Warning: Permanently added '10.128.15.193' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 95.919303][ T9509] ================================================================== [ 95.927607][ T9509] BUG: KASAN: slab-out-of-bounds in bitmap_ipmac_list+0x635/0x1080 [ 95.935592][ T9509] Read of size 8 at addr ffff8880a756e200 by task syz-executor021/9509 [ 95.943817][ T9509] [ 95.946150][ T9509] CPU: 0 PID: 9509 Comm: syz-executor021 Not tainted 5.5.0-rc6-syzkaller #0 [ 95.954820][ T9509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.964927][ T9509] Call Trace: [ 95.968223][ T9509] dump_stack+0x197/0x210 [ 95.972545][ T9509] ? bitmap_ipmac_list+0x635/0x1080 [ 95.977805][ T9509] print_address_description.constprop.0.cold+0xd4/0x30b [ 95.984847][ T9509] ? bitmap_ipmac_list+0x635/0x1080 [ 95.990099][ T9509] ? bitmap_ipmac_list+0x635/0x1080 [ 95.995301][ T9509] __kasan_report.cold+0x1b/0x41 [ 96.000241][ T9509] ? bitmap_ipmac_list+0x635/0x1080 [ 96.005535][ T9509] kasan_report+0x12/0x20 [ 96.009913][ T9509] check_memory_region+0x134/0x1a0 [ 96.015034][ T9509] __kasan_check_read+0x11/0x20 [ 96.019881][ T9509] bitmap_ipmac_list+0x635/0x1080 [ 96.024895][ T9509] ? bitmap_ipmac_head+0x8a0/0x8a0 [ 96.030010][ T9509] ? nla_put+0x110/0x150 [ 96.034252][ T9509] ip_set_dump_start+0x96c/0x1ca0 [ 96.039320][ T9509] ? ip_set_rename+0x720/0x720 [ 96.044093][ T9509] ? __kmalloc_reserve.isra.0+0xf0/0xf0 [ 96.049634][ T9509] ? perf_trace_lock_acquire+0x4c0/0x530 [ 96.055314][ T9509] ? __kasan_check_write+0x14/0x20 [ 96.060423][ T9509] netlink_dump+0x558/0xfb0 [ 96.064925][ T9509] ? __netlink_sendskb+0xc0/0xc0 [ 96.069876][ T9509] __netlink_dump_start+0x66a/0x930 [ 96.075072][ T9509] ip_set_dump+0x15a/0x1d0 [ 96.079478][ T9509] ? call_ad+0x5a0/0x5a0 [ 96.084070][ T9509] ? ip_set_rename+0x720/0x720 [ 96.088828][ T9509] ? __ip_set_put_netlink.isra.0+0x90/0x90 [ 96.094669][ T9509] ? call_ad+0x5a0/0x5a0 [ 96.098969][ T9509] nfnetlink_rcv_msg+0xcf2/0xfb0 [ 96.103943][ T9509] ? nfnetlink_bind+0x2c0/0x2c0 [ 96.108822][ T9509] ? __kasan_check_read+0x11/0x20 [ 96.113840][ T9509] ? __lock_acquire+0x8a0/0x4a00 [ 96.118766][ T9509] ? save_stack+0x5c/0x90 [ 96.123088][ T9509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.129375][ T9509] ? apparmor_capable+0x497/0x900 [ 96.134395][ T9509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.140626][ T9509] ? __kasan_check_read+0x11/0x20 [ 96.145644][ T9509] ? apparmor_cred_prepare+0x7b0/0x7b0 [ 96.151090][ T9509] netlink_rcv_skb+0x177/0x450 [ 96.155859][ T9509] ? nfnetlink_bind+0x2c0/0x2c0 [ 96.160707][ T9509] ? netlink_ack+0xb50/0xb50 [ 96.165287][ T9509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.171521][ T9509] ? ns_capable_common+0x93/0x100 [ 96.176586][ T9509] ? ns_capable+0x20/0x30 [ 96.180901][ T9509] ? __netlink_ns_capable+0x104/0x140 [ 96.186261][ T9509] nfnetlink_rcv+0x1ba/0x460 [ 96.190845][ T9509] ? nfnetlink_rcv_batch+0x17a0/0x17a0 [ 