./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3097276464 <...> Warning: Permanently added '10.128.0.110' (ED25519) to the list of known hosts. execve("./syz-executor3097276464", ["./syz-executor3097276464"], 0x7ffe7c5c2ab0 /* 10 vars */) = 0 brk(NULL) = 0x555555e10000 brk(0x555555e10d00) = 0x555555e10d00 arch_prctl(ARCH_SET_FS, 0x555555e10380) = 0 set_tid_address(0x555555e10650) = 5057 set_robust_list(0x555555e10660, 24) = 0 rseq(0x555555e10ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3097276464", 4096) = 28 getrandom("\xb8\x17\xd9\xe8\x38\x40\x05\xc8", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555e10d00 brk(0x555555e31d00) = 0x555555e31d00 brk(0x555555e32000) = 0x555555e32000 mprotect(0x7f695d25a000, 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 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6954da9000 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 munmap(0x7f6954da9000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./file0", 0777) = 0 [ 69.709917][ T5057] loop0: detected capacity change from 0 to 8192 [ 69.723993][ T5057] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 69.737127][ T5057] REISERFS (device loop0): found reiserfs format "3.5" with non-standard journal [ 69.746632][ T5057] REISERFS (device loop0): using ordered data mode [ 69.753209][ T5057] reiserfs: using flush barriers mount("/dev/loop0", "./file0", "reiserfs", MS_NODEV|MS_NOEXEC|MS_SILENT, "") = 0 [ 69.760003][ T5057] 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 [ 69.776634][ T5057] REISERFS (device loop0): checking transaction log (loop0) [ 69.786369][ T5057] REISERFS (device loop0): Using tea hash to sort names [ 69.795022][ T5057] REISERFS warning (device loop0): vs-13060 reiserfs_update_sd_size: stat data of object [1 2 0x0 SD] (nlink == 1) not found (pos 2) openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 chdir("./file0") = 0 ioctl(4, LOOP_CLR_FD) = 0 close(4) = 0 mkdir("./file1", 000) = 0 mkdir("./file2", 000) = 0 [ 69.808841][ T5057] REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. [ 69.841467][ T5057] REISERFS warning (device loop0): vs-13060 reiserfs_update_sd_size: stat data of object [1 2 0x0 SD] (nlink == 1) not found (pos 2) mkdir("./file0", 021) = 0 creat("./bus", 000) = 4 mkdir("./file1/file0", 000) = 0 [ 69.866502][ T5057] REISERFS warning (device loop0): vs-13060 reiserfs_update_sd_size: stat data of object [1 2 0x0 SD] (nlink == 1) not found (pos 2) [ 69.888456][ T5057] REISERFS panic (device loop0): vs-7042 entry_points_to_object: entry must be visible [ 69.898437][ T5057] ------------[ cut here ]------------ [ 69.903924][ T5057] kernel BUG at fs/reiserfs/prints.c:390! [ 69.909693][ T5057] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 69.915786][ T5057] CPU: 1 PID: 5057 Comm: syz-executor309 Not tainted 6.7.0-rc2-syzkaller #0 [ 69.924458][ T5057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 69.934522][ T5057] RIP: 0010:__reiserfs_panic+0x140/0x150 [ 69.940182][ T5057] Code: c1 a0 69 7c 8b 48 0f 44 c8 48 0f 44 d8 48 c7 c7 60 6a 7c 8b 4c 89 fe 48 89 da 4d 89 f0 49 c7 c1 80 53 6f 92 e8 71 21 de 08 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 f3 0f 1e fa 55 48 [ 69.959872][ T5057] RSP: 0018:ffffc9000391f320 EFLAGS: 00010246 [ 69.965958][ T5057] RAX: 0000000000000054 RBX: ffffffff8b7c1b00 RCX: bc3f3e0b1fc0be00 [ 69.973932][ T5057] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 69.981904][ T5057] RBP: ffffc9000391f410 R08: ffffffff817136dc R09: 1ffff92000723e04 [ 69.989968][ T5057] R10: dffffc0000000000 R11: fffff52000723e05 R12: ffffffff8b7c1b20 [ 69.997947][ T5057] R13: ffffc9000391f340 R14: ffffffff8d13e152 R15: ffff88801cee8660 [ 70.005921][ T5057] FS: 0000555555e10380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 70.014865][ T5057] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.021486][ T5057] CR2: 000055c020b77818 CR3: 0000000078e9b000 CR4: 00000000003506f0 [ 70.029497][ T5057] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.037526][ T5057] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.045525][ T5057] Call Trace: [ 70.048820][ T5057] [ 70.051764][ T5057] ? __die_body+0x8b/0xe0 [ 70.056110][ T5057] ? die+0xa1/0xd0 [ 70.059842][ T5057] ? do_trap+0x153/0x380 [ 70.064110][ T5057] ? __reiserfs_panic+0x140/0x150 [ 70.069151][ T5057] ? do_error_trap+0x1dc/0x2c0 [ 70.073967][ T5057] ? __reiserfs_panic+0x140/0x150 [ 70.079012][ T5057] ? do_int3+0x50/0x50 [ 70.083106][ T5057] ? handle_invalid_op+0x34/0x40 [ 70.088061][ T5057] ? __reiserfs_panic+0x140/0x150 [ 70.093099][ T5057] ? exc_invalid_op+0x34/0x50 [ 70.097817][ T5057] ? asm_exc_invalid_op+0x1a/0x20 [ 70.102851][ T5057] ? __wake_up_klogd+0xcc/0x100 [ 70.107715][ T5057] ? __reiserfs_panic+0x140/0x150 [ 70.112753][ T5057] ? reiserfs_debug+0x10/0x10 [ 70.117445][ T5057] ? entry_points_to_object+0x413/0x6f0 [ 70.122999][ T5057] ? __wake_up+0x10/0x10 [ 70.127271][ T5057] entry_points_to_object+0x6e7/0x6f0 [ 70.132677][ T5057] reiserfs_rename+0xff3/0x2110 [ 70.137560][ T5057] ? reiserfs_mknod+0x6a0/0x6a0 [ 70.142431][ T5057] ? stack_trace_snprint+0xf0/0xf0 [ 70.147595][ T5057] ? clear_nonspinnable+0x60/0x60 [ 70.152634][ T5057] ? reiserfs_mknod+0x6a0/0x6a0 [ 70.157497][ T5057] vfs_rename+0xaba/0xde0 [ 70.161840][ T5057] ? __ia32_sys_link+0x90/0x90 [ 70.166667][ T5057] ? security_path_rename+0x183/0x210 [ 70.172050][ T5057] do_renameat2+0xd5a/0x1390 [ 70.176657][ T5057] ? fsnotify_move+0x4f0/0x4f0 [ 70.181433][ T5057] ? __check_object_size+0x4bb/0xa00 [ 70.186738][ T5057] ? getname_flags+0x1fd/0x4f0 [ 70.191527][ T5057] __x64_sys_rename+0x86/0x90 [ 70.196206][ T5057] do_syscall_64+0x45/0x110 [ 70.200717][ T5057] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 70.206624][ T5057] RIP: 0033:0x7f695d1e66b9 [ 70.211045][ T5057] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 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 [ 70.230653][ T5057] RSP: 002b:00007fff86426978 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 [ 70.239068][ T5057] RAX: ffffffffffffffda RBX: 0032656c69662f2e RCX: 00007f695d1e66b9 [ 70.247047][ T5057] RDX: 00007f695d1e66b9 RSI: 00000000200002c0 RDI: 00000000200000c0 [ 70.255048][ T5057] RBP: 0030656c69662f31 R08: 0000000000000000 R09: 0000000000000000 [ 70.263021][ T5057] R10: 0000000000000000 R11: 0000000000000246 R12: 2f31656c69662f2e [ 70.270994][ T5057] R13: 00007fff86426b58 R14: 0000000000000001 R15: 0000000000000001 [ 70.278996][ T5057] [ 70.282018][ T5057] Modules linked in: [ 70.286268][ T5057] ---[ end trace 0000000000000000 ]--- [ 70.294277][ T5057] RIP: 0010:__reiserfs_panic+0x140/0x150 [ 70.299981][ T5057] Code: c1 a0 69 7c 8b 48 0f 44 c8 48 0f 44 d8 48 c7 c7 60 6a 7c 8b 4c 89 fe 48 89 da 4d 89 f0 49 c7 c1 80 53 6f 92 e8 71 21 de 08 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 f3 0f 1e fa 55 48 [ 70.319702][ T5057] RSP: 0018:ffffc9000391f320 EFLAGS: 00010246 [ 70.325806][ T5057] RAX: 0000000000000054 RBX: ffffffff8b7c1b00 RCX: bc3f3e0b1fc0be00 [ 70.333803][ T5057] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 70.341795][ T5057] RBP: ffffc9000391f410 R08: ffffffff817136dc R09: 1ffff92000723e04 [ 70.349804][ T5057] R10: dffffc0000000000 R11: fffff52000723e05 R12: ffffffff8b7c1b20 [ 70.357814][ T5057] R13: ffffc9000391f340 R14: ffffffff8d13e152 R15: ffff88801cee8660 [ 70.365785][ T5057] FS: 0000555555e10380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 70.374746][ T5057] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.381368][ T5057] CR2: 000055c020b77818 CR3: 0000000078e9b000 CR4: 00000000003506f0 [ 70.389414][ T5057] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 70.397447][ T5057] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 70.405416][ T5057] Kernel panic - not syncing: Fatal exception [ 70.411788][ T5057] Kernel Offset: disabled [ 70.416112][ T5057] Rebooting in 86400 seconds..