[moderation] [mm?] BUG: stack guard page was hit in sys_sendmmsg (2)
2 views
Skip to first unread message
syzbot
Mar 10, 2025, 12:06:40 PM3/10/25
to syzkaller-upst...@googlegroups.com
Hello,
syzbot found the following issue on:
HEAD commit: ccc2f5a436fb net: dsa: mt7530: Fix traffic flooding for MM..
git tree: net
console output: https://syzkaller.appspot.com/x/log.txt?x=1062fda8580000
kernel config: https://syzkaller.appspot.com/x/.config?x=5b4c41bdaeea1964
dashboard link: https://syzkaller.appspot.com/bug?extid=4a4c20161feb194b36c4
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
CC: [ak...@linux-foundation.org linux-...@vger.kernel.org linu...@kvack.org net...@vger.kernel.org]
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/3aefdb8b7ff7/disk-ccc2f5a4.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/96e0fd0ea0ad/vmlinux-ccc2f5a4.xz
kernel image: https://storage.googleapis.com/syzbot-assets/e7c4310217a6/bzImage-ccc2f5a4.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+4a4c20...@syzkaller.appspotmail.com
BUG: TASK stack guard page was hit at ffffc9000385ff38 (stack is ffffc90003860000..ffffc90003868000)
Oops: stack guard page: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 11217 Comm: syz.0.1163 Not tainted 6.14.0-rc4-syzkaller-00210-gccc2f5a436fb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:validate_chain+0x1f/0x5920 kernel/locking/lockdep.c:3862
Code: 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec c0 02 00 00 49 89 ce <89> 54 24 58 48 89 bc 24 80 00 00 00 65 48 8b 04 25 28 00 00 00 48
RSP: 0018:ffffc9000385ff40 EFLAGS: 00010082
RAX: 1ffffffff27d86d0 RBX: ffffffff93ec3680 RCX: 52c2f5d96211ef35
RDX: 0000000000000000 RSI: ffff88802dfc8f78 RDI: ffff88802dfc8000
RBP: ffffc90003860240 R08: ffffffff94549847 R09: 1ffffffff28a9308
R10: dffffc0000000000 R11: fffffbfff28a9309 R12: ffff88802dfc8000
R13: ffff88802dfc8000 R14: 52c2f5d96211ef35 R15: 0000000000000000
FS: 00007f4e6812b6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc9000385ff38 CR3: 000000003314c000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<#DF>
</#DF>
<TASK>
__lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5228
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851
__raw_spin_trylock include/linux/spinlock_api_smp.h:90 [inline]
_raw_spin_trylock+0x46/0x80 kernel/locking/spinlock.c:138
spin_trylock include/linux/spinlock.h:361 [inline]
rmqueue_pcplist mm/page_alloc.c:3033 [inline]
rmqueue mm/page_alloc.c:3077 [inline]
get_page_from_freelist+0x7d3/0x37a0 mm/page_alloc.c:3474
__alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739
alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270
alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline]
alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361
stack_depot_save_flags+0x72d/0x940 lib/stackdepot.c:627
save_stack+0x109/0x1f0 mm/page_owner.c:157
__set_page_owner+0x89/0x530 mm/page_owner.c:320
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
prep_new_page mm/page_alloc.c:1559 [inline]
get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477
__alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739
alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270
alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline]
alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361
stack_depot_save_flags+0x72d/0x940 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:576
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:233 [inline]
slab_free_hook mm/slub.c:2353 [inline]
slab_free mm/slub.c:4609 [inline]
kfree+0x196/0x430 mm/slub.c:4757
skb_kfree_head net/core/skbuff.c:996 [inline]
skb_free_head net/core/skbuff.c:1008 [inline]
skb_release_data+0x6a0/0x8a0 net/core/skbuff.c:1035
skb_release_all net/core/skbuff.c:1100 [inline]
kfree_skb_add_bulk net/core/skbuff.c:1173 [inline]
kfree_skb_list_reason+0x2ee/0x750 net/core/skbuff.c:1195
kfree_skb_list include/linux/skbuff.h:1291 [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:511 [inline]
ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:552 [inline]
ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:616 [inline]
ipvlan_queue_xmit+0xb5e/0x13f0 drivers/net/ipvlan/ipvlan_core.c:682
ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:223
__netdev_start_xmit include/linux/netdevice.h:5151 [inline]
netdev_start_xmit include/linux/netdevice.h:5160 [inline]
xmit_one net/core/dev.c:3800 [inline]
dev_hard_start_xmit+0x27a/0x7d0 net/core/dev.c:3816
__dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4649
dev_queue_xmit include/linux/netdevice.h:3313 [inline]
neigh_hh_output include/net/neighbour.h:523 [inline]
neigh_output include/net/neighbour.h:537 [inline]
ip6_finish_output2+0x127d/0x17c0 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:511 [inline]
ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:552 [inline]
ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:616 [inline]
ipvlan_queue_xmit+0xb5e/0x13f0 drivers/net/ipvlan/ipvlan_core.c:682
ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:223
__netdev_start_xmit include/linux/netdevice.h:5151 [inline]
netdev_start_xmit include/linux/netdevice.h:5160 [inline]
xmit_one net/core/dev.c:3800 [inline]
dev_hard_start_xmit+0x27a/0x7d0 net/core/dev.c:3816
__dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4649
dev_queue_xmit include/linux/netdevice.h:3313 [inline]
neigh_hh_output include/net/neighbour.h:523 [inline]
neigh_output include/net/neighbour.h:537 [inline]
ip6_finish_output2+0x127d/0x17c0 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:511 [inline]
ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:552 [inline]
ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:616 [inline]
ipvlan_queue_xmit+0xb5e/0x13f0 drivers/net/ipvlan/ipvlan_core.c:682
ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:223
__netdev_start_xmit include/linux/netdevice.h:5151 [inline]
netdev_start_xmit include/linux/netdevice.h:5160 [inline]
xmit_one net/core/dev.c:3800 [inline]
dev_hard_start_xmit+0x27a/0x7d0 net/core/dev.c:3816
__dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4649
dev_queue_xmit include/linux/netdevice.h:3313 [inline]
neigh_hh_output include/net/neighbour.h:523 [inline]
neigh_output include/net/neighbour.h:537 [inline]
ip6_finish_output2+0x127d/0x17c0 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:511 [inline]
ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:552 [inline]
ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:616 [inline]
ipvlan_queue_xmit+0xb5e/0x13f0 drivers/net/ipvlan/ipvlan_core.c:682
ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:223
__netdev_start_xmit include/linux/netdevice.h:5151 [inline]
netdev_start_xmit include/linux/netdevice.h:5160 [inline]
xmit_one net/core/dev.c:3800 [inline]
dev_hard_start_xmit+0x27a/0x7d0 net/core/dev.c:3816
__dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4649
dev_queue_xmit include/linux/netdevice.h:3313 [inline]
neigh_hh_output include/net/neighbour.h:523 [inline]
neigh_output include/net/neighbour.h:537 [inline]
ip6_finish_output2+0x127d/0x17c0 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:511 [inline]
ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:552 [inline]
ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:616 [inline]
ipvlan_queue_xmit+0xb5e/0x13f0 drivers/net/ipvlan/ipvlan_core.c:682
ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:223
__netdev_start_xmit include/linux/netdevice.h:5151 [inline]
netdev_start_xmit include/linux/netdevice.h:5160 [inline]
xmit_one net/core/dev.c:3800 [inline]
dev_hard_start_xmit+0x27a/0x7d0 net/core/dev.c:3816
__dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4649
dev_queue_xmit include/linux/netdevice.h:3313 [inline]
neigh_hh_output include/net/neighbour.h:523 [inline]
neigh_output include/net/neighbour.h:537 [inline]
