REISERFS panic (device loop3): 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 ------------[ cut here ]------------ kernel BUG at fs/reiserfs/prints.c:390! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 2 PID: 15152 Comm: syz-executor.3 Not tainted 6.6.0-rc4-syzkaller-00029-gcbf3a2cb156a #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:__reiserfs_panic+0x100/0x150 fs/reiserfs/prints.c:390 Code: 60 ff 4d 89 e8 4c 89 f1 4c 89 e2 48 8d b3 58 06 00 00 49 c7 c1 20 63 3a 92 48 c7 c7 40 b6 a2 8a e8 65 9d 43 ff e8 d0 7b 60 ff <0f> 0b 49 c7 c6 e0 b4 a2 8a 4d 89 f4 eb c5 e8 bd 7b 60 ff 4d 85 e4 RSP: 0018:ffffc9000349f660 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff88800042c000 RCX: ffffc9002b021000 RDX: 0000000000040000 RSI: ffffffff82274af0 RDI: 0000000000000005 RBP: ffffc9000349f730 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000053494552 R12: ffffffff8aa246c0 R13: ffffffff8aa25420 R14: ffffffff8aa2b4a0 R15: ffff88806e2c81d0 FS: 0000000000000000(0000) GS:ffff88802c800000(0063) knlGS:00000000f7f5db40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000055bb559c9131 CR3: 00000000664b3000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: update_stat_data fs/reiserfs/inode.c:1422 [inline] reiserfs_update_sd_size+0x765/0xcc0 fs/reiserfs/inode.c:1495 reiserfs_update_sd fs/reiserfs/reiserfs.h:3098 [inline] reiserfs_mkdir+0x6d5/0x9a0 fs/reiserfs/namei.c:875 xattr_mkdir fs/reiserfs/xattr.c:77 [inline] create_privroot fs/reiserfs/xattr.c:891 [inline] reiserfs_xattr_init+0x57f/0xbb0 fs/reiserfs/xattr.c:1007 reiserfs_fill_super+0x2139/0x3150 fs/reiserfs/super.c:2175 mount_bdev+0x1f3/0x2e0 fs/super.c:1629 legacy_get_tree+0x109/0x220 fs/fs_context.c:638 vfs_get_tree+0x8c/0x370 fs/super.c:1750 do_new_mount fs/namespace.c:3335 [inline] path_mount+0x1492/0x1ed0 fs/namespace.c:3662 do_mount fs/namespace.c:3675 [inline] __do_sys_mount fs/namespace.c:3884 [inline] __se_sys_mount fs/namespace.c:3861 [inline] __ia32_sys_mount+0x291/0x310 fs/namespace.c:3861 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline] __do_fast_syscall_32+0x61/0xe0 arch/x86/entry/common.c:178 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x70/0x82 RIP: 0023:0xf7f62579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f7f5d3f0 EFLAGS: 00000296 ORIG_RAX: 0000000000000015 RAX: ffffffffffffffda RBX: 00000000f7f5d460 RCX: 0000000020010040 RDX: 0000000020010000 RSI: 0000000000000000 RDI: 00000000f7f5d4a0 RBP: 0000000020010000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__reiserfs_panic+0x100/0x150 fs/reiserfs/prints.c:390 Code: 60 ff 4d 89 e8 4c 89 f1 4c 89 e2 48 8d b3 58 06 00 00 49 c7 c1 20 63 3a 92 48 c7 c7 40 b6 a2 8a e8 65 9d 43 ff e8 d0 7b 60 ff <0f> 0b 49 c7 c6 e0 b4 a2 8a 4d 89 f4 eb c5 e8 bd 7b 60 ff 4d 85 e4 RSP: 0018:ffffc9000349f660 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff88800042c000 RCX: ffffc9002b021000 RDX: 0000000000040000 RSI: ffffffff82274af0 RDI: 0000000000000005 RBP: ffffc9000349f730 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000053494552 R12: ffffffff8aa246c0 R13: ffffffff8aa25420 R14: ffffffff8aa2b4a0 R15: ffff88806e2c81d0 FS: 0000000000000000(0000) GS:ffff88802c800000(0063) knlGS:00000000f7f5db40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000055bb559c9131 CR3: 00000000664b3000 CR4: 0000000000350ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi