list_del corruption. next->prev should be ffff888025992a50, but was ffffc9000498fba0. (next=ffffc9000498fba0) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:62! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 5078 Comm: kworker/0:3 Not tainted 6.5.0-rc6-syzkaller-00036-g4853c74bd7ab #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 Workqueue: events p9_read_work RIP: 0010:__list_del_entry_valid+0x133/0x1b0 lib/list_debug.c:62 Code: e8 f2 00 46 fd 0f 0b 48 89 c2 48 c7 c7 60 16 c8 8a e8 e1 00 46 fd 0f 0b 48 89 d1 48 c7 c7 e0 16 c8 8a 48 89 c2 e8 cd 00 46 fd <0f> 0b 48 89 34 24 e8 62 ab b6 fd 48 8b 34 24 e9 e3 fe ff ff 48 89 RSP: 0018:ffffc9000498fb30 EFLAGS: 00010282 RAX: 000000000000006d RBX: dffffc0000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff816a0060 RDI: 0000000000000005 RBP: ffff888025992990 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000001 R12: ffff888015eb57c0 R13: ffff888015eb5810 R14: ffffc9000498fae0 R15: ffff888025992a50 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020404030 CR3: 0000000035514000 CR4: 0000000000350ef0 Call Trace: __list_del_entry include/linux/list.h:134 [inline] list_del include/linux/list.h:148 [inline] p9_conn_cancel+0x6b2/0x910 net/9p/trans_fd.c:215 p9_read_work+0x4d8/0xfb0 net/9p/trans_fd.c:407 process_one_work+0xaa2/0x16f0 kernel/workqueue.c:2600 worker_thread+0x687/0x1110 kernel/workqueue.c:2751 kthread+0x33a/0x430 kernel/kthread.c:389 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid+0x133/0x1b0 lib/list_debug.c:62 Code: e8 f2 00 46 fd 0f 0b 48 89 c2 48 c7 c7 60 16 c8 8a e8 e1 00 46 fd 0f 0b 48 89 d1 48 c7 c7 e0 16 c8 8a 48 89 c2 e8 cd 00 46 fd <0f> 0b 48 89 34 24 e8 62 ab b6 fd 48 8b 34 24 e9 e3 fe ff ff 48 89 RSP: 0018:ffffc9000498fb30 EFLAGS: 00010282 RAX: 000000000000006d RBX: dffffc0000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff816a0060 RDI: 0000000000000005 RBP: ffff888025992990 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000001 R12: ffff888015eb57c0 R13: ffff888015eb5810 R14: ffffc9000498fae0 R15: ffff888025992a50 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f064ff665e8 CR3: 0000000042368000 CR4: 0000000000350ef0