007f0e88e320ea [ 91.710528][ T5833] RDX: 0000200000000100 RSI: 00002000000002c0 RDI: 00007ffcf68a9740 [ 91.718546][ T5833] RBP: 00002000000002c0 R08: 00007ffcf68a9780 R09: 00000000000006d8 [ 91.726521][ T5833] R10: 0000000002000410 R11: 0000000000000286 R12: 0000200000000100 [ 91.734571][ T5833] R13: 00007ffcf68a9780 R14: 0000000000000003 R15: 0000000002000410 [ 91.742599][ T5833] [ 91.745653][ T5833] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 91.753030][ T5833] CPU: 1 UID: 0 PID: 5833 Comm: syz-executor219 Not tainted 6.15.0-rc2-syzkaller-00404-g8560697b23dc #0 PREEMPT(full) [ 91.765462][ T5833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 91.775543][ T5833] Call Trace: [ 91.778840][ T5833] [ 91.781786][ T5833] dump_stack_lvl+0x241/0x360 [ 91.786483][ T5833] ? __pfx_dump_stack_lvl+0x10/0x10 [ 91.791784][ T5833] ? __pfx__printk+0x10/0x10 [ 91.796393][ T5833] ? vscnprintf+0x5d/0x90 [ 91.800742][ T5833] panic+0x349/0x880 [ 91.804824][ T5833] ? __warn+0x174/0x4d0 [ 91.808992][ T5833] ? __pfx_panic+0x10/0x10 [ 91.813441][ T5833] __warn+0x344/0x4d0 [ 91.817453][ T5833] ? hfsplus_bnode_create+0x3b9/0x450 [ 91.822849][ T5833] report_bug+0x2b3/0x500 [ 91.827217][ T5833] ? hfsplus_bnode_create+0x3b9/0x450 [ 91.832619][ T5833] ? hfsplus_bnode_create+0x3b9/0x450 [ 91.838010][ T5833] ? hfsplus_bnode_create+0x3bb/0x450 [ 91.843415][ T5833] handle_bug+0x89/0x170 [ 91.847777][ T5833] exc_invalid_op+0x1a/0x50 [ 91.852314][ T5833] asm_exc_invalid_op+0x1a/0x20 [ 91.857178][ T5833] RIP: 0010:hfsplus_bnode_create+0x3b9/0x450 [ 91.863179][ T5833] Code: 44 89 e6 e8 59 9c 7e fe e9 78 fd ff ff e8 af 4f 1a ff 4c 89 ff e8 77 04 82 09 48 c7 c7 60 5c 61 8c 44 89 e6 e8 38 9c 7e fe 90 <0f> 0b 90 eb af 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 80 fc ff ff 48 [ 91.882793][ T5833] RSP: 0018:ffffc90003feef98 EFLAGS: 00010246 [ 91.888874][ T5833] RAX: 0000000000000023 RBX: ffff888020ac4d00 RCX: ff47c6417f299f00 [ 91.896858][ T5833] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 91.904919][ T5833] RBP: 0000000000000000 R08: ffffffff81a21cac R09: 1ffff920007fdd90 [ 91.912897][ T5833] R10: dffffc0000000000 R11: fffff520007fdd91 R12: 0000000000000000 [ 91.920873][ T5833] R13: dffffc0000000000 R14: ffff888027c38000 R15: ffff888027c380e0 [ 91.928905][ T5833] ? __wake_up_klogd+0xcc/0x110 [ 91.933769][ T5833] ? hfsplus_bnode_create+0x3b8/0x450 [ 91.939164][ T5833] hfsplus_bmap_alloc+0x5e0/0x680 [ 91.944210][ T5833] ? __pfx_hfsplus_bmap_alloc+0x10/0x10 [ 91.949766][ T5833] ? __asan_memcpy+0x40/0x70 [ 91.954373][ T5833] hfs_bnode_split+0xe5/0x1170 [ 91.959166][ T5833] ? hfsplus_bnode_read+0xec/0x1f0 [ 91.964294][ T5833] ? __asan_memcpy+0x40/0x70 [ 91.968889][ T5833] ? hfsplus_bnode_read+0x1a1/0x1f0 [ 91.974101][ T5833] ? hfsplus_bnode_read_u16+0x9b/0x120 [ 91.979658][ T5833] ? __pfx_hfs_bnode_split+0x10/0x10 [ 91.984959][ T5833] ? __pfx_hfs_find_rec_by_key+0x10/0x10 [ 91.990617][ T5833] hfsplus_brec_insert+0x3a9/0xde0 [ 91.995768][ T5833] ? __pfx_hfsplus_brec_insert+0x10/0x10 [ 92.001429][ T5833] hfsplus_create_cat+0x4e4/0x1bd0 [ 92.006567][ T5833] ? __pfx_hfsplus_create_cat+0x10/0x10 [ 92.012176][ T5833] ? do_raw_spin_unlock+0x13c/0x8b0 [ 92.017410][ T5833] ? _raw_spin_unlock+0x28/0x50 [ 92.022296][ T5833] ? hfsplus_new_inode+0x635/0x830 [ 92.027429][ T5833] hfsplus_fill_super+0x1452/0x1d50 [ 92.032689][ T5833] ? __pfx_hfsplus_fill_super+0x10/0x10 [ 92.038293][ T5833] ? snprintf+0xdd/0x130 [ 92.042707][ T5833] ? do_raw_spin_lock+0x151/0x370 [ 92.047850][ T5833] ? sb_set_blocksize+0x109/0x180 [ 92.052893][ T5833] ? setup_bdev_super+0x4e6/0x5d0 [ 92.058104][ T5833] get_tree_bdev_flags+0x490/0x5c0 [ 92.063228][ T5833] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 92.068878][ T5833] ? __pfx_hfsplus_fill_super+0x10/0x10 [ 92.074437][ T5833] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 92.080080][ T5833] ? cap_capable+0x139/0x450 [ 92.084685][ T5833] ? safesetid_security_capable+0xb2/0x1d0 [ 92.090511][ T5833] vfs_get_tree+0x90/0x2b0 [ 92.094939][ T5833] do_new_mount+0x2cf/0xb70 [ 92.099456][ T5833] ? __pfx_do_new_mount+0x10/0x10 [ 92.104508][ T5833] __se_sys_mount+0x38c/0x400 [ 92.109205][ T5833] ? __pfx___se_sys_mount+0x10/0x10 [ 92.114421][ T5833] ? __x64_sys_mount+0x20/0xc0 [ 92.119199][ T5833] do_syscall_64+0xf3/0x210 [ 92.123710][ T5833] ? clear_bhb_loop+0x45/0xa0 [ 92.128405][ T5833] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 92.134318][ T5833] RIP: 0033:0x7f0e88e320ea [ 92.138775][ T5833] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 92.158477][ T5833] RSP: 002b:00007ffcf68a9728 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 92.166902][ T5833] RAX: ffffffffffffffda RBX: 00007ffcf68a9740 RCX: 00007f0e88e320ea [ 92.174879][ T5833] RDX: 0000200000000100 RSI: 00002000000002c0 RDI: 00007ffcf68a9740 [ 92.182856][ T5833] RBP: 00002000000002c0 R08: 00007ffcf68a9780 R09: 00000000000006d8 [ 92.190833][ T5833] R10: 0000000002000410 R11: 0000000000000286 R12: 0000200000000100 [ 92.198808][ T5833] R13: 00007ffcf68a9780 R14: 0000000000000003 R15: 0000000002000410 [ 92.206800][ T5833] [ 92.210004][ T5833] Kernel Offset: disabled [ 92.214337][ T5833] Rebooting in 86400 seconds..