bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 10 ------------[ cut here ]------------ kernel BUG at fs/bcachefs/journal.c:1189! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 PID: 7580 Comm: syz-executor Not tainted 6.10.0-rc5-syzkaller-00018-g55027e689933 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:bch2_fs_journal_stop+0x58a/0x590 fs/bcachefs/journal.c:1187 Code: c1 0f 8c 22 fd ff ff 4c 89 f7 49 89 f4 e8 2e e0 c7 fd 4c 89 e6 48 8b 54 24 10 e9 0a fd ff ff e8 1c 6e 4c 07 e8 27 7d 65 fd 90 <0f> 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000ac778a0 EFLAGS: 00010293 RAX: ffffffff8430a779 RBX: 000000000000000a RCX: ffff8880232c1e00 RDX: 0000000000000000 RSI: 000000000000000a RDI: 000000000000000b RBP: ffffc9000ac779e0 R08: ffffffff8430a72a R09: 1ffff1100e3f957f R10: dffffc0000000000 R11: ffffed100e3f9580 R12: dffffc0000000000 R13: ffff888071fca5c0 R14: 1ffff1100e3f94b8 R15: 000000000000000b FS: 0000555582629500(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9f859fb3b0 CR3: 000000007a6d6000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __bch2_fs_read_only+0x30c/0x430 fs/bcachefs/super.c:291 bch2_fs_read_only+0xb52/0x1210 fs/bcachefs/super.c:356 __bch2_fs_stop+0x105/0x540 fs/bcachefs/super.c:615 generic_shutdown_super+0x136/0x2d0 fs/super.c:642 bch2_kill_sb+0x41/0x50 fs/bcachefs/fs.c:2044 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1267 task_work_run+0x24f/0x310 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7faf9b976e17 Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffc2c331bc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007faf9b976e17 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc2c331c80 RBP: 00007ffc2c331c80 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffc2c332d30 R13: 00007faf9b9e364a R14: 000000000003b07d R15: 00007ffc2c332d70 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bch2_fs_journal_stop+0x58a/0x590 fs/bcachefs/journal.c:1187 Code: c1 0f 8c 22 fd ff ff 4c 89 f7 49 89 f4 e8 2e e0 c7 fd 4c 89 e6 48 8b 54 24 10 e9 0a fd ff ff e8 1c 6e 4c 07 e8 27 7d 65 fd 90 <0f> 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc9000ac778a0 EFLAGS: 00010293 RAX: ffffffff8430a779 RBX: 000000000000000a RCX: ffff8880232c1e00 RDX: 0000000000000000 RSI: 000000000000000a RDI: 000000000000000b RBP: ffffc9000ac779e0 R08: ffffffff8430a72a R09: 1ffff1100e3f957f R10: dffffc0000000000 R11: ffffed100e3f9580 R12: dffffc0000000000 R13: ffff888071fca5c0 R14: 1ffff1100e3f94b8 R15: 000000000000000b FS: 0000555582629500(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f038f6d0ab8 CR3: 000000007a6d6000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400