BUG: TASK stack guard page was hit at ffffc9000397ffb8 (stack is ffffc90003980000..ffffc90003988000) Oops: stack guard page: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 0 UID: 0 PID: 20356 Comm: syz.0.3636 Not tainted 6.12.0-syzkaller-05481-gf26a29a038ee #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 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:3816 [inline] RIP: 0010:validate_chain+0x119/0x5920 kernel/locking/lockdep.c:3872 Code: 25 00 80 04 00 3d 00 00 04 00 0f 85 80 04 00 00 81 e3 ff 1f 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 80 c8 30 94 be 08 00 00 00 c2 70 8e 00 48 0f a3 1d 3a 83 bf 12 72 66 48 c7 c0 c0 39 41 9a RSP: 0018:ffffc9000397ffc0 EFLAGS: 00010047 RAX: 0000000000000000 RBX: 0000000000000027 RCX: 1ffff92000730018 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff9430c880 RBP: ffffc900039802c0 R08: ffffffff9430c887 R09: 1ffffffff2861910 R10: dffffc0000000000 R11: fffffbfff2861911 R12: dffffc0000000000 R13: ffff888030492d88 R14: 62e07fb49f0e0f3b R15: 0000000000000000 FS: 00007faea24d86c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9000397ffb8 CR3: 000000007dd80000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <#DF> __lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5226 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849 seqcount_lockdep_reader_access+0x127/0x1e0 include/linux/seqlock.h:72 read_seqbegin include/linux/seqlock.h:813 [inline] zone_span_seqbegin include/linux/memory_hotplug.h:103 [inline] page_outside_zone_boundaries mm/page_alloc.c:437 [inline] bad_range+0x5f/0x270 mm/page_alloc.c:456 rmqueue mm/page_alloc.c:3091 [inline] get_page_from_freelist+0x362d/0x3790 mm/page_alloc.c:3471 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4751 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:1556 prep_new_page mm/page_alloc.c:1564 [inline] get_page_from_freelist+0x3649/0x3790 mm/page_alloc.c:3474 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4751 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 mm/kasan/common.c:247 [inline] __kasan_slab_free+0x59/0x70 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:230 [inline] slab_free_hook mm/slub.c:2342 [inline] slab_free mm/slub.c:4579 [inline] kfree+0x1a0/0x440 mm/slub.c:4727 skb_kfree_head net/core/skbuff.c:1086 [inline] skb_free_head net/core/skbuff.c:1098 [inline] skb_release_data+0x6a0/0x8a0 net/core/skbuff.c:1125 skb_release_all net/core/skbuff.c:1190 [inline] kfree_skb_add_bulk net/core/skbuff.c:1263 [inline] kfree_skb_list_reason+0x2ee/0x750 net/core/skbuff.c:1285 kfree_skb_list include/linux/skbuff.h:1283 [inline] ip6_fragment+0x1c86/0x22c0 net/ipv6/ip6_output.c:987 __ip6_finish_output net/ipv6/ip6_output.c:213 [inline] ip6_finish_output+0x2b8/0x840 net/ipv6/ip6_output.c:226 ipvlan_process_v6_outbound drivers/net/ipvlan/ipvlan_core.c:500 [inline] ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:541 [inline] ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:605 [inline] ipvlan_queue_xmit+0x8a7/0x1190 drivers/net/ipvlan/ipvlan_core.c:671 ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:223 __netdev_start_xmit include/linux/netdevice.h:5002 [inline] netdev_start_xmit include/linux/netdevice.h:5011 [inline] xmit_one net/core/dev.c:3590 [inline] dev_hard_start_xmit+0x27a/0x7e0 net/core/dev.c:3606 __dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4434 dev_queue_xmit include/linux/netdevice.h:3168 [inline] neigh_hh_output include/net/neighbour.h:523 [inline] neigh_output include/net/neighbour.h:537 [inline] ip6_finish_output2+0x1284/0x17b0 net/ipv6/ip6_output.c:141 ip6_fragment+0x1adc/0x22c0 net/ipv6/ip6_output.c:967 __ip6_finish_output net/ipv6/ip6_output.c:213 [inline] ip6_finish_output+0x2b8/0x840 net/ipv6/ip6_output.c:226 ipvlan_process_v6_outbound drivers/net/ipvlan/ipvlan_core.c:500 [inline] ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:541 [inline] ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:605 [inline] ipvlan_queue_xmit+0x8a7/0x1190 drivers/net/ipvlan/ipvlan_core.c:671 ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:223 __netdev_start_xmit include/linux/netdevice.h:5002 [inline] netdev_start_xmit include/linux/netdevice.h:5011 [inline] xmit_one net/core/dev.c:3590 [inline] dev_hard_start_xmit+0x27a/0x7e0 net/core/dev.c:3606 __dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4434 dev_queue_xmit include/linux/netdevice.h:3168 [inline] neigh_hh_output include/net/neighbour.h:523 [inline] neigh_output include/net/neighbour.h:537 [inline] ip6_finish_output2+0x1284/0x17b0 net/ipv6/ip6_output.c:141 ip6_fragment+0x1adc/0x22c0 net/ipv6/ip6_output.c:967 __ip6_finish_output net/ipv6/ip6_output.c:213 [inline] ip6_finish_output+0x2b8/0x840 net/ipv6/ip6_output.c:226 ipvlan_process_v6_outbound drivers/net/ipvlan/ipvlan_core.c:500 [inline] ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:541 [inline] ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:605 [inline] ipvlan_queue_xmit+0x8a7/0x1190 drivers/net/ipvlan/ipvlan_core.c:671 ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:223 __netdev_start_xmit include/linux/netdevice.h:5002 [inline] netdev_start_xmit include/linux/netdevice.h:5011 [inline] xmit_one net/core/dev.c:3590 [inline] dev_hard_start_xmit+0x27a/0x7e0 net/core/dev.c:3606 __dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4434 dev_queue_xmit include/linux/netdevice.h:3168 [inline] neigh_hh_output include/net/neighbour.h:523 [inline] neigh_output include/net/neighbour.h:537 [inline] ip6_finish_output2+0x1284/0x17b0 net/ipv6/ip6_output.c:141 ip6_fragment+0x1adc/0x22c0 net/ipv6/ip6_output.c:967 __ip6_finish_output net/ipv6/ip6_output.c:213 [inline] ip6_finish_output+0x2b8/0x840 net/ipv6/ip6_output.c:226 ipvlan_process_v6_outbound drivers/net/ipvlan/ipvlan_core.c:500 [inline] ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:541 [inline] ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:605 [inline] ipvlan_queue_xmit+0x8a7/0x1190 drivers/net/ipvlan/ipvlan_core.c:671 ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:223 __netdev_start_xmit include/linux/netdevice.h:5002 [inline] netdev_start_xmit include/linux/netdevice.h:5011 [inline] xmit_one net/core/dev.c:3590 [inline] dev_hard_start_xmit+0x27a/0x7e0 net/core/dev.c:3606 __dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4434 dev_queue_xmit include/linux/netdevice.h:3168 [inline] neigh_hh_output include/net/neighbour.h:523 [inline] neigh_output include/net/neighbour.h:537 [inline] ip6_finish_output2+0x1284/0x17b0 net/ipv6/ip6_output.c:141 ip6_fragment+0x1adc/0x22c0 net/ipv6/ip6_output.c:967 __ip6_finish_output net/ipv6/ip6_output.c:213 [inline] ip6_finish_output+0x2b8/0x840 net/ipv6/ip6_output.c:226 ipvlan_process_v6_outbound drivers/net/ipvlan/ipvlan_core.c:500 [inline] ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:541 [inline] ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:605 [inline] ipvlan_queue_xmit+0x8a7/0x1190 