ip6_finish_output2+0x127d/0x17c0 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:511 [inline]
ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:552 [inline]
ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:616 [inline]
ipvlan_queue_xmit+0xb5e/0x13f0 drivers/net/ipvlan/ipvlan_core.c:682
ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:223
__netdev_start_xmit include/linux/netdevice.h:5151 [inline]
netdev_start_xmit include/linux/netdevice.h:5160 [inline]
xmit_one net/core/dev.c:3800 [inline]
dev_hard_start_xmit+0x27a/0x7d0 net/core/dev.c:3816
__dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4649
dev_queue_xmit include/linux/netdevice.h:3313 [inline]
neigh_hh_output include/net/neighbour.h:523 [inline]
neigh_output include/net/neighbour.h:537 [inline]
ip6_finish_output2+0x127d/0x17c0 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:511 [inline]
ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:552 [inline]
ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:616 [inline]
ipvlan_queue_xmit+0xb5e/0x13f0 drivers/net/ipvlan/ipvlan_core.c:682
ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:223
__netdev_start_xmit include/linux/netdevice.h:5151 [inline]
netdev_start_xmit include/linux/netdevice.h:5160 [inline]
xmit_one net/core/dev.c:3800 [inline]
dev_hard_start_xmit+0x27a/0x7d0 net/core/dev.c:3816
__dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4649
dev_queue_xmit include/linux/netdevice.h:3313 [inline]
neigh_hh_output include/net/neighbour.h:523 [inline]
neigh_output include/net/neighbour.h:537 [inline]
ip6_finish_output2+0x127d/0x17c0 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:511 [inline]
ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:552 [inline]
ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:616 [inline]
ipvlan_queue_xmit+0xb5e/0x13f0 drivers/net/ipvlan/ipvlan_core.c:682
ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:223
__netdev_start_xmit include/linux/netdevice.h:5151 [inline]
netdev_start_xmit include/linux/netdevice.h:5160 [inline]
xmit_one net/core/dev.c:3800 [inline]
dev_hard_start_xmit+0x27a/0x7d0 net/core/dev.c:3816
__dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4649
dev_queue_xmit include/linux/netdevice.h:3313 [inline]
neigh_hh_output include/net/neighbour.h:523 [inline]
neigh_output include/net/neighbour.h:537 [inline]
ip6_finish_output2+0x127d/0x17c0 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:511 [inline]
ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:552 [inline]
ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:616 [inline]
ipvlan_queue_xmit+0xb5e/0x13f0 drivers/net/ipvlan/ipvlan_core.c:682
ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:223
__netdev_start_xmit include/linux/netdevice.h:5151 [inline]
netdev_start_xmit include/linux/netdevice.h:5160 [inline]
xmit_one net/core/dev.c:3800 [inline]
dev_hard_start_xmit+0x27a/0x7d0 net/core/dev.c:3816
__dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4649
dev_queue_xmit include/linux/netdevice.h:3313 [inline]
neigh_hh_output include/net/neighbour.h:523 [inline]
neigh_output include/net/neighbour.h:537 [inline]
ip6_finish_output2+0x127d/0x17c0 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+0x1108/0x1a20 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+0x242e/0x35d0 net/sctp/socket.c:2031
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg+0x1a6/0x270 net/socket.c:733
____sys_sendmsg+0x53a/0x860 net/socket.c:2573
___sys_sendmsg net/socket.c:2627 [inline]
__sys_sendmmsg+0x36a/0x720 net/socket.c:2716
__do_sys_sendmmsg net/socket.c:2743 [inline]
__se_sys_sendmmsg net/socket.c:2740 [inline]
__x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2740
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: 0033:0x7f4e6738d169
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:00007f4e6812b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f4e675a6080 RCX: 00007f4e6738d169
