ci2 starts bisection 2023-03-04 22:30:40.606662961 +0000 UTC m=+267655.545352309
bisecting fixing commit since c73b4619ad86a2a29fc998e950e98bcdfa2f6d8f
building syzkaller on ab32d50881df9f96f2af301aadca62ad00b7e099
ensuring issue is reproducible on original commit c73b4619ad86a2a29fc998e950e98bcdfa2f6d8f

testing commit c73b4619ad86a2a29fc998e950e98bcdfa2f6d8f gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 84d9c3bd8e8ecf629a154bfc5f175dda56a5d68e05b96141d1b80c929258633c
all runs: crashed: KASAN: stack-out-of-bounds Read in __xfrm_dst_hash
testing current HEAD 5448b2fda85f2d90de03f053226f721ba2f7e731
testing commit 5448b2fda85f2d90de03f053226f721ba2f7e731 gcc
compiler: Debian clang version 15.0.7, GNU ld (GNU Binutils for Debian) 2.35.2
kernel signature: 8e8f042774a32ff2afbb07f54d883e4f95058ead147396a4dbea6f9d3318e061
all runs: crashed: KASAN: stack-out-of-bounds Read in __xfrm_dst_hash
revisions tested: 2, total time: 21m51.072593282s (build: 13m17.80628204s, test: 6m10.709569949s)
the crash still happens on HEAD
commit msg: Merge 5.15.94 into android13-5.15-lts
crash: KASAN: stack-out-of-bounds Read in __xfrm_dst_hash
==================================================================
BUG: KASAN: stack-out-of-bounds in jhash2 include/linux/jhash.h:138 [inline]
BUG: KASAN: stack-out-of-bounds in __xfrm6_addr_hash net/xfrm/xfrm_hash.h:16 [inline]
BUG: KASAN: stack-out-of-bounds in __xfrm6_daddr_saddr_hash net/xfrm/xfrm_hash.h:29 [inline]
BUG: KASAN: stack-out-of-bounds in __xfrm_dst_hash+0x3dd/0x4d0 net/xfrm/xfrm_hash.h:95
Read of size 4 at addr ffffc900001d0ab8 by task syz-executor.0/391

