------------[ cut here ]------------ kernel BUG at fs/ext4/ext4_jbd2.c:53! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 1 UID: 0 PID: 6756 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 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:125 Code: 85 ed 41 0f 45 dd e8 48 bf 3f ff 89 d8 5b 5d 41 5c 41 5d 41 5e c3 cc cc cc cc e8 84 53 ac ff e9 8d fe ff ff e8 2a bf 3f ff 90 <0f> 0b 4c 89 f7 e8 9f 53 ac ff e9 c3 fe ff ff e8 95 53 ac ff e9 de RSP: 0018:ffffc90005c2f900 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff82c936c7 RDX: ffff8880346d4980 RSI: ffffffff82c93876 RDI: ffff8880346d4980 RBP: ffffffff8bccbe20 R08: 0000000000000007 R09: 0000000000000fff R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000035c R13: 0000000000000009 R14: 0000000000000012 R15: 0000000000000004 FS: 00007f5ad7c996c0(0000) GS:ffff8880d6438000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc50e0db788 CR3: 0000000025b8f000 CR4: 0000000000352ef0 Call Trace: ext4_write_inline_data_end+0x562/0xdb0 fs/ext4/inline.c:860 ext4_da_write_end+0x557/0xf90 fs/ext4/inode.c:3289 generic_perform_write+0x513/0xa40 mm/filemap.c:4345 ext4_buffered_write_iter+0x119/0x440 fs/ext4/file.c:300 ext4_file_write_iter+0xa2f/0x1d40 fs/ext4/file.c:719 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x6ac/0x1070 fs/read_write.c:688 ksys_write+0x12a/0x250 fs/read_write.c:740 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5ad6e6e3b9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 d0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f5ad7c99078 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f5ad6fabf80 RCX: 00007f5ad6e6e3b9 RDX: 0000000000000009 RSI: 0000000020000f80 RDI: 0000000000000004 RBP: 00007f5ad6ecf4c2 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f5ad6fabf80 R15: 00007ffc790e7368 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:125 Code: 85 ed 41 0f 45 dd e8 48 bf 3f ff 89 d8 5b 5d 41 5c 41 5d 41 5e c3 cc cc cc cc e8 84 53 ac ff e9 8d fe ff ff e8 2a bf 3f ff 90 <0f> 0b 4c 89 f7 e8 9f 53 ac ff e9 c3 fe ff ff e8 95 53 ac ff e9 de RSP: 0018:ffffc90005c2f900 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff82c936c7 RDX: ffff8880346d4980 RSI: ffffffff82c93876 RDI: ffff8880346d4980 RBP: ffffffff8bccbe20 R08: 0000000000000007 R09: 0000000000000fff R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000035c R13: 0000000000000009 R14: 0000000000000012 R15: 0000000000000004 FS: 00007f5ad7c996c0(0000) GS:ffff8880d6438000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc50e0db788 CR3: 0000000025b8f000 CR4: 0000000000352ef0