drivers/net/ipvlan/ipvlan_core.c:671 ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:223 __netdev_start_xmit include/linux/netdevice.h:5002 [inline] netdev_start_xmit include/linux/netdevice.h:5011 [inline] xmit_one net/core/dev.c:3590 [inline] dev_hard_start_xmit+0x27a/0x7e0 net/core/dev.c:3606 __dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4434 dev_queue_xmit include/linux/netdevice.h:3168 [inline] neigh_hh_output include/net/neighbour.h:523 [inline] neigh_output include/net/neighbour.h:537 [inline] ip6_finish_output2+0x1284/0x17b0 net/ipv6/ip6_output.c:141 ip6_fragment+0x1adc/0x22c0 net/ipv6/ip6_output.c:967 __ip6_finish_output net/ipv6/ip6_output.c:213 [inline] ip6_finish_output+0x2b8/0x840 net/ipv6/ip6_output.c:226 ipvlan_process_v6_outbound drivers/net/ipvlan/ipvlan_core.c:500 [inline] ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:541 [inline] ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:605 [inline] ipvlan_queue_xmit+0x8a7/0x1190 drivers/net/ipvlan/ipvlan_core.c:671 ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:223 __netdev_start_xmit include/linux/netdevice.h:5002 [inline] netdev_start_xmit include/linux/netdevice.h:5011 [inline] xmit_one net/core/dev.c:3590 [inline] dev_hard_start_xmit+0x27a/0x7e0 net/core/dev.c:3606 __dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4434 dev_queue_xmit include/linux/netdevice.h:3168 [inline] neigh_hh_output include/net/neighbour.h:523 [inline] neigh_output include/net/neighbour.h:537 [inline] ip6_finish_output2+0x1284/0x17b0 net/ipv6/ip6_output.c:141 ip6_fragment+0x1adc/0x22c0 net/ipv6/ip6_output.c:967 __ip6_finish_output net/ipv6/ip6_output.c:213 [inline] ip6_finish_output+0x2b8/0x840 net/ipv6/ip6_output.c:226 ipvlan_process_v6_outbound drivers/net/ipvlan/ipvlan_core.c:500 [inline] ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:541 [inline] ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:605 [inline] ipvlan_queue_xmit+0x8a7/0x1190 drivers/net/ipvlan/ipvlan_core.c:671 ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:223 __netdev_start_xmit include/linux/netdevice.h:5002 [inline] netdev_start_xmit include/linux/netdevice.h:5011 [inline] xmit_one net/core/dev.c:3590 [inline] dev_hard_start_xmit+0x27a/0x7e0 net/core/dev.c:3606 __dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4434 dev_queue_xmit include/linux/netdevice.h:3168 [inline] neigh_hh_output include/net/neighbour.h:523 [inline] neigh_output include/net/neighbour.h:537 [inline] ip6_finish_output2+0x1284/0x17b0 net/ipv6/ip6_output.c:141 ip6_fragment+0x1adc/0x22c0 net/ipv6/ip6_output.c:967 __ip6_finish_output net/ipv6/ip6_output.c:213 [inline] ip6_finish_output+0x2b8/0x840 net/ipv6/ip6_output.c:226 ipvlan_process_v6_outbound drivers/net/ipvlan/ipvlan_core.c:500 [inline] ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:541 [inline] ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:605 [inline] ipvlan_queue_xmit+0x8a7/0x1190 drivers/net/ipvlan/ipvlan_core.c:671 ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:223 __netdev_start_xmit include/linux/netdevice.h:5002 [inline] netdev_start_xmit include/linux/netdevice.h:5011 [inline] xmit_one net/core/dev.c:3590 [inline] dev_hard_start_xmit+0x27a/0x7e0 net/core/dev.c:3606 __dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4434 dev_queue_xmit include/linux/netdevice.h:3168 [inline] neigh_hh_output include/net/neighbour.h:523 [inline] neigh_output include/net/neighbour.h:537 [inline] ip6_finish_output2+0x1284/0x17b0 