./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3463334691 <...> Warning: Permanently added '10.128.1.200' (ED25519) to the list of known hosts. execve("./syz-executor3463334691", ["./syz-executor3463334691"], 0x7ffcb1f21f50 /* 10 vars */) = 0 brk(NULL) = 0x555561375000 brk(0x555561375d00) = 0x555561375d00 arch_prctl(ARCH_SET_FS, 0x555561375380) = 0 set_tid_address(0x555561375650) = 5052 set_robust_list(0x555561375660, 24) = 0 rseq(0x555561375ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3463334691", 4096) = 28 getrandom("\xe3\x07\xb7\x08\xf1\x23\x4e\xf4", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555561375d00 brk(0x555561396d00) = 0x555561396d00 brk(0x555561397000) = 0x555561397000 mprotect(0x7ff3365b9000, 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=0x555561375650) = 5053 ./strace-static-x86_64: Process 5053 attached [pid 5053] set_robust_list(0x555561375660, 24) = 0 [pid 5053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5053] setpgid(0, 0) = 0 [pid 5053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5053] write(3, "1000", 4) = 4 [pid 5053] close(3) = 0 [pid 5053] write(1, "executing program\n", 18executing program ) = 18 [pid 5053] memfd_create("syzkaller", 0) = 3 [pid 5053] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff32e000000 [pid 5053] 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 5053] munmap(0x7ff32e000000, 138412032) = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5053] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5053] close(3) = 0 [pid 5053] close(4) = 0 [pid 5053] mkdir("./bus", 0777) = 0 [ 161.866700][ T5053] loop0: detected capacity change from 0 to 1024 [ 161.903802][ T5053] ======================================================= [pid 5053] mount("/dev/loop0", "./bus", "hfsplus", MS_SYNCHRONOUS|MS_MANDLOCK, "") = 0 [pid 5053] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5053] chdir("./bus") = 0 [pid 5053] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5053] setxattr("./file1", "security.ima", "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1792, 0) = 0 [ 161.903802][ T5053] WARNING: The mand mount option has been deprecated and [ 161.903802][ T5053] and is ignored by this kernel. Remove the mand [ 161.903802][ T5053] option from the mount to silence this warning. [ 161.903802][ T5053] ======================================================= [ 161.968001][ T5053] ===================================================== [ 161.975900][ T5053] BUG: KMSAN: uninit-value in hfsplus_attr_bin_cmp_key+0xf1/0x190 [ 161.984773][ T5053] hfsplus_attr_bin_cmp_key+0xf1/0x190 [ 161.990426][ T5053] hfs_find_rec_by_key+0xb1/0x240 [ 161.995733][ T5053] __hfsplus_brec_find+0x26f/0x7b0 [ 162.001131][ T5053] hfsplus_brec_find+0x445/0x970 [ 162.006464][ T5053] hfsplus_find_attr+0x30c/0x390 [ 162.011578][ T5053] hfsplus_attr_exists+0x1c6/0x260 [ 162.017609][ T5053] __hfsplus_setxattr+0x510/0x3580 [ 162.023135][ T5053] hfsplus_setxattr+0x129/0x1e0 [ 162.028164][ T5053] hfsplus_trusted_setxattr+0x55/0x70 [ 162.033827][ T5053] __vfs_setxattr+0x844/0x8b0 [ 162.038665][ T5053] __vfs_setxattr_noperm+0x22f/0xb00 [ 162.044293][ T5053] __vfs_setxattr_locked+0x441/0x480 [ 162.049755][ T5053] vfs_setxattr+0x294/0x650 [ 162.054519][ T5053] setxattr+0x463/0x540 [ 162.058846][ T5053] path_setxattr+0x1f4/0x3c0 [ 162.063737][ T5053] __x64_sys_setxattr+0xfb/0x180 [ 162.068931][ T5053] x64_sys_call+0x31db/0x3c10 [ 162.073868][ T5053] do_syscall_64+0xcd/0x1e0 [ 162.078556][ T5053] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 162.084707][ T5053] [ 162.087122][ T5053] Uninit was created at: [ 162.091539][ T5053] __kmalloc_noprof+0x661/0xf30 [ 162.096707][ T5053] hfsplus_find_init+0x95/0x1d0 [ 162.101734][ T5053] hfsplus_attr_exists+0xde/0x260 [ 162.107079][ T5053] __hfsplus_setxattr+0x510/0x3580 [ 162.112469][ T5053] hfsplus_setxattr+0x129/0x1e0 [ 162.117438][ T5053] hfsplus_trusted_setxattr+0x55/0x70 [ 162.123061][ T5053] __vfs_setxattr+0x844/0x8b0 [ 162.127910][ T5053] __vfs_setxattr_noperm+0x22f/0xb00 [ 162.133502][ T5053] __vfs_setxattr_locked+0x441/0x480 [ 162.138954][ T5053] vfs_setxattr+0x294/0x650 [ 162.143825][ T5053] setxattr+0x463/0x540 [ 162.148150][ T5053] path_setxattr+0x1f4/0x3c0 [ 162.153016][ T5053] __x64_sys_setxattr+0xfb/0x180 [ 162.158123][ T5053] x64_sys_call+0x31db/0x3c10 [ 162.163082][ T5053] do_syscall_64+0xcd/0x1e0 [ 162.167866][ T5053] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 162.174183][ T5053] [ 162.176593][ T5053] CPU: 0 PID: 5053 Comm: syz-executor346 Not tainted 6.10.0-syzkaller-11185-g2c9b3512402e #0 [ 162.187001][ T5053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 162.197319][ T5053] ===================================================== [ 162.204426][ T5053] Disabling lock debugging due to kernel taint [ 162.210668][ T5053] Kernel panic - not syncing: kmsan.panic set ... [ 162.217154][ T5053] CPU: 0 PID: 5053 Comm: syz-executor346 Tainted: G B 6.10.0-syzkaller-11185-g2c9b3512402e #0 [ 162.228910][ T5053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 162.239051][ T5053] Call Trace: [ 162.242389][ T5053] [ 162.245371][ T5053] dump_stack_lvl+0x216/0x2d0 [ 162.250168][ T5053] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 162.256124][ T5053] dump_stack+0x1e/0x30 [ 162.260396][ T5053] panic+0x4e2/0xcd0 [ 162.264424][ T5053] ? kmsan_get_metadata+0xf1/0x1d0 [ 162.269722][ T5053] kmsan_report+0x2d5/0x2e0 [ 162.274400][ T5053] ? __msan_warning+0x95/0x120 [ 162.279267][ T5053] ? hfsplus_attr_bin_cmp_key+0xf1/0x190 [ 162.285108][ T5053] ? hfs_find_rec_by_key+0xb1/0x240 [ 162.290419][ T5053] ? __hfsplus_brec_find+0x26f/0x7b0 [ 162.295814][ T5053] ? hfsplus_brec_find+0x445/0x970 [ 162.301028][ T5053] ? hfsplus_find_attr+0x30c/0x390 [ 162.306332][ T5053] ? hfsplus_attr_exists+0x1c6/0x260 [ 162.311727][ T5053] ? __hfsplus_setxattr+0x510/0x3580 [ 162.317128][ T5053] ? hfsplus_setxattr+0x129/0x1e0 [ 162.322309][ T5053] ? hfsplus_trusted_setxattr+0x55/0x70 [ 162.327979][ T5053] ? __vfs_setxattr+0x844/0x8b0 [ 162.332929][ T5053] ? __vfs_setxattr_noperm+0x22f/0xb00 [ 162.338500][ T5053] ? __vfs_setxattr_locked+0x441/0x480 [ 162.344066][ T5053] ? vfs_setxattr+0x294/0x650 [ 162.348845][ T5053] ? setxattr+0x463/0x540 [ 162.353288][ T5053] ? path_setxattr+0x1f4/0x3c0 [ 162.358172][ T5053] ? __x64_sys_setxattr+0xfb/0x180 [ 162.363398][ T5053] ? x64_sys_call+0x31db/0x3c10 [ 162.368357][ T5053] ? do_syscall_64+0xcd/0x1e0 [ 162.373143][ T5053] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 162.379349][ T5053] ? kmsan_get_metadata+0x146/0x1d0 [ 162.384671][ T5053] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 162.390609][ T5053] ? hfsplus_bnode_read_u16+0x3e/0x2b0 [ 162.396181][ T5053] ? filter_irq_stacks+0x60/0x1a0 [ 162.401327][ T5053] ? kmsan_get_metadata+0x146/0x1d0 [ 162.406645][ T5053] ? kmsan_internal_memmove_metadata+0x91/0x230 [ 162.413008][ T5053] ? kmsan_get_metadata+0x146/0x1d0 [ 162.418329][ T5053] ? kmsan_get_metadata+0x146/0x1d0 [ 162.423647][ T5053] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 162.429578][ T5053] __msan_warning+0x95/0x120 [ 162.434279][ T5053] hfsplus_attr_bin_cmp_key+0xf1/0x190 [ 162.439866][ T5053] hfs_find_rec_by_key+0xb1/0x240 [ 162.445003][ T5053] ? __pfx_hfsplus_attr_bin_cmp_key+0x10/0x10 [ 162.451195][ T5053] __hfsplus_brec_find+0x26f/0x7b0 [ 162.456417][ T5053] ? __pfx_hfs_find_rec_by_key+0x10/0x10 [ 162.462174][ T5053] hfsplus_brec_find+0x445/0x970 [ 162.467269][ T5053] ? __pfx_hfs_find_rec_by_key+0x10/0x10 [ 162.473054][ T5053] hfsplus_find_attr+0x30c/0x390 [ 162.478131][ T5053] hfsplus_attr_exists+0x1c6/0x260 [ 162.483374][ T5053] __hfsplus_setxattr+0x510/0x3580 [ 162.488601][ T5053] ? kmsan_get_metadata+0x146/0x1d0 [ 162.493947][ T5053] ? kmsan_internal_set_shadow_origin+0x69/0x100 [ 162.500554][ T5053] ? kmsan_internal_poison_memory+0x7d/0x90 [ 162.506565][ T5053] ? kmsan_internal_poison_memory+0x49/0x90 [ 162.512593][ T5053] ? kmsan_slab_alloc+0xdf/0x160 [ 162.517644][ T5053] ? __kmalloc_cache_noprof+0x4f0/0xb00 [ 162.523313][ T5053] ? hfsplus_setxattr+0x74/0x1e0 [ 162.528363][ T5053] ? hfsplus_trusted_setxattr+0x55/0x70 [ 162.534030][ T5053] ? __vfs_setxattr+0x844/0x8b0 [ 162.539000][ T5053] ? __vfs_setxattr_noperm+0x22f/0xb00 [ 162.544632][ T5053] ? __vfs_setxattr_locked+0x441/0x480 [ 162.550224][ T5053] ? vfs_setxattr+0x294/0x650 [ 162.555058][ T5053] ? setxattr+0x463/0x540 [ 162.559496][ T5053] ? path_setxattr+0x1f4/0x3c0 [ 162.564372][ T5053] ? __x64_sys_setxattr+0xfb/0x180 [ 162.569615][ T5053] ? x64_sys_call+0x31db/0x3c10 [ 162.574576][ T5053] ? do_syscall_64+0xcd/0x1e0 [ 162.579357][ T5053] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 162.585552][ T5053] ? __module_address+0xef/0x7e0 [ 162.590572][ T5053] ? kmsan_get_metadata+0x146/0x1d0 [ 162.595897][ T5053] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 162.601833][ T5053] ? __kmalloc_cache_noprof+0x45/0xb00 [ 162.607417][ T5053] ? filter_irq_stacks+0x60/0x1a0 [ 162.612599][ T5053] ? kmsan_get_metadata+0x146/0x1d0 [ 162.618011][ T5053] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 162.623972][ T5053] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 162.629903][ T5053] ? kmsan_get_metadata+0x146/0x1d0 [ 162.635231][ T5053] hfsplus_setxattr+0x129/0x1e0 [ 162.640234][ T5053] hfsplus_trusted_setxattr+0x55/0x70 [ 162.645730][ T5053] ? __pfx_hfsplus_trusted_setxattr+0x10/0x10 [ 162.651922][ T5053] __vfs_setxattr+0x844/0x8b0 [ 162.656736][ T5053] __vfs_setxattr_noperm+0x22f/0xb00 [ 162.662180][ T5053] __vfs_setxattr_locked+0x441/0x480 [ 162.667729][ T5053] vfs_setxattr+0x294/0x650 [ 162.672364][ T5053] setxattr+0x463/0x540 [ 162.676648][ T5053] ? kmem_cache_free+0x3e7/0xbb0 [ 162.681701][ T5053] ? user_path_at+0x32f/0x390 [ 162.686569][ T5053] ? kmsan_get_metadata+0x146/0x1d0 [ 162.691887][ T5053] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 162.697848][ T5053] path_setxattr+0x1f4/0x3c0 [ 162.702585][ T5053] __x64_sys_setxattr+0xfb/0x180 [ 162.707699][ T5053] x64_sys_call+0x31db/0x3c10 [ 162.712571][ T5053] do_syscall_64+0xcd/0x1e0 [ 162.717191][ T5053] ? clear_bhb_loop+0x25/0x80 [ 162.721959][ T5053] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 162.727981][ T5053] RIP: 0033:0x7ff336544e19 [ 162.732483][ T5053] 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 [ 162.752206][ T5053] RSP: 002b:00007fff77cf1d28 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc [ 162.760750][ T5053] RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007ff336544e19 [ 162.768810][ T5053] RDX: 0000000020000200 RSI: 00000000200001c0 RDI: 0000000020000000 [ 162.776948][ T5053] RBP: 00007ff33658e095 R08: 0000000000000000 R09: 00005555613764c0 [ 162.785006][ T5053] R10: 0000000000000841 R11: 0000000000000246 R12: 00007fff77cf1d50 [ 162.793051][ T5053] R13: 00007fff77cf1f78 R14: 431bde82d7b634db R15: 00007ff33658e03b [ 162.801124][ T5053] [ 162.804333][ T5053] Kernel Offset: disabled [ 162.808714][ T5053] Rebooting in 86400 seconds..