slab kmalloc-8k start ffff8881477dc000 pointer offset 1480 size 8192
list_del corruption. next->prev should be ffffc9000380fb98, but was ffff8881477dc5c8. (next=ffff8881477dc5c8)
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:65!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 6740 Comm: syz.3.19 Not tainted 6.15.0-rc3-syzkaller-g5bc1018675ec #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
RIP: 0010:__list_del_entry_valid_or_report+0x1b3/0x200 lib/list_debug.c:65
Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 4b 49 8b 54 24 08 4c 89 e1 48 89 de 48 c7 c7 80 6c f4 8b e8 8e 42 c7 fc 90 <0f> 0b e8 06 5a 4c fd e9 6b fe ff ff 48 89 df e8 f9 59 4c fd e9 7d
RSP: 0018:ffffc9000380f880 EFLAGS: 00010086
RAX: 000000000000006d RBX: ffffc9000380fb98 RCX: ffffffff819a27b9
RDX: 0000000000000000 RSI: ffffffff819aa646 RDI: 0000000000000005
RBP: ffff8881477dc5d0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000001 R11: 0000000000000001 R12: ffff8881477dc5c8
R13: ffffc9000380fb98 R14: ffffc9000380fba0 R15: ffffc9000380fb70
FS:  00007ffa4924f6c0(0000) GS:ffff8881249ef000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f820f18b5a0 CR3: 00000000679a6000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __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]
 __remove_wait_queue include/linux/wait.h:207 [inline]
 remove_wait_queue+0x30/0x180 kernel/sched/wait.c:55
 free_poll_entry fs/select.c:132 [inline]
 poll_freewait+0xd5/0x250 fs/select.c:141
 do_sys_poll+0x6f6/0xe00 fs/select.c:1010
 __do_sys_poll fs/select.c:1074 [inline]
 __se_sys_poll fs/select.c:1062 [inline]
 __x64_sys_poll+0x1a6/0x450 fs/select.c:1062
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x230 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ffa48385d29
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:00007ffa4924f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000007
RAX: ffffffffffffffda RBX: 00007ffa48575fa0 RCX: 00007ffa48385d29
RDX: 0000000000000106 RSI: 0000000000000005 RDI: 0000000020000080
RBP: 00007ffa48401b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ffa48575fa0 R15: 00007ffd7cb96078
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_del_entry_valid_or_report+0x1b3/0x200 lib/list_debug.c:65
Code: 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 4b 49 8b 54 24 08 4c 89 e1 48 89 de 48 c7 c7 80 6c f4 8b e8 8e 42 c7 fc 90 <0f> 0b e8 06 5a 4c fd e9 6b fe ff ff 48 89 df e8 f9 59 4c fd e9 7d
RSP: 0018:ffffc9000380f880 EFLAGS: 00010086
RAX: 000000000000006d RBX: ffffc9000380fb98 RCX: ffffffff819a27b9
RDX: 0000000000000000 RSI: ffffffff819aa646 RDI: 0000000000000005
RBP: ffff8881477dc5d0 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000001 R11: 0000000000000001 R12: ffff8881477dc5c8
R13: ffffc9000380fb98 R14: ffffc9000380fba0 R15: ffffc9000380fb70
FS:  00007ffa4924f6c0(0000) GS:ffff8881249ef000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f820f18b5a0 CR3: 00000000679a6000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400