2097051 pages RAM 0 pages HighMem/MovableOnly 424567 pages reserved 0 pages cma reserved bcachefs (loop4): flushing journal and stopping allocators, journal seq 13 bcachefs (loop4): flushing journal and stopping allocators complete, journal seq 13 ------------[ cut here ]------------ kernel BUG at fs/bcachefs/journal.c:397! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 5979 Comm: syz.4.8 Not tainted 6.16.0-rc1-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:journal_entry_open fs/bcachefs/journal.c:397 [inline] RIP: 0010:__journal_res_get+0x25cd/0x27f0 fs/bcachefs/journal.c:639 Code: ff ff e9 2b db ff ff e8 51 9d 7e fd 41 be eb f6 ff ff e9 1b db ff ff e8 31 27 1d 07 e8 3c 9d 7e fd 90 0f 0b e8 34 9d 7e fd 90 <0f> 0b e8 2c 9d 7e fd 90 0f 0b e8 24 9d 7e fd 90 0f 0b e8 1c 9d 7e RSP: 0018:ffffc900047ef4c0 EFLAGS: 00010246 RAX: ffffffff8441b0bc RBX: 1ffff1100a7d951b RCX: 0000000000080000 RDX: ffffc9000de4a000 RSI: 000000000007ffff RDI: 0000000000080000 RBP: ffffc900047ef790 R08: ffff888053eca9f7 R09: 1ffff1100a7d953e R10: dffffc0000000000 R11: ffffed100a7d953f R12: ffff888053ec9800 R13: 1ffff1100a7d953e R14: 0000000000000002 R15: 00000000007ffffe FS: 00007f08f0a116c0(0000) GS:ffff888125d86000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f826563e000 CR3: 0000000033a0a000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bch2_journal_res_get_slowpath+0xdc/0xaf0 fs/bcachefs/journal.c:734 bch2_journal_res_get+0x14f/0x1f0 fs/bcachefs/journal.h:401 __bch2_journal_meta+0x40/0x1d0 fs/bcachefs/journal.c:980 bch2_fs_journal_stop+0x1dd/0x440 fs/bcachefs/journal.c:1462 __bch2_fs_read_only+0x343/0x5b0 fs/bcachefs/super.c:312 __bch2_fs_read_write+0x5cd/0x830 fs/bcachefs/super.c:559 bch2_fs_reconfigure+0x29a/0x400 fs/bcachefs/fs.c:2667 reconfigure_super+0x224/0x890 fs/super.c:1075 do_remount fs/namespace.c:3369 [inline] path_mount+0xd18/0xfe0 fs/namespace.c:4201 do_mount fs/namespace.c:4222 [inline] __do_sys_mount fs/namespace.c:4433 [inline] __se_sys_mount+0x317/0x410 fs/namespace.c:4410 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f08efb8e929 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f08f0a11038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f08efdb5fa0 RCX: 00007f08efb8e929 RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000000 RBP: 00007f08efc10b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000002012024 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f08efdb5fa0 R15: 00007ffeddd489a8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:journal_entry_open fs/bcachefs/journal.c:397 [inline] RIP: 0010:__journal_res_get+0x25cd/0x27f0 fs/bcachefs/journal.c:639 Code: ff ff e9 2b db ff ff e8 51 9d 7e fd 41 be eb f6 ff ff e9 1b db ff ff e8 31 27 1d 07 e8 3c 9d 7e fd 90 0f 0b e8 34 9d 7e fd 90 <0f> 0b e8 2c 9d 7e fd 90 0f 0b e8 24 9d 7e fd 90 0f 0b e8 1c 9d 7e RSP: 0018:ffffc900047ef4c0 EFLAGS: 00010246 RAX: ffffffff8441b0bc RBX: 1ffff1100a7d951b RCX: 0000000000080000 RDX: ffffc9000de4a000 RSI: 000000000007ffff RDI: 0000000000080000 RBP: ffffc900047ef790 R08: ffff888053eca9f7 R09: 1ffff1100a7d953e R10: dffffc0000000000 R11: ffffed100a7d953f R12: ffff888053ec9800 R13: 1ffff1100a7d953e R14: 0000000000000002 R15: 00000000007ffffe FS: 00007f08f0a116c0(0000) GS:ffff888125d86000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f826563e000 CR3: 0000000033a0a000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400