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kernel BUG at fs/ext4/inode.c:2777!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 406 Comm: syz-executor136 Not tainted 5.10.226-syzkaller-00709-ge5e5644ea27f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:ext4_writepages+0x3bdf/0x3c00 fs/ext4/inode.c:2776
Code: 3a 8c ff 31 ff 89 de e8 ff 39 8c ff 45 84 f6 75 27 e8 65 37 8c ff 49 be 00 00 00 00 00 fc ff df e9 0e f7 ff ff e8 51 37 8c ff <0f> 0b e8 4a 37 8c ff e8 71 06 22 ff eb 9b e8 3e 37 8c ff e8 65 06
RSP: 0018:ffffc90001197220 EFLAGS: 00010293
RAX: ffffffff81de759f RBX: 0000008000000000 RCX: ffff88810ef28000
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc90001197610 R08: ffffffff81de4013 R09: ffffed102397c0c8
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffffc90001197780 R14: 000000d410000000 R15: ffffc900011974e0
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff6c92e2e8 CR3: 000000011c703000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_writepages+0x12e/0x270 mm/page-writeback.c:2380
 __filemap_fdatawrite_range+0x33c/0x3f0 mm/filemap.c:427
 __filemap_fdatawrite mm/filemap.c:435 [inline]
 filemap_flush+0x23/0x30 mm/filemap.c:462
 ext4_alloc_da_blocks+0x77/0x1a0 fs/ext4/inode.c:3249
 ext4_release_file+0x84/0x310 fs/ext4/file.c:144
 __fput+0x33d/0x7b0 fs/file_table.c:281
 ____fput+0x15/0x20 fs/file_table.c:314
 task_work_run+0x129/0x190 kernel/task_work.c:189
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xc83/0x2a50 kernel/exit.c:863
 do_group_exit+0x141/0x310 kernel/exit.c:985
 get_signal+0x10a0/0x1410 kernel/signal.c:2790
 arch_do_signal_or_restart+0xbd/0x17c0 arch/x86/kernel/signal.c:805
 handle_signal_work kernel/entry/common.c:145 [inline]
 exit_to_user_mode_loop+0x9b/0xd0 kernel/entry/common.c:169
 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
 irqentry_exit_to_user_mode+0x4e/0x80 kernel/entry/common.c:287
 irqentry_exit+0x12/0x60 kernel/entry/common.c:375
 exc_page_fault+0x33d/0x5b0 arch/x86/mm/fault.c:1487
 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:571
RIP: 0033:0x7fb8e851ec3b
Code: Unable to access opcode bytes at RIP 0x7fb8e851ec11.
RSP: 002b:00007fb8e8513218 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00007fb8e85df708 RCX: 0000000000000005
RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000146
RBP: 00007fb8e85df700 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8e85ab844
R13: 00007fb8e85ab0c0 R14: 0031656c69662f2e R15: 00007fb8e85ab06b
Modules linked in:
---[ end trace 3ab7118bf98d1ee3 ]---
RIP: 0010:ext4_writepages+0x3bdf/0x3c00 fs/ext4/inode.c:2776
Code: 3a 8c ff 31 ff 89 de e8 ff 39 8c ff 45 84 f6 75 27 e8 65 37 8c ff 49 be 00 00 00 00 00 fc ff df e9 0e f7 ff ff e8 51 37 8c ff <0f> 0b e8 4a 37 8c ff e8 71 06 22 ff eb 9b e8 3e 37 8c ff e8 65 06
RSP: 0018:ffffc90001197220 EFLAGS: 00010293
RAX: ffffffff81de759f RBX: 0000008000000000 RCX: ffff88810ef28000
RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
RBP: ffffc90001197610 R08: ffffffff81de4013 R09: ffffed102397c0c8
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffffc90001197780 R14: 000000d410000000 R15: ffffc900011974e0
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb8e8514000 CR3: 000000010e701000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400