=====================================================
BUG: KMSAN: uninit-value in __hlist_del include/linux/list.h:812 [inline]
BUG: KMSAN: uninit-value in detach_timer kernel/time/timer.c:814 [inline]
BUG: KMSAN: uninit-value in expire_timers+0x38d/0x780 kernel/time/timer.c:1438
CPU: 0 PID: 9146 Comm: syz-executor.0 Not tainted 5.8.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x21c/0x280 lib/dump_stack.c:118
 kmsan_report+0xf7/0x1e0 mm/kmsan/kmsan_report.c:121
 __msan_warning+0x58/0xa0 mm/kmsan/kmsan_instr.c:215
 __hlist_del include/linux/list.h:812 [inline]
 detach_timer kernel/time/timer.c:814 [inline]
 expire_timers+0x38d/0x780 kernel/time/timer.c:1438
 __run_timers+0xaf4/0xd30 kernel/time/timer.c:1773
 run_timer_softirq+0x2d/0x50 kernel/time/timer.c:1786
 __do_softirq+0x2ea/0x7f5 kernel/softirq.c:293
 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:711
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:23 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:50 [inline]
 do_softirq_own_stack+0x7c/0xa0 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:390 [inline]
 __irq_exit_rcu+0x226/0x270 kernel/softirq.c:420
 irq_exit_rcu+0xe/0x10 kernel/softirq.c:432
 sysvec_apic_timer_interrupt+0x107/0x130 arch/x86/kernel/apic/apic.c:1091
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:593
RIP: 0010:__nr_to_section include/linux/mmzone.h:1213 [inline]
RIP: 0010:pfn_valid include/linux/mmzone.h:1323 [inline]
RIP: 0010:kmsan_virt_addr_valid mm/kmsan/kmsan_shadow.c:91 [inline]
RIP: 0010:virt_to_page_or_null+0x56/0xf0 mm/kmsan/kmsan_shadow.c:129
Code: 89 d6 48 d3 ee 48 85 f6 75 44 48 89 d1 48 c1 e9 2e 75 3b 48 8b 0d fa 4a c8 10 48 85 c9 74 2f 48 89 d6 48 c1 ee 22 4c 8b 0c f1 <4d> 85 c9 74 1f 48 89 d6 48 c1 ee 1b 83 e6 7f 48 c1 e6 05 4c 89 c9
RSP: 0018:ffff8880902f7890 EFLAGS: 00000246
RAX: ffff8881011230e4 RBX: ffff8880811230e4 RCX: ffff88821fff0000
RDX: 00000000811230e4 RSI: 0000000000000000 RDI: ffff8880811230e4
RBP: ffff8880902f7890 R08: ffffea000000000f R09: ffff88812fffa000
R10: ffff88808af5f000 R11: ffff88808af5f000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
 kmsan_get_metadata+0x116/0x180 mm/kmsan/kmsan_shadow.c:194
 kmsan_get_shadow_origin_ptr+0x81/0xb0 mm/kmsan/kmsan_shadow.c:154
 __msan_metadata_ptr_for_load_1+0x10/0x20 mm/kmsan/kmsan_instr.c:52
 memcmp lib/string.c:926 [inline]
 bcmp lib/string.c:948 [inline]
 strstr+0x1b6/0x2e0 lib/string.c:994
 tomoyo_add_entry security/tomoyo/common.c:2017 [inline]
 tomoyo_supervisor+0xc5b/0x2840 security/tomoyo/common.c:2103
 tomoyo_audit_path_number_log security/tomoyo/file.c:235 [inline]
 tomoyo_path_number_perm+0x88e/0xaf0 security/tomoyo/file.c:734
 tomoyo_file_ioctl+0x74/0x90 security/tomoyo/tomoyo.c:329
 security_file_ioctl+0x10a/0x210 security/security.c:1480
 ksys_ioctl fs/ioctl.c:747 [inline]
 __do_sys_ioctl fs/ioctl.c:762 [inline]
 __se_sys_ioctl+0x143/0x4d0 fs/ioctl.c:760
 __x64_sys_ioctl+0x4a/0x70 fs/ioctl.c:760
 do_syscall_64+0xad/0x160 arch/x86/entry/common.c:386
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45cb47
Code: Bad RIP value.
RSP: 002b:0000000000c9f768 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 000000000045cb47
RDX: 0000000000c9f770 RSI: 0000000000008933 RDI: 0000000000000004
RBP: 0000000000c9fe80 R08: 0000000000000008 R09: 0000000000c9f7d0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000c9ff10
R13: 0000000000000000 R14: 0000000000000003 R15: 0000000000000000

Uninit was created at:
 kmsan_save_stack_with_flags+0x3c/0x90 mm/kmsan/kmsan.c:144
 kmsan_internal_alloc_meta_for_pages mm/kmsan/kmsan_shadow.c:269 [inline]
 kmsan_alloc_page+0xc5/0x1a0 mm/kmsan/kmsan_shadow.c:293
 __alloc_pages_nodemask+0xdf0/0x1030 mm/page_alloc.c:4889
 __alloc_pages include/linux/gfp.h:509 [inline]
 __alloc_pages_node include/linux/gfp.h:522 [inline]
 alloc_pages_node include/linux/gfp.h:536 [inline]
 kmalloc_large_node mm/slub.c:3929 [inline]
 __kmalloc_node+0x43b/0x1280 mm/slub.c:3945
 kmalloc_node include/linux/slab.h:578 [inline]
 kvmalloc_node+0x205/0x490 mm/util.c:574
 kvmalloc include/linux/mm.h:753 [inline]
 wg_pubkey_hashtable_alloc+0x4c/0x120 drivers/net/wireguard/peerlookup.c:24
 wg_newlink+0x2ae/0x12e0 drivers/net/wireguard/device.c:306
 __rtnl_newlink net/core/rtnetlink.c:3339 [inline]
 rtnl_newlink+0x2e03/0x3ed0 net/core/rtnetlink.c:3397
 rtnetlink_rcv_msg+0x142b/0x18c0 net/core/rtnetlink.c:5460
 netlink_rcv_skb+0x6d7/0x7e0 net/netlink/af_netlink.c:2469
 rtnetlink_rcv+0x50/0x60 net/core/rtnetlink.c:5478
 netlink_unicast_kernel net/netlink/af_netlink.c:1303 [inline]
 netlink_unicast+0x11c8/0x1490 net/netlink/af_netlink.c:1329
 netlink_sendmsg+0x173a/0x1840 net/netlink/af_netlink.c:1918
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg net/socket.c:672 [inline]
 __sys_sendto+0x9f8/0xca0 net/socket.c:1995
 __do_sys_sendto net/socket.c:2007 [inline]
 __se_sys_sendto+0x107/0x130 net/socket.c:2003
 __x64_sys_sendto+0x6e/0x90 net/socket.c:2003
 do_syscall_64+0xad/0x160 arch/x86/entry/common.c:386
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
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