./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2890767963
<...>
Warning: Permanently added '10.128.0.52' (ED25519) to the list of known hosts.
execve("./syz-executor2890767963", ["./syz-executor2890767963"], 0x7ffefe5a0440 /* 10 vars */) = 0
brk(NULL) = 0x555573c74000
brk(0x555573c74d00) = 0x555573c74d00
arch_prctl(ARCH_SET_FS, 0x555573c74380) = 0
set_tid_address(0x555573c74650) = 5053
set_robust_list(0x555573c74660, 24) = 0
rseq(0x555573c74ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2890767963", 4096) = 28
getrandom("\x07\x8b\xfb\x95\x4b\x94\x64\x01", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555573c74d00
brk(0x555573c95d00) = 0x555573c95d00
brk(0x555573c96000) = 0x555573c96000
mprotect(0x7fc170995000, 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, child_tidptr=0x555573c74650) = 5054
./strace-static-x86_64: Process 5054 attached
[pid 5054] set_robust_list(0x555573c74660, 24) = 0
[pid 5054] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5054] setpgid(0, 0) = 0
[pid 5054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5054] write(3, "1000", 4) = 4
executing program
[pid 5054] close(3) = 0
[pid 5054] write(1, "executing program\n", 18) = 18
[pid 5054] memfd_create("syzkaller", 0) = 3
[pid 5054] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc168400000
[pid 5054] 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 5054] munmap(0x7fc168400000, 138412032) = 0
[pid 5054] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5054] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5054] close(3) = 0
[pid 5054] close(4) = 0
[pid 5054] mkdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", 0777) = 0
[pid 5054] mount("/dev/loop0", "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", "hfsplus", MS_NOSUID|MS_SYNCHRONOUS|MS_NODIRATIME|MS_REC, "") = 0
[pid 5054] openat(AT_FDCWD, "\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b", O_RDONLY|O_DIRECTORY) = 3
[pid 5054] chdir("\xe9\x1f\x71\x89\x59\x1e\x92\x33\x61\x4b") = 0
[pid 5054] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[ 191.536351][ T5054] loop0: detected capacity change from 0 to 1024
[ 191.600598][ T5054] =====================================================
[ 191.608255][ T5054] BUG: KMSAN: uninit-value in hfs_find_1st_rec_by_cnid+0x27a/0x3f0
[ 191.616547][ T5054] hfs_find_1st_rec_by_cnid+0x27a/0x3f0
[ 191.622328][ T5054] __hfsplus_brec_find+0x26f/0x7b0
[ 191.627869][ T5054] hfsplus_brec_find+0x445/0x970
[ 191.633035][ T5054] hfsplus_find_attr+0x30c/0x390
[ 191.638331][ T5054] hfsplus_listxattr+0x586/0x1a50
[ 191.643823][ T5054] listxattr+0x1f3/0x6b0
[ 191.648387][ T5054] __x64_sys_listxattr+0x168/0x2e0
[ 191.653903][ T5054] x64_sys_call+0xded/0x3c10
[ 191.658735][ T5054] do_syscall_64+0xcd/0x1e0
[ 191.663601][ T5054] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 191.669746][ T5054]
[ 191.672134][ T5054] Uninit was created at:
[ 191.676751][ T5054] __kmalloc_noprof+0x661/0xf30
[ 191.681819][ T5054] hfsplus_find_init+0x95/0x1d0
[ 191.687059][ T5054] hfsplus_listxattr+0x44a/0x1a50
[ 191.692402][ T5054] listxattr+0x1f3/0x6b0
[ 191.697159][ T5054] __x64_sys_listxattr+0x168/0x2e0
[ 191.702612][ T5054] x64_sys_call+0xded/0x3c10
[ 191.707636][ T5054] do_syscall_64+0xcd/0x1e0
[ 191.712344][ T5054] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 191.718643][ T5054]
[ 191.721129][ T5054] CPU: 0 UID: 0 PID: 5054 Comm: syz-executor289 Not tainted 6.10.0-syzkaller-12246-g786c8248dbd3 #0
[ 191.732234][ T5054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
[ 191.742651][ T5054] =====================================================
[ 191.750058][ T5054] Disabling lock debugging due to kernel taint
[ 191.756598][ T5054] Kernel panic - not syncing: kmsan.panic set ...
