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:54! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 3 UID: 0 PID: 6176 Comm: syz-executor.0 Not tainted 6.16.0-syzkaller-12250-gc30a13538d9f #0 PREEMPT(full) 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:54 [inline] RIP: 0010:__ext4_journal_stop+0x1d7/0x210 fs/ext4/ext4_jbd2.c:126 Code: 85 ed 41 0f 45 dd e8 08 4c 4a ff 89 d8 5b 5d 41 5c 41 5d 41 5e c3 cc cc cc cc e8 24 a4 b0 ff e9 8d fe ff ff e8 ea 4b 4a ff 90 <0f> 0b 4c 89 f7 e8 3f a4 b0 ff e9 c3 fe ff ff e8 35 a4 b0 ff e9 de RSP: 0018:ffffc900043ff910 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff82714587 RDX: ffff88802e94a440 RSI: ffffffff82714736 RDI: 0000000000000007 RBP: ffffffff8bc627e0 R08: 0000000000000007 R09: 0000000000000fff R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000034a R13: 0000000000000009 R14: 0000000000000012 R15: 0000000000000004 FS: 00007f2db44246c0(0000) GS:ffff8880d69bd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f68433a8000 CR3: 00000000264dd000 CR4: 0000000000352ef0 Call Trace: ext4_write_inline_data_end+0x4fa/0xcb0 fs/ext4/inline.c:842 ext4_da_write_end+0xb9d/0xf00 fs/ext4/inode.c:3285 generic_perform_write+0x263/0x900 mm/filemap.c:4196 ext4_buffered_write_iter+0x119/0x440 fs/ext4/file.c:299 ext4_file_write_iter+0xa4c/0x1d10 fs/ext4/file.c:723 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x7d3/0x11d0 fs/read_write.c:686 ksys_write+0x12a/0x250 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2db367dda9 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:00007f2db44240c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f2db37abf80 RCX: 00007f2db367dda9 RDX: 0000000000000009 RSI: 0000000020000f80 RDI: 0000000000000004 RBP: 00007f2db36ca47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f2db37abf80 R15: 00007fffb546b738 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ext4_put_nojournal fs/ext4/ext4_jbd2.c:54 [inline] RIP: 0010:__ext4_journal_stop+0x1d7/0x210 fs/ext4/ext4_jbd2.c:126 Code: 85 ed 41 0f 45 dd e8 08 4c 4a ff 89 d8 5b 5d 41 5c 41 5d 41 5e c3 cc cc cc cc e8 24 a4 b0 ff e9 8d fe ff ff e8 ea 4b 4a ff 90 <0f> 0b 4c 89 f7 e8 3f a4 b0 ff e9 c3 fe ff ff e8 35 a4 b0 ff e9 de RSP: 0018:ffffc900043ff910 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff82714587 RDX: ffff88802e94a440 RSI: ffffffff82714736 RDI: 0000000000000007 RBP: ffffffff8bc627e0 R08: 0000000000000007 R09: 0000000000000fff R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000034a R13: 0000000000000009 R14: 0000000000000012 R15: 0000000000000004 FS: 00007f2db44246c0(0000) GS:ffff8880d68bd000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000056078be37300 CR3: 00000000264dd000 CR4: 0000000000352ef0