./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1855386521 <...> Warning: Permanently added '10.128.0.106' (ED25519) to the list of known hosts. execve("./syz-executor1855386521", ["./syz-executor1855386521"], 0x7fffb1af2460 /* 10 vars */) = 0 brk(NULL) = 0x555555d36000 brk(0x555555d36d00) = 0x555555d36d00 arch_prctl(ARCH_SET_FS, 0x555555d36380) = 0 set_tid_address(0x555555d36650) = 5005 set_robust_list(0x555555d36660, 24) = 0 rseq(0x555555d36ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1855386521", 4096) = 28 getrandom("\x50\xe7\xf3\x31\x13\x44\x10\x7a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555d36d00 brk(0x555555d57d00) = 0x555555d57d00 brk(0x555555d58000) = 0x555555d58000 mprotect(0x7f5606a16000, 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=0x555555d36650) = 5006 ./strace-static-x86_64: Process 5006 attached [pid 5006] set_robust_list(0x555555d36660, 24) = 0 [pid 5006] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5006] setpgid(0, 0) = 0 [pid 5006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5006] write(3, "1000", 4) = 4 [pid 5006] close(3) = 0 [pid 5006] memfd_create("syzkaller", 0) = 3 [pid 5006] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f55fe564000 [pid 5006] 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"..., 4194304) = 4194304 [pid 5006] munmap(0x7f55fe564000, 138412032) = 0 [pid 5006] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5006] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5006] close(3) = 0 [pid 5006] mkdir("./file1", 0777) = 0 [ 136.928597][ T5006] loop0: detected capacity change from 0 to 8192 [ 136.951064][ T5006] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 136.964379][ T5006] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 136.974170][ T5006] REISERFS (device loop0): using ordered data mode [ 136.980856][ T5006] reiserfs: using flush barriers [ 136.989312][ T5006] REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 [ 137.006726][ T5006] REISERFS (device loop0): checking transaction log (loop0) [ 137.017548][ T5006] REISERFS (device loop0): Using tea hash to sort names [pid 5006] mount("/dev/loop0", "./file1", "reiserfs", MS_NODIRATIME, "") = 0 [pid 5006] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5006] ioctl(4, LOOP_CLR_FD) = 0 [pid 5006] close(4) = 0 [ 137.024960][ T5006] REISERFS (device loop0): using 3.5.x disk format [ 137.032771][ T5006] REISERFS warning (device loop0): vs-13060 reiserfs_update_sd_size: stat data of object [1 2 0x0 SD] (nlink == 1) not found (pos 2) [ 137.046908][ T5006] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 137.068841][ T5006] ===================================================== [ 137.076175][ T5006] BUG: KMSAN: uninit-value in reiserfs_new_inode+0x16cd/0x20f0 [ 137.084268][ T5006] reiserfs_new_inode+0x16cd/0x20f0 [ 137.089640][ T5006] reiserfs_create+0x674/0xcb0 [ 137.094660][ T5006] xattr_lookup+0x3ee/0x5e0 [ 137.099324][ T5006] reiserfs_xattr_set_handle+0xe7/0x21b0 [ 137.105243][ T5006] reiserfs_xattr_set+0x670/0x7f0 [ 137.110450][ T5006] trusted_set+0x112/0x190 [ 137.115158][ T5006] __vfs_setxattr+0x7aa/0x8b0 [ 137.120045][ T5006] __vfs_setxattr_noperm+0x24f/0xa30 [ 137.125701][ T5006] __vfs_setxattr_locked+0x441/0x480 [ 137.131193][ T5006] vfs_setxattr+0x294/0x650 [ 137.136248][ T5006] setxattr+0x45f/0x540 [ 137.140533][ T5006] path_setxattr+0x1f5/0x3c0 [ 137.145447][ T5006] __x64_sys_setxattr+0xf7/0x180 [ 137.150589][ T5006] do_syscall_64+0x44/0x110 [ 137.155419][ T5006] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 137.161497][ T5006] [ 137.164071][ T5006] Uninit was created at: [ 137.168535][ T5006] __alloc_pages+0x9a4/0xe00 [ 137.173324][ T5006] alloc_pages_mpol+0x62b/0x9d0 [ 137.178450][ T5006] alloc_pages+0x1be/0x1e0 [ 137.183033][ T5006] new_slab+0x421/0x1570 [ 137.187565][ T5006] ___slab_alloc+0x13db/0x33d0 [ 137.192466][ T5006] kmem_cache_alloc_lru+0x552/0x970 [ 137.197949][ T5006] reiserfs_alloc_inode+0x62/0x150 [ 137.203232][ T5006] alloc_inode+0x83/0x440 [ 137.207990][ T5006] iget5_locked+0xa9/0x210 [ 137.212676][ T5006] reiserfs_fill_super+0x2109/0x39d0 [ 137.218315][ T5006] mount_bdev+0x3d7/0x560 [ 137.222813][ T5006] get_super_block+0x4d/0x60 [ 137.227865][ T5006] legacy_get_tree+0x110/0x290 [ 137.232853][ T5006] vfs_get_tree+0xa5/0x520 [ 137.237555][ T5006] do_new_mount+0x68d/0x1550 [ 137.242296][ T5006] path_mount+0x73d/0x1f20 [ 137.246927][ T5006] __se_sys_mount+0x725/0x810 [ 137.251757][ T5006] __x64_sys_mount+0xe4/0x140 [ 137.256650][ T5006] do_syscall_64+0x44/0x110 [ 137.261304][ T5006] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 137.267569][ T5006] [ 137.269986][ T5006] CPU: 1 PID: 5006 Comm: syz-executor185 Not tainted 6.7.0-rc7-syzkaller #0 [ 137.278981][ T5006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 137.289533][ T5006] ===================================================== [ 137.296764][ T5006] Disabling lock debugging due to kernel taint [ 137.303188][ T5006] Kernel panic - not syncing: kmsan.panic set ... [ 137.309887][ T5006] CPU: 1 PID: 5006 Comm: syz-executor185 Tainted: G B 6.7.0-rc7-syzkaller #0 [ 137.320285][ T5006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 137.330448][ T5006] Call Trace: [ 137.333891][ T5006] [ 137.336911][ T5006] dump_stack_lvl+0x1bf/0x240 [ 137.341743][ T5006] dump_stack+0x1e/0x20 [ 137.346088][ T5006] panic+0x4de/0xc90 [ 137.350177][ T5006] ? add_taint+0x108/0x1a0 [ 137.354732][ T5006] kmsan_report+0x2d0/0x2d0 [ 137.359362][ T5006] ? __msan_warning+0x96/0x110 [ 137.364250][ T5006] ? reiserfs_new_inode+0x16cd/0x20f0 [ 137.369798][ T5006] ? reiserfs_create+0x674/0xcb0 [ 137.374888][ T5006] ? xattr_lookup+0x3ee/0x5e0 [ 137.379678][ T5006] ? reiserfs_xattr_set_handle+0xe7/0x21b0 [ 137.385612][ T5006] ? reiserfs_xattr_set+0x670/0x7f0 [ 137.390941][ T5006] ? trusted_set+0x112/0x190 [ 137.395742][ T5006] ? __vfs_setxattr+0x7aa/0x8b0 [ 137.400778][ T5006] ? __vfs_setxattr_noperm+0x24f/0xa30 [ 137.406386][ T5006] ? __vfs_setxattr_locked+0x441/0x480 [ 137.412028][ T5006] ? vfs_setxattr+0x294/0x650 [ 137.416817][ T5006] ? setxattr+0x45f/0x540 [ 137.421283][ T5006] ? path_setxattr+0x1f5/0x3c0 [ 137.426193][ T5006] ? __x64_sys_setxattr+0xf7/0x180 [ 137.431470][ T5006] ? do_syscall_64+0x44/0x110 [ 137.436247][ T5006] ? entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 137.442514][ T5006] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 137.448898][ T5006] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 137.454930][ T5006] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 137.461038][ T5006] ? inode2sd_v1+0x61d/0x770 [ 137.465801][ T5006] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 137.471808][ T5006] __msan_warning+0x96/0x110 [ 137.476579][ T5006] reiserfs_new_inode+0x16cd/0x20f0 [ 137.482011][ T5006] reiserfs_create+0x674/0xcb0 [ 137.486973][ T5006] ? reiserfs_lookup+0x710/0x710 [ 137.492088][ T5006] xattr_lookup+0x3ee/0x5e0 [ 137.496725][ T5006] reiserfs_xattr_set_handle+0xe7/0x21b0 [ 137.502496][ T5006] ? kmsan_internal_set_shadow_origin+0x66/0xe0 [ 137.508955][ T5006] ? kmsan_internal_unpoison_memory+0x14/0x20 [ 137.515214][ T5006] ? mutex_unlock+0x28/0x50 [ 137.519882][ T5006] ? reiserfs_write_unlock+0x153/0x1e0 [ 137.525514][ T5006] reiserfs_xattr_set+0x670/0x7f0 [ 137.530674][ T5006] trusted_set+0x112/0x190 [ 137.535275][ T5006] ? trusted_get+0x180/0x180 [ 137.540042][ T5006] __vfs_setxattr+0x7aa/0x8b0 [ 137.544954][ T5006] __vfs_setxattr_noperm+0x24f/0xa30 [ 137.550439][ T5006] __vfs_setxattr_locked+0x441/0x480 [ 137.555939][ T5006] vfs_setxattr+0x294/0x650 [ 137.560612][ T5006] setxattr+0x45f/0x540 [ 137.565123][ T5006] ? user_path_at_empty+0x33e/0x3b0 [ 137.570462][ T5006] ? kmsan_get_shadow_origin_ptr+0x4d/0xa0 [ 137.576468][ T5006] path_setxattr+0x1f5/0x3c0 [ 137.581170][ T5006] __x64_sys_setxattr+0xf7/0x180 [ 137.586310][ T5006] do_syscall_64+0x44/0x110 [ 137.591006][ T5006] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 137.597099][ T5006] RIP: 0033:0x7f56069a2a29 [ 137.601738][ T5006] 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 [ 137.621536][ T5006] RSP: 002b:00007ffd03233d58 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc [ 137.630138][ T5006] RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007f56069a2a29 [ 137.638516][ T5006] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000020000040 [ 137.646691][ T5006] RBP: 00007f5606a165f0 R08: 0000000000000000 R09: 0000555555d374c0 [ 137.654763][ T5006] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd03233d80 [ 137.662902][ T5006] R13: 00007ffd03233fa8 R14: 431bde82d7b634db R15: 00007f56069eb03b [ 137.671124][ T5006] [ 137.674553][ T5006] Kernel Offset: disabled [ 137.678927][ T5006] Rebooting in 86400 seconds..