BUG: TASK stack guard page was hit at ffffc9000a1c7ff8 (stack is ffffc9000a1c8000..ffffc9000a1d0000) Oops: stack guard page: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 PID: 12139 Comm: syz-executor.2 Not tainted 6.10.0-rc2-syzkaller-00097-g2df0193e62cf #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:instrument_atomic_read include/linux/instrumented.h:68 [inline] RIP: 0010:_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] RIP: 0010:hlock_class kernel/locking/lockdep.c:228 [inline] RIP: 0010:lookup_chain_cache_add kernel/locking/lockdep.c:3781 [inline] RIP: 0010:validate_chain+0x119/0x5900 kernel/locking/lockdep.c:3837 Code: 25 00 80 04 00 3d 00 00 04 00 0f 85 7b 04 00 00 81 e3 ff 1f 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 80 25 f7 92 be 08 00 00 00 a2 87 85 00 48 0f a3 1d 8a 0e 84 11 72 66 48 c7 c0 e0 a6 76 94 RSP: 0018:ffffc9000a1c8000 EFLAGS: 00010047 RAX: 0000000000000000 RBX: 0000000000000027 RCX: 1ffff92001439020 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff92f72580 RBP: ffffc9000a1c8300 R08: ffffffff92f72587 R09: 1ffffffff25ee4b0 R10: dffffc0000000000 R11: fffffbfff25ee4b1 R12: dffffc0000000000 R13: ffff888026428fb0 R14: 4912ddf75aee0fae R15: ffff888026428000 FS: 00007f1c980a56c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9000a1c7ff8 CR3: 00000000661cc000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <#DF> __lock_acquire+0x1346/0x1fd0 kernel/locking/lockdep.c:5137 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754 seqcount_lockdep_reader_access+0x127/0x1e0 include/linux/seqlock.h:72 read_seqbegin include/linux/seqlock.h:772 [inline] zone_span_seqbegin include/linux/memory_hotplug.h:151 [inline] page_outside_zone_boundaries mm/page_alloc.c:434 [inline] bad_range+0x5f/0x270 mm/page_alloc.c:453 rmqueue mm/page_alloc.c:3007 [inline] get_page_from_freelist+0x2e14/0x2ee0 mm/page_alloc.c:3399 __alloc_pages_noprof+0x256/0x6c0 mm/page_alloc.c:4660 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 stack_depot_save_flags+0x666/0x830 lib/stackdepot.c:627 save_stack+0x109/0x1f0 mm/page_owner.c:157 __set_page_owner+0x92/0x800 mm/page_owner.c:320 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1468 prep_new_page mm/page_alloc.c:1476 [inline] get_page_from_freelist+0x2e2d/0x2ee0 mm/page_alloc.c:3402 __alloc_pages_noprof+0x256/0x6c0 mm/page_alloc.c:4660 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 stack_depot_save_flags+0x666/0x830 lib/stackdepot.c:627 kasan_save_stack mm/kasan/common.c:48 [inline] kasan_save_track+0x51/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579 poison_slab_object+0xe0/0x150 mm/kasan/common.c:240 __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256 kasan_slab_free include/linux/kasan.h:184 [inline] slab_free_hook mm/slub.c:2195 [inline] slab_free_freelist_hook mm/slub.c:2224 [inline] slab_free_bulk mm/slub.c:4460 [inline] kmem_cache_free_bulk+0x1f8/0x370 mm/slub.c:4674 kfree_skb_list_reason+0x72b/0x7c0 net/core/skbuff.c:1273 kfree_skb_list include/linux/skbuff.h:1268 [inline] __dev_queue_xmit+0x188a/0x3d30 net/core/dev.c:4417 dev_queue_xmit include/linux/netdevice.h:3095 [inline] neigh_hh_output include/net/neighbour.h:526 [inline] neigh_output include/net/neighbour.h:540 [inline] ip6_finish_output2+0xfc0/0x1670 net/ipv6/ip6_output.c:137 ip6_fragment+0x1ab7/0x2290 net/ipv6/ip6_output.c:959 __ip6_finish_output net/ipv6/ip6_output.c:209 [inline] ip6_finish_output+0x2b8/0x810 net/ipv6/ip6_output.c:222 ipvlan_process_v6_outbound drivers/net/ipvlan/ipvlan_core.c:497 [inline] ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:538 [inline] ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:602 [inline] ipvlan_queue_xmit+0x9cf/0x11b0 drivers/net/ipvlan/ipvlan_core.c:668 ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:222 __netdev_start_xmit