ci2-upstream-fs/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-upstream-fs/syz-executor3954773429 <...> Warning: Permanently added '10.128.0.222' (ED25519) to the list of known hosts. execve("ci2-upstream-fs/syz-executor3954773429", ["ci2-upstream-fs/syz-executor3954773429"], 0x7ffd5ddd11b0 /* 10 vars */) = 0 brk(NULL) = 0x55557b751000 brk(0x55557b751e40) = 0x55557b751e40 arch_prctl(ARCH_SET_FS, 0x55557b7514c0) = 0 set_tid_address(0x55557b751790) = 5602 set_robust_list(0x55557b7517a0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci2-upstream-fs/syz-executor3954773429", 4096) = 44 getrandom("\xd8\x5d\xbc\x24\xaf\x5a\xa8\x0c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557b751e40 brk(0x55557b772e40) = 0x55557b772e40 brk(0x55557b773000) = 0x55557b773000 mprotect(0x7f048c0cf000, 20480, 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 rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7f048c024a40, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f048c029690}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7f048c024a40, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f048c029690}, NULL, 8) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5603 attached , child_tidptr=0x55557b751790) = 5603 [pid 5602] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5603] set_robust_list(0x55557b7517a0, 24) = 0 [pid 5603] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5603] setpgid(0, 0) = 0 [pid 5603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5603] write(3, "1000", 4) = 4 [pid 5603] close(3) = 0 [pid 5603] write(1, "executing program\n", 18) = 18 executing program [pid 5603] memfd_create("syzkaller", 0) = 3 [pid 5603] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0483c15000 [pid 5603] 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 5603] munmap(0x7f0483c15000, 138412032) = 0 [pid 5603] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5603] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5603] close(3) = 0 [pid 5603] close(4) = 0 [pid 5603] mkdir("./file1", 0777) = 0 [ 81.928667][ T5603] loop0: detected capacity change from 0 to 1024 [pid 5603] mount("/dev/loop0", "./file1", "hfsplus", MS_NOATIME, "nls=cp1250,part=0x0000000000000030,nobarrier,uid=0x0000000000000000,") = 0 [pid 5603] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5603] chdir("./file1") = 0 [pid 5603] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5603] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5603] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = 0 [pid 5603] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5603] chdir(".") = 0 [ 81.982253][ T5603] hfsplus: (loop0): Catalog File (cnid 0x4) map record invalid or bitmap corruption detected, forcing read-only. [ 81.982270][ T5603] hfsplus: Run fsck.hfsplus to repair. [pid 5603] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5603] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [ 82.055428][ T5603] hfsplus: new node 0 already hashed? [ 82.055585][ T5603] ------------[ cut here ]------------ [ 82.055590][ T5603] 1 [ 82.055597][ T5603] WARNING: fs/hfsplus/bnode.c:642 at hfsplus_bnode_create+0x45d/0x4f0, CPU#0: syz-executor395/5603 [ 82.079679][ T5603] Modules linked in: [ 82.083640][ T5603] CPU: 0 UID: 0 PID: 5603 Comm: syz-executor395 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 82.094100][ T5603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 82.104186][ T5603] RIP: 0010:hfsplus_bnode_create+0x45d/0x4f0 [ 82.110202][ T5603] Code: 89 8b 89 ee e8 14 7b 79 fe e9 