syzbot

Dead loop on virtual device ipvlan1, fix it urgently!
=====================================================
BUG: KMSAN: uninit-value in schedule_debug kernel/sched/core.c:5874 [inline]
BUG: KMSAN: uninit-value in __schedule+0x709/0x69c0 kernel/sched/core.c:6550
 schedule_debug kernel/sched/core.c:5874 [inline]
 __schedule+0x709/0x69c0 kernel/sched/core.c:6550
 __schedule_loop kernel/sched/core.c:6751 [inline]
 schedule+0x13d/0x380 kernel/sched/core.c:6766
 exit_to_user_mode_loop kernel/entry/common.c:102 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xaf/0x170 kernel/entry/common.c:218
 do_syscall_64+0xda/0x1e0 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Local variable acpar created at:
 ip6t_do_table+0x70/0x23b0 net/ipv6/netfilter/ip6_tables.c:261
 ip6table_mangle_hook+0x779/0x9c0 net/ipv6/netfilter/ip6table_mangle.c:73

CPU: 1 UID: 0 PID: 6981 Comm: syz.4.577 Not tainted 6.11.0-syzkaller-09959-gabf2050f51fd #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
=====================================================
Kernel panic - not syncing: kmsan.panic set ...
CPU: 1 UID: 0 PID: 6981 Comm: syz.4.577 Tainted: G    B              6.11.0-syzkaller-09959-gabf2050f51fd #0
Tainted: [B]=BAD_PAGE
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x216/0x2d0 lib/dump_stack.c:120
 dump_stack+0x1e/0x30 lib/dump_stack.c:129
 panic+0x4e2/0xcf0 kernel/panic.c:354
 kmsan_report+0x2c7/0x2d0 mm/kmsan/report.c:218
 __msan_warning+0x95/0x120 mm/kmsan/instrumentation.c:318
 schedule_debug kernel/sched/core.c:5874 [inline]
 __schedule+0x709/0x69c0 kernel/sched/core.c:6550
 __schedule_loop kernel/sched/core.c:6751 [inline]
 schedule+0x13d/0x380 kernel/sched/core.c:6766
 exit_to_user_mode_loop kernel/entry/common.c:102 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xaf/0x170 kernel/entry/common.c:218
 do_syscall_64+0xda/0x1e0 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7feb8b37c9df
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 c9 8d 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 1c 8e 02 00 48
RSP: 002b:00007feb8c202000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: 000000000000004a RBX: 00007feb8b535f80 RCX: 00007feb8b37c9df
RDX: 000000000000004a RSI: 0000000020000200 RDI: 00000000000000c8
RBP: 00007feb8b3f0b76 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000004a R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 00007feb8b535f80 R15: 00007ffe0e84c7d8
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..