REISERFS (device loop1): using ordered data mode reiserfs: using flush barriers ------------[ cut here ]------------ kernel BUG at fs/reiserfs/prints.c:390! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 27424 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 RIP: 0010:__reiserfs_panic.cold+0x37/0x8a fs/reiserfs/prints.c:390 Code: 79 88 74 6d e8 f8 d1 6c f9 4c 89 e9 4c 89 f2 4c 89 e6 49 c7 c0 e0 33 2f 8d 48 c7 c7 a0 4e 79 88 e8 47 03 fe ff e8 d7 d1 6c f9 <0f> 0b e8 d0 d1 6c f9 4d 85 e4 49 c7 c6 e0 4c 79 88 75 0a 49 c7 c6 RSP: 0018:ffff8880af7df6f0 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff8880990442c0 RCX: ffffc90005c24000 RDX: 0000000000040000 RSI: ffffffff87f5b399 RDI: ffffed1015efbed0 RBP: ffff8880af7df7c0 R08: 00000000000000a6 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffffffff8878e0e0 R13: ffffffff8878ee80 R14: ffffffff88794ce0 R15: ffff8880af7df8c8 FS: 00007f5c6fd51700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1c624a1000 CR3: 00000000a84f0000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: update_stat_data fs/reiserfs/inode.c:1434 [inline] reiserfs_update_sd_size+0x68c/0xb60 fs/reiserfs/inode.c:1507 reiserfs_update_sd fs/reiserfs/reiserfs.h:3101 [inline] reiserfs_mkdir+0x6b6/0x980 fs/reiserfs/namei.c:873 create_privroot fs/reiserfs/xattr.c:880 [inline] reiserfs_xattr_init+0x406/0xae0 fs/reiserfs/xattr.c:1002 reiserfs_remount+0x103c/0x1540 fs/reiserfs/super.c:1599 do_remount_sb+0x1a0/0x6a0 fs/super.c:888 do_remount fs/namespace.c:2313 [inline] do_mount+0x1a62/0x2f50 fs/namespace.c:2813 ksys_mount+0xcf/0x130 fs/namespace.c:3038 __do_sys_mount fs/namespace.c:3052 [inline] __se_sys_mount fs/namespace.c:3049 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3049 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f5c717e05fa Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 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 RSP: 002b:00007f5c6fd50f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5c717e05fa RDX: 00000000200000c0 RSI: 0000000020000100 RDI: 0000000000000000 RBP: 00007f5c6fd51020 R08: 00007f5c6fd51020 R09: 0000000001a484bc R10: 0000000001a484bc R11: 0000000000000202 R12: 00000000200000c0 R13: 0000000020000100 R14: 00007f5c6fd50fe0 R15: 00000000200007c0 Modules linked in: ---[ end trace 67cc2fef2cb61410 ]--- RIP: 0010:__reiserfs_panic.cold+0x37/0x8a fs/reiserfs/prints.c:390 Code: 79 88 74 6d e8 f8 d1 6c f9 4c 89 e9 4c 89 f2 4c 89 e6 49 c7 c0 e0 33 2f 8d 48 c7 c7 a0 4e 79 88 e8 47 03 fe ff e8 d7 d1 6c f9 <0f> 0b e8 d0 d1 6c f9 4d 85 e4 49 c7 c6 e0 4c 79 88 75 0a 49 c7 c6 REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 REISERFS (device loop1): checking transaction log (loop1) RSP: 0018:ffff8880af7df6f0 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff8880990442c0 RCX: ffffc90005c24000 REISERFS (device loop1): Using r5 hash to sort names RDX: 0000000000040000 RSI: ffffffff87f5b399 RDI: ffffed1015efbed0 reiserfs: enabling write barrier flush mode RBP: ffff8880af7df7c0 R08: 00000000000000a6 R09: 0000000000000000 REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. REISERFS (device loop3): found reiserfs format "3.5" with non-standard journal R10: 0000000000000005 R11: 0000000000000000 R12: ffffffff8878e0e0 audit: type=1800 audit(1675290001.252:10007): pid=27457 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.1" name="file0" dev="loop1" ino=2 res=0 REISERFS (device loop3): using ordered data mode R13: ffffffff8878ee80 R14: ffffffff88794ce0 R15: ffff8880af7df8c8 reiserfs: using flush barriers REISERFS (device loop5): found reiserfs format "3.5" with non-standard journal FS: 00007f5c6fd51700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 REISERFS (device loop5): using ordered data mode REISERFS (device loop3): journal params: device loop3, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 reiserfs: using flush barriers CR2: 00007ffc3a7dfc48 CR3: 00000000a84f0000 CR4: 00000000003406e0 REISERFS (device loop3): checking transaction log (loop3) REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 REISERFS (device loop3): Using r5 hash to sort names DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 reiserfs: enabling write barrier flush mode DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage. REISERFS (device loop5): checking transaction log (loop5)