cf fc ff ff e8 9a ae 18 ff 4c 89 f7 e8 32 91 ab 08 48 c7 c7 c0 10 89 8b 89 ee e8 f4 7a 79 fe 90 <0f> 0b 90 49 c7 c5 ef ff ff ff eb a9 44 89 f9 80 e1 07 80 c1 03 38 [ 82.129866][ T5603] RSP: 0018:ffffc90004a075c0 EFLAGS: 00010246 [ 82.135927][ T5603] RAX: 0000000000000023 RBX: dffffc0000000000 RCX: 67e1f9cc6c2eb800 [ 82.143919][ T5603] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 82.151916][ T5603] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 82.159918][ T5603] R10: dffffc0000000000 R11: fffff52000940e69 R12: 0000000000000000 [ 82.167926][ T5603] R13: ffff88803877e000 R14: ffff88803877e0d0 R15: ffff8880281af600 [ 82.175895][ T5603] FS: 000055557b7514c0(0000) GS:ffff888125bcb000(0000) knlGS:0000000000000000 [ 82.184872][ T5603] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.191483][ T5603] CR2: 0000000000000000 CR3: 000000004571c000 CR4: 00000000003526f0 [ 82.199659][ T5603] Call Trace: [ 82.202944][ T5603] [ 82.205884][ T5603] hfs_bnode_split+0xd2/0x1070 [ 82.210686][ T5603] ? hfsplus_bnode_read+0x34a/0x800 [ 82.215902][ T5603] ? hfsplus_bnode_read+0x238/0x800 [ 82.221152][ T5603] ? hfsplus_bnode_read+0x34a/0x800 [ 82.226347][ T5603] ? hfsplus_bnode_read_u16+0x8d/0xe0 [ 82.231744][ T5603] ? __pfx_hfs_bnode_split+0x10/0x10 [ 82.237060][ T5603] hfsplus_brec_insert+0x3bb/0xde0 [ 82.242265][ T5603] ? __pfx_hfsplus_brec_insert+0x10/0x10 [ 82.247969][ T5603] hfsplus_create_cat+0x437/0x1240 [ 82.253091][ T5603] ? __pfx_hfsplus_create_cat+0x10/0x10 [ 82.258686][ T5603] ? rt_spin_unlock+0x159/0x200 [ 82.263545][ T5603] ? rt_spin_unlock+0x165/0x200 [ 82.268412][ T5603] hfsplus_mknod+0x184/0x3c0 [ 82.272992][ T5603] vfs_mknod+0x443/0x610 [ 82.277244][ T5603] filename_mknodat+0x3cf/0x670 [ 82.282213][ T5603] ? __pfx_filename_mknodat+0x10/0x10 [ 82.287744][ T5603] ? do_getname+0x151/0x250 [ 82.292506][ T5603] __se_sys_mknod+0x3a/0x150 [ 82.297204][ T5603] do_syscall_64+0x166/0x520 [ 82.301818][ T5603] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 82.307899][ T5603] ? clear_bhb_loop+0x70/0xc0 [ 82.312578][ T5603] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 82.318492][ T5603] RIP: 0033:0x7f048c0433e9 [ 82.322951][ T5603] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 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 d8 ff ff ff f7 d8 64 89 01 48 [ 82.342575][ T5603] RSP: 002b:00007ffc01126368 EFLAGS: 00000246 ORIG_RAX: 0000000000000085 [ 82.351012][ T5603] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f048c0433e9 [ 82.359007][ T5603] RDX: 0000000000000701 RSI: 0000000000001000 RDI: 0000200000000400 [ 82.367016][ T5603] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc011263a0 [ 82.375233][ T5603] R10: 00007ffc01126370 R11: 0000000000000246 R12: 00007ffc011263a0 [ 82.383313][ T5603] R13: 0000000000000002 R14: 431bde82d7b634db R15: 00007f048c0a204b [ 82.391315][ T5603] [ 82.394323][ T5603] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 82.401583][ T5603] CPU: 0 UID: 0 PID: 5603 Comm: syz-executor395 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 82.411804][ T5603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 82.421849][ T5603] Call Trace: [ 82.425128][ T5603] [ 82.428058][ T5603] vpanic+0x56d/0xa60 [ 82.432044][ T5603] ? __pfx__printk+0x10/0x10 [ 82.436618][ T5603] ? __pfx_vpanic+0x10/0x10 [ 82.441112][ T5603] ? is_bpf_text_address+0x292/0x2b0 [ 82.446389][ T5603] ? is_bpf_text_address+0x26/0x2b0 [ 82.451598][ T5603] panic+0xc5/0xd0 [ 82.455307][ T5603] ? __pfx_panic+0x10/0x10 [ 82.459728][ T5603] __warn+0x315/0x4c0 [ 82.463726][ T5603] ? hfsplus_bnode_create+0x45d/0x4f0 [ 82.469174][ T5603] ? hfsplus_bnode_create+0x45d/0x4f0 [ 82.474542][ T5603] __report_bug+0x276/0x570 [ 82.479056][ T5603] ? hfsplus_bnode_create+0x45d/0x4f0 [ 82.484433][ T5603] ? __pfx___report_bug+0x10/0x10 [ 82.489540][ T5603] ? __wake_up_klogd+0xf0/0x130 [ 82.494383][ T5603] ? vprintk_emit+0x4ee/0x560 [ 82.499052][ T5603] ? __pfx_vprintk_emit+0x10/0x10 [ 82.504084][ T5603] ? hfsplus_bnode_create+0x45d/0x4f0 [ 82.509535][ T5603] report_bug+0x16b/0x220 [ 82.513862][ T5603] ? hfsplus_bnode_create+0x45d/0x4f0 [ 82.519240][ T5603] ? hfsplus_bnode_create+0x45f/0x4f0 [ 82.524626][ T5603] handle_bug+0x9c/0x200 [ 82.528861][ T5603] exc_invalid_op+0x1a/0x50 [ 82.533618][ T5603] asm_exc_invalid_op+0x1a/0x20 [ 82.538467][ T5603] RIP: 0010:hfsplus_bnode_create+0x45d/0x4f0 [ 82.544443][ T5603] Code: 89 8b 89 ee e8 14 7b 79 fe e9 cf fc ff ff e8 9a ae 18 ff 4c 89 f7 e8 32 91 ab 08 48 c7 c7 c0 10 89 8b 89 ee e8 f4 7a 79 fe 90 <0f> 0b 90 49 c7 c5 ef ff ff ff eb a9 44 89 f9 80 e1 07 80 c1 03 38 [ 82.564036][ T5603] RSP: 0018:ffffc90004a075c0 EFLAGS: 00010246 [ 82.570114][ T5603] RAX: 0000000000000023 RBX: dffffc0000000000 RCX: 67e1f9cc6c2eb800 [ 82.578162][ T5603] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 82.586118][ T5603] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 82.594081][ T5603] R10: dffffc0000000000 R11: fffff52000940e69 R12: 0000000000000000 [ 82.602039][ T5603] R13: ffff88803877e000 R14: ffff88803877e0d0 R15: ffff8880281af600 [ 82.610018][ T5603] hfs_bnode_split+0xd2/0x1070 [ 82.614779][ T5603] ? hfsplus_bnode_read+0x34a/0x800 [ 82.619974][ T5603] ? hfsplus_bnode_read+0x238/0x800 [ 82.625268][ T5603] ? hfsplus_bnode_read+0x34a/0x800 [ 82.630565][ T5603] ? hfsplus_bnode_read_u16+0x8d/0xe0 [ 82.635952][ T5603] ? __pfx_hfs_bnode_split+0x10/0x10 [ 82.641246][ T5603] hfsplus_brec_insert+0x3bb/0xde0 [ 82.646385][ T5603] ? __pfx_hfsplus_brec_insert+0x10/0x10 [ 82.652056][ T5603] hfsplus_create_cat+0x437/0x1240 [ 82.657197][ T5603] ? __pfx_hfsplus_create_cat+0x10/0x10 [ 82.662801][ T5603] ? rt_spin_unlock+0x159/0x200 [ 82.667666][ T5603] ? rt_spin_unlock+0x165/0x200 [ 82.672508][ T5603] hfsplus_mknod+0x184/0x3c0 [ 82.677089][ T5603] vfs_mknod+0x443/0x610 [ 82.681328][ T5603] filename_mknodat+0x3cf/0x670 [ 82.686176][ T5603] ? __pfx_filename_mknodat+0x10/0x10 [ 82.691552][ T5603] ? do_getname+0x151/0x250 [ 82.696059][ T5603] __se_sys_mknod+0x3a/0x150 [ 82.700659][ T5603] do_syscall_64+0x166/0x520 [ 82.705241][ T5603] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 82.711294][ T5603] ? clear_bhb_loop+0x70/0xc0 [ 82.715975][ T5603] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 82.721878][ T5603] RIP: 0033:0x7f048c0433e9 [ 82.726291][ T5603] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 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 d8 ff ff ff f7 d8 64 89 01 48 [ 82.745965][ T5603] RSP: 002b:00007ffc01126368 EFLAGS: 00000246 ORIG_RAX: 0000000000000085 [ 82.754404][ T5603] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f048c0433e9 [ 82.762366][ T5603] RDX: 0000000000000701 RSI: 0000000000001000 RDI: 0000200000000400 [ 82.770415][ T5603] RBP: 0000000000000000 R08: 0000000000000000 R09: 00007ffc011263a0 [ 82.778377][ T5603] R10: 00007ffc01126370 R11: 0000000000000246 R12: 00007ffc011263a0 [ 82.786430][ T5603] R13: 0000000000000002 R14: 431bde82d7b634db R15: 00007f048c0a204b [ 82.794411][ T5603] [ 82.797693][ T5603] Kernel Offset: disabled [ 82.802035][ T5603] Rebooting in 86400 seconds..