nvmet: Disable port '1' before changing attribute in nvmet_addr_trtype_store list_del corruption. prev->next should be ffff0000ce492020, but was 0000000000000000. (prev=ffff80001c9cd760) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:61! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 4538 Comm: syz.1.28 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026 pstate: 624000c5 (nZCv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __list_del_entry_valid+0x140/0x15c lib/list_debug.c:59 lr : __list_del_entry_valid+0x140/0x15c lib/list_debug.c:59 sp : ffff8000212e7a40 x29: ffff8000212e7a40 x28: 1fffe000194f2b57 x27: ffff0000d9096528 x26: ffff0000d9096520 x25: ffff0000ce492020 x24: dfff800000000000 x23: 1fffe00019c92400 x22: dfff800000000000 x21: ffff80001c9cd760 x20: ffff80000c4702e4 x19: ffff0000ce492020 x18: 1fffe00033e66f7e x17: 20747562202c3032 x16: ffff800011bc8ec8 x15: 3030666666662065 x14: 0000000000000001 x13: 1fffe00033e66fa3 x12: 0000000000000000 x11: ff008000083170c8 x10: 0000000000000000 x9 : d0eea59702678100 x8 : d0eea59702678100 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000212e7518 x4 : ffff8000154b4f40 x3 : ffff800008542f08 x2 : 0000000000000001 x1 : 0000000100000001 x0 : 000000000000006d Call trace: __list_del_entry_valid+0x140/0x15c lib/list_debug.c:59 __list_del_entry include/linux/list.h:141 [inline] list_del include/linux/list.h:155 [inline] nvmet_fc_portentry_unbind drivers/nvme/target/fc.c:1288 [inline] nvmet_fc_remove_port+0xa8/0x1b0 drivers/nvme/target/fc.c:2895 nvmet_disable_port+0x124/0x1d0 drivers/nvme/target/core.c:378 nvmet_port_subsys_drop_link+0x1dc/0x210 drivers/nvme/target/configfs.c:916 configfs_unlink+0x3f0/0x678 fs/configfs/symlink.c:250 vfs_unlink+0x2e0/0x4f4 fs/namei.c:4373 do_unlinkat+0x318/0x504 fs/namei.c:4441 __do_sys_unlinkat fs/namei.c:4484 [inline] __se_sys_unlinkat fs/namei.c:4477 [inline] __arm64_sys_unlinkat+0xe0/0xfc fs/namei.c:4477 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x12c arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Code: 91050000 aa1303e1 aa1503e3 95c597f7 (d4210000) ---[ end trace 0000000000000000 ]---