Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB 58655 total pagecache pages 0 pages in swap cache Free swap = 124996kB Total swap = 124996kB 2097051 pages RAM 0 pages HighMem/MovableOnly 425391 pages reserved 0 pages cma reserved bcachefs (loop5): flushing journal and stopping allocators, journal seq 13 bcachefs (loop5): 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: 0 UID: 0 PID: 10334 Comm: syz.5.913 Not tainted 6.16.0-rc3-next-20250627-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 01 6d 77 fd 41 be ea f6 ff ff e9 1b db ff ff e8 71 a2 26 07 e8 ec 6c 77 fd 90 0f 0b e8 e4 6c 77 fd 90 <0f> 0b e8 dc 6c 77 fd 90 0f 0b e8 d4 6c 77 fd 90 0f 0b e8 cc 6c 77 RSP: 0018:ffffc90004ecf4c0 EFLAGS: 00010202 RAX: ffffffff8448657c RBX: 1ffff1100d1c951b RCX: ffff88802dbabc00 RDX: 0000000000000003 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90004ecf790 R08: 000000000001ffff R09: 0000000000400000 R10: 0000000000400008 R11: ffffed100d1c953f R12: ffff888068e49800 R13: 1ffff1100d1c953e R14: 0000000000000002 R15: 00000000007ffffe FS: 00007ffbdaed06c0(0000) GS:ffff888125c1e000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc519171d60 CR3: 000000004c2ae000 CR4: 00000000003526f0 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:306 __bch2_fs_read_write+0x518/0x590 fs/bcachefs/super.c:553 bch2_fs_reconfigure+0x29a/0x400 fs/bcachefs/fs.c:2676 reconfigure_super+0x227/0x890 fs/super.c:1077 do_remount fs/namespace.c:3386 [inline] path_mount+0xd18/0xfe0 fs/namespace.c:4218 do_mount fs/namespace.c:4239 [inline] __do_sys_mount fs/namespace.c:4450 [inline] __se_sys_mount+0x317/0x410 fs/namespace.c:4427 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: 0033:0x7ffbd9f900ca Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007ffbdaecfe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffbdaecfef0 RCX: 00007ffbd9f900ca RDX: 0000200000000f40 RSI: 0000200000000f00 RDI: 0000000000000000 RBP: 0000200000000f40 R08: 00007ffbdaecfef0 R09: 0000000001a4a438 R10: 0000000001a4a438 R11: 0000000000000246 R12: 0000200000000f00 R13: 00007ffbdaecfeb0 R14: 0000000000000000 R15: 0000200000000f80 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 01 6d 77 fd 41 be ea f6 ff ff e9 1b db ff ff e8 71 a2 26 07 e8 ec 6c 77 fd 90 0f 0b e8 e4 6c 77 fd 90 <0f> 0b e8 dc 6c 77 fd 90 0f 0b e8 d4 6c 77 fd 90 0f 0b e8 cc 6c 77 RSP: 0018:ffffc90004ecf4c0 EFLAGS: 00010202 RAX: ffffffff8448657c RBX: 1ffff1100d1c951b RCX: ffff88802dbabc00 RDX: 0000000000000003 RSI: 0000000000000002 RDI: 0000000000000000 RBP: ffffc90004ecf790 R08: 000000000001ffff R09: 0000000000400000 R10: 0000000000400008 R11: ffffed100d1c953f R12: ffff888068e49800 R13: 1ffff1100d1c953e R14: 0000000000000002 R15: 00000000007ffffe FS: 00007ffbdaed06c0(0000) GS:ffff888125c1e000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc519171d60 CR3: 000000004c2ae000 CR4: 00000000003526f0