Kernel panic - not syncing: kernel: panic_on_warn set ...
CPU: 0 PID: 271 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 __dump_stack+0x21/0x24 lib/dump_stack.c:77
 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118
 dump_stack+0x15/0x1c lib/dump_stack.c:135
 panic+0x2d5/0x800 kernel/panic.c:308
 check_panic_on_warn kernel/panic.c:228 [inline]
 __warn+0x23a/0x2a0 kernel/panic.c:682
 report_bug+0x3ba/0x590 lib/bug.c:204
 handle_bug+0x3e/0x60 arch/x86/kernel/traps.c:235
 exc_invalid_op+0x1b/0x50 arch/x86/kernel/traps.c:255
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:569
RIP: 0010:__mark_inode_dirty+0x650/0x960 fs/fs-writeback.c:2319
Code: fc ff df 41 80 7c 05 00 00 74 08 4c 89 ff e8 a7 f4 ec ff 49 8b 3f e8 0f af de ff 48 c7 c7 60 62 29 85 48 89 c6 e8 10 c3 c6 02 <0f> 0b e9 2f fe ff ff 44 89 f1 80 e1 07 fe c1 38 c1 0f 8c 8e fc ff
RSP: 0000:ffffc90000b977d8 EFLAGS: 00010246
RAX: defc91d1f21f6b00 RBX: 1ffff110236824b4 RCX: ffff88811e1b62c0
RDX: 0000000000000000 RSI: 0000000080000001 RDI: 0000000000000000
RBP: ffffc90000b97820 R08: ffffc90000b97167 R09: fffff52000172e60
R10: dffffc0000000000 R11: fffff52000172e2d R12: ffff888100997068
R13: 1ffff11020132e0c R14: 0000000000000000 R15: ffff888100997060
 mark_buffer_dirty+0x21b/0x330 fs/buffer.c:1143
 __block_commit_write+0x1ab/0x240 fs/buffer.c:2115
 block_commit_write fs/buffer.c:2507 [inline]
 block_page_mkwrite+0x239/0x270 fs/buffer.c:2556
 ext4_page_mkwrite+0xb02/0x12f0 fs/ext4/inode.c:6322
 do_page_mkwrite mm/memory.c:3037 [inline]
 wp_page_shared+0x45f/0x740 mm/memory.c:3372
 do_wp_page+0xb68/0xd00 mm/memory.c:3476
 handle_pte_fault+0xbc3/0x3910 mm/memory.c:4819
 __handle_mm_fault mm/memory.c:4953 [inline]
 handle_mm_fault+0xf86/0x1720 mm/memory.c:5367
 do_user_addr_fault+0x576/0xe20 arch/x86/mm/fault.c:1343
 handle_page_fault arch/x86/mm/fault.c:1436 [inline]
 exc_page_fault+0x5a/0xc0 arch/x86/mm/fault.c:1492
 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:571
RIP: 0033:0x7fc47fb3e627
Code: 42 08 00 00 48 89 ca 48 c1 e0 0e 48 83 c6 08 48 c1 ea 06 48 c1 e9 03 48 01 f8 bf 01 00 00 00 81 e2 ff 3f 00 00 83 e1 07 d3 e7 <40> 08 bc 02 20 20 00 00 49 39 f1 0f 85 92 fe ff ff 48 8b 44 24 10
RSP: 002b:00007ffd16b69670 EFLAGS: 00010202
RAX: 00007fc47dafe000 RBX: 000055557a7c8430 RCX: 0000000000000003
RDX: 0000000000003176 RSI: 000055557a7c7008 RDI: 0000000000000008
RBP: 00007ffd16b69b70 R08: 0000000000000039 R09: 000055557a7c7008
R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd16b699b0
R13: 00007ffd16b697a0 R14: 585858582e7a7973 R15: 00007ffd16b696f0
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..