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kernel BUG at fs/ext4/inode.c:2837!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 304 Comm: syz-executor196 Not tainted 5.4.210-syzkaller-00006-gc80a5b2e7f63 #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:2836
Code: 94 c3 40 0f 94 c6 31 ff e8 f2 9f a0 ff 84 db 75 2e e8 59 9d a0 ff 48 bb 00 00 00 00 00 fc ff df e9 a9 f6 ff ff e8 45 9d a0 ff <0f> 0b e8 3e 9d a0 ff 0f 0b e8 37 9d a0 ff e8 62 a5 3b ff eb a3 e8
RSP: 0018:ffff8881dd9f6ec0 EFLAGS: 00010293
RAX: ffffffff81c4a22b RBX: 0000010000000000 RCX: ffff8881ddeb8000
RDX: 0000000000000000 RSI: 0000010000000000 RDI: 0000000000000000
RBP: ffff8881dd9f7290 R08: ffffffff81c470f7 R09: ffffed103cb9cb3a
R10: ffffed103cb9cb3a R11: 1ffff1103cb9cb39 R12: ffff8881e5ce5a78
R13: ffff8881dd9f7400 R14: 0000010410000000 R15: 0000000000000001
FS:  000055555600e300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004571f0 CR3: 00000001e1415000 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:2960 [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+0x44/0xa9
RIP: 0033:0x7f0dc71828d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffff14e388 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0dc71828d9
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007f0dc7142170 R08: 0000000000000000 R09: 0000000000000000
R10: 0001000000201005 R11: 0000000000000246 R12: 00007f0dc7142200
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace c91e53e050a6874b ]---
RIP: 0010:ext4_writepages+0x3a2b/0x3a50 fs/ext4/inode.c:2836
Code: 94 c3 40 0f 94 c6 31 ff e8 f2 9f a0 ff 84 db 75 2e e8 59 9d a0 ff 48 bb 00 00 00 00 00 fc ff df e9 a9 f6 ff ff e8 45 9d a0 ff <0f> 0b e8 3e 9d a0 ff 0f 0b e8 37 9d a0 ff e8 62 a5 3b ff eb a3 e8
RSP: 0018:ffff8881dd9f6ec0 EFLAGS: 00010293
RAX: ffffffff81c4a22b RBX: 0000010000000000 RCX: ffff8881ddeb8000
RDX: 0000000000000000 RSI: 0000010000000000 RDI: 0000000000000000
RBP: ffff8881dd9f7290 R08: ffffffff81c470f7 R09: ffffed103cb9cb3a
R10: ffffed103cb9cb3a R11: 1ffff1103cb9cb39 R12: ffff8881e5ce5a78
R13: ffff8881dd9f7400 R14: 0000010410000000 R15: 0000000000000001
FS:  000055555600e300(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000004571f0 CR3: 00000001e1415000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400