CPU: 1 PID: 391 Comm: syz-executor.0 Not tainted 5.15.94-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x105/0x148 lib/dump_stack.c:106
 print_address_description+0x87/0x3b0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:427 [inline]
 kasan_report+0x179/0x1c0 mm/kasan/report.c:444
 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308
 jhash2 include/linux/jhash.h:138 [inline]
 __xfrm6_addr_hash net/xfrm/xfrm_hash.h:16 [inline]
 __xfrm6_daddr_saddr_hash net/xfrm/xfrm_hash.h:29 [inline]
 __xfrm_dst_hash+0x3dd/0x4d0 net/xfrm/xfrm_hash.h:95
 xfrm_dst_hash net/xfrm/xfrm_state.c:63 [inline]
 xfrm_state_find+0x2fb/0x2c80 net/xfrm/xfrm_state.c:1092
 xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:2393 [inline]
 xfrm_tmpl_resolve net/xfrm/xfrm_policy.c:2438 [inline]
 xfrm_resolve_and_create_bundle+0x57c/0x28e0 net/xfrm/xfrm_policy.c:2731
 xfrm_bundle_lookup net/xfrm/xfrm_policy.c:2966 [inline]
 xfrm_lookup_with_ifid+0x7dd/0x1900 net/xfrm/xfrm_policy.c:3097
 xfrm_lookup net/xfrm/xfrm_policy.c:3194 [inline]
 xfrm_lookup_route+0x1d/0x120 net/xfrm/xfrm_policy.c:3205
 ip_route_output_flow+0x1c3/0x2f0 net/ipv4/route.c:2889
 ip_route_output_ports include/net/route.h:169 [inline]
 igmpv3_newpack+0x40a/0xf70 net/ipv4/igmp.c:369
 add_grhead+0x70/0x310 net/ipv4/igmp.c:440
 add_grec+0x104b/0x1340 net/ipv4/igmp.c:574
 igmpv3_send_cr net/ipv4/igmp.c:711 [inline]
 igmp_ifc_timer_expire+0x735/0xd20 net/ipv4/igmp.c:810
 call_timer_fn+0x28/0x1c0 kernel/time/timer.c:1427
 expire_timers kernel/time/timer.c:1472 [inline]
 __run_timers+0x675/0x850 kernel/time/timer.c:1743
 run_timer_softirq+0x4a/0xb0 kernel/time/timer.c:1756
 __do_softirq+0x26d/0x5bf kernel/softirq.c:565
 invoke_softirq kernel/softirq.c:425 [inline]
 __irq_exit_rcu+0x50/0xf0 kernel/softirq.c:647
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:659
 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1097
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:vprintk_emit+0xcc/0x250 kernel/printk/printk.c:2288
Code: e8 99 ec ff ff 41 89 c6 83 fb fe 49 bc 00 00 00 00 00 fc ff df 74 31 bf 01 00 00 00 e8 0d 3b f6 ff e8 58 15 00 00 85 c0 74 64 <e8> 7f 01 00 00 bf 01 00 00 00 e8 95 3c f6 ff 65 8b 05 66 07 b5 7e
RSP: 0018:ffffc900006c69c0 EFLAGS: 00000206
RAX: 0000000080000001 RBX: 0000000000000246 RCX: 0000000000000002
RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000000000001
RBP: ffffc900006c6a68 R08: dffffc0000000000 R09: 0000000000000003
R10: fffff520000d8d28 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000050 R15: ffffc900006c6a00
 vprintk_default+0x18/0x20 kernel/printk/printk.c:2299
 vprintk+0x49/0x50 kernel/printk/printk_safe.c:50
 _printk+0xca/0x10a kernel/printk/printk.c:2309
 __nla_validate_parse+0x2234/0x27f0 lib/nlattr.c:603
 __nla_parse+0x27/0x30 lib/nlattr.c:688
 nla_parse_nested_deprecated include/net/netlink.h:1231 [inline]
 __rtnl_newlink net/core/rtnetlink.c:3311 [inline]
 rtnl_newlink+0x54b/0x1b30 net/core/rtnetlink.c:3510
 rtnetlink_rcv_msg+0x5e8/0xa70 net/core/rtnetlink.c:5587
 netlink_rcv_skb+0x1c7/0x3c0 net/netlink/af_netlink.c:2533
 rtnetlink_rcv+0x10/0x20 net/core/rtnetlink.c:5605
 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline]
 netlink_unicast+0x6eb/0x930 net/netlink/af_netlink.c:1356
 netlink_sendmsg+0x7a2/0xba0 net/netlink/af_netlink.c:1952
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg net/socket.c:724 [inline]
 ____sys_sendmsg+0x492/0x790 net/socket.c:2412
 ___sys_sendmsg+0x215/0x2a0 net/socket.c:2466
 __sys_sendmsg net/socket.c:2495 [inline]
 __do_sys_sendmsg net/socket.c:2504 [inline]
 __se_sys_sendmsg+0x162/0x1f0 net/socket.c:2502
 __x64_sys_sendmsg+0x76/0x80 net/socket.c:2502
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fde261c90a9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fde25d3c168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fde262e8f80 RCX: 00007fde261c90a9
RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003
RBP: 00007fde26224ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc15d6b4ef R14: 00007fde25d3c300 R15: 0000000000022000
 </TASK>


Memory state around the buggy address:
 ffffc900001d0980: f3 f3 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc900001d0a00: 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1
>ffffc900001d0a80: 00 00 00 00 00 00 00 f3 f3 f3 f3 f3 00 00 00 00
                                        ^
 ffffc900001d0b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc900001d0b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
----------------
Code disassembly (best guess):
   0:	e8 99 ec ff ff       	callq  0xffffec9e
   5:	41 89 c6             	mov    %eax,%r14d
   8:	83 fb fe             	cmp    $0xfffffffe,%ebx
   b:	49 bc 00 00 00 00 00 	movabs $0xdffffc0000000000,%r12
  12:	fc ff df
  15:	74 31                	je     0x48
  17:	bf 01 00 00 00       	mov    $0x1,%edi
  1c:	e8 0d 3b f6 ff       	callq  0xfff63b2e
  21:	e8 58 15 00 00       	callq  0x157e
  26:	85 c0                	test   %eax,%eax
  28:	74 64                	je     0x8e
* 2a:	e8 7f 01 00 00       	callq  0x1ae <-- trapping instruction
  2f:	bf 01 00 00 00       	mov    $0x1,%edi
  34:	e8 95 3c f6 ff       	callq  0xfff63cce
  39:	65 8b 05 66 07 b5 7e 	mov    %gs:0x7eb50766(%rip),%eax        # 0x7eb507a6