------------[ cut here ]------------ kernel BUG at fs/bcachefs/journal_reclaim.h:30! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 4682 Comm: kworker/u5:1 Not tainted 6.12.0-syzkaller-09073-g9f16d5e6f220 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: bcachefs_journal journal_write_work RIP: 0010:journal_seq_pin fs/bcachefs/journal_reclaim.h:30 [inline] RIP: 0010:__bch2_journal_pin_put+0x121/0x130 fs/bcachefs/journal_reclaim.c:327 Code: 9a 52 fd 31 ff 89 de e8 0d 9a 52 fd 89 d8 5b 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc e8 f8 96 52 fd 90 0f 0b e8 f0 96 52 fd 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 RSP: 0018:ffffc9000dcf7a10 EFLAGS: 00010293 RAX: ffffffff84434920 RBX: 0000000000000000 RCX: ffff888000582440 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000000000000 RBP: ffffc9000dcf7b78 R08: ffffffff84434881 R09: ffffffff8440bb88 R10: 0000000000000004 R11: ffff888000582440 R12: dffffc0000000000 R13: ffff88804474a500 R14: ffffffffffffffff R15: ffff88804474a500 FS: 0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000056474e330408 CR3: 000000000e738000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bch2_journal_buf_put_final fs/bcachefs/journal.c:217 [inline] __bch2_journal_buf_put fs/bcachefs/journal.h:276 [inline] __journal_entry_close+0x80a/0xe30 fs/bcachefs/journal.c:301 journal_write_work+0x129/0x140 fs/bcachefs/journal.c:487 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 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_pin fs/bcachefs/journal_reclaim.h:30 [inline] RIP: 0010:__bch2_journal_pin_put+0x121/0x130 fs/bcachefs/journal_reclaim.c:327 Code: 9a 52 fd 31 ff 89 de e8 0d 9a 52 fd 89 d8 5b 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc e8 f8 96 52 fd 90 0f 0b e8 f0 96 52 fd 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 RSP: 0018:ffffc9000dcf7a10 EFLAGS: 00010293 RAX: ffffffff84434920 RBX: 0000000000000000 RCX: ffff888000582440 RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000000000000 RBP: ffffc9000dcf7b78 R08: ffffffff84434881 R09: ffffffff8440bb88 R10: 0000000000000004 R11: ffff888000582440 R12: dffffc0000000000 R13: ffff88804474a500 R14: ffffffffffffffff R15: ffff88804474a500 FS: 0000000000000000(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000056474e330408 CR3: 000000000e738000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400