last executing test programs:
2.109003355s ago: executing program 3:
clock_settime(0x0, &(0x7f0000000000))
2.066372952s ago: executing program 3:
chmod(&(0x7f0000000000), 0x0)
2.054998424s ago: executing program 3:
membarrier(0x0, 0x0)
2.032429297s ago: executing program 3:
epoll_wait(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0)
1.995565953s ago: executing program 3:
execve(&(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000))
1.970901187s ago: executing program 3:
socket$igmp6(0xa, 0x3, 0x2)
1.951781489s ago: executing program 4:
syz_init_net_socket$nfc_raw(0x27, 0x3, 0x0)
1.890458869s ago: executing program 2:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/policy', 0x0, 0x0)
1.88357485s ago: executing program 4:
clock_getres(0x0, &(0x7f0000000000))
1.870269092s ago: executing program 2:
io_submit(0x0, 0x0, &(0x7f0000000000))
1.852172335s ago: executing program 4:
sysinfo(&(0x7f0000000000))
1.844377846s ago: executing program 2:
epoll_create1(0x0)
1.834673167s ago: executing program 4:
socket$caif_stream(0x25, 0x1, 0x0)
1.826705188s ago: executing program 2:
get_robust_list(0x0, &(0x7f0000000000), &(0x7f0000000000))
1.342279343s ago: executing program 1:
mmap(&(0x7efffffff000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0x1000000)=nil, 0x1000000, 0x7, 0x32, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0001000000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0)
1.005803975s ago: executing program 4:
mmap(&(0x7efffffff000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0x1000000)=nil, 0x1000000, 0x7, 0x32, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0001000000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0)
851.579979ms ago: executing program 0:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/access', 0x2, 0x0)
821.308573ms ago: executing program 0:
socket$l2tp6(0xa, 0x2, 0x73)
733.836677ms ago: executing program 0:
syz_open_dev$sndhw(&(0x7f0000000040), 0x0, 0x0)
syz_open_dev$sndhw(&(0x7f0000000080), 0x0, 0x1)
syz_open_dev$sndhw(&(0x7f00000000c0), 0x0, 0x2)
syz_open_dev$sndhw(&(0x7f0000000100), 0x0, 0x800)
syz_open_dev$sndhw(&(0x7f0000000140), 0xa, 0x0)
syz_open_dev$sndhw(&(0x7f0000000180), 0xa, 0x1)
syz_open_dev$sndhw(&(0x7f00000001c0), 0xa, 0x2)
syz_open_dev$sndhw(&(0x7f0000000200), 0xa, 0x800)
syz_open_dev$sndhw(&(0x7f0000000240), 0x14, 0x0)
syz_open_dev$sndhw(&(0x7f0000000280), 0x14, 0x1)
syz_open_dev$sndhw(&(0x7f00000002c0), 0x14, 0x2)
syz_open_dev$sndhw(&(0x7f0000000300), 0x14, 0x800)
syz_open_dev$sndhw(&(0x7f0000000340), 0x1e, 0x0)
