attempt to access beyond end of device loop1: rw=12288, want=12296, limit=8287 attempt to access beyond end of device loop1: rw=12288, want=12296, limit=8287 ------------[ cut here ]------------ kernel BUG at fs/f2fs/checkpoint.c:127! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 18119 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 RIP: 0010:f2fs_get_meta_page_nofail+0x12d/0x150 fs/f2fs/checkpoint.c:127 Code: e0 07 38 c2 0f 9e c1 84 d2 0f 95 c0 84 c1 75 23 83 8b 84 00 00 00 08 4c 89 e6 4c 89 ef e8 3b d2 03 05 48 89 ef e8 f3 a7 02 00 <0f> 0b e8 1c e4 82 fe eb 80 be 04 00 00 00 e8 00 e8 82 fe eb d1 66 RSP: 0018:ffff888055907880 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff8880550bcc40 RCX: ffffc90007052000 RDX: 0000000000040000 RSI: ffffffff83157e3d RDI: 0000000000000005 RBP: ffff8880543a1e40 R08: ffffffff8cd33ca0 R09: 0000000000000001 R10: 0000000000000005 R11: 0000000000074071 R12: 0000000000000286 R13: ffff8880543a2338 R14: 0000000000000080 R15: dffffc0000000000 FS: 00007f7a64958700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f75a22d4000 CR3: 000000003172d000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: get_current_sit_page fs/f2fs/segment.c:3524 [inline] build_sit_entries fs/f2fs/segment.c:3935 [inline] f2fs_build_segment_manager+0x5e97/0xad90 fs/f2fs/segment.c:4230 f2fs_fill_super+0x31d9/0x7050 fs/f2fs/super.c:3016 mount_bdev+0x2fc/0x3b0 fs/super.c:1158 mount_fs+0xa3/0x310 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2492 [inline] do_mount+0x115c/0x2f50 fs/namespace.c:2822 ksys_mount+0xcf/0x130 fs/namespace.c:3038 __do_sys_mount fs/namespace.c:3052 [inline] __se_sys_mount fs/namespace.c:3049 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3049 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f7a65fe48fa Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7a64957f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f7a65fe48fa RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f7a64957fe0 RBP: 00007f7a64958020 R08: 00007f7a64958020 R09: 0000000020000000 R10: 0000000000204401 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f7a64957fe0 R15: 0000000020010da0 Modules linked in: ---[ end trace 16fd2296ed2c8a11 ]--- RIP: 0010:f2fs_get_meta_page_nofail+0x12d/0x150 fs/f2fs/checkpoint.c:127 Code: e0 07 38 c2 0f 9e c1 84 d2 0f 95 c0 84 c1 75 23 83 8b 84 00 00 00 08 4c 89 e6 4c 89 ef e8 3b d2 03 05 48 89 ef e8 f3 a7 02 00 <0f> 0b e8 1c e4 82 fe eb 80 be 04 00 00 00 e8 00 e8 82 fe eb d1 66 RSP: 0018:ffff888055907880 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff8880550bcc40 RCX: ffffc90007052000 RDX: 0000000000040000 RSI: ffffffff83157e3d RDI: 0000000000000005 RBP: ffff8880543a1e40 R08: ffffffff8cd33ca0 R09: 0000000000000001 R10: 0000000000000005 R11: 0000000000074071 R12: 0000000000000286 R13: ffff8880543a2338 R14: 0000000000000080 R15: dffffc0000000000 FS: 00007f7a64958700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f31a11aa000 CR3: 000000003172d000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400