RDX: 0000000000000001 RSI: 00004000000025c0 RDI: 0000000000000005
RBP: 00007f4e6740e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4e675a6080 R15: 00007ffd6ccf98c8
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:validate_chain+0x1f/0x5920 kernel/locking/lockdep.c:3862
Code: 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec c0 02 00 00 49 89 ce <89> 54 24 58 48 89 bc 24 80 00 00 00 65 48 8b 04 25 28 00 00 00 48
RSP: 0018:ffffc9000385ff40 EFLAGS: 00010082
RAX: 1ffffffff27d86d0 RBX: ffffffff93ec3680 RCX: 52c2f5d96211ef35
RDX: 0000000000000000 RSI: ffff88802dfc8f78 RDI: ffff88802dfc8000
RBP: ffffc90003860240 R08: ffffffff94549847 R09: 1ffffffff28a9308
R10: dffffc0000000000 R11: fffffbfff28a9309 R12: ffff88802dfc8000
R13: ffff88802dfc8000 R14: 52c2f5d96211ef35 R15: 0000000000000000
FS: 00007f4e6812b6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc9000385ff38 CR3: 000000003314c000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 90 nop
1: 90 nop
2: 90 nop
3: 90 nop
4: 90 nop
5: 90 nop
6: 90 nop
7: 90 nop
8: 90 nop
9: 90 nop
a: 90 nop
b: f3 0f 1e fa endbr64
f: 55 push %rbp
10: 48 89 e5 mov %rsp,%rbp
13: 41 57 push %r15
15: 41 56 push %r14
17: 41 55 push %r13
19: 41 54 push %r12
1b: 53 push %rbx
1c: 48 83 e4 e0 and $0xffffffffffffffe0,%rsp
20: 48 81 ec c0 02 00 00 sub $0x2c0,%rsp
27: 49 89 ce mov %rcx,%r14
* 2a: 89 54 24 58 mov %edx,0x58(%rsp) <-- trapping instruction
2e: 48 89 bc 24 80 00 00 mov %rdi,0x80(%rsp)
35: 00
36: 65 48 8b 04 25 28 00 mov %gs:0x28,%rax
3d: 00 00
3f: 48 rex.W
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
syzbot found the following issue on:
HEAD commit: ccc2f5a436fb net: dsa: mt7530: Fix traffic flooding for MM..
git tree: net
console output: https://syzkaller.appspot.com/x/log.txt?x=1062fda8580000
kernel config: https://syzkaller.appspot.com/x/.config?x=5b4c41bdaeea1964
dashboard link: https://syzkaller.appspot.com/bug?extid=4a4c20161feb194b36c4
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
CC: [ak...@linux-foundation.org linux-...@vger.kernel.org linu...@kvack.org net...@vger.kernel.org]
Unfortunately, I don't have any reproducer for this issue yet.
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/3aefdb8b7ff7/disk-ccc2f5a4.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/96e0fd0ea0ad/vmlinux-ccc2f5a4.xz
kernel image: https://storage.googleapis.com/syzbot-assets/e7c4310217a6/bzImage-ccc2f5a4.xz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+4a4c20...@syzkaller.appspotmail.com
BUG: TASK stack guard page was hit at ffffc9000385ff38 (stack is ffffc90003860000..ffffc90003868000)
Oops: stack guard page: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 11217 Comm: syz.0.1163 Not tainted 6.14.0-rc4-syzkaller-00210-gccc2f5a436fb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:validate_chain+0x1f/0x5920 kernel/locking/lockdep.c:3862
Code: 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec c0 02 00 00 49 89 ce <89> 54 24 58 48 89 bc 24 80 00 00 00 65 48 8b 04 25 28 00 00 00 48
RSP: 0018:ffffc9000385ff40 EFLAGS: 00010082
RAX: 1ffffffff27d86d0 RBX: ffffffff93ec3680 RCX: 52c2f5d96211ef35
RDX: 0000000000000000 RSI: ffff88802dfc8f78 RDI: ffff88802dfc8000
RBP: ffffc90003860240 R08: ffffffff94549847 R09: 1ffffffff28a9308
R10: dffffc0000000000 R11: fffffbfff28a9309 R12: ffff88802dfc8000
R13: ffff88802dfc8000 R14: 52c2f5d96211ef35 R15: 0000000000000000
FS: 00007f4e6812b6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc9000385ff38 CR3: 000000003314c000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<#DF>
</#DF>
<TASK>
__lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5228
lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851
__raw_spin_trylock include/linux/spinlock_api_smp.h:90 [inline]
_raw_spin_trylock+0x46/0x80 kernel/locking/spinlock.c:138
spin_trylock include/linux/spinlock.h:361 [inline]
rmqueue_pcplist mm/page_alloc.c:3033 [inline]