syz_open_dev$sndhw(&(0x7f0000000380), 0x1e, 0x1)
syz_open_dev$sndhw(&(0x7f00000003c0), 0x1e, 0x2)
syz_open_dev$sndhw(&(0x7f0000000400), 0x1e, 0x800)
syz_open_dev$sndhw(&(0x7f0000000440), 0x28, 0x0)
syz_open_dev$sndhw(&(0x7f0000000480), 0x28, 0x1)
syz_open_dev$sndhw(&(0x7f00000004c0), 0x28, 0x2)
syz_open_dev$sndhw(&(0x7f0000000500), 0x28, 0x800)
707.311521ms ago: executing program 1:
fchown(0xffffffffffffffff, 0x0, 0x0)
638.105331ms ago: executing program 0:
syz_open_dev$sndpcmp(&(0x7f0000000040), 0x1, 0x0)
syz_open_dev$sndpcmp(&(0x7f0000000080), 0x1, 0x1)
syz_open_dev$sndpcmp(&(0x7f00000000c0), 0x1, 0x2)
syz_open_dev$sndpcmp(&(0x7f0000000100), 0x1, 0x800)
syz_open_dev$sndpcmp(&(0x7f0000000140), 0xb, 0x0)
syz_open_dev$sndpcmp(&(0x7f0000000180), 0xb, 0x1)
syz_open_dev$sndpcmp(&(0x7f00000001c0), 0xb, 0x2)
syz_open_dev$sndpcmp(&(0x7f0000000200), 0xb, 0x800)
syz_open_dev$sndpcmp(&(0x7f0000000240), 0x15, 0x0)
syz_open_dev$sndpcmp(&(0x7f0000000280), 0x15, 0x1)
syz_open_dev$sndpcmp(&(0x7f00000002c0), 0x15, 0x2)
syz_open_dev$sndpcmp(&(0x7f0000000300), 0x15, 0x800)
syz_open_dev$sndpcmp(&(0x7f0000000340), 0x1f, 0x0)
syz_open_dev$sndpcmp(&(0x7f0000000380), 0x1f, 0x1)
syz_open_dev$sndpcmp(&(0x7f00000003c0), 0x1f, 0x2)
syz_open_dev$sndpcmp(&(0x7f0000000400), 0x1f, 0x800)
syz_open_dev$sndpcmp(&(0x7f0000000440), 0x29, 0x0)
syz_open_dev$sndpcmp(&(0x7f0000000480), 0x29, 0x1)
syz_open_dev$sndpcmp(&(0x7f00000004c0), 0x29, 0x2)
syz_open_dev$sndpcmp(&(0x7f0000000500), 0x29, 0x800)
629.113173ms ago: executing program 1:
syz_open_dev$usbfs(&(0x7f0000000040), 0x1, 0x0)
syz_open_dev$usbfs(&(0x7f0000000080), 0x1, 0x1)
syz_open_dev$usbfs(&(0x7f00000000c0), 0x1, 0x2)
syz_open_dev$usbfs(&(0x7f0000000100), 0x1, 0x800)
syz_open_dev$usbfs(&(0x7f0000000140), 0xb, 0x0)
syz_open_dev$usbfs(&(0x7f0000000180), 0xb, 0x1)
syz_open_dev$usbfs(&(0x7f00000001c0), 0xb, 0x2)
syz_open_dev$usbfs(&(0x7f0000000200), 0xb, 0x800)
syz_open_dev$usbfs(&(0x7f0000000240), 0x15, 0x0)
syz_open_dev$usbfs(&(0x7f0000000280), 0x15, 0x1)
syz_open_dev$usbfs(&(0x7f00000002c0), 0x15, 0x2)
syz_open_dev$usbfs(&(0x7f0000000300), 0x15, 0x800)
syz_open_dev$usbfs(&(0x7f0000000340), 0x1f, 0x0)
syz_open_dev$usbfs(&(0x7f0000000380), 0x1f, 0x1)
syz_open_dev$usbfs(&(0x7f00000003c0), 0x1f, 0x2)
syz_open_dev$usbfs(&(0x7f0000000400), 0x1f, 0x800)
syz_open_dev$usbfs(&(0x7f0000000440), 0x29, 0x0)
syz_open_dev$usbfs(&(0x7f0000000480), 0x29, 0x1)
syz_open_dev$usbfs(&(0x7f00000004c0), 0x29, 0x2)
syz_open_dev$usbfs(&(0x7f0000000500), 0x29, 0x800)
575.803871ms ago: executing program 2:
