./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2881701034 <...> Warning: Permanently added '10.128.1.62' (ED25519) to the list of known hosts. execve("./syz-executor2881701034", ["./syz-executor2881701034"], 0x7ffe65761a50 /* 10 vars */) = 0 brk(NULL) = 0x55555660f000 brk(0x55555660fd00) = 0x55555660fd00 arch_prctl(ARCH_SET_FS, 0x55555660f380) = 0 set_tid_address(0x55555660f650) = 5018 set_robust_list(0x55555660f660, 24) = 0 rseq(0x55555660fca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2881701034", 4096) = 28 getrandom("\xea\x03\x5d\x75\x17\xfb\x5c\x65", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555660fd00 brk(0x555556630d00) = 0x555556630d00 brk(0x555556631000) = 0x555556631000 mprotect(0x7f4513a42000, 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) = 0x7f450b591000 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(0x7f450b591000, 4194304) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 mkdir("./file0", 0777) = 0 [ 42.391124][ T5018] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5018 'syz-executor288' [ 42.423446][ T5018] loop0: detected capacity change from 0 to 8192 [ 42.433628][ T5018] REISERFS warning: read_super_block: reiserfs filesystem is deprecated and scheduled to be removed from the kernel in 2025 [ 42.446765][ T5018] REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal [ 42.456262][ T5018] REISERFS (device loop0): using ordered data mode [ 42.462824][ T5018] reiserfs: using flush barriers [ 42.468813][ T5018] 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 [ 42.485549][ T5018] REISERFS (device loop0): checking transaction log (loop0) [ 42.515385][ T5018] REISERFS (device loop0): Using r5 hash to sort names [ 42.522807][ T5018] 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 [ 42.539887][ T5018] ------------[ cut here ]------------ [ 42.545340][ T5018] kernel BUG at fs/reiserfs/prints.c:390! [ 42.551081][ T5018] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 42.557145][ T5018] CPU: 1 PID: 5018 Comm: syz-executor288 Not tainted 6.5.0-rc2-syzkaller-00019-g74f1456c4a5f #0 [ 42.567531][ T5018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 [ 42.577647][ T5018] RIP: 0010:__reiserfs_panic+0x100/0x150 [ 42.583275][ T5018] Code: 63 ff 4d 89 e8 4c 89 f1 4c 89 e2 48 8d b3 58 06 00 00 49 c7 c1 80 c5 24 92 48 c7 c7 c0 11 82 8a e8 a5 ab 46 ff e8 50 48 63 ff <0f> 0b 49 c7 c6 60 10 82 8a 4d 89 f4 eb c5 e8 3d 48 63 ff 4d 85 e4 [ 42.602861][ T5018] RSP: 0018:ffffc90003aff6f0 EFLAGS: 00010293 [ 42.608907][ T5018] RAX: 0000000000000000 RBX: ffff888078cfe000 RCX: 0000000000000000 [ 42.616852][ T5018] RDX: ffff888029db3b80 RSI: ffffffff82232930 RDI: 0000000000000005 [ 42.624798][ T5018] RBP: ffffc90003aff7c0 R08: 0000000000000005 R09: 0000000000000000 [ 42.632752][ T5018] R10: 0000000080000000 R11: 0000000000000001 R12: ffffffff8a81a2c0 [ 42.640717][ T5018] R13: ffffffff8a81b020 R14: ffffffff8a821020 R15: ffff888075253e80 [ 42.648666][ T5018] FS: 000055555660f380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 42.657574][ T5018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.664138][ T5018] CR2: 00000000005fdeb8 CR3: 0000000078319000 CR4: 0000000000350ee0 [ 42.672176][ T5018] Call Trace: [ 42.675431][ T5018] [ 42.678339][ T5018] ? die+0x31/0x80 [ 42.682039][ T5018] ? do_trap+0x1ab/0x3b0 [ 42.686257][ T5018] ? __reiserfs_panic+0x100/0x150 [ 42.691261][ T5018] ? do_error_trap+0x9e/0x160 [ 42.695917][ T5018] ? __reiserfs_panic+0x100/0x150 [ 42.700917][ T5018] ? handle_invalid_op+0x2c/0x30 [ 42.705834][ T5018] ? __reiserfs_panic+0x100/0x150 [ 42.710836][ T5018] ? exc_invalid_op+0x2d/0x40 [ 42.715496][ T5018] ? asm_exc_invalid_op+0x1a/0x20 [ 42.720495][ T5018] ? __reiserfs_panic+0x100/0x150 [ 42.725494][ T5018] ? __reiserfs_panic+0x100/0x150 [ 42.730496][ T5018] ? reiserfs_debug+0x10/0x10 [ 42.735240][ T5018] reiserfs_update_sd_size+0x765/0xcc0 [ 42.740677][ T5018] ? make_le_item_head+0x580/0x580 [ 42.745772][ T5018] ? reiserfs_mkdir+0x6d5/0x9a0 [ 42.750605][ T5018] reiserfs_mkdir+0x6d5/0x9a0 [ 42.755261][ T5018] ? reiserfs_mknod+0x740/0x740 [ 42.760088][ T5018] ? reiserfs_lookup_privroot+0x19b/0x200 [ 42.765789][ T5018] ? down_write_killable_nested+0x250/0x250 [ 42.771672][ T5018] reiserfs_xattr_init+0x57f/0xbb0 [ 42.776766][ T5018] reiserfs_fill_super+0x2139/0x3150 [ 42.782029][ T5018] ? reiserfs_remount+0x1640/0x1640 [ 42.787203][ T5018] ? reacquire_held_locks+0x4b0/0x4b0 [ 42.792556][ T5018] ? snprintf+0xc8/0x100 [ 42.796781][ T5018] ? reiserfs_remount+0x1640/0x1640 [ 42.801961][ T5018] mount_bdev+0x30d/0x3d0 [ 42.806269][ T5018] ? reiserfs_kill_sb+0x1e0/0x1e0 [ 42.811271][ T5018] legacy_get_tree+0x109/0x220 [ 42.816012][ T5018] vfs_get_tree+0x88/0x350 [ 42.820401][ T5018] path_mount+0x1492/0x1ed0 [ 42.824877][ T5018] ? kmem_cache_free+0xf0/0x490 [ 42.829707][ T5018] ? finish_automount+0xa50/0xa50 [ 42.834706][ T5018] ? putname+0x101/0x140 [ 42.838946][ T5018] __x64_sys_mount+0x293/0x310 [ 42.843681][ T5018] ? copy_mnt_ns+0xb60/0xb60 [ 42.848245][ T5018] ? lockdep_hardirqs_on+0x7d/0x100 [ 42.853421][ T5018] ? _raw_spin_unlock_irq+0x2e/0x50 [ 42.858596][ T5018] ? ptrace_notify+0xf4/0x130 [ 42.863249][ T5018] do_syscall_64+0x38/0xb0 [ 42.867637][ T5018] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 42.873528][ T5018] RIP: 0033:0x7f45139cf8ba [ 42.877923][ T5018] 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 [ 42.897504][ T5018] RSP: 002b:00007ffdd1fcc608 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 [ 42.905892][ T5018] RAX: ffffffffffffffda RBX: 00007ffdd1fcc620 RCX: 00007f45139cf8ba [ 42.913927][ T5018] RDX: 0000000020001100 RSI: 00000000200000c0 RDI: 00007ffdd1fcc620 [ 42.921873][ T5018] RBP: 0000000000000004 R08: 00007ffdd1fcc660 R09: 00000000000010f1 [ 42.929819][ T5018] R10: 0000000000800008 R11: 0000000000000286 R12: 0000000000800008 [ 42.937764][ T5018] R13: 00007ffdd1fcc660 R14: 0000000000000003 R15: 0000000000400000 [ 42.945710][ T5018] [ 42.948709][ T5018] Modules linked in: [ 42.952748][ T5018] ---[ end trace 0000000000000000 ]--- [ 42.958248][ T5018] RIP: 0010:__reiserfs_panic+0x100/0x150 [ 42.963907][ T5018] Code: 63 ff 4d 89 e8 4c 89 f1 4c 89 e2 48 8d b3 58 06 00 00 49 c7 c1 80 c5 24 92 48 c7 c7 c0 11 82 8a e8 a5 ab 46 ff e8 50 48 63 ff <0f> 0b 49 c7 c6 60 10 82 8a 4d 89 f4 eb c5 e8 3d 48 63 ff 4d 85 e4 [ 42.983575][ T5018] RSP: 0018:ffffc90003aff6f0 EFLAGS: 00010293 [ 42.989704][ T5018] RAX: 0000000000000000 RBX: ffff888078cfe000 RCX: 0000000000000000 [ 42.997685][ T5018] RDX: ffff888029db3b80 RSI: ffffffff82232930 RDI: 0000000000000005 [ 43.005690][ T5018] RBP: ffffc90003aff7c0 R08: 0000000000000005 R09: 0000000000000000 [ 43.013694][ T5018] R10: 0000000080000000 R11: 0000000000000001 R12: ffffffff8a81a2c0 [ 43.021699][ T5018] R13: ffffffff8a81b020 R14: ffffffff8a821020 R15: ffff888075253e80 [ 43.029724][ T5018] FS: 000055555660f380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 43.038681][ T5018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.045270][ T5018] CR2: 00000000005fdeb8 CR3: 0000000078319000 CR4: 0000000000350ee0 [ 43.053360][ T5018] Kernel panic - not syncing: Fatal exception [ 43.060324][ T5018] Kernel Offset: disabled [ 43.064637][ T5018] Rebooting in 86400 seconds..