./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4069392861 <...> Warning: Permanently added '10.128.1.72' (ED25519) to the list of known hosts. execve("./syz-executor4069392861", ["./syz-executor4069392861"], 0x7fff11dca920 /* 10 vars */) = 0 brk(NULL) = 0x555586d0d000 brk(0x555586d0dd00) = 0x555586d0dd00 arch_prctl(ARCH_SET_FS, 0x555586d0d380) = 0 set_tid_address(0x555586d0d650) = 5217 set_robust_list(0x555586d0d660, 24) = 0 rseq(0x555586d0dca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4069392861", 4096) = 28 getrandom("\xd9\x17\xf1\x99\x3d\x64\xa6\xf0", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555586d0dd00 brk(0x555586d2ed00) = 0x555586d2ed00 brk(0x555586d2f000) = 0x555586d2f000 mprotect(0x7fde4fd81000, 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 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 5218 attached , child_tidptr=0x555586d0d650) = 5218 [pid 5218] set_robust_list(0x555586d0d660, 24) = 0 [pid 5218] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5218] setpgid(0, 0) = 0 [pid 5218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5218] write(3, "1000", 4) = 4 [pid 5218] close(3) = 0 executing program [pid 5218] write(1, "executing program\n", 18) = 18 [pid 5218] memfd_create("syzkaller", 0) = 3 [pid 5218] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fde47800000 [pid 5218] 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 5218] munmap(0x7fde47800000, 138412032) = 0 [pid 5218] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5218] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5218] close(3) = 0 [pid 5218] close(4) = 0 [pid 5218] mkdir("./file1", 0777) = 0 [pid 5218] mount("/dev/loop0", "./file1", "hfsplus", MS_NOATIME|MS_SILENT|MS_STRICTATIME, "") = 0 [pid 5218] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5218] chdir("./file1") = 0 [pid 5218] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 77.480511][ T5218] loop0: detected capacity change from 0 to 1024 [ 77.544997][ T5218] hfsplus: request for non-existent node 128 in B*Tree [ 77.552666][ T5218] hfsplus: request for non-existent node 128 in B*Tree [ 77.562003][ T5218] ================================================================== [ 77.574474][ T5218] BUG: KASAN: wild-memory-access in hfsplus_bnode_dump+0x403/0xbb0 [ 77.583643][ T5218] Read of size 2 at addr 000508800000103e by task syz-executor406/5218 [ 77.591984][ T5218] [ 77.594355][ T5218] CPU: 0 UID: 0 PID: 5218 Comm: syz-executor406 Not tainted 6.11.0-rc3-syzkaller-00007-gd74da846046a #0 [ 77.605491][ T5218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 77.615569][ T5218] Call Trace: [ 77.618859][ T5218] [ 77.621797][ T5218] dump_stack_lvl+0x241/0x360 [ 77.626523][ T5218] ? __pfx_dump_stack_lvl+0x10/0x10 [ 77.632004][ T5218] ? __pfx__printk+0x10/0x10 [ 77.636620][ T5218] ? _printk+0xd5/0x120 [ 77.640798][ T5218] print_report+0xe8/0x550 [ 77.645238][ T5218] ? __virt_addr_valid+0x58/0x530 [ 77.650288][ T5218] ? hfsplus_bnode_dump+0x403/0xbb0 [ 77.655505][ T5218] kasan_report+0x143/0x180 [ 77.660027][ T5218] ? hfsplus_bnode_dump+0x403/0xbb0 [ 77.665248][ T5218] ? hfsplus_bnode_dump+0x403/0xbb0 [ 77.670466][ T5218] kasan_check_range+0x282/0x290 [ 77.675435][ T5218] ? hfsplus_bnode_dump+0x403/0xbb0 [ 77.680654][ T5218] __asan_memcpy+0x29/0x70 [ 