net/ipv6/ip6_output.c:141 ip6_fragment+0x1adc/0x22c0 net/ipv6/ip6_output.c:967 __ip6_finish_output net/ipv6/ip6_output.c:213 [inline] ip6_finish_output+0x2b8/0x840 net/ipv6/ip6_output.c:226 ipvlan_process_v6_outbound drivers/net/ipvlan/ipvlan_core.c:500 [inline] ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:541 [inline] ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:605 [inline] ipvlan_queue_xmit+0x8a7/0x1190 drivers/net/ipvlan/ipvlan_core.c:671 ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:223 __netdev_start_xmit include/linux/netdevice.h:5002 [inline] netdev_start_xmit include/linux/netdevice.h:5011 [inline] xmit_one net/core/dev.c:3590 [inline] dev_hard_start_xmit+0x27a/0x7e0 net/core/dev.c:3606 __dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4434 dev_queue_xmit include/linux/netdevice.h:3168 [inline] neigh_hh_output include/net/neighbour.h:523 [inline] neigh_output include/net/neighbour.h:537 [inline] ip6_finish_output2+0x1284/0x17b0 net/ipv6/ip6_output.c:141 ip6_fragment+0x164e/0x22c0 net/ipv6/ip6_output.c:1028 __ip6_finish_output net/ipv6/ip6_output.c:213 [inline] ip6_finish_output+0x2b8/0x840 net/ipv6/ip6_output.c:226 NF_HOOK include/linux/netfilter.h:314 [inline] ip6_xmit+0xed8/0x18a0 net/ipv6/ip6_output.c:366 sctp_v6_xmit+0xa60/0x14a0 net/sctp/ipv6.c:248 sctp_packet_transmit+0x26d6/0x2cc0 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:711 [inline] __sock_sendmsg+0x1a6/0x270 net/socket.c:726 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2583 ___sys_sendmsg net/socket.c:2637 [inline] __sys_sendmmsg+0x36a/0x720 net/socket.c:2726 __do_sys_sendmmsg net/socket.c:2753 [inline] __se_sys_sendmmsg net/socket.c:2750 [inline] __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2750 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: 0033:0x7faea177e819 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:00007faea24d8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007faea1935fa0 RCX: 00007faea177e819 RDX: 0000000000000002 RSI: 0000000020000a40 RDI: 0000000000000008 RBP: 00007faea17f175e R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000c0c0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007faea1935fa0 R15: 00007ffd5ca61328 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:3816 [inline] RIP: 0010:validate_chain+0x119/0x5920 kernel/locking/lockdep.c:3872 Code: 25 00 80 04 00 3d 00 00 04 00 0f 85 80 04 00 00 81 e3 ff 1f 00 00 48 89 d8 48 c1 e8 06 48 8d 3c c5 80 c8 30 94 be 08 00 00 00 c2 70 8e 00 48 0f a3 1d 3a 83 bf 12 72 66 48 c7 c0 c0 39 41 9a RSP: 0018:ffffc9000397ffc0 EFLAGS: 00010047 RAX: 0000000000000000 RBX: 0000000000000027 RCX: 1ffff92000730018 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff9430c880 RBP: ffffc900039802c0 R08: ffffffff9430c887 R09: 1ffffffff2861910 R10: dffffc0000000000 R11: fffffbfff2861911 R12: dffffc0000000000 R13: ffff888030492d88 R14: 62e07fb49f0e0f3b R15: 0000000000000000 FS: 00007faea24d86c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9000397ffb8 CR3: 000000007dd80000 CR4: 00000000003526f0 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 80 04 00 00 jne 0x490 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 c8 30 lea -0x6bcf3780(,%rax,8),%rdi 24: 94 25: be 08 00 00 00 mov $0x8,%esi * 2a: e8 c2 70 8e 00 call 0x8e70f1 <-- trapping instruction 2f: 48 0f a3 1d 3a 83 bf bt %rbx,0x12bf833a(%rip) # 0x12bf8371 36: 12 37: 72 66 jb 0x9f 39: 48 c7 c0 c0 39 41 9a mov $0xffffffff9a4139c0,%rax