include/linux/netdevice.h:4882 [inline] netdev_start_xmit include/linux/netdevice.h:4896 [inline] xmit_one net/core/dev.c:3578 [inline] dev_hard_start_xmit+0x27a/0x7e0 net/core/dev.c:3594 __dev_queue_xmit+0x1b0e/0x3d30 net/core/dev.c:4393 dev_queue_xmit include/linux/netdevice.h:3095 [inline] neigh_hh_output include/net/neighbour.h:526 [inline] neigh_output include/net/neighbour.h:540 [inline] ip6_finish_output2+0xfc0/0x1670 net/ipv6/ip6_output.c:137 ip6_fragment+0x1ab7/0x2290 net/ipv6/ip6_output.c:959 __ip6_finish_output net/ipv6/ip6_output.c:209 [inline] ip6_finish_output+0x2b8/0x810 net/ipv6/ip6_output.c:222 ipvlan_process_v6_outbound drivers/net/ipvlan/ipvlan_core.c:497 [inline] ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:538 [inline] ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:602 [inline] ipvlan_queue_xmit+0x9cf/0x11b0 drivers/net/ipvlan/ipvlan_core.c:668 ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:222 __netdev_start_xmit include/linux/netdevice.h:4882 [inline] netdev_start_xmit include/linux/netdevice.h:4896 [inline] xmit_one net/core/dev.c:3578 [inline] dev_hard_start_xmit+0x27a/0x7e0 net/core/dev.c:3594 __dev_queue_xmit+0x1b0e/0x3d30 net/core/dev.c:4393 dev_queue_xmit include/linux/netdevice.h:3095 [inline] neigh_hh_output include/net/neighbour.h:526 [inline] neigh_output include/net/neighbour.h:540 [inline] ip6_finish_output2+0xfc0/0x1670 net/ipv6/ip6_output.c:137 ip6_fragment+0x1ab7/0x2290 net/ipv6/ip6_output.c:959 __ip6_finish_output net/ipv6/ip6_output.c:209 [inline] ip6_finish_output+0x2b8/0x810 net/ipv6/ip6_output.c:222 ipvlan_process_v6_outbound drivers/net/ipvlan/ipvlan_core.c:497 [inline] ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:538 [inline] ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:602 [inline] ipvlan_queue_xmit+0x9cf/0x11b0 drivers/net/ipvlan/ipvlan_core.c:668 ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:222 __netdev_start_xmit include/linux/netdevice.h:4882 [inline] netdev_start_xmit include/linux/netdevice.h:4896 [inline] xmit_one net/core/dev.c:3578 [inline] dev_hard_start_xmit+0x27a/0x7e0 net/core/dev.c:3594 __dev_queue_xmit+0x1b0e/0x3d30 net/core/dev.c:4393 dev_queue_xmit include/linux/netdevice.h:3095 [inline] neigh_hh_output include/net/neighbour.h:526 [inline] neigh_output include/net/neighbour.h:540 [inline] ip6_finish_output2+0xfc0/0x1670 net/ipv6/ip6_output.c:137 ip6_fragment+0x1ab7/0x2290 net/ipv6/ip6_output.c:959 __ip6_finish_output net/ipv6/ip6_output.c:209 [inline] ip6_finish_output+0x2b8/0x810 net/ipv6/ip6_output.c:222 ipvlan_process_v6_outbound drivers/net/ipvlan/ipvlan_core.c:497 [inline] ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:538 [inline] ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:602 [inline] ipvlan_queue_xmit+0x9cf/0x11b0 drivers/net/ipvlan/ipvlan_core.c:668 ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:222 __netdev_start_xmit include/linux/netdevice.h:4882 [inline] netdev_start_xmit include/linux/netdevice.h:4896 [inline] xmit_one net/core/dev.c:3578 [inline] dev_hard_start_xmit+0x27a/0x7e0 net/core/dev.c:3594 __dev_queue_xmit+0x1b0e/0x3d30 net/core/dev.c:4393 dev_queue_xmit include/linux/netdevice.h:3095 [inline] neigh_hh_output include/net/neighbour.h:526 [inline] neigh_output include/net/neighbour.h:540 [inline] ip6_finish_output2+0xfc0/0x1670 net/ipv6/ip6_output.c:137 ip6_fragment+0x1ab7/0x2290 net/ipv6/ip6_output.c:959 __ip6_finish_output net/ipv6/ip6_output.c:209 [inline] ip6_finish_output+0x2b8/0x810 net/ipv6/ip6_output.c:222 ipvlan_process_v6_outbound drivers/net/ipvlan/ipvlan_core.c:497 [inline] ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:538 [inline] ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:602 [inline] ipvlan_queue_xmit+0x9cf/0x11b0 drivers/net/ipvlan/ipvlan_core.c:668 ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:222 __netdev_start_xmit include/linux/netdevice.h:4882 [inline] netdev_start_xmit include/linux/netdevice.h:4896 [inline] xmit_one net/core/dev.c:3578 [inline] dev_hard_start_xmit+0x27a/0x7e0 net/core/dev.c:3594 __dev_queue_xmit+0x1b0e/0x3d30 net/core/dev.c:4393 dev_queue_xmit include/linux/netdevice.h:3095 [inline] neigh_hh_output include/net/neighbour.h:526 [inline] neigh_output include/net/neighbour.h:540 [inline] ip6_finish_output2+0xfc0/0x1670 net/ipv6/ip6_output.c:137 ip6_fragment+0x1ab7/0x2290 net/ipv6/ip6_output.c:959 __ip6_finish_output net/ipv6/ip6_output.c:209 [inline] ip6_finish_output+0x2b8/0x810 net/ipv6/ip6_output.c:222 ipvlan_process_v6_outbound drivers/net/ipvlan/ipvlan_core.c:497 [inline] ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:538 [inline] ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:602 [inline] ipvlan_queue_xmit+0x9cf/0x11b0 drivers/net/ipvlan/ipvlan_core.c:668 ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:222 __netdev_start_xmit include/linux/netdevice.h:4882 [inline] netdev_start_xmit include/linux/netdevice.h:4896 [inline] xmit_one net/core/dev.c:3578 [inline] dev_hard_start_xmit+0x27a/0x7e0 net/core/dev.c:3594 __dev_queue_xmit+0x1b0e/0x3d30 net/core/dev.c:4393 dev_queue_xmit include/linux/netdevice.h:3095 [inline] neigh_hh_output include/net/neighbour.h:526 [inline] neigh_output include/net/neighbour.h:540 [inline] ip6_finish_output2+0xfc0/0x1670 net/ipv6/ip6_output.c:137 ip6_fragment+0x1ab7/0x2290 net/ipv6/ip6_output.c:959 __ip6_finish_output net/ipv6/ip6_output.c:209 [inline] ip6_finish_output+0x2b8/0x810 net/ipv6/ip6_output.c:222 ipvlan_process_v6_outbound drivers/net/ipvlan/ipvlan_core.c:497 [inline] ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:538 [inline] ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:602 [inline] ipvlan_queue_xmit+0x9cf/0x11b0 drivers/net/ipvlan/ipvlan_core.c:668 ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:222 __netdev_start_xmit include/linux/netdevice.h:4882 [inline] netdev_start_xmit include/linux/netdevice.h:4896 [inline] xmit_one net/core/dev.c:3578 [inline] dev_hard_start_xmit+0x27a/0x7e0 net/core/dev.c:3594 __dev_queue_xmit+0x1b0e/0x3d30 net/core/dev.c:4393 dev_queue_xmit include/linux/netdevice.h:3095 [inline] neigh_hh_output include/net/neighbour.h:526 [inline] neigh_output include/net/neighbour.h:540 [inline] ip6_finish_output2+0xfc0/0x1670 net/ipv6/ip6_output.c:137 ip6_fragment+0x1ab7/0x2290 net/ipv6/ip6_output.c:959 __ip6_finish_output net/ipv6/ip6_output.c:209 [inline] ip6_finish_output+0x2b8/0x810 net/ipv6/ip6_output.c:222 ipvlan_process_v6_outbound drivers/net/ipvlan/ipvlan_core.c:497 [inline] ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:538 [inline] ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:602 [inline] ipvlan_queue_xmit+0x9cf/0x11b0 drivers/net/ipvlan/ipvlan_core.c:668 ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:222 __netdev_start_xmit include/linux/netdevice.h:4882 [inline] netdev_start_xmit include/linux/netdevice.h:4896 [inline] xmit_one net/core/dev.c:3578 [inline] dev_hard_start_xmit+0x27a/0x7e0 net/core/dev.c:3594 __dev_queue_xmit+0x1b0e/0x3d30 net/core/dev.c:4393 dev_queue_xmit include/linux/netdevice.h:3095 [inline] neigh_hh_output include/net/neighbour.h:526 [inline] neigh_output include/net/neighbour.h:540 [inline] ip6_finish_output2+0xfc0/0x1670 net/ipv6/ip6_output.c:137 ip6_fragment+0x1ab7/0x2290 net/ipv6/ip6_output.c:959 __ip6_finish_output net/ipv6/ip6_output.c:209 [inline] ip6_finish_output+0x2b8/0x810 net/ipv6/ip6_output.c:222 ipvlan_process_v6_outbound drivers/net/ipvlan/ipvlan_core.c:497 [inline] ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:538 [inline] ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:602 [inline] ipvlan_queue_xmit+0x9cf/0x11b0 