96.196291][ T9509] ? netlink_deliver_tap+0x24a/0xbe0 [ 96.201590][ T9509] ? __kasan_check_write+0x14/0x20 [ 96.206708][ T9509] netlink_unicast+0x58c/0x7d0 [ 96.211477][ T9509] ? netlink_attachskb+0x870/0x870 [ 96.216585][ T9509] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 96.222305][ T9509] ? __check_object_size+0x3d/0x437 [ 96.227493][ T9509] netlink_sendmsg+0x91c/0xea0 [ 96.232244][ T9509] ? netlink_unicast+0x7d0/0x7d0 [ 96.237178][ T9509] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 96.242721][ T9509] ? apparmor_socket_sendmsg+0x2a/0x30 [ 96.248172][ T9509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.254455][ T9509] ? security_socket_sendmsg+0x8d/0xc0 [ 96.259926][ T9509] ? netlink_unicast+0x7d0/0x7d0 [ 96.264857][ T9509] sock_sendmsg+0xd7/0x130 [ 96.269279][ T9509] ____sys_sendmsg+0x753/0x880 [ 96.274048][ T9509] ? kernel_sendmsg+0x50/0x50 [ 96.278724][ T9509] ? lockdep_init_map+0x1be/0x6d0 [ 96.283737][ T9509] ___sys_sendmsg+0x100/0x170 [ 96.288398][ T9509] ? sendmsg_copy_msghdr+0x70/0x70 [ 96.293553][ T9509] ? __kasan_check_read+0x11/0x20 [ 96.298766][ T9509] ? __lock_acquire+0x8a0/0x4a00 [ 96.303725][ T9509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.309966][ T9509] ? __this_cpu_preempt_check+0x35/0x190 [ 96.319101][ T9509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.325378][ T9509] ? percpu_counter_add_batch+0x13c/0x190 [ 96.331088][ T9509] ? __fd_install+0x1bc/0x640 [ 96.335756][ T9509] ? find_held_lock+0x35/0x130 [ 96.340516][ T9509] ? __fd_install+0x1bc/0x640 [ 96.345179][ T9509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.351496][ T9509] ? __fget_light+0x1a9/0x230 [ 96.356188][ T9509] ? __fdget+0x1b/0x20 [ 96.360266][ T9509] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 96.366494][ T9509] __sys_sendmsg+0x105/0x1d0 [ 96.371105][ T9509] ? __sys_sendmsg_sock+0xc0/0xc0 [ 96.376142][ T9509] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 96.381651][ T9509] ? do_syscall_64+0x26/0x790 [ 96.386322][ T9509] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.392503][ T9509] ? do_syscall_64+0x26/0x790 [ 96.397178][ T9509] __x64_sys_sendmsg+0x78/0xb0 [ 96.401963][ T9509] do_syscall_64+0xfa/0x790 [ 96.406458][ T9509] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.412350][ T9509] RIP: 0033:0x440539 [ 96.416239][ T9509] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 96.435868][ T9509] RSP: 002b:00007fffc86adb18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 96.444276][ T9509] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440539 [ 96.452236][ T9509] RDX: 0000000000000040 RSI: 0000000020000680 RDI: 0000000000000004 [ 96.460198][ T9509] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 96.468208][ T9509] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000401dc0 [ 96.476194][ T9509] R13: 0000000000401e50 R14: 0000000000000000 R15: 0000000000000000 [ 96.484175][ T9509] [ 96.486487][ T9509] Allocated by