------------[ cut here ]------------ kernel BUG at fs/reiserfs/journal.c:3038! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 26891 Comm: syz-executor.3 Not tainted 6.4.0-rc6-syzkaller-00037-gb6dad5178cea #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 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 b8 83 61 ff 83 fb 01 0f 8e 71 f7 ff ff e8 8a 87 61 ff 0f 0b e8 83 87 61 ff <0f> 0b e8 7c 87 61 ff e8 c7 40 51 ff 48 89 ea 48 89 c3 48 c1 ea 03 RSP: 0018:ffffc90005b07b60 EFLAGS: 00010216 RAX: 0000000000019fd3 RBX: 0000000000000100 RCX: ffffc90006459000 RDX: 0000000000040000 RSI: ffffffff8221e02d RDI: 0000000000000006 RBP: 00000000393d614b R08: 0000000000000006 R09: 0000000000000100 R10: 00000000393d614b R11: 1ffffffff218be39 R12: ffff88802f0f4040 R13: 00000000393d614b R14: ffffc90006c5d000 R15: ffff88802c9a0000 FS: 00007ff12da60700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d825000 CR3: 000000007e5a0000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 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: 0033:0x7ff12cc8b1b7 Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 02 01 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:00007ff12da5ff88 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff12cc8b1b7 RDX: 00000000000001ff RSI: 0000000020000180 RDI: 00000000ffffff9c RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000020000180 R14: 00007ff12da5ffe0 R15: 0000000000000000 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 b8 83 61 ff 83 fb 01 0f 8e 71 f7 ff ff e8 8a 87 61 ff 0f 0b e8 83 87 61 ff <0f> 0b e8 7c 87 61 ff e8 c7 40 51 ff 48 89 ea 48 89 c3 48 c1 ea 03 RSP: 0018:ffffc90005b07b60 EFLAGS: 00010216 RAX: 0000000000019fd3 RBX: 0000000000000100 RCX: ffffc90006459000 RDX: 0000000000040000 RSI: ffffffff8221e02d RDI: 0000000000000006 RBP: 00000000393d614b R08: 0000000000000006 R09: 0000000000000100 R10: 00000000393d614b R11: 1ffffffff218be39 R12: ffff88802f0f4040 R13: 00000000393d614b R14: ffffc90006c5d000 R15: ffff88802c9a0000 FS: 00007ff12da60700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2dc2e000 CR3: 000000007e5a0000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400