mmap(&(0x7efffffff000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0x1000000)=nil, 0x1000000, 0x7, 0x32, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0001000000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0)
539.080257ms ago: executing program 0:
syz_open_dev$sndhw(&(0x7f0000000040), 0x1, 0x0)
syz_open_dev$sndhw(&(0x7f0000000080), 0x1, 0x1)
syz_open_dev$sndhw(&(0x7f00000000c0), 0x1, 0x2)
syz_open_dev$sndhw(&(0x7f0000000100), 0x1, 0x800)
syz_open_dev$sndhw(&(0x7f0000000140), 0xb, 0x0)
syz_open_dev$sndhw(&(0x7f0000000180), 0xb, 0x1)
syz_open_dev$sndhw(&(0x7f00000001c0), 0xb, 0x2)
syz_open_dev$sndhw(&(0x7f0000000200), 0xb, 0x800)
syz_open_dev$sndhw(&(0x7f0000000240), 0x15, 0x0)
syz_open_dev$sndhw(&(0x7f0000000280), 0x15, 0x1)
syz_open_dev$sndhw(&(0x7f00000002c0), 0x15, 0x2)
syz_open_dev$sndhw(&(0x7f0000000300), 0x15, 0x800)
syz_open_dev$sndhw(&(0x7f0000000340), 0x1f, 0x0)
syz_open_dev$sndhw(&(0x7f0000000380), 0x1f, 0x1)
syz_open_dev$sndhw(&(0x7f00000003c0), 0x1f, 0x2)
syz_open_dev$sndhw(&(0x7f0000000400), 0x1f, 0x800)
syz_open_dev$sndhw(&(0x7f0000000440), 0x29, 0x0)
syz_open_dev$sndhw(&(0x7f0000000480), 0x29, 0x1)
syz_open_dev$sndhw(&(0x7f00000004c0), 0x29, 0x2)
syz_open_dev$sndhw(&(0x7f0000000500), 0x29, 0x800)
523.840299ms ago: executing program 1:
syz_open_dev$sndmidi(&(0x7f0000000040), 0x2, 0x0)
syz_open_dev$sndmidi(&(0x7f0000000080), 0x2, 0x1)
syz_open_dev$sndmidi(&(0x7f00000000c0), 0x2, 0x2)
syz_open_dev$sndmidi(&(0x7f0000000100), 0x2, 0x800)
syz_open_dev$sndmidi(&(0x7f0000000140), 0xc, 0x0)
syz_open_dev$sndmidi(&(0x7f0000000180), 0xc, 0x1)
syz_open_dev$sndmidi(&(0x7f00000001c0), 0xc, 0x2)
syz_open_dev$sndmidi(&(0x7f0000000200), 0xc, 0x800)
syz_open_dev$sndmidi(&(0x7f0000000240), 0x16, 0x0)
syz_open_dev$sndmidi(&(0x7f0000000280), 0x16, 0x1)
syz_open_dev$sndmidi(&(0x7f00000002c0), 0x16, 0x2)
syz_open_dev$sndmidi(&(0x7f0000000300), 0x16, 0x800)
syz_open_dev$sndmidi(&(0x7f0000000340), 0x20, 0x0)
syz_open_dev$sndmidi(&(0x7f0000000380), 0x20, 0x1)
syz_open_dev$sndmidi(&(0x7f00000003c0), 0x20, 0x2)
syz_open_dev$sndmidi(&(0x7f0000000400), 0x20, 0x800)
syz_open_dev$sndmidi(&(0x7f0000000440), 0x2a, 0x0)
syz_open_dev$sndmidi(&(0x7f0000000480), 0x2a, 0x1)
syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2a, 0x2)
syz_open_dev$sndmidi(&(0x7f0000000500), 0x2a, 0x800)
512.657051ms ago: executing program 0:
syz_open_dev$usbfs(&(0x7f0000000040), 0x2, 0x0)
syz_open_dev$usbfs(&(0x7f0000000080), 0x2, 0x1)
syz_open_dev$usbfs(&(0x7f00000000c0), 0x2, 0x2)
syz_open_dev$usbfs(&(0x7f0000000100), 0x2, 0x800)
syz_open_dev$usbfs(&(0x7f0000000140), 0xc, 0x0)
