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WARNING: CPU: 3 PID: 9568 at fs/buffer.c:1128 mark_buffer_dirty+0x524/0x6c0 fs/buffer.c:1128
Kernel panic - not syncing: panic_on_warn set ...
CPU: 3 PID: 9568 Comm: syz-executor.3 Not tainted 5.6.0-rc2-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+0x197/0x210 lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:221
 __warn.cold+0x2f/0x3e kernel/panic.c:582
 report_bug+0x289/0x300 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 fixup_bug arch/x86/kernel/traps.c:169 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:267
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:286
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:mark_buffer_dirty+0x524/0x6c0 fs/buffer.c:1128
Code: 02 00 0f 85 9e 01 00 00 48 8b 3b be 04 00 00 00 e8 71 c9 fc ff e8 5c 15 a7 ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 4c 15 a7 ff <0f> 0b e9 2c fb ff ff e8 40 15 a7 ff 0f 0b e9 53 fb ff ff e8 34 15
RSP: 0000:ffffc90005097a98 EFLAGS: 00010293
RAX: ffff88805dc05cc0 RBX: ffff888076427690 RCX: ffffffff81ce770e
RDX: 0000000000000000 RSI: ffffffff81ce7be4 RDI: 0000000000000001
RBP: ffffc90005097ac0 R08: ffff88805dc05cc0 R09: ffffed100ec84ed3
R10: ffffed100ec84ed2 R11: ffff888076427697 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffff888072c54000
 __ext4_handle_dirty_metadata+0x421/0x7a0 fs/ext4/ext4_jbd2.c:338
 __ext4_new_inode+0x20bf/0x4fa0 fs/ext4/ialloc.c:1068
 ext4_symlink+0x4b7/0xf50 fs/ext4/namei.c:3294
 vfs_symlink fs/namei.c:4201 [inline]
 vfs_symlink+0x373/0x5a0 fs/namei.c:4187
 do_symlinkat+0x22b/0x290 fs/namei.c:4228
 __do_sys_symlink fs/namei.c:4247 [inline]
 __se_sys_symlink fs/namei.c:4245 [inline]
 __ia32_sys_symlink+0x57/0x80 fs/namei.c:4245
 do_syscall_32_irqs_on arch/x86/entry/common.c:337 [inline]
 do_fast_syscall_32+0x27b/0xe16 arch/x86/entry/common.c:408
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7f96e39
Code: 1d 00 00 00 89 d3 5b 5e 5d c3 8b 04 24 c3 8b 1c 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000ffbc94cc EFLAGS: 00000286 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00000000ffbc9574 RCX: 00000000080d9461
RDX: 0000000008130000 RSI: 0000000000000000 RDI: 00000000ffbc9574
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..