------------[ cut here ]------------
kernel BUG at fs/bcachefs/compress.c:398!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 PID: 1036 Comm: kworker/u8:5 Not tainted 6.10.0-rc7-syzkaller-00012-g34afb82a3c67 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Workqueue: writeback wb_workfn (flush-bcachefs-1)
RIP: 0010:__bio_compress fs/bcachefs/compress.c:398 [inline]
RIP: 0010:bch2_bio_compress+0x13a1/0x13e0 fs/bcachefs/compress.c:498
Code: e1 07 38 c1 0f 8c 77 fb ff ff be 14 00 00 00 4c 89 ef e8 52 6d dc fd e9 65 fb ff ff e8 48 00 7a fd 90 0f 0b e8 40 00 7a fd 90 <0f> 0b e8 38 00 7a fd 90 0f 0b e8 00 0f 61 07 e8 2b 00 7a fd 90 0f
RSP: 0018:ffffc9000403e660 EFLAGS: 00010293
RAX: ffffffff841c2680 RBX: ffff8880769c7e78 RCX: ffff888021ddda00
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000004
RBP: ffffc9000403e8f0 R08: ffffffff841c14df R09: 0000000000000003
R10: ffffc9000403ed00 R11: fffff52000807da5 R12: 00000000000002e0
R13: ffff888076845688 R14: dffffc0000000000 R15: 0000000000000004
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1b70de0db8 CR3: 0000000079450000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bch2_write_extent fs/bcachefs/io_write.c:963 [inline]
 __bch2_write+0x1537/0x5c40 fs/bcachefs/io_write.c:1461
 bch2_write+0x947/0x1670 fs/bcachefs/io_write.c:1634
 closure_queue include/linux/closure.h:269 [inline]
 closure_call include/linux/closure.h:425 [inline]
 bch2_writepage_do_io fs/bcachefs/fs-io-buffered.c:460 [inline]
 bch2_writepages+0x27d/0x380 fs/bcachefs/fs-io-buffered.c:652
 do_writepages+0x359/0x870 mm/page-writeback.c:2656
 __writeback_single_inode+0x165/0x10b0 fs/fs-writeback.c:1651
 writeback_sb_inodes+0x99c/0x1380 fs/fs-writeback.c:1947
 __writeback_inodes_wb+0x11b/0x260 fs/fs-writeback.c:2018
 wb_writeback+0x495/0xd40 fs/fs-writeback.c:2129
 wb_check_background_flush fs/fs-writeback.c:2199 [inline]
 wb_do_writeback fs/fs-writeback.c:2287 [inline]
 wb_workfn+0xc58/0x1090 fs/fs-writeback.c:2314
 process_one_work kernel/workqueue.c:3248 [inline]
 process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3329
 worker_thread+0x86d/0xd50 kernel/workqueue.c:3409
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__bio_compress fs/bcachefs/compress.c:398 [inline]
RIP: 0010:bch2_bio_compress+0x13a1/0x13e0 fs/bcachefs/compress.c:498
Code: e1 07 38 c1 0f 8c 77 fb ff ff be 14 00 00 00 4c 89 ef e8 52 6d dc fd e9 65 fb ff ff e8 48 00 7a fd 90 0f 0b e8 40 00 7a fd 90 <0f> 0b e8 38 00 7a fd 90 0f 0b e8 00 0f 61 07 e8 2b 00 7a fd 90 0f
RSP: 0018:ffffc9000403e660 EFLAGS: 00010293
RAX: ffffffff841c2680 RBX: ffff8880769c7e78 RCX: ffff888021ddda00
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000004
RBP: ffffc9000403e8f0 R08: ffffffff841c14df R09: 0000000000000003
R10: ffffc9000403ed00 R11: fffff52000807da5 R12: 00000000000002e0
R13: ffff888076845688 R14: dffffc0000000000 R15: 0000000000000004
FS:  0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1b70de0db8 CR3: 000000007d568000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400