syz_open_dev$usbfs(&(0x7f0000000180), 0xc, 0x1)
syz_open_dev$usbfs(&(0x7f00000001c0), 0xc, 0x2)
syz_open_dev$usbfs(&(0x7f0000000200), 0xc, 0x800)
syz_open_dev$usbfs(&(0x7f0000000240), 0x16, 0x0)
syz_open_dev$usbfs(&(0x7f0000000280), 0x16, 0x1)
syz_open_dev$usbfs(&(0x7f00000002c0), 0x16, 0x2)
syz_open_dev$usbfs(&(0x7f0000000300), 0x16, 0x800)
syz_open_dev$usbfs(&(0x7f0000000340), 0x20, 0x0)
syz_open_dev$usbfs(&(0x7f0000000380), 0x20, 0x1)
syz_open_dev$usbfs(&(0x7f00000003c0), 0x20, 0x2)
syz_open_dev$usbfs(&(0x7f0000000400), 0x20, 0x800)
syz_open_dev$usbfs(&(0x7f0000000440), 0x2a, 0x0)
syz_open_dev$usbfs(&(0x7f0000000480), 0x2a, 0x1)
syz_open_dev$usbfs(&(0x7f00000004c0), 0x2a, 0x2)
syz_open_dev$usbfs(&(0x7f0000000500), 0x2a, 0x800)
466.371878ms ago: executing program 1:
syz_open_dev$sndpcmc(&(0x7f0000000040), 0x4, 0x0)
syz_open_dev$sndpcmc(&(0x7f0000000080), 0x4, 0x1)
syz_open_dev$sndpcmc(&(0x7f00000000c0), 0x4, 0x2)
syz_open_dev$sndpcmc(&(0x7f0000000100), 0x4, 0x800)
syz_open_dev$sndpcmc(&(0x7f0000000140), 0xe, 0x0)
syz_open_dev$sndpcmc(&(0x7f0000000180), 0xe, 0x1)
syz_open_dev$sndpcmc(&(0x7f00000001c0), 0xe, 0x2)
syz_open_dev$sndpcmc(&(0x7f0000000200), 0xe, 0x800)
syz_open_dev$sndpcmc(&(0x7f0000000240), 0x18, 0x0)
syz_open_dev$sndpcmc(&(0x7f0000000280), 0x18, 0x1)
syz_open_dev$sndpcmc(&(0x7f00000002c0), 0x18, 0x2)
syz_open_dev$sndpcmc(&(0x7f0000000300), 0x18, 0x800)
syz_open_dev$sndpcmc(&(0x7f0000000340), 0x22, 0x0)
syz_open_dev$sndpcmc(&(0x7f0000000380), 0x22, 0x1)
syz_open_dev$sndpcmc(&(0x7f00000003c0), 0x22, 0x2)
syz_open_dev$sndpcmc(&(0x7f0000000400), 0x22, 0x800)
syz_open_dev$sndpcmc(&(0x7f0000000440), 0x2c, 0x0)
syz_open_dev$sndpcmc(&(0x7f0000000480), 0x2c, 0x1)
syz_open_dev$sndpcmc(&(0x7f00000004c0), 0x2c, 0x2)
syz_open_dev$sndpcmc(&(0x7f0000000500), 0x2c, 0x800)
416.373326ms ago: executing program 4:
sigaltstack(&(0x7f0000000000), 0x0)
415.189636ms ago: executing program 1:
syz_open_dev$sndmidi(&(0x7f0000000040), 0x3, 0x0)
syz_open_dev$sndmidi(&(0x7f0000000080), 0x3, 0x1)
syz_open_dev$sndmidi(&(0x7f00000000c0), 0x3, 0x2)
syz_open_dev$sndmidi(&(0x7f0000000100), 0x3, 0x800)
syz_open_dev$sndmidi(&(0x7f0000000140), 0xd, 0x0)
syz_open_dev$sndmidi(&(0x7f0000000180), 0xd, 0x1)
syz_open_dev$sndmidi(&(0x7f00000001c0), 0xd, 0x2)
syz_open_dev$sndmidi(&(0x7f0000000200), 0xd, 0x800)
syz_open_dev$sndmidi(&(0x7f0000000240), 0x17, 0x0)
syz_open_dev$sndmidi(&(0x7f0000000280), 0x17, 0x1)
syz_open_dev$sndmidi(&(0x7f00000002c0), 0x17, 0x2)
syz_open_dev$sndmidi(&(0x7f0000000300), 0x17, 0x800)
syz_open_dev$sndmidi(&(0x7f0000000340), 0x21, 0x0)
