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WARNING: CPU: 3 PID: 8377 at fs/buffer.c:1122 mark_buffer_dirty+0x4fa/0x690 fs/buffer.c:1122
Kernel panic - not syncing: panic_on_warn set ...
CPU: 3 PID: 8377 Comm: syz-executor.2 Not tainted 5.6.0-syzkaller #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x188/0x20d lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:221
 __warn.cold+0x2f/0x35 kernel/panic.c:582
 report_bug+0x27b/0x2f0 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:175 [inline]
 fixup_bug arch/x86/kernel/traps.c:170 [inline]
 do_error_trap+0x12b/0x220 arch/x86/kernel/traps.c:267
 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:mark_buffer_dirty+0x4fa/0x690 fs/buffer.c:1122
Code: 03 80 3c 02 00 0f 85 99 01 00 00 48 8b 3b be 04 00 00 00 e8 d8 e2 fc ff 5b 5d 41 5c 41 5d 41 5e e9 db 6d a9 ff e8 d6 6d a9 ff <0f> 0b e9 4f fb ff ff e8 ca 6d a9 ff 0f 0b e9 73 fb ff ff e8 be 6d
RSP: 0018:ffffc90002b17b08 EFLAGS: 00010293
RAX: ffff88801c73c600 RBX: ffff888025b1fd98 RCX: ffffffff81c98197
RDX: 0000000000000000 RSI: ffffffff81c9864a RDI: 0000000000000001
RBP: 0000000000000000 R08: ffff88801c73c600 R09: ffffed1004b63fb4
R10: ffffed1004b63fb3 R11: ffff888025b1fd9f R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000001
 __ext4_handle_dirty_metadata+0x41d/0x7a0 fs/ext4/ext4_jbd2.c:338
 ext4_free_inode+0xd23/0x17e0 fs/ext4/ialloc.c:340
 ext4_evict_inode+0xe1d/0x1470 fs/ext4/inode.c:315
 evict+0x2ed/0x650 fs/inode.c:576
 iput_final fs/inode.c:1572 [inline]
 iput+0x536/0x8c0 fs/inode.c:1598
 do_unlinkat+0x417/0x680 fs/namei.c:4143
 do_syscall_32_irqs_on arch/x86/entry/common.c:337 [inline]
 do_fast_syscall_32+0x270/0xe90 arch/x86/entry/common.c:396
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
Kernel Offset: disabled
Rebooting in 86400 seconds..