==================================================================
BUG: KASAN: slab-out-of-bounds in do_csum+0x44/0x254 arch/arm64/lib/csum.c:39
Read of size 4294967236 at addr ffff00012993183c by task syz-executor.0/14161

CPU: 1 PID: 14161 Comm: syz-executor.0 Not tainted 6.5.0-rc7-syzkaller-gfe4469582053 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Call trace:
 dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233
 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:364 [inline]
 print_report+0x174/0x514 mm/kasan/report.c:475
 kasan_report+0xd8/0x138 mm/kasan/report.c:588
 kasan_check_range+0x254/0x294 mm/kasan/generic.c:187
 __kasan_check_read+0x20/0x30 mm/kasan/shadow.c:31
 do_csum+0x44/0x254 arch/arm64/lib/csum.c:39
 csum_partial+0x30/0x58 lib/checksum.c:128
 gso_make_checksum include/net/gso.h:74 [inline]
 __udp_gso_segment+0xba4/0x1c98 net/ipv4/udp_offload.c:340
 udp4_ufo_fragment+0x3c8/0x6f8 net/ipv4/udp_offload.c:399
 inet_gso_segment+0x4f0/0x1118 net/ipv4/af_inet.c:1398
 skb_mac_gso_segment+0x2d0/0x5bc net/core/gso.c:53
 __skb_gso_segment+0x250/0x3cc net/core/gso.c:124
 skb_gso_segment include/net/gso.h:83 [inline]
 netem_segment net/sched/sch_netem.c:419 [inline]
 netem_enqueue+0x8c0/0x2c80 net/sched/sch_netem.c:497
 dev_qdisc_enqueue+0x60/0x35c net/core/dev.c:3732
 __dev_xmit_skb net/core/dev.c:3821 [inline]
 __dev_queue_xmit+0xb24/0x3318 net/core/dev.c:4169
 dev_queue_xmit include/linux/netdevice.h:3088 [inline]
 packet_xmit+0x6c/0x318 net/packet/af_packet.c:276
 packet_snd net/packet/af_packet.c:3085 [inline]
 packet_sendmsg+0x376c/0x4c98 net/packet/af_packet.c:3117
 sock_sendmsg_nosec net/socket.c:725 [inline]
 sock_sendmsg net/socket.c:748 [inline]
 __sys_sendto+0x3bc/0x540 net/socket.c:2134
 __do_sys_sendto net/socket.c:2146 [inline]
 __se_sys_sendto net/socket.c:2142 [inline]
 __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2142
 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
 el0_svc+0x58/0x16c arch/arm64/kernel/entry-common.c:678
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591

Allocated by task 14161:
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4c/0x7c mm/kasan/common.c:52
 kasan_save_alloc_info+0x24/0x30 mm/kasan/generic.c:511
 ____kasan_kmalloc mm/kasan/common.c:374 [inline]
 __kasan_kmalloc+0xac/0xc4 mm/kasan/common.c:383
 kasan_kmalloc include/linux/kasan.h:196 [inline]
 __do_kmalloc_node mm/slab_common.c:985 [inline]
 __kmalloc_node_track_caller+0xd0/0x1c0 mm/slab_common.c:1005
 kmalloc_reserve+0x120/0x240 net/core/skbuff.c:575
 __alloc_skb+0x1c8/0x3d8 net/core/skbuff.c:644
 skb_segment+0xa80/0x32ec net/core/skbuff.c:4512
 __udp_gso_segment+0x344/0x1c98 net/ipv4/udp_offload.c:298
 udp4_ufo_fragment+0x3c8/0x6f8 net/ipv4/udp_offload.c:399
 inet_gso_segment+0x4f0/0x1118 net/ipv4/af_inet.c:1398
 skb_mac_gso_segment+0x2d0/0x5bc net/core/gso.c:53
 __skb_gso_segment+0x250/0x3cc net/core/gso.c:124
 skb_gso_segment include/net/gso.h:83 [inline]
 netem_segment net/sched/sch_netem.c:419 [inline]
 netem_enqueue+0x8c0/0x2c80 net/sched/sch_netem.c:497
 dev_qdisc_enqueue+0x60/0x35c net/core/dev.c:3732
 __dev_xmit_skb net/core/dev.c:3821 [inline]
 __dev_queue_xmit+0xb24/0x3318 net/core/dev.c:4169
 dev_queue_xmit include/linux/netdevice.h:3088 [inline]
 packet_xmit+0x6c/0x318 net/packet/af_packet.c:276
 packet_snd net/packet/af_packet.c:3085 [inline]
 packet_sendmsg+0x376c/0x4c98 net/packet/af_packet.c:3117
 sock_sendmsg_nosec net/socket.c:725 [inline]
 sock_sendmsg net/socket.c:748 [inline]
