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kernel BUG at fs/ext4/inode.c:2844!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 6541 Comm: syz-executor.3 Not tainted 5.4.219-syzkaller-00002-ga0eae55f26a0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:ext4_writepages+0x3a2b/0x3a50 fs/ext4/inode.c:2843
Code: 94 c3 40 0f 94 c6 31 ff e8 52 92 a0 ff 84 db 75 2e e8 b9 8f a0 ff 48 bb 00 00 00 00 00 fc ff df e9 a9 f6 ff ff e8 a5 8f a0 ff <0f> 0b e8 9e 8f a0 ff 0f 0b e8 97 8f a0 ff e8 12 8c 3b ff eb a3 e8
RSP: 0018:ffff8881e7206ec0 EFLAGS: 00010293
RAX: ffffffff81c4bb7b RBX: 0000010000000000 RCX: ffff8881e6a2ee40
RDX: 0000000000000000 RSI: 0000010000000000 RDI: 0000000000000000
RBP: ffff8881e7207290 R08: ffffffff81c48a47 R09: ffffed1032aac3dd
R10: ffffed1032aac3dd R11: 1ffff11032aac3dc R12: ffff888195561f90
R13: ffff8881e7207400 R14: 0000010410000000 R15: 0000000000000001
FS:  00007f858004c700(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8577d09d38 CR3: 00000001d97a8000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_writepages+0x13a/0x280 mm/page-writeback.c:2344
 __filemap_fdatawrite_range mm/filemap.c:421 [inline]
 file_write_and_wait_range+0x33f/0x410 mm/filemap.c:782
 __generic_file_fsync+0x6e/0x190 fs/libfs.c:1006
 ext4_sync_file+0x266/0xc70 fs/ext4/fsync.c:118
 generic_write_sync include/linux/fs.h:2965 [inline]
 ext4_file_write_iter+0xa05/0x10e0 fs/ext4/file.c:281
 do_iter_readv_writev+0x529/0x740 fs/read_write.c:690
 do_iter_write+0x16f/0x570 fs/read_write.c:970
 iter_file_splice_write+0x887/0x10f0 fs/splice.c:746
 splice_direct_to_actor+0x4c4/0xb20 fs/splice.c:976
 do_splice_direct+0x2a0/0x3f0 fs/splice.c:1064
 do_sendfile+0x8f2/0xf10 fs/read_write.c:1464
 __do_sys_sendfile64 fs/read_write.c:1525 [inline]
 __se_sys_sendfile64 fs/read_write.c:1511 [inline]
 __x64_sys_sendfile64+0x1ce/0x230 fs/read_write.c:1511
 do_syscall_64+0xcb/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
Modules linked in:
---[ end trace 709c10aa16e4935c ]---
RIP: 0010:ext4_writepages+0x3a2b/0x3a50 fs/ext4/inode.c:2843
Code: 94 c3 40 0f 94 c6 31 ff e8 52 92 a0 ff 84 db 75 2e e8 b9 8f a0 ff 48 bb 00 00 00 00 00 fc ff df e9 a9 f6 ff ff e8 a5 8f a0 ff <0f> 0b e8 9e 8f a0 ff 0f 0b e8 97 8f a0 ff e8 12 8c 3b ff eb a3 e8
RSP: 0018:ffff8881e7206ec0 EFLAGS: 00010293
RAX: ffffffff81c4bb7b RBX: 0000010000000000 RCX: ffff8881e6a2ee40
RDX: 0000000000000000 RSI: 0000010000000000 RDI: 0000000000000000
RBP: ffff8881e7207290 R08: ffffffff81c48a47 R09: ffffed1032aac3dd
R10: ffffed1032aac3dd R11: 1ffff11032aac3dc R12: ffff888195561f90
R13: ffff8881e7207400 R14: 0000010410000000 R15: 0000000000000001
FS:  00007f858004c700(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f230000 CR3: 00000001d97a8000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400