------------[ cut here ]------------ kernel BUG at fs/bcachefs/journal.c:105! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 3362 Comm: kworker/u4:12 Not tainted 6.11.0-syzkaller-02574-ga430d95c5efa #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: btree_update btree_interior_update_work RIP: 0010:journal_seq_to_buf fs/bcachefs/journal.c:105 [inline] RIP: 0010:bch2_journal_noflush_seq+0x320/0x330 fs/bcachefs/journal.c:804 Code: e8 c5 be 5c fd 48 8b 3c 24 e8 2c fc 8e 07 44 89 f0 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 a1 be 5c fd 90 <0f> 0b e8 99 be 5c fd 90 0f 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 RSP: 0018:ffffc9000de36ff8 EFLAGS: 00010293 RAX: ffffffff8436e7ff RBX: 0000000000000008 RCX: ffff88803d3f8000 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 0000000000000008 RBP: ffff8880421ca9c0 R08: ffffffff8436e659 R09: 1ffff11008439537 R10: dffffc0000000000 R11: ffffed1008439538 R12: ffff8880421ca488 R13: dffffc0000000000 R14: 0000040000000001 R15: 0000000000000009 FS: 0000000000000000(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3797423760 CR3: 000000000e734000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bch2_trigger_alloc+0x1a10/0x4090 fs/bcachefs/alloc_background.c:932 bch2_key_trigger fs/bcachefs/bkey_methods.h:87 [inline] run_one_mem_trigger+0x81f/0xc10 fs/bcachefs/btree_trans_commit.c:472 bch2_trans_commit_write_locked fs/bcachefs/btree_trans_commit.c:727 [inline] do_bch2_trans_commit fs/bcachefs/btree_trans_commit.c:861 [inline] __bch2_trans_commit+0x5547/0x90d0 fs/bcachefs/btree_trans_commit.c:1116 bch2_trans_commit fs/bcachefs/btree_update.h:184 [inline] btree_update_nodes_written fs/bcachefs/btree_update_interior.c:723 [inline] btree_interior_update_work+0x1492/0x2b00 fs/bcachefs/btree_update_interior.c:861 process_one_work kernel/workqueue.c:3231 [inline] process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3312 worker_thread+0x870/0xd30 kernel/workqueue.c:3393 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 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:journal_seq_to_buf fs/bcachefs/journal.c:105 [inline] RIP: 0010:bch2_journal_noflush_seq+0x320/0x330 fs/bcachefs/journal.c:804 Code: e8 c5 be 5c fd 48 8b 3c 24 e8 2c fc 8e 07 44 89 f0 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 a1 be 5c fd 90 <0f> 0b e8 99 be 5c fd 90 0f 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 RSP: 0018:ffffc9000de36ff8 EFLAGS: 00010293 RAX: ffffffff8436e7ff RBX: 0000000000000008 RCX: ffff88803d3f8000 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 0000000000000008 RBP: ffff8880421ca9c0 R08: ffffffff8436e659 R09: 1ffff11008439537 R10: dffffc0000000000 R11: ffffed1008439538 R12: ffff8880421ca488 R13: dffffc0000000000 R14: 0000040000000001 R15: 0000000000000009 FS: 0000000000000000(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3797423760 CR3: 000000000e734000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400