rmqueue mm/page_alloc.c:3077 [inline]
get_page_from_freelist+0x7d3/0x37a0 mm/page_alloc.c:3474
__alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739
alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270
alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline]
alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361
stack_depot_save_flags+0x72d/0x940 lib/stackdepot.c:627
save_stack+0x109/0x1f0 mm/page_owner.c:157
__set_page_owner+0x89/0x530 mm/page_owner.c:320
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f4/0x240 mm/page_alloc.c:1551
prep_new_page mm/page_alloc.c:1559 [inline]
get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3477
__alloc_frozen_pages_noprof+0x292/0x710 mm/page_alloc.c:4739
alloc_pages_mpol+0x311/0x660 mm/mempolicy.c:2270
alloc_frozen_pages_noprof mm/mempolicy.c:2341 [inline]
alloc_pages_noprof+0x121/0x190 mm/mempolicy.c:2361
stack_depot_save_flags+0x72d/0x940 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:576
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:233 [inline]
slab_free_hook mm/slub.c:2353 [inline]
slab_free mm/slub.c:4609 [inline]
kfree+0x196/0x430 mm/slub.c:4757
skb_kfree_head net/core/skbuff.c:996 [inline]
skb_free_head net/core/skbuff.c:1008 [inline]
skb_release_data+0x6a0/0x8a0 net/core/skbuff.c:1035
skb_release_all net/core/skbuff.c:1100 [inline]
kfree_skb_add_bulk net/core/skbuff.c:1173 [inline]
kfree_skb_list_reason+0x2ee/0x750 net/core/skbuff.c:1195
kfree_skb_list include/linux/skbuff.h:1291 [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:511 [inline]
ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:552 [inline]
ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:616 [inline]
ipvlan_queue_xmit+0xb5e/0x13f0 drivers/net/ipvlan/ipvlan_core.c:682
ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:223
__netdev_start_xmit include/linux/netdevice.h:5151 [inline]
netdev_start_xmit include/linux/netdevice.h:5160 [inline]
xmit_one net/core/dev.c:3800 [inline]
dev_hard_start_xmit+0x27a/0x7d0 net/core/dev.c:3816
__dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4649
dev_queue_xmit include/linux/netdevice.h:3313 [inline]
neigh_hh_output include/net/neighbour.h:523 [inline]
neigh_output include/net/neighbour.h:537 [inline]
ip6_finish_output2+0x127d/0x17c0 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:511 [inline]
ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:552 [inline]
ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:616 [inline]
ipvlan_queue_xmit+0xb5e/0x13f0 drivers/net/ipvlan/ipvlan_core.c:682
ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:223
__netdev_start_xmit include/linux/netdevice.h:5151 [inline]
netdev_start_xmit include/linux/netdevice.h:5160 [inline]
xmit_one net/core/dev.c:3800 [inline]
dev_hard_start_xmit+0x27a/0x7d0 net/core/dev.c:3816
__dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4649
dev_queue_xmit include/linux/netdevice.h:3313 [inline]
neigh_hh_output include/net/neighbour.h:523 [inline]
neigh_output include/net/neighbour.h:537 [inline]
ip6_finish_output2+0x127d/0x17c0 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:511 [inline]
ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:552 [inline]
ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:616 [inline]
ipvlan_queue_xmit+0xb5e/0x13f0 drivers/net/ipvlan/ipvlan_core.c:682
ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:223
__netdev_start_xmit include/linux/netdevice.h:5151 [inline]
netdev_start_xmit include/linux/netdevice.h:5160 [inline]
xmit_one net/core/dev.c:3800 [inline]
dev_hard_start_xmit+0x27a/0x7d0 net/core/dev.c:3816
__dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4649
dev_queue_xmit include/linux/netdevice.h:3313 [inline]
neigh_hh_output include/net/neighbour.h:523 [inline]
neigh_output include/net/neighbour.h:537 [inline]
ip6_finish_output2+0x127d/0x17c0 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:511 [inline]
ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:552 [inline]
ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:616 [inline]
ipvlan_queue_xmit+0xb5e/0x13f0 drivers/net/ipvlan/ipvlan_core.c:682
ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:223
__netdev_start_xmit include/linux/netdevice.h:5151 [inline]
netdev_start_xmit include/linux/netdevice.h:5160 [inline]
xmit_one net/core/dev.c:3800 [inline]
dev_hard_start_xmit+0x27a/0x7d0 net/core/dev.c:3816
__dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4649
dev_queue_xmit include/linux/netdevice.h:3313 [inline]
neigh_hh_output include/net/neighbour.h:523 [inline]
neigh_output include/net/neighbour.h:537 [inline]
ip6_finish_output2+0x127d/0x17c0 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:511 [inline]
ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:552 [inline]
ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:616 [inline]
ipvlan_queue_xmit+0xb5e/0x13f0 drivers/net/ipvlan/ipvlan_core.c:682
ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:223
__netdev_start_xmit include/linux/netdevice.h:5151 [inline]
netdev_start_xmit include/linux/netdevice.h:5160 [inline]
xmit_one net/core/dev.c:3800 [inline]
dev_hard_start_xmit+0x27a/0x7d0 net/core/dev.c:3816
__dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4649
dev_queue_xmit include/linux/netdevice.h:3313 [inline]
neigh_hh_output include/net/neighbour.h:523 [inline]
neigh_output include/net/neighbour.h:537 [inline]
ip6_finish_output2+0x127d/0x17c0 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:511 [inline]
ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:552 [inline]
ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:616 [inline]
ipvlan_queue_xmit+0xb5e/0x13f0 drivers/net/ipvlan/ipvlan_core.c:682
ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:223
__netdev_start_xmit include/linux/netdevice.h:5151 [inline]
netdev_start_xmit include/linux/netdevice.h:5160 [inline]
xmit_one net/core/dev.c:3800 [inline]
dev_hard_start_xmit+0x27a/0x7d0 net/core/dev.c:3816
__dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4649
dev_queue_xmit include/linux/netdevice.h:3313 [inline]
neigh_hh_output include/net/neighbour.h:523 [inline]
neigh_output include/net/neighbour.h:537 [inline]
ip6_finish_output2+0x127d/0x17c0 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:511 [inline]
ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:552 [inline]
ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:616 [inline]
ipvlan_queue_xmit+0xb5e/0x13f0 drivers/net/ipvlan/ipvlan_core.c:682
ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:223
__netdev_start_xmit include/linux/netdevice.h:5151 [inline]
netdev_start_xmit include/linux/netdevice.h:5160 [inline]
xmit_one net/core/dev.c:3800 [inline]
dev_hard_start_xmit+0x27a/0x7d0 net/core/dev.c:3816
__dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4649
dev_queue_xmit include/linux/netdevice.h:3313 [inline]
neigh_hh_output include/net/neighbour.h:523 [inline]
neigh_output include/net/neighbour.h:537 [inline]
ip6_finish_output2+0x127d/0x17c0 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:511 [inline]
ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:552 [inline]
ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:616 [inline]
ipvlan_queue_xmit+0xb5e/0x13f0 drivers/net/ipvlan/ipvlan_core.c:682
ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:223
__netdev_start_xmit include/linux/netdevice.h:5151 [inline]
netdev_start_xmit include/linux/netdevice.h:5160 [inline]
xmit_one net/core/dev.c:3800 [inline]
dev_hard_start_xmit+0x27a/0x7d0 net/core/dev.c:3816
__dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4649
dev_queue_xmit include/linux/netdevice.h:3313 [inline]
neigh_hh_output include/net/neighbour.h:523 [inline]
neigh_output include/net/neighbour.h:537 [inline]
ip6_finish_output2+0x127d/0x17c0 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:511 [inline]
ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:552 [inline]
ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:616 [inline]
ipvlan_queue_xmit+0xb5e/0x13f0 drivers/net/ipvlan/ipvlan_core.c:682
ipvlan_start_xmit+0x4a/0x150 drivers/net/ipvlan/ipvlan_main.c:223
__netdev_start_xmit include/linux/netdevice.h:5151 [inline]
netdev_start_xmit include/linux/netdevice.h:5160 [inline]
xmit_one net/core/dev.c:3800 [inline]
dev_hard_start_xmit+0x27a/0x7d0 net/core/dev.c:3816
__dev_queue_xmit+0x1b73/0x3f50 net/core/dev.c:4649
dev_queue_xmit include/linux/netdevice.h:3313 [inline]
neigh_hh_output include/net/neighbour.h:523 [inline]
neigh_output include/net/neighbour.h:537 [inline]
ip6_finish_output2+0x127d/0x17c0 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+0x1108/0x1a20 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+0x242e/0x35d0 net/sctp/socket.c:2031
sock_sendmsg_nosec net/socket.c:718 [inline]
__sock_sendmsg+0x1a6/0x270 net/socket.c:733
____sys_sendmsg+0x53a/0x860 net/socket.c:2573
___sys_sendmsg net/socket.c:2627 [inline]
__sys_sendmmsg+0x36a/0x720 net/socket.c:2716
__do_sys_sendmmsg net/socket.c:2743 [inline]
__se_sys_sendmmsg net/socket.c:2740 [inline]
__x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2740
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: 0033:0x7f4e6738d169
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:00007f4e6812b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f4e675a6080 RCX: 00007f4e6738d169
RDX: 0000000000000001 RSI: 00004000000025c0 RDI: 0000000000000005
RBP: 00007f4e6740e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f4e675a6080 R15: 00007ffd6ccf98c8
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:validate_chain+0x1f/0x5920 kernel/locking/lockdep.c:3862
Code: 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec c0 02 00 00 49 89 ce <89> 54 24 58 48 89 bc 24 80 00 00 00 65 48 8b 04 25 28 00 00 00 48
RSP: 0018:ffffc9000385ff40 EFLAGS: 00010082
RAX: 1ffffffff27d86d0 RBX: ffffffff93ec3680 RCX: 52c2f5d96211ef35
RDX: 0000000000000000 RSI: ffff88802dfc8f78 RDI: ffff88802dfc8000
RBP: ffffc90003860240 R08: ffffffff94549847 R09: 1ffffffff28a9308
R10: dffffc0000000000 R11: fffffbfff28a9309 R12: ffff88802dfc8000
R13: ffff88802dfc8000 R14: 52c2f5d96211ef35 R15: 0000000000000000
FS: 00007f4e6812b6c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc9000385ff38 CR3: 000000003314c000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 90 nop
1: 90 nop
2: 90 nop
3: 90 nop
4: 90 nop
5: 90 nop
6: 90 nop
7: 90 nop
8: 90 nop
9: 90 nop
a: 90 nop
b: f3 0f 1e fa endbr64
f: 55 push %rbp
10: 48 89 e5 mov %rsp,%rbp
13: 41 57 push %r15
15: 41 56 push %r14
17: 41 55 push %r13
19: 41 54 push %r12
1b: 53 push %rbx
1c: 48 83 e4 e0 and $0xffffffffffffffe0,%rsp
20: 48 81 ec c0 02 00 00 sub $0x2c0,%rsp
27: 49 89 ce mov %rcx,%r14
* 2a: 89 54 24 58 mov %edx,0x58(%rsp) <-- trapping instruction
2e: 48 89 bc 24 80 00 00 mov %rdi,0x80(%rsp)
35: 00
36: 65 48 8b 04 25 28 00 mov %gs:0x28,%rax
3d: 00 00
3f: 48 rex.W
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzk...@googlegroups.com.
syzbot will keep track of this issue. See:
https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
If the report is already addressed, let syzbot know by replying with:
#syz fix: exact-commit-title
If you want to overwrite report's subsystems, reply with:
#syz set subsystems: new-subsystem
(See the list of subsystem names on the web dashboard)
If the report is a duplicate of another one, reply with:
#syz dup: exact-subject-of-another-report
If you want to undo deduplication, reply with:
#syz undup
syzbot
Jun 4, 2025, 11:59:20 AM6/4/25
to syzkaller-upst...@googlegroups.com
Auto-closing this bug as obsolete.
Crashes did not happen for a while, no reproducer and no activity.
Crashes did not happen for a while, no reproducer and no activity.
Reply all
Reply to author
Forward
0 new messages