[ 191.763862][ T5054] CPU: 0 UID: 0 PID: 5054 Comm: syz-executor289 Tainted: G B 6.10.0-syzkaller-12246-g786c8248dbd3 #0
[ 191.776407][ T5054] Tainted: [B]=BAD_PAGE
[ 191.780792][ T5054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
[ 191.790984][ T5054] Call Trace:
[ 191.794373][ T5054] <TASK>
[ 191.797407][ T5054] dump_stack_lvl+0x216/0x2d0
[ 191.802246][ T5054] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[ 191.808281][ T5054] dump_stack+0x1e/0x30
[ 191.812661][ T5054] panic+0x4e2/0xcd0
[ 191.816877][ T5054] ? kmsan_get_metadata+0xf1/0x1c0
[ 191.822182][ T5054] kmsan_report+0x2c7/0x2d0
[ 191.826858][ T5054] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[ 191.833017][ T5054] ? __msan_warning+0x95/0x120
[ 191.837977][ T5054] ? hfs_find_1st_rec_by_cnid+0x27a/0x3f0
[ 191.843946][ T5054] ? __hfsplus_brec_find+0x26f/0x7b0
[ 191.849575][ T5054] ? hfsplus_brec_find+0x445/0x970
[ 191.854878][ T5054] ? hfsplus_find_attr+0x30c/0x390
[ 191.860214][ T5054] ? hfsplus_listxattr+0x586/0x1a50
[ 191.865771][ T5054] ? listxattr+0x1f3/0x6b0
[ 191.870427][ T5054] ? __x64_sys_listxattr+0x168/0x2e0
[ 191.875865][ T5054] ? x64_sys_call+0xded/0x3c10
[ 191.880889][ T5054] ? do_syscall_64+0xcd/0x1e0
[ 191.885712][ T5054] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 191.891964][ T5054] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[ 191.897961][ T5054] ? hfsplus_bnode_read_u16+0x3e/0x2b0
[ 191.903609][ T5054] ? filter_irq_stacks+0x60/0x1a0
[ 191.908871][ T5054] ? kmsan_get_metadata+0x13e/0x1c0
[ 191.914245][ T5054] ? kmsan_internal_memmove_metadata+0x91/0x230
[ 191.920654][ T5054] ? kmsan_get_metadata+0x13e/0x1c0
[ 191.926019][ T5054] ? kmsan_internal_memmove_metadata+0x91/0x230
[ 191.932427][ T5054] ? kmsan_get_metadata+0x13e/0x1c0
[ 191.937815][ T5054] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[ 191.943818][ T5054] __msan_warning+0x95/0x120
[ 191.948575][ T5054] hfs_find_1st_rec_by_cnid+0x27a/0x3f0
[ 191.954326][ T5054] __hfsplus_brec_find+0x26f/0x7b0
[ 191.959627][ T5054] ? __pfx_hfs_find_1st_rec_by_cnid+0x10/0x10
[ 191.965862][ T5054] hfsplus_brec_find+0x445/0x970
[ 191.970967][ T5054] ? __pfx_hfs_find_1st_rec_by_cnid+0x10/0x10
[ 191.977235][ T5054] hfsplus_find_attr+0x30c/0x390
[ 191.982485][ T5054] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[ 191.988533][ T5054] hfsplus_listxattr+0x586/0x1a50
[ 191.993771][ T5054] ? __kmalloc_node_noprof+0xe9/0xf50
[ 191.999690][ T5054] ? kmsan_get_metadata+0x13e/0x1c0
[ 192.005305][ T5054] ? __kmalloc_node_noprof+0x726/0xf50
[ 192.012078][ T5054] ? __kvmalloc_node_noprof+0xc0/0x2d0
[ 192.017959][ T5054] ? kmsan_get_metadata+0x13e/0x1c0
[ 192.023522][ T5054] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[ 192.030020][ T5054] ? kmsan_get_metadata+0x13e/0x1c0
[ 192.035508][ T5054] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0
[ 192.041505][ T5054] ? __pfx_hfsplus_listxattr+0x10/0x10
[ 192.047231][ T5054] ? __pfx_hfsplus_listxattr+0x10/0x10
[ 192.052852][ T5054] listxattr+0x1f3/0x6b0
[ 192.057259][ T5054] __x64_sys_listxattr+0x168/0x2e0
[ 192.062595][ T5054] x64_sys_call+0xded/0x3c10
[ 192.067468][ T5054] do_syscall_64+0xcd/0x1e0
[ 192.072133][ T5054] ? clear_bhb_loop+0x25/0x80
[ 192.076947][ T5054] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 192.083042][ T5054] RIP: 0033:0x7fc170921a99
[ 192.087641][ T5054] 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
[ 192.107667][ T5054] RSP: 002b:00007ffd3b409538 EFLAGS: 00000246 ORIG_RAX: 00000000000000c2
[ 192.116345][ T5054] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc170921a99
[ 192.124808][ T5054] RDX: 00000000000000f9 RSI: 0000000000000000 RDI: 0000000020000140
[ 192.132946][ T5054] RBP: 00007fc1709955f0 R08: 00000000000006a4 R09: 0000555573c754c0
[ 192.141119][ T5054] R10: 00007ffd3b409400 R11: 0000000000000246 R12: 00007ffd3b409560
[ 192.149431][ T5054] R13: 00007ffd3b409788 R14: 431bde82d7b634db R15: 00007fc17096a03b
[ 192.157814][ T5054] </TASK>
[ 192.161234][ T5054] Kernel Offset: disabled
[ 192.165661][ T5054] Rebooting in 86400 seconds..