 __sys_sendto+0x3bc/0x540 net/socket.c:2134
 __do_sys_sendto net/socket.c:2146 [inline]
 __se_sys_sendto net/socket.c:2142 [inline]
 __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2142
 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
 el0_svc+0x58/0x16c arch/arm64/kernel/entry-common.c:678
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591

Last potentially related work creation:
 kasan_save_stack+0x40/0x6c mm/kasan/common.c:45
 __kasan_record_aux_stack+0xcc/0xe8 mm/kasan/generic.c:492
 kasan_record_aux_stack_noalloc+0x14/0x20 mm/kasan/generic.c:502
 kvfree_call_rcu+0xac/0x674 kernel/rcu/tree.c:3368
 neigh_destroy+0x474/0x6b4 net/core/neighbour.c:910
 neigh_release include/net/neighbour.h:447 [inline]
 neigh_cleanup_and_release+0x138/0x37c net/core/neighbour.c:103
 neigh_periodic_work+0x488/0xae0 net/core/neighbour.c:994
 process_one_work+0x800/0x1480 kernel/workqueue.c:2600
 worker_thread+0x8e0/0xfe8 kernel/workqueue.c:2751
 kthread+0x288/0x310 kernel/kthread.c:389
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:853

The buggy address belongs to the object at ffff000129931800
 which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 60 bytes inside of
 allocated 1024-byte region [ffff000129931800, ffff000129931c00)

The buggy address belongs to the physical page:
page:00000000102a893a refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x169930
head:00000000102a893a order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 05ffc00000010200 ffff0000c0001dc0 fffffc0003645400 dead000000000002
raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff000129931b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff000129931b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff000129931c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                   ^
 ffff000129931c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff000129931d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================
================================================================================
UBSAN: shift-out-of-bounds in arch/arm64/lib/csum.c:116:15
shift exponent 512 is too large for 64-bit type 'u64' (aka 'unsigned long long')
CPU: 1 PID: 14161 Comm: syz-executor.0 Tainted: G    B              6.5.0-rc7-syzkaller-gfe4469582053 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Call trace:
 dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233
 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106
 dump_stack+0x1c/0x28 lib/dump_stack.c:113
 ubsan_epilogue lib/ubsan.c:217 [inline]
 __ubsan_handle_shift_out_of_bounds+0x2f4/0x36c lib/ubsan.c:387
 do_csum+0x238/0x254 arch/arm64/lib/csum.c:116
 csum_partial+0x30/0x58 lib/checksum.c:128
 gso_make_checksum include/net/gso.h:74 [inline]
 __udp_gso_segment+0xba4/0x1c98 net/ipv4/udp_offload.c:340
 udp4_ufo_fragment+0x3c8/0x6f8 net/ipv4/udp_offload.c:399
 inet_gso_segment+0x4f0/0x1118 net/ipv4/af_inet.c:1398
 skb_mac_gso_segment+0x2d0/0x5bc net/core/gso.c:53
 __skb_gso_segment+0x250/0x3cc net/core/gso.c:124
 skb_gso_segment include/net/gso.h:83 [inline]
 netem_segment net/sched/sch_netem.c:419 [inline]
 netem_enqueue+0x8c0/0x2c80 net/sched/sch_netem.c:497
 dev_qdisc_enqueue+0x60/0x35c net/core/dev.c:3732
 __dev_xmit_skb net/core/dev.c:3821 [inline]
 __dev_queue_xmit+0xb24/0x3318 net/core/dev.c:4169
 dev_queue_xmit include/linux/netdevice.h:3088 [inline]
 packet_xmit+0x6c/0x318 net/packet/af_packet.c:276
 packet_snd net/packet/af_packet.c:3085 [inline]
 packet_sendmsg+0x376c/0x4c98 net/packet/af_packet.c:3117
 sock_sendmsg_nosec net/socket.c:725 [inline]
 sock_sendmsg net/socket.c:748 [inline]