77.685094][ T5218] hfsplus_bnode_dump+0x403/0xbb0 [ 77.690145][ T5218] ? __pfx_hfsplus_bnode_dump+0x10/0x10 [ 77.695714][ T5218] ? hfsplus_bnode_write_u16+0x9b/0xf0 [ 77.701367][ T5218] ? __pfx_hfsplus_bnode_write_u16+0x10/0x10 [ 77.707366][ T5218] ? rcu_is_watching+0x15/0xb0 [ 77.712442][ T5218] ? hfsplus_bnode_move+0x2da/0x910 [ 77.717781][ T5218] ? __mark_inode_dirty+0x41c/0xe20 [ 77.723012][ T5218] hfsplus_brec_remove+0x42c/0x4f0 [ 77.728158][ T5218] __hfsplus_delete_attr+0x275/0x450 [ 77.733644][ T5218] ? __pfx___hfsplus_delete_attr+0x10/0x10 [ 77.739588][ T5218] hfsplus_delete_all_attrs+0x26b/0x3d0 [ 77.745182][ T5218] ? __pfx_hfsplus_delete_all_attrs+0x10/0x10 [ 77.751297][ T5218] ? do_raw_spin_unlock+0x13c/0x8b0 [ 77.756886][ T5218] ? rcu_is_watching+0x15/0xb0 [ 77.762839][ T5218] ? __mark_inode_dirty+0x82d/0xe20 [ 77.768562][ T5218] hfsplus_delete_cat+0xb33/0xf80 [ 77.773632][ T5218] ? __pfx_hfsplus_delete_cat+0x10/0x10 [ 77.779301][ T5218] ? smk_access+0x4ab/0x4e0 [ 77.783828][ T5218] ? hfsplus_unlink+0x161/0x790 [ 77.788800][ T5218] hfsplus_unlink+0x363/0x790 [ 77.793931][ T5218] ? __pfx_smack_inode_unlink+0x10/0x10 [ 77.799533][ T5218] ? __pfx_hfsplus_unlink+0x10/0x10 [ 77.804751][ T5218] ? down_write+0x18c/0x220 [ 77.809270][ T5218] ? bpf_lsm_inode_unlink+0x9/0x10 [ 77.814488][ T5218] ? security_inode_unlink+0xd5/0x120 [ 77.820049][ T5218] vfs_unlink+0x365/0x650 [ 77.824596][ T5218] do_unlinkat+0x4ae/0x830 [ 77.829324][ T5218] ? __pfx_do_unlinkat+0x10/0x10 [ 77.834364][ T5218] ? __check_object_size+0x49c/0x900 [ 77.839678][ T5218] ? getname_flags+0x1e3/0x540 [ 77.844462][ T5218] __x64_sys_unlink+0x47/0x50 [ 77.849152][ T5218] do_syscall_64+0xf3/0x230 [ 77.853755][ T5218] ? clear_bhb_loop+0x35/0x90 [ 77.858450][ T5218] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 77.864370][ T5218] RIP: 0033:0x7fde4fd0da59 [ 77.868802][ T5218] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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 [ 77.888418][ T5218] RSP: 002b:00007ffe10030d08 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 77.897109][ T5218] RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007fde4fd0da59 [ 77.905365][ T5218] RDX: 00007fde4fd0ca51 RSI: 0000000000000000 RDI: 0000000020000000 [ 77.913343][ T5218] RBP: 00007fde4fd815f0 R08: 000000000000067a R09: 0000555586d0e4c0 [ 77.921434][ T5218] R10: 00007ffe10030bd0 R11: 0000000000000246 R12: 00007ffe10030d30 [ 77.929513][ T5218] R13: 00007ffe10030f58 R14: 431bde82d7b634db R15: 00007fde4fd5603b [ 77.937675][ T5218] [ 77.940696][ T5218] ================================================================== [ 77.948995][ T5218] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 77.956295][ T5218] CPU: 1 UID: 0 PID: 5218 Comm: syz-executor406 Not tainted 6.11.0-rc3-syzkaller-00007-gd74da846046a #0 [ 77.967403][ T5218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 77.977462][ T5218] Call Trace: [ 77.980835][ T5218] [ 77.983769][ T5218] dump_stack_lvl+0x241/0x360 [ 77.988465][ T5218] ? __pfx_dump_stack_lvl+0x10/0x10 [ 77.993692][ T5218] ? __pfx__printk+0x10/0x10 [ 77.998299][ T5218] ? preempt_schedule+0xe1/0xf0 [ 78.003182][ T5218] ? vscnprintf+0x5d/0x90 [ 78.007518][ T5218] panic+0x349/0x860 [ 78.011556][ T5218] ? check_panic_on_warn+0x21/0xb0 [ 78.016671][ T5218] ? __pfx_panic+0x10/0x10 [ 78.021103][ T5218] ? _raw_spin_unlock_irqrestore+0x130/0x140 [ 78.027178][ T5218] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 78.033518][ T5218] ? print_report+0xe8/0x550 [ 78.038120][ T5218] check_panic_on_warn+0x86/0xb0 [ 78.043084][ T5218] ? hfsplus_bnode_dump+0x403/0xbb0 [ 78.048304][ T5218] end_report+0x77/0x160 [ 78.052568][ T5218] kasan_report+0x154/0x180 [ 78.057089][ T5218] ? hfsplus_bnode_dump+0x403/0xbb0 [ 78.062305][ T5218] ? hfsplus_bnode_dump+0x403/0xbb0 [ 78.067522][ T5218] kasan_check_range+0x282/0x290 [ 78.072467][ T5218] ? hfsplus_bnode_dump+0x403/0xbb0 [ 78.077673][ T5218] __asan_memcpy+0x29/0x70 [ 78.082092][ T5218] hfsplus_bnode_dump+0x403/0xbb0 [ 78.087134][ T5218] ? __pfx_hfsplus_bnode_dump+0x10/0x10 [ 78.092688][ T5218] ? hfsplus_bnode_write_u16+0x9b/0xf0 [ 78.098160][ T5218] ? __pfx_hfsplus_bnode_write_u16+0x10/0x10 [ 78.104151][ T5218] ? rcu_is_watching+0x15/0xb0 [ 78.108943][ T5218] ? hfsplus_bnode_move+0x2da/0x910 [ 78.114259][ T5218] ? __mark_inode_dirty+0x41c/0xe20 [ 78.119654][ T5218] hfsplus_brec_remove+0x42c/0x4f0 [ 78.124901][ T5218] __hfsplus_delete_attr+0x275/0x450 [ 78.130209][ T5218] ? __pfx___hfsplus_delete_attr+0x10/0x10 [ 78.136464][ T5218] hfsplus_delete_all_attrs+0x26b/0x3d0 [ 78.142573][ T5218] ? __pfx_hfsplus_delete_all_attrs+0x10/0x10 [ 78.148659][ T5218] ? do_raw_spin_unlock+0x13c/0x8b0 [ 78.153872][ T5218] ? rcu_is_watching+0x15/0xb0 [ 78.158649][ T5218] ? __mark_inode_dirty+0x82d/0xe20 [ 78.163952][ T5218] hfsplus_delete_cat+0xb33/0xf80 [ 78.168987][ T5218] ? __pfx_hfsplus_delete_cat+0x10/0x10 [ 78.174566][ T5218] ? smk_access+0x4ab/0x4e0 [ 78.179073][ T5218] ? hfsplus_unlink+0x161/0x790 [ 78.183944][ T5218] hfsplus_unlink+0x363/0x790 [ 78.188629][ T5218] ? __pfx_smack_inode_unlink+0x10/0x10 [ 78.194183][ T5218] ? __pfx_hfsplus_unlink+0x10/0x10 [ 78.199395][ T5218] ? down_write+0x18c/0x220 [ 78.203906][ T5218] ? bpf_lsm_inode_unlink+0x9/0x10 [ 78.209026][ T5218] ? security_inode_unlink+0xd5/0x120 [ 78.214408][ T5218] vfs_unlink+0x365/0x650 [ 78.218758][ T5218] do_unlinkat+0x4ae/0x830 [ 78.223186][ T5218] ? __pfx_do_unlinkat+0x10/0x10 [ 78.228215][ T5218] ? __check_object_size+0x49c/0x900 [ 78.233516][ T5218] ? getname_flags+0x1e3/0x540 [ 78.238291][ T5218] __x64_sys_unlink+0x47/0x50 [ 78.242971][ T5218] do_syscall_64+0xf3/0x230 [ 78.247480][ T5218] ? clear_bhb_loop+0x35/0x90 [ 78.252163][ T5218] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 78.258062][ T5218] RIP: 0033:0x7fde4fd0da59 [ 78.262664][ T5218] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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 [ 78.282272][ T5218] RSP: 002b:00007ffe10030d08 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 [ 78.290689][ T5218] RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007fde4fd0da59 [ 78.298675][ T5218] RDX: 00007fde4fd0ca51 RSI: 0000000000000000 RDI: 0000000020000000 [ 78.306652][ T5218] RBP: 00007fde4fd815f0 R08: 000000000000067a R09: 0000555586d0e4c0 [ 78.314629][ T5218] R10: 00007ffe10030bd0 R11: 0000000000000246 R12: 00007ffe10030d30 [ 78.322605][ T5218] R13: 00007ffe10030f58 R14: 431bde82d7b634db R15: 00007fde4fd5603b [ 78.330591][ T5218] [ 78.333909][ T5218] Kernel Offset: disabled [ 78.338236][ T5218] Rebooting in 86400 seconds..