------------[ cut here ]------------ kernel BUG at lib/list_debug.c:55! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 17435 Comm: syz.4.3424 Not tainted 5.15.167-syzkaller-android13-5.15.167_r00 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__list_del_entry_valid+0xea/0x120 lib/list_debug.c:53 Code: 4c 89 f6 e8 98 29 76 02 0f 0b 48 c7 c7 60 44 a3 85 4c 89 f6 e8 87 29 76 02 0f 0b 48 c7 c7 c0 44 a3 85 4c 89 f6 e8 76 29 76 02 <0f> 0b 48 c7 c7 20 45 a3 85 4c 89 f6 e8 65 29 76 02 0f 0b 48 c7 c7 RSP: 0018:ffffc90000ac7440 EFLAGS: 00010246 RAX: 000000000000004e RBX: dead000000000100 RCX: aba969328a9ac600 RDX: ffffc900039cd000 RSI: 000000000000097c RDI: 000000000000097d RBP: ffffc90000ac7460 R08: ffffffff815791b5 R09: ffffed103ee265e8 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 1ffff11023a06e00 R14: ffff88811d037078 R15: dead000000000122 FS: 00007f7b4f2c06c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7d6a5baab8 CR3: 0000000125f89000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry include/linux/list.h:132 [inline] list_del include/linux/list.h:146 [inline] p9_fd_cancelled+0xa5/0x230 net/9p/trans_fd.c:736 p9_client_flush+0x392/0x570 net/9p/client.c:681 p9_client_rpc+0xaf0/0x13a0 net/9p/client.c:788 p9_client_create+0x9be/0x1130 net/9p/client.c:1056 v9fs_session_init+0x1fa/0x19b0 fs/9p/v9fs.c:409 v9fs_mount+0x75/0x7f0 fs/9p/vfs_super.c:126 legacy_get_tree+0xf1/0x190 fs/fs_context.c:611 vfs_get_tree+0x88/0x290 fs/super.c:1528 do_new_mount+0x2ba/0xb30 fs/namespace.c:3005 path_mount+0x671/0x1070 fs/namespace.c:3335 do_mount fs/namespace.c:3348 [inline] __do_sys_mount fs/namespace.c:3556 [inline] __se_sys_mount+0x2c4/0x3b0 fs/namespace.c:3533 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3533 x64_sys_call+0x49d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:166 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f7b50689719 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:00007f7b4f2c0038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f7b50841130 RCX: 00007f7b50689719 RDX: 0000000020000b80 RSI: 0000000020000040 RDI: 0000000000000000 RBP: 00007f7b506fc32e R08: 00000000200001c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f7b50841130 R15: 00007ffd0c7f7f18 Modules linked in: ---[ end trace ce420ab2a5a042a1 ]--- RIP: 0010:__list_del_entry_valid+0xea/0x120 lib/list_debug.c:53 Code: 4c 89 f6 e8 98 29 76 02 0f 0b 48 c7 c7 60 44 a3 85 4c 89 f6 e8 87 29 76 02 0f 0b 48 c7 c7 c0 44 a3 85 4c 89 f6 e8 76 29 76 02 <0f> 0b 48 c7 c7 20 45 a3 85 4c 89 f6 e8 65 29 76 02 0f 0b 48 c7 c7 RSP: 0018:ffffc90000ac7440 EFLAGS: 00010246 RAX: 000000000000004e RBX: dead000000000100 RCX: aba969328a9ac600 RDX: ffffc900039cd000 RSI: 000000000000097c RDI: 000000000000097d RBP: ffffc90000ac7460 R08: ffffffff815791b5 R09: ffffed103ee265e8 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 1ffff11023a06e00 R14: ffff88811d037078 R15: dead000000000122 FS: 00007f7b4f2c06c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7d6a5baab8 CR3: 0000000125f89000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400