./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2655111167 <...> Warning: Permanently added '10.128.0.253' (ED25519) to the list of known hosts. execve("./syz-executor2655111167", ["./syz-executor2655111167"], 0x7ffcd7e63470 /* 10 vars */) = 0 brk(NULL) = 0x55555727a000 brk(0x55555727ad00) = 0x55555727ad00 arch_prctl(ARCH_SET_FS, 0x55555727a380) = 0 set_tid_address(0x55555727a650) = 5057 set_robust_list(0x55555727a660, 24) = 0 rseq(0x55555727aca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2655111167", 4096) = 28 getrandom("\x9f\xec\x01\x68\x1e\x7e\x62\x78", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555727ad00 brk(0x55555729bd00) = 0x55555729bd00 brk(0x55555729c000) = 0x55555729c000 mprotect(0x7fd709626000, 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) = 0x7fd701175000 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(0x7fd701175000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./file0", 0777) = 0 [ 59.965389][ T5057] loop0: detected capacity change from 0 to 8192 [ 59.988741][ T5057] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 60.002129][ T5057] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 60.012395][ T5057] REISERFS (device loop0): using ordered data mode [ 60.018947][ T5057] reiserfs: using flush barriers [ 60.025620][ 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 [ 60.042889][ T5057] REISERFS (device loop0): checking transaction log (loop0) [ 60.092874][ T5057] REISERFS (device loop0): Using tea hash to sort names [ 60.100824][ T5057] REISERFS panic (device loop0): vs-13065 update_stat_data: key [1 2 0x0 SD], found item *3.5*[1 2 0(0) DIR], item_len 80, item_location 3972, free_space(entry_count) 3 [ 60.117907][ T5057] ------------[ cut here ]------------ [ 60.123432][ T5057] kernel BUG at fs/reiserfs/prints.c:390! [ 60.129830][ T5057] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 60.135997][ T5057] CPU: 0 PID: 5057 Comm: syz-executor265 Not tainted 6.6.0-syzkaller-15601-g4bbdb725a36b #0 [ 60.146049][ T5057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 60.156098][ T5057] RIP: 0010:__reiserfs_panic+0x13e/0x140 [ 60.161758][ T5057] Code: c7 c1 e0 68 7c 8b 48 0f 44 c8 48 0f 44 d8 48 c7 c7 a0 69 7c 8b 4c 89 fe 48 89 da 4d 89 f0 49 c7 c1 80 43 6f 92 e8 42 8d de 08 <0f> 0b f3 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 [ 60.182000][ T5057] RSP: 0018:ffffc90003d1f4e0 EFLAGS: 00010246 [ 60.188065][ T5057] RAX: 00000000000000a6 RBX: ffffffff8b7c21a0 RCX: ff01a44cec3deb00 [ 60.196093][ T5057] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 60.204482][ T5057] RBP: ffffc90003d1f5d0 R08: ffffffff8171771c R09: 1ffff920007a3df0 [ 60.212615][ T5057] R10: dffffc0000000000 R11: fffff520007a3df1 R12: ffffffff8b7c21c0 [ 60.220856][ T5057] R13: ffffc90003d1f500 R14: ffffffff8d139fe2 R15: ffff888079496660 [ 60.229630][ T5057] FS: 000055555727a380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 60.238625][ T5057] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.245385][ T5057] CR2: 00000000005fdeb8 CR3: 000000007759a000 CR4: 00000000003506f0 [ 60.253354][ T5057] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.261399][ T5057] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.269531][ T5057] Call Trace: [ 60.272801][ T5057] [ 60.275911][ T5057] ? __die_body+0x8b/0xe0 [ 60.280438][ T5057] ? die+0xa1/0xd0 [ 60.284278][ T5057] ? do_trap+0x153/0x380 [ 60.288550][ T5057] ? __reiserfs_panic+0x13e/0x140 [ 60.293588][ T5057] ? do_error_trap+0x1dc/0x2c0 [ 60.298478][ T5057] ? __reiserfs_panic+0x13e/0x140 [ 60.303867][ T5057] ? do_int3+0x50/0x50 [ 60.307942][ T5057] ? handle_invalid_op+0x34/0x40 [ 60.312998][ T5057] ? __reiserfs_panic+0x13e/0x140 [ 60.318017][ T5057] ? exc_invalid_op+0x33/0x50 [ 60.322818][ T5057] ? asm_exc_invalid_op+0x1a/0x20 [ 60.327854][ T5057] ? __wake_up_klogd+0xcc/0x100 [ 60.332704][ T5057] ? __reiserfs_panic+0x13e/0x140 [ 60.337748][ T5057] ? reiserfs_debug+0x10/0x10 [ 60.342544][ T5057] reiserfs_update_sd_size+0xfd5/0x10b0 [ 60.348114][ T5057] ? restart_transaction+0x1e0/0x1e0 [ 60.353432][ T5057] ? journal_begin+0x1f3/0x360 [ 60.358288][ T5057] reiserfs_mkdir+0x75c/0x8f0 [ 60.363049][ T5057] ? reiserfs_symlink+0x720/0x720 [ 60.368151][ T5057] ? __down_write_common+0x161/0x200 [ 60.373517][ T5057] ? __up_read+0x690/0x690 [ 60.377929][ T5057] reiserfs_xattr_init+0x323/0x670 [ 60.383399][ T5057] reiserfs_fill_super+0x2207/0x2620 [ 60.388678][ T5057] ? reiserfs_kill_sb+0x150/0x150 [ 60.393876][ T5057] ? __down_write_common+0x161/0x200 [ 60.399152][ T5057] mount_bdev+0x237/0x300 [ 60.403649][ T5057] ? reiserfs_kill_sb+0x150/0x150 [ 60.408660][ T5057] ? get_tree_bdev+0x5b0/0x5b0 [ 60.413416][ T5057] ? vfs_parse_fs_string+0x190/0x230 [ 60.418688][ T5057] ? vfs_parse_fs_param+0x410/0x410 [ 60.423901][ T5057] ? cap_capable+0x1b4/0x240 [ 60.428603][ T5057] legacy_get_tree+0xef/0x190 [ 60.433719][ T5057] ? remove_save_link+0x540/0x540 [ 60.438733][ T5057] vfs_get_tree+0x8c/0x280 [ 60.443137][ T5057] do_new_mount+0x28f/0xae0 [ 60.448052][ T5057] ? do_move_mount_old+0x170/0x170 [ 60.453185][ T5057] __se_sys_mount+0x2d9/0x3c0 [ 60.457862][ T5057] ? __x64_sys_mount+0xc0/0xc0 [ 60.462628][ T5057] ? syscall_enter_from_user_mode+0x32/0x230 [ 60.468607][ T5057] ? __x64_sys_mount+0x20/0xc0 [ 60.473363][ T5057] do_syscall_64+0x44/0x110 [ 60.477855][ T5057] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 60.483741][ T5057] RIP: 0033:0x7fd7095b38ba [ 60.488143][ T5057] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 60.507910][ T5057] RSP: 002b:00007ffc543a52d8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 60.516317][ T5057] RAX: ffffffffffffffda RBX: 00007ffc543a52f0 RCX: 00007fd7095b38ba [ 60.524281][ T5057] RDX: 0000000020001100 RSI: 0000000020001140 RDI: 00007ffc543a52f0 [ 60.532243][ T5057] RBP: 0000000000000004 R08: 00007ffc543a5330 R09: 00000000000010e8 [ 60.540217][ T5057] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000 [ 60.548178][ T5057] R13: 00007ffc543a5330 R14: 0000000000000003 R15: 0000000000400000 [ 60.556142][ T5057] [ 60.559237][ T5057] Modules linked in: [ 60.563218][ T5057] ---[ end trace 0000000000000000 ]--- [ 60.568680][ T5057] RIP: 0010:__reiserfs_panic+0x13e/0x140 [ 60.574424][ T5057] Code: c7 c1 e0 68 7c 8b 48 0f 44 c8 48 0f 44 d8 48 c7 c7 a0 69 7c 8b 4c 89 fe 48 89 da 4d 89 f0 49 c7 c1 80 43 6f 92 e8 42 8d de 08 <0f> 0b f3 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 [ 60.594384][ T5057] RSP: 0018:ffffc90003d1f4e0 EFLAGS: 00010246 [ 60.600777][ T5057] RAX: 00000000000000a6 RBX: ffffffff8b7c21a0 RCX: ff01a44cec3deb00 [ 60.608834][ T5057] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 60.618091][ T5057] RBP: ffffc90003d1f5d0 R08: ffffffff8171771c R09: 1ffff920007a3df0 [ 60.626099][ T5057] R10: dffffc0000000000 R11: fffff520007a3df1 R12: ffffffff8b7c21c0 [ 60.634108][ T5057] R13: ffffc90003d1f500 R14: ffffffff8d139fe2 R15: ffff888079496660 [ 60.642380][ T5057] FS: 000055555727a380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 60.651366][ T5057] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.658490][ T5057] CR2: 00000000005fdeb8 CR3: 000000007759a000 CR4: 00000000003506f0 [ 60.666604][ T5057] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 60.674885][ T5057] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 60.683100][ T5057] Kernel panic - not syncing: Fatal exception [ 60.689550][ T5057] Kernel Offset: disabled [ 60.693982][ T5057] Rebooting in 86400 seconds..