syz_open_dev$sndmidi(&(0x7f0000000380), 0x21, 0x1)
syz_open_dev$sndmidi(&(0x7f00000003c0), 0x21, 0x2)
syz_open_dev$sndmidi(&(0x7f0000000400), 0x21, 0x800)
syz_open_dev$sndmidi(&(0x7f0000000440), 0x2b, 0x0)
syz_open_dev$sndmidi(&(0x7f0000000480), 0x2b, 0x1)
syz_open_dev$sndmidi(&(0x7f00000004c0), 0x2b, 0x2)
syz_open_dev$sndmidi(&(0x7f0000000500), 0x2b, 0x800)
0s ago: executing program 2:
syz_open_dev$sndpcmp(&(0x7f0000000040), 0x3, 0x0)
syz_open_dev$sndpcmp(&(0x7f0000000080), 0x3, 0x1)
syz_open_dev$sndpcmp(&(0x7f00000000c0), 0x3, 0x2)
syz_open_dev$sndpcmp(&(0x7f0000000100), 0x3, 0x800)
syz_open_dev$sndpcmp(&(0x7f0000000140), 0xd, 0x0)
syz_open_dev$sndpcmp(&(0x7f0000000180), 0xd, 0x1)
syz_open_dev$sndpcmp(&(0x7f00000001c0), 0xd, 0x2)
syz_open_dev$sndpcmp(&(0x7f0000000200), 0xd, 0x800)
syz_open_dev$sndpcmp(&(0x7f0000000240), 0x17, 0x0)
syz_open_dev$sndpcmp(&(0x7f0000000280), 0x17, 0x1)
syz_open_dev$sndpcmp(&(0x7f00000002c0), 0x17, 0x2)
syz_open_dev$sndpcmp(&(0x7f0000000300), 0x17, 0x800)
syz_open_dev$sndpcmp(&(0x7f0000000340), 0x21, 0x0)
syz_open_dev$sndpcmp(&(0x7f0000000380), 0x21, 0x1)
syz_open_dev$sndpcmp(&(0x7f00000003c0), 0x21, 0x2)
syz_open_dev$sndpcmp(&(0x7f0000000400), 0x21, 0x800)
syz_open_dev$sndpcmp(&(0x7f0000000440), 0x2b, 0x0)
syz_open_dev$sndpcmp(&(0x7f0000000480), 0x2b, 0x1)
syz_open_dev$sndpcmp(&(0x7f00000004c0), 0x2b, 0x2)
syz_open_dev$sndpcmp(&(0x7f0000000500), 0x2b, 0x800)
kernel console output (not intermixed with test programs):
Warning: Permanently added '10.128.0.51' (ED25519) to the list of known hosts.
2024/06/21 15:46:11 fuzzer started
2024/06/21 15:46:11 dialing manager at 10.128.0.163:30023
[ 52.639262][ T3548] cgroup: Unknown subsys name 'net'
[ 52.869479][ T3548] cgroup: Unknown subsys name 'rlimit'
2024/06/21 15:46:13 starting 5 executor processes
[ 54.048469][ T3555] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS
[ 55.760579][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 55.768898][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 55.837802][ T935] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[ 55.877058][ T3692] chnl_net:caif_netlink_parms(): no params data found
[ 55.978479][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
[ 55.997010][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
[ 56.114393][ T935] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
[ 56.363900][ T3692] bridge0: port 1(bridge_slave_0) entered blocking state
[ 56.390536][ T3692] bridge0: port 1(bridge_slave_0) entered disabled state
[ 56.398934][ T3692] device bridge_slave_0 entered promiscuous mode
[ 56.467926][