REISERFS (device loop0): using 3.5.x disk format REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. ------------[ cut here ]------------ kernel BUG at fs/reiserfs/journal.c:3038! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 27791 Comm: syz-executor.0 Not tainted 6.4.0-rc4-syzkaller-00013-ge338142b39cf #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 RIP: 0010:do_journal_begin_r+0xded/0x10e0 fs/reiserfs/journal.c:3038 Code: 0f 8e a0 01 00 00 8b 5b 08 bf 01 00 00 00 89 de e8 78 92 61 ff 83 fb 01 0f 8e 71 f7 ff ff e8 4a 96 61 ff 0f 0b e8 43 96 61 ff <0f> 0b e8 3c 96 61 ff e8 27 4f 51 ff 48 89 ea 48 89 c3 48 c1 ea 03 RSP: 0018:ffffc90005a77b60 EFLAGS: 00010212 RAX: 0000000000002cd1 RBX: 0000000000000100 RCX: ffffc90003e1c000 RDX: 0000000000040000 RSI: ffffffff8221d2fd RDI: 0000000000000006 RBP: 0000000018a205fa R08: 0000000000000006 R09: 0000000000000100 R10: 0000000018a205fa R11: 0000000000094001 R12: ffff88802caca0c0 R13: 0000000018a205fa R14: ffffc90003a1b000 R15: ffff88805c8d4000 FS: 00007fd9bb6b9700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000204a1000 CR3: 0000000078087000 CR4: 00000000003506f0 DR0: 00000000ffff070c DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: journal_begin+0x166/0x400 fs/reiserfs/journal.c:3253 reiserfs_mkdir+0x34e/0x990 fs/reiserfs/namei.c:831 vfs_mkdir+0x242/0x460 fs/namei.c:4115 do_mkdirat+0x28d/0x310 fs/namei.c:4138 __do_sys_mkdirat fs/namei.c:4153 [inline] __se_sys_mkdirat fs/namei.c:4151 [inline] __x64_sys_mkdirat+0x119/0x170 fs/namei.c:4151 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fd9ba88c169 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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 RSP: 002b:00007fd9bb6b9168 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007fd9ba9abf80 RCX: 00007fd9ba88c169 RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c RBP: 00007fd9ba8e7ca1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffae24769f R14: 00007fd9bb6b9300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:do_journal_begin_r+0xded/0x10e0 fs/reiserfs/journal.c:3038 Code: 0f 8e a0 01 00 00 8b 5b 08 bf 01 00 00 00 89 de e8 78 92 61 ff 83 fb 01 0f 8e 71 f7 ff ff e8 4a 96 61 ff 0f 0b e8 43 96 61 ff <0f> 0b e8 3c 96 61 ff e8 27 4f 51 ff 48 89 ea 48 89 c3 48 c1 ea 03 RSP: 0018:ffffc90005a77b60 EFLAGS: 00010212 RAX: 0000000000002cd1 RBX: 0000000000000100 RCX: ffffc90003e1c000 RDX: 0000000000040000 RSI: ffffffff8221d2fd RDI: 0000000000000006 RBP: 0000000018a205fa R08: 0000000000000006 R09: 0000000000000100 R10: 0000000018a205fa R11: 0000000000094001 R12: ffff88802caca0c0 R13: 0000000018a205fa R14: ffffc90003a1b000 R15: ffff88805c8d4000 FS: 00007fd9bb6b9700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b32830000 CR3: 0000000078087000 CR4: 00000000003506e0 DR0: 00000000ffff070c DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400