task 9509: [ 96.490811][ T9509] save_stack+0x23/0x90 [ 96.494959][ T9509] __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 96.500609][ T9509] kasan_kmalloc+0x9/0x10 [ 96.505184][ T9509] __kmalloc+0x163/0x770 [ 96.509474][ T9509] ip_set_alloc+0x38/0x5e [ 96.513784][ T9509] bitmap_ipmac_create+0x4e8/0xa00 [ 96.518887][ T9509] ip_set_create+0x6f1/0x1500 [ 96.523556][ T9509] nfnetlink_rcv_msg+0xcf2/0xfb0 [ 96.528484][ T9509] netlink_rcv_skb+0x177/0x450 [ 96.533243][ T9509] nfnetlink_rcv+0x1ba/0x460 [ 96.537843][ T9509] netlink_unicast+0x58c/0x7d0 [ 96.542611][ T9509] netlink_sendmsg+0x91c/0xea0 [ 96.547361][ T9509] sock_sendmsg+0xd7/0x130 [ 96.551756][ T9509] ____sys_sendmsg+0x753/0x880 [ 96.556506][ T9509] ___sys_sendmsg+0x100/0x170 [ 96.561164][ T9509] __sys_sendmsg+0x105/0x1d0 [ 96.565876][ T9509] __x64_sys_sendmsg+0x78/0xb0 [ 96.570624][ T9509] do_syscall_64+0xfa/0x790 [ 96.575124][ T9509] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.581047][ T9509] [ 96.583359][ T9509] Freed by task 9237: [ 96.587331][ T9509] save_stack+0x23/0x90 [ 96.591475][ T9509] __kasan_slab_free+0x102/0x150 [ 96.596411][ T9509] kasan_slab_free+0xe/0x10 [ 96.600919][ T9509] kfree+0x10a/0x2c0 [ 96.604937][ T9509] single_release+0x95/0xc0 [ 96.609422][ T9509] __fput+0x2ff/0x890 [ 96.613388][ T9509] ____fput+0x16/0x20 [ 96.617369][ T9509] task_work_run+0x145/0x1c0 [ 96.622040][ T9509] exit_to_usermode_loop+0x316/0x380 [ 96.627323][ T9509] do_syscall_64+0x676/0x790 [ 96.631906][ T9509] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.637797][ T9509] [ 96.640117][ T9509] The buggy address belongs to the object at ffff8880a756e200 [ 96.640117][ T9509] which belongs to the cache kmalloc-32 of size 32 [ 96.656075][ T9509] The buggy address is located 0 bytes inside of [ 96.656075][ T9509] 32-byte region [ffff8880a756e200, ffff8880a756e220) [ 96.669225][ T9509] The buggy address belongs to the page: [ 96.674896][ T9509] page:ffffea00029d5b80 refcount:1 mapcount:0 mapping:ffff8880aa4001c0 index:0xffff8880a756efc1 [ 96.685309][ T9509] raw: 00fffe0000000200 ffffea0002a4cd48 ffffea00025c42c8 ffff8880aa4001c0 [ 96.693952][ T9509] raw: ffff8880a756efc1 ffff8880a756e000 0000000100000027 0000000000000000 [ 96.702616][ T9509] page dumped because: kasan: bad access detected [ 96.709013][ T9509] [ 96.711321][ T9509] Memory state around the buggy address: [ 96.716950][ T9509] ffff8880a756e100: 00 02 fc fc fc fc fc fc fb fb fb fb fc fc fc fc [ 96.725003][ T9509] ffff8880a756e180: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc [ 96.733097][ T9509] >ffff8880a756e200: 04 fc fc fc fc fc fc fc fb fb fb fb fc fc fc fc [ 96.741257][ T9509] ^ [ 96.745320][ T9509] ffff8880a756e280: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc [ 96.753559][ T9509] ffff8880a756e300: 00 07 fc fc fc fc fc fc fb fb fb fb fc fc fc fc [ 96.761605][ T9509] ================================================================== [ 96.769653][ T9509] Disabling lock debugging due to kernel taint [ 96.777998][ T9509] Kernel panic - not syncing: panic_on_warn set ... [ 96.784596][ T9509] CPU: 0 PID: 9509 Comm: syz-executor021 Tainted: G B 5.5.0-rc6-syzkaller #0 [ 96.794635][ T9509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.804673][ T9509] Call Trace: [ 96.808647][ T9509] dump_stack+0x197/0x210 [ 96.812981][ T9509] panic+0x2e3/0x75c [ 96.816864][ T9509] ? add_taint.cold+0x16/0x16 [ 96.821536][ T9509] ? bitmap_ipmac_list+0x635/0x1080 [ 96.826754][ T9509] ? preempt_schedule+0x4b/0x60 [ 96.831583][ T9509] ? ___preempt_schedule+0x16/0x18 [ 96.836719][ T9509] ? trace_hardirqs_on+0x5e/0x240 [ 96.841760][ T9509] ? bitmap_ipmac_list+0x635/0x1080 [ 96.846942][ T9509] end_report+0x47/0x4f [ 96.851078][ T9509] ? bitmap_ipmac_list+0x635/0x1080 [ 96.856472][ T9509] __kasan_report.cold+0xe/0x41 [ 96.861325][ T9509] ? bitmap_ipmac_list+0x635/0x1080 [ 96.866555][ T9509] kasan_report+0x12/0x20 [ 96.870949][ T9509] check_memory_region+0x134/0x1a0 [ 96.876087][ T9509] __kasan_check_read+0x11/0x20 [ 96.880930][ T9509] bitmap_ipmac_list+0x635/0x1080 [ 96.885950][ T9509] ? bitmap_ipmac_head+0x8a0/0x8a0 [ 96.891056][ T9509] ? nla_put+0x110/0x150 [ 96.895278][ T9509] ip_set_dump_start+0x96c/0x1ca0 [ 96.900293][ T9509] ? ip_set_rename+0x720/0x720 [ 96.905049][ T9509] ? __kmalloc_reserve.isra.0+0xf0/0xf0 [ 96.910593][ T9509] ? perf_trace_lock_acquire+0x4c0/0x530 [ 96.916242][ T9509] ? __kasan_check_write+0x14/0x20 [ 96.921340][ T9509] netlink_dump+0x558/0xfb0 [ 96.925837][ T9509] ? __netlink_sendskb+0xc0/0xc0 [ 96.930770][ T9509] __netlink_dump_start+0x66a/0x930 [ 96.935958][ T9509] ip_set_dump+0x15a/0x1d0 [ 96.940365][ T9509] ? call_ad+0x5a0/0x5a0 [ 96.944597][ T9509] ? ip_set_rename+0x720/0x720 [ 96.949351][ T9509] ? __ip_set_put_netlink.isra.0+0x90/0x90 [ 96.955143][ T9509] ? call_ad+0x5a0/0x5a0 [ 96.959395][ T9509] nfnetlink_rcv_msg+0xcf2/0xfb0 [ 96.964340][ T9509] ? nfnetlink_bind+0x2c0/0x2c0 [ 96.969175][ T9509] ? __kasan_check_read+0x11/0x20 [ 96.974196][ T9509] ? __lock_acquire+0x8a0/0x4a00 [ 96.979186][ T9509] ? save_stack+0x5c/0x90 [ 96.983521][ T9509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 96.989876][ T9509] ? apparmor_capable+0x497/0x900 [ 96.995079][ T9509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.001308][ T9509] ? __kasan_check_read+0x11/0x20 [ 97.006327][ T9509] ? apparmor_cred_prepare+0x7b0/0x7b0 [ 97.011778][ T9509] netlink_rcv_skb+0x177/0x450 [ 97.016533][ T9509] ? nfnetlink_bind+0x2c0/0x2c0 [ 97.021374][ T9509] ? netlink_ack+0xb50/0xb50 [ 97.025995][ T9509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.032238][ T9509] ? ns_capable_common+0x93/0x100 [ 97.037243][ T9509] ? ns_capable+0x20/0x30 [ 97.041551][ T9509] ? __netlink_ns_capable+0x104/0x140 [ 97.046919][ T9509] nfnetlink_rcv+0x1ba/0x460 [ 97.051519][ T9509] ? nfnetlink_rcv_batch+0x17a0/0x17a0 [ 97.056964][ T9509] ? netlink_deliver_tap+0x24a/0xbe0 [ 97.062240][ T9509] ? __kasan_check_write+0x14/0x20 [ 97.067342][ T9509] netlink_unicast+0x58c/0x7d0 [ 97.072099][ T9509] ? netlink_attachskb+0x870/0x870 [ 97.077196][ T9509] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 97.082908][ T9509] ? __check_object_size+0x3d/0x437 [ 97.088539][ T9509] netlink_sendmsg+0x91c/0xea0 [ 97.093330][ T9509] ? netlink_unicast+0x7d0/0x7d0 [ 97.098260][ T9509] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 97.103874][ T9509] ? apparmor_socket_sendmsg+0x2a/0x30 [ 97.109324][ T9509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.115556][ T9509] ? security_socket_sendmsg+0x8d/0xc0 [ 97.121293][ T9509] ? netlink_unicast+0x7d0/0x7d0 [ 97.126241][ T9509] sock_sendmsg+0xd7/0x130 [ 97.130651][ T9509] ____sys_sendmsg+0x753/0x880 [ 97.135407][ T9509] ? kernel_sendmsg+0x50/0x50 [ 97.140069][ T9509] ? lockdep_init_map+0x1be/0x6d0 [ 97.145092][ T9509] ___sys_sendmsg+0x100/0x170 [ 97.149767][ T9509] ? sendmsg_copy_msghdr+0x70/0x70 [ 97.154871][ T9509] ? __kasan_check_read+0x11/0x20 [ 97.159880][ T9509] ? __lock_acquire+0x8a0/0x4a00 [ 97.164813][ T9509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.171173][ T9509] ? __this_cpu_preempt_check+0x35/0x190 [ 97.176806][ T9509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.183029][ T9509] ? percpu_counter_add_batch+0x13c/0x190 [ 97.188740][ T9509] ? __fd_install+0x1bc/0x640 [ 97.193409][ T9509] ? find_held_lock+0x35/0x130 [ 97.198159][ T9509] ? __fd_install+0x1bc/0x640 [ 97.202830][ T9509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.209163][ T9509] ? __fget_light+0x1a9/0x230 [ 97.213830][ T9509] ? __fdget+0x1b/0x20 [ 97.217896][ T9509] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 97.224169][ T9509] __sys_sendmsg+0x105/0x1d0 [ 97.228764][ T9509] ? __sys_sendmsg_sock+0xc0/0xc0 [ 97.233790][ T9509] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 97.239243][ T9509] ? do_syscall_64+0x26/0x790 [ 97.244318][ T9509] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 97.250465][ T9509] ? do_syscall_64+0x26/0x790 [ 97.255149][ T9509] __x64_sys_sendmsg+0x78/0xb0 [ 97.259909][ T9509] do_syscall_64+0xfa/0x790 [ 97.264426][ T9509] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 97.270320][ T9509] RIP: 0033:0x440539 [ 97.274259][ T9509] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 97.293851][ T9509] RSP: 002b:00007fffc86adb18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 97.302258][ T9509] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440539 [ 97.310219][ T9509] RDX: 0000000000000040 RSI: 0000000020000680 RDI: 0000000000000004 [ 97.318276][ T9509] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 97.326239][ T9509] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000401dc0 [ 97.334357][ T9509] R13: 0000000000401e50 R14: 0000000000000000 R15: 0000000000000000 [ 97.343899][ T9509] Kernel Offset: disabled [ 97.348354][ T9509] Rebooting in 86400 seconds..