------------[ cut here ]------------ kernel BUG at fs/jbd2/transaction.c:1182! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 321 Comm: syz-executor.1 Not tainted 5.4.233-syzkaller-00030-ga6b5274af71b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:jbd2_journal_get_create_access+0x488/0x490 fs/jbd2/transaction.c:1179 Code: fe ff ff 48 89 ef e8 07 74 c0 ff e9 e8 fe ff ff e8 3d ef 92 ff 0f 0b e8 36 ef 92 ff 0f 0b e8 2f ef 92 ff 0f 0b e8 28 ef 92 ff <0f> 0b 66 0f 1f 44 00 00 55 41 57 41 56 41 54 53 49 89 fc e8 10 ef RSP: 0018:ffff8881bf9f7870 EFLAGS: 00010293 RAX: ffffffff81d04a98 RBX: ffff8881baf51dc0 RCX: ffff8881de484ec0 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000002 RBP: 0000000000000003 R08: ffffffff81d047a6 R09: ffffed10367c97ba R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff8881ed8400b0 R14: ffff8881b3e4bdc8 R15: ffff8881b7598380 FS: 0000555555d99400(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002001027f CR3: 00000001bf9c7000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __ext4_journal_get_create_access+0x96/0x310 fs/ext4/ext4_jbd2.c:250 ext4_getblk+0x2d7/0x540 fs/ext4/inode.c:1018 ext4_bread+0x89/0x390 fs/ext4/inode.c:1045 ext4_append+0x297/0x4d0 fs/ext4/namei.c:83 ext4_init_new_dir fs/ext4/namei.c:2889 [inline] ext4_mkdir+0x777/0x1520 fs/ext4/namei.c:2934 vfs_mkdir+0x41f/0x600 fs/namei.c:3896 do_mkdirat+0x1a9/0x2c0 fs/namei.c:3919 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x5c/0xc1 Modules linked in: ---[ end trace 6bdfee95584d1885 ]--- RIP: 0010:jbd2_journal_get_create_access+0x488/0x490 fs/jbd2/transaction.c:1179 Code: fe ff ff 48 89 ef e8 07 74 c0 ff e9 e8 fe ff ff e8 3d ef 92 ff 0f 0b e8 36 ef 92 ff 0f 0b e8 2f ef 92 ff 0f 0b e8 28 ef 92 ff <0f> 0b 66 0f 1f 44 00 00 55 41 57 41 56 41 54 53 49 89 fc e8 10 ef RSP: 0018:ffff8881bf9f7870 EFLAGS: 00010293 RAX: ffffffff81d04a98 RBX: ffff8881baf51dc0 RCX: ffff8881de484ec0 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000002 RBP: 0000000000000003 R08: ffffffff81d047a6 R09: ffffed10367c97ba R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff8881ed8400b0 R14: ffff8881b3e4bdc8 R15: ffff8881b7598380 FS: 0000555555d99400(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002001027f CR3: 00000001bf9c7000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400