 __sys_sendto+0x3bc/0x540 net/socket.c:2134
 __do_sys_sendto net/socket.c:2146 [inline]
 __se_sys_sendto net/socket.c:2142 [inline]
 __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2142
 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
 el0_svc+0x58/0x16c arch/arm64/kernel/entry-common.c:678
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
================================================================================
================================================================================
UBSAN: shift-out-of-bounds in arch/arm64/lib/csum.c:116:25
shift exponent 512 is too large for 64-bit type 'u64' (aka 'unsigned long long')
CPU: 1 PID: 14161 Comm: syz-executor.0 Tainted: G    B              6.5.0-rc7-syzkaller-gfe4469582053 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Call trace:
 dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233
 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106
 dump_stack+0x1c/0x28 lib/dump_stack.c:113
 ubsan_epilogue lib/ubsan.c:217 [inline]
 __ubsan_handle_shift_out_of_bounds+0x2f4/0x36c lib/ubsan.c:387
 do_csum+0x250/0x254 arch/arm64/lib/csum.c:116
 csum_partial+0x30/0x58 lib/checksum.c:128
 gso_make_checksum include/net/gso.h:74 [inline]
 __udp_gso_segment+0xba4/0x1c98 net/ipv4/udp_offload.c:340
 udp4_ufo_fragment+0x3c8/0x6f8 net/ipv4/udp_offload.c:399
 inet_gso_segment+0x4f0/0x1118 net/ipv4/af_inet.c:1398
 skb_mac_gso_segment+0x2d0/0x5bc net/core/gso.c:53
 __skb_gso_segment+0x250/0x3cc net/core/gso.c:124
 skb_gso_segment include/net/gso.h:83 [inline]
 netem_segment net/sched/sch_netem.c:419 [inline]
 netem_enqueue+0x8c0/0x2c80 net/sched/sch_netem.c:497
 dev_qdisc_enqueue+0x60/0x35c net/core/dev.c:3732
 __dev_xmit_skb net/core/dev.c:3821 [inline]
 __dev_queue_xmit+0xb24/0x3318 net/core/dev.c:4169
 dev_queue_xmit include/linux/netdevice.h:3088 [inline]
 packet_xmit+0x6c/0x318 net/packet/af_packet.c:276
 packet_snd net/packet/af_packet.c:3085 [inline]
 packet_sendmsg+0x376c/0x4c98 net/packet/af_packet.c:3117
 sock_sendmsg_nosec net/socket.c:725 [inline]
 sock_sendmsg net/socket.c:748 [inline]
 __sys_sendto+0x3bc/0x540 net/socket.c:2134
 __do_sys_sendto net/socket.c:2146 [inline]
 __se_sys_sendto net/socket.c:2142 [inline]
 __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2142
 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
 el0_svc+0x58/0x16c arch/arm64/kernel/entry-common.c:678
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
================================================================================
skb len=64521 headroom=2 headlen=848 tailroom=0
mac=(2,14) net=(16,44) trans=60
shinfo(txflags=0 nr_frags=16 gso(size=344 type=131074 segs=0))
csum(0x0 ip_summed=0 complete_sw=0 valid=0 level=0)
hash(0x0 sw=0 l4=0) proto=0x0800 pkttype=0 iif=0
dev name=bridge1 feat=0x00002007ffff78e9
sk family=17 type=3 proto=0
skb linear:   00000000: 02 00 c5 2c f7 c2 59 75 e0 0d b0 2f 08 00 eb 2b
skb linear:   00000010: 2f f0 da c8 89 7c 6b 11 87 77 fa ff ff ff 30 66
skb linear:   00000020: 10 0c b6 10 c5 47 1d 13 14 66 32 1a 54 e7 df 30
skb linear:   00000030: 5f 80 a8 81 61 b6 fd 8f 24 28 6a 57 c3 fe ff ff
skb linear:   00000040: f0 ef 8c 7f 36 75 eb 04 7a 80 0a 48 80 42 40 51
skb linear:   00000050: d6 f1 a6 8d aa 5e da 5c 40 a8 aa 84 a8 38 20 0e
skb linear:   00000060: a9 b1 37 96 c9 3a 1b b2 eb 52 9b 48 b8 7f 03 48
skb linear:   00000070: 20 71 2a 12 ff 00 07 24 0e 48 3d 71 e0 c6 09 21
skb linear:   00000080: 71 40 48 e5 80 14 20 02 c5 50 90 06 cd ec d8 dd
skb linear:   00000090: d8 bb f1 d6 59 ef 06 ef e7 23 8d e6 c7 db 7d df
