EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. ------------[ cut here ]------------ kernel BUG at fs/ext4/ext4_jbd2.c:53! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 1 UID: 0 PID: 6152 Comm: syz-executor.0 Not tainted 6.12.0-rc4-syzkaller-g3964f82a4dfc #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:ext4_put_nojournal fs/ext4/ext4_jbd2.c:53 [inline] RIP: 0010:__ext4_journal_stop+0x1d7/0x210 fs/ext4/ext4_jbd2.c:123 Code: 85 ed 41 0f 45 dd e8 88 34 46 ff 89 d8 5b 5d 41 5c 41 5d 41 5e c3 cc cc cc cc e8 f4 b3 a7 ff e9 8d fe ff ff e8 6a 34 46 ff 90 <0f> 0b 4c 89 f7 e8 0f b4 a7 ff e9 c3 fe ff ff e8 05 b4 a7 ff e9 de RSP: 0018:ffffc90003157908 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff824748e7 RDX: ffff888022d12440 RSI: ffffffff82474a96 RDI: 0000000000000007 RBP: ffffffff8b85bc40 R08: 0000000000000007 R09: 0000000000000fff R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000329 R13: 0000000000000009 R14: 0000000000000012 R15: 0000000000000004 FS: 00007f82782ff6c0(0000) GS:ffff88806a700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055f94922b300 CR3: 0000000035d0a000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_write_inline_data_end+0x4c2/0xc50 fs/ext4/inline.c:809 ext4_da_write_end+0x54e/0xd00 fs/ext4/inode.c:3065 generic_perform_write+0x4e5/0x920 mm/filemap.c:4069 ext4_buffered_write_iter+0x119/0x3c0 fs/ext4/file.c:299 ext4_file_write_iter+0x861/0x19d0 fs/ext4/file.c:698 new_sync_write fs/read_write.c:590 [inline] vfs_write+0x6b5/0x1140 fs/read_write.c:683 ksys_write+0x12f/0x260 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f827767dda9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f82782ff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f82777abf80 RCX: 00007f827767dda9 RDX: 0000000000000009 RSI: 0000000020000f80 RDI: 0000000000000004 RBP: 00007f82776ca47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f82777abf80 R15: 00007ffd778d7088 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_put_nojournal fs/ext4/ext4_jbd2.c:53 [inline] RIP: 0010:__ext4_journal_stop+0x1d7/0x210 fs/ext4/ext4_jbd2.c:123 Code: 85 ed 41 0f 45 dd e8 88 34 46 ff 89 d8 5b 5d 41 5c 41 5d 41 5e c3 cc cc cc cc e8 f4 b3 a7 ff e9 8d fe ff ff e8 6a 34 46 ff 90 <0f> 0b 4c 89 f7 e8 0f b4 a7 ff e9 c3 fe ff ff e8 05 b4 a7 ff e9 de RSP: 0018:ffffc90003157908 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff824748e7 RDX: ffff888022d12440 RSI: ffffffff82474a96 RDI: 0000000000000007 RBP: ffffffff8b85bc40 R08: 0000000000000007 R09: 0000000000000fff R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000329 R13: 0000000000000009 R14: 0000000000000012 R15: 0000000000000004 FS: 00007f82782ff6c0(0000) GS:ffff88806a800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005566b240b300 CR3: 0000000035d0a000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400