device lo entered promiscuous mode
device lo left promiscuous mode
BUG: Bad page map in process syz-executor3  pte:52484007 pmd:10acef067
page:ffffea0001edb180 count:0 mapcount:-1 mapping:0000000000000000 index:0x0
flags: 0x100000000000000()
raw: 0100000000000000 ffffea0001edb188 ffffea0001edb188 0000000000000000
raw: 0000000000000000 0000000000000000 00000000fffffffe 0000000000000000
raw: 0000000000000000 0000000000000000 0000000000000001 0000000000000000
page dumped because: bad pte
addr:00000000b8cac190 vm_flags:100400fb anon_vma:          (null) mapping:00000000013288a0 index:d9
file:kcov fault:          (null) mmap:kcov_mmap readpage:          (null)
CPU: 0 PID: 12435 Comm: syz-executor3 Not tainted 4.19.0-rc1+ #40
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x14b/0x190 lib/dump_stack.c:113
 print_bad_pte+0xc47/0xd40 mm/memory.c:774
 zap_pte_range mm/memory.c:1341 [inline]
 zap_pmd_range mm/memory.c:1441 [inline]
 zap_pud_range mm/memory.c:1470 [inline]
 zap_p4d_range mm/memory.c:1491 [inline]
 unmap_page_range+0x1ee7/0x4170 mm/memory.c:1512
 unmap_single_vma+0x445/0x5e0 mm/memory.c:1557
 unmap_vmas+0x251/0x380 mm/memory.c:1587
 exit_mmap+0x4b7/0x940 mm/mmap.c:3093
 __mmput+0x154/0x5f0 kernel/fork.c:1003
 mmput+0xa7/0xe0 kernel/fork.c:1024
 exit_mm+0x6dd/0x790 kernel/exit.c:546
 do_exit+0xbf7/0x3890 kernel/exit.c:856
 do_group_exit+0x1a0/0x350 kernel/exit.c:972
 get_signal+0x1425/0x1ef0 kernel/signal.c:2513
 do_signal+0x11d/0x2060 arch/x86/kernel/signal.c:816
 exit_to_usermode_loop arch/x86/entry/common.c:162 [inline]
 prepare_exit_to_usermode+0x273/0x410 arch/x86/entry/common.c:197
 syscall_return_slowpath+0xdb/0x700 arch/x86/entry/common.c:268
 do_syscall_64+0xde/0x100 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x63/0xe7
RIP: 0033:0x457099
Code: fd b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 cb b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f3e08af6cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 0000000000930148 RCX: 0000000000457099
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000000930148
RBP: 0000000000930140 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000093014c
R13: 0000000000a3fb9f R14: 00007f3e08af79c0 R15: 0000000000000001
BUG: Bad rss-counter state mm:000000009c372394 idx:0 val:13
netlink: 20 bytes leftover after parsing attributes in process `syz-executor5'.
netlink: 20 bytes leftover after parsing attributes in process `syz-executor5'.
tpacket_rcv: packet too big, clamped from 88 to 4294967280. macoff=96
sg_read: process 782 (syz-executor2) changed security contexts after opening file descriptor, this is not allowed.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor3'.
TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies.  Check SNMP counters.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor3'.
bridge0: port 2(bridge_slave_1) entered blocking state
bridge0: port 2(bridge_slave_1) entered forwarding state
bridge0: port 1(bridge_slave_0) entered blocking state
bridge0: port 1(bridge_slave_0) entered forwarding state
IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
IPv6: ADDRCONF(NETDEV_UP): bond1: link is not ready
8021q: adding VLAN 0 to HW filter on device bond1
IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready
mmap: syz-executor5 (12962): VmData 35139584 exceed data ulimit 33554432. Update limits or use boot option ignore_rlimit_data.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'.