list_del corruption. prev->next should be ffff8880280e5048, but was ffff888025dc1048. (prev=ffff88814adb1048) ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:62! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 13142 Comm: syz-executor.2 Not tainted 6.6.0-rc6-next-20231018-syzkaller-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 RIP: 0010:__list_del_entry_valid_or_report+0x11f/0x1b0 lib/list_debug.c:62 Code: 8f e9 8a e8 c3 d3 3a fd 0f 0b 48 89 ca 48 c7 c7 e0 8f e9 8a e8 b2 d3 3a fd 0f 0b 48 89 c2 48 c7 c7 40 90 e9 8a e8 a1 d3 3a fd <0f> 0b 48 89 d1 48 c7 c7 c0 90 e9 8a 48 89 c2 e8 8d d3 3a fd 0f 0b RSP: 0018:ffffc90003167e08 EFLAGS: 00010086 RAX: 000000000000006d RBX: ffff8880280e4000 RCX: ffffffff816b9cd9 RDX: 0000000000000000 RSI: ffffffff816c3142 RDI: 0000000000000005 RBP: ffff888023b7c480 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000001 R11: 0000000000000001 R12: 0000000000000293 R13: ffff8880280e5008 R14: ffff8880280e5048 R15: ffff8880280e5050 FS: 00005555557e3480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f350fd98000 CR3: 000000002427a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry_valid include/linux/list.h:124 [inline] __list_del_entry include/linux/list.h:215 [inline] list_del include/linux/list.h:229 [inline] ptp_release+0xca/0x2a0 drivers/ptp/ptp_chardev.c:147 posix_clock_release+0xa4/0x160 kernel/time/posix-clock.c:157 __fput+0x270/0xbb0 fs/file_table.c:394 __fput_sync+0x47/0x50 fs/file_table.c:475 __do_sys_close fs/open.c:1590 [inline] __se_sys_close fs/open.c:1575 [inline] __x64_sys_close+0x87/0xf0 fs/open.c:1575 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3f/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f350fc7b9da Code: 48 3d 00 f0 ff ff 77 48 c3 0f 1f 80 00 00 00 00 48 83 ec 18 89 7c 24 0c e8 03 7f 02 00 8b 7c 24 0c 89 c2 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 36 89 d7 89 44 24 0c e8 63 7f 02 00 8b 44 24 RSP: 002b:00007ffc427da040 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f350fc7b9da RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 0000000000000032 R08: 0000001b2e060000 R09: 00007f350fd9bf8c R10: 00007ffc427da190 R11: 0000000000000293 R12: 00007f350f8000a8 R13: ffffffffffffffff R14: 00007f350f800000 R15: 0000000000031c43 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__list_del_entry_valid_or_report+0x11f/0x1b0 lib/list_debug.c:62 Code: 8f e9 8a e8 c3 d3 3a fd 0f 0b 48 89 ca 48 c7 c7 e0 8f e9 8a e8 b2 d3 3a fd 0f 0b 48 89 c2 48 c7 c7 40 90 e9 8a e8 a1 d3 3a fd <0f> 0b 48 89 d1 48 c7 c7 c0 90 e9 8a 48 89 c2 e8 8d d3 3a fd 0f 0b RSP: 0018:ffffc90003167e08 EFLAGS: 00010086 RAX: 000000000000006d RBX: ffff8880280e4000 RCX: ffffffff816b9cd9 RDX: 0000000000000000 RSI: ffffffff816c3142 RDI: 0000000000000005 RBP: ffff888023b7c480 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000001 R11: 0000000000000001 R12: 0000000000000293 R13: ffff8880280e5008 R14: ffff8880280e5048 R15: ffff8880280e5050 FS: 00005555557e3480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f350fd98000 CR3: 000000002427a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400