skb linear:   000000a0: ef db cd ec 9b 7d 1b cf 0b 60 6c 9d 8b 88 ed 88
skb linear:   000000b0: 98 8e 88 37 22 62 be 3c 9e 94 4b bc d2 5e f2 c7
skb linear:   000000c0: dd bf 77 67 79 e7 de 9d e5 24 b2 ec f5 bf 25 45
skb linear:   000000d0: 79 7e 2c 3a 9e 93 7b b2 ac 73 36 22 be f6 e5 88
skb linear:   000000e0: 6f 25 07 e3 36 37 b7 6e 2c d5 eb b5 db e5 fe 42
skb linear:   000000f0: 6b fd d6 42 73 73 eb e2 da fa d2 6a 6d b5 76 b3
skb linear:   00000100: 5a bd b2 78 e5 d2 8b 97 5f a8 0e ac ad 67 d7 7f
skb linear:   00000110: 7e f7 4b 6b af 7e fd 57 bf fc e4 7b bf dd fe e2
skb linear:   00000120: f7 f2 b4 e6 ca b2 ce 76 7c 28 d3 0f 2f 6e 37 7d
------------[ cut here ]------------
bridge1: caps=(0x00002007ffff78e9, 0x0000000000000000)
WARNING: CPU: 1 PID: 14161 at net/core/dev.c:3257 skb_warn_bad_offload+0x160/0x194 net/core/dev.c:3255
Modules linked in:
CPU: 1 PID: 14161 Comm: syz-executor.0 Tainted: G    B              6.5.0-rc7-syzkaller-gfe4469582053 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : skb_warn_bad_offload+0x160/0x194 net/core/dev.c:3255
lr : skb_warn_bad_offload+0x160/0x194 net/core/dev.c:3255
sp : ffff80009be372a0
x29: ffff80009be372a0 x28: ffff0000c90a0280 x27: dfff800000000000
x26: 0000000000000020 x25: 1fffe00019214060 x24: ffff80008c894b80
x23: dfff800000000000 x22: ffff0000c90a0298 x21: ffff0000dce0c000
x20: ffff0000dce0c000 x19: ffff0000dce0c0f0 x18: 0000000000000000
x17: 0000000000000000 x16: ffff80008a572e30 x15: 0000000000000001
x14: 1fffe0003683f22a x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000040000 x10: 000000000003ffff x9 : 3166b62643c35a00
x8 : 3166b62643c35a00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80009be36b98 x4 : ffff80008e17f000 x3 : ffff8000805a25e4
x2 : 0000000000000001 x1 : 0000000000000201 x0 : 0000000000000000
Call trace:
 skb_warn_bad_offload+0x160/0x194 net/core/dev.c:3255
 __skb_gso_segment+0x2f4/0x3cc net/core/gso.c:127
 skb_gso_segment include/net/gso.h:83 [inline]
 netem_segment net/sched/sch_netem.c:419 [inline]
 netem_enqueue+0x8c0/0x2c80 net/sched/sch_netem.c:497
 dev_qdisc_enqueue+0x60/0x35c net/core/dev.c:3732
 __dev_xmit_skb net/core/dev.c:3821 [inline]
 __dev_queue_xmit+0xb24/0x3318 net/core/dev.c:4169
 dev_queue_xmit include/linux/netdevice.h:3088 [inline]
 packet_xmit+0x6c/0x318 net/packet/af_packet.c:276
 packet_snd net/packet/af_packet.c:3085 [inline]
 packet_sendmsg+0x376c/0x4c98 net/packet/af_packet.c:3117
 sock_sendmsg_nosec net/socket.c:725 [inline]
 sock_sendmsg net/socket.c:748 [inline]
 __sys_sendto+0x3bc/0x540 net/socket.c:2134
 __do_sys_sendto net/socket.c:2146 [inline]
 __se_sys_sendto net/socket.c:2142 [inline]
 __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2142
 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
 el0_svc+0x58/0x16c arch/arm64/kernel/entry-common.c:678
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
irq event stamp: 4336
hardirqs last  enabled at (4336): [<ffff80008a570c30>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline]
hardirqs last  enabled at (4336): [<ffff80008a570c30>] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:94
hardirqs last disabled at (4335): [<ffff80008a56e84c>] __el1_irq arch/arm64/kernel/entry-common.c:499 [inline]
hardirqs last disabled at (4335): [<ffff80008a56e84c>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:517
softirqs last  enabled at (3762): [<ffff800080033cec>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (3902): [<ffff8000887aeb54>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---