drivers/net/ipvlan/ipvlan_core.c:668 ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:222 __netdev_start_xmit include/linux/netdevice.h:4882 [inline] netdev_start_xmit include/linux/netdevice.h:4896 [inline] xmit_one net/core/dev.c:3578 [inline] dev_hard_start_xmit+0x27a/0x7e0 net/core/dev.c:3594 __dev_queue_xmit+0x1b0e/0x3d30 net/core/dev.c:4393 dev_queue_xmit include/linux/netdevice.h:3095 [inline] neigh_hh_output include/net/neighbour.h:526 [inline] neigh_output include/net/neighbour.h:540 [inline] ip6_finish_output2+0xfc0/0x1670 net/ipv6/ip6_output.c:137 ip6_fragment+0x139c/0x2290 net/ipv6/ip6_output.c:1020 __ip6_finish_output net/ipv6/ip6_output.c:209 [inline] ip6_finish_output+0x2b8/0x810 net/ipv6/ip6_output.c:222 NF_HOOK include/linux/netfilter.h:314 [inline] ip6_xmit+0xefe/0x17f0 net/ipv6/ip6_output.c:358 sctp_v6_xmit+0x9f2/0x13f0 net/sctp/ipv6.c:248 sctp_packet_transmit+0x26ad/0x2ca0 net/sctp/output.c:653 sctp_packet_singleton+0x22c/0x320 net/sctp/outqueue.c:783 sctp_outq_flush_ctrl net/sctp/outqueue.c:914 [inline] sctp_outq_flush+0x6d5/0x3e20 net/sctp/outqueue.c:1212 sctp_side_effects net/sctp/sm_sideeffect.c:1198 [inline] sctp_do_sm+0x59cc/0x60c0 net/sctp/sm_sideeffect.c:1169 sctp_primitive_ASSOCIATE+0x95/0xc0 net/sctp/primitive.c:73 sctp_sendmsg_to_asoc+0xfa5/0x1800 net/sctp/socket.c:1841 sctp_sendmsg+0x1bc3/0x3520 net/sctp/socket.c:2031 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x1a6/0x270 net/socket.c:745 ____sys_sendmsg+0x525/0x7d0 net/socket.c:2585 ___sys_sendmsg net/socket.c:2639 [inline] __sys_sendmmsg+0x3b2/0x740 net/socket.c:2725 __do_sys_sendmmsg net/socket.c:2754 [inline] __se_sys_sendmmsg net/socket.c:2751 [inline] __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2751 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1c9727cf69 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1c980a50c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f1c973b3f80 RCX: 00007f1c9727cf69 RDX: 0000000000000044 RSI: 00000000200007c0 RDI: 0000000000000005 RBP: 00007f1c972da6fe R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000008040 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f1c973b3f80 R15: 00007fffe8b160f8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:instrument_atomic_read include/linux/instrumented.h:68 [inline] RIP: 0010:_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] RIP: 0010:hlock_class kernel/locking/lockdep.c:228 [inline] RIP: 0010:lookup_chain_cache_add kernel/locking/lockdep.c:3781 [inline] RIP: 0010:validate_chain+0x119/0x5900 kernel/locking/lockdep.c:3837 Code: 25 00 80 04 00 3d 00 00 04 00 0f 85 7b 04 00 00 81 e3 ff 1f 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 80 25 f7 92 be 08 00 00 00 a2 87 85 00 48 0f a3 1d 8a 0e 84 11 72 66 48 c7 c0 e0 a6 76 94 RSP: 0018:ffffc9000a1c8000 EFLAGS: 00010047 RAX: 0000000000000000 RBX: 0000000000000027 RCX: 1ffff92001439020 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff92f72580 RBP: ffffc9000a1c8300 R08: ffffffff92f72587 R09: 1ffffffff25ee4b0 R10: dffffc0000000000 R11: fffffbfff25ee4b1 R12: dffffc0000000000 R13: ffff888026428fb0 R14: 4912ddf75aee0fae R15: ffff888026428000 FS: 00007f1c980a56c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9000a1c7ff8 CR3: 00000000661cc000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 25 00 80 04 00 and $0x48000,%eax 5: 3d 00 00 04 00 cmp $0x40000,%eax a: 0f 85 7b 04 00 00 jne 0x48b 10: 81 e3 ff 1f 00 00 and $0x1fff,%ebx 16: 48 89 d8 mov %rbx,%rax 19: 48 c1 e8 06 shr $0x6,%rax 1d: 48 8d 3c c5 80 25 f7 lea -0x6d08da80(,%rax,8),%rdi 24: 92 25: be 08 00 00 00 mov $0x8,%esi * 2a: e8 a2 87 85 00 call 0x8587d1 <-- trapping instruction 2f: 48 0f a3 1d 8a 0e 84 bt %rbx,0x11840e8a(%rip) # 0x11840ec1 36: 11 37: 72 66 jb 0x9f 39: 48 c7 c0 e0 a6 76 94 mov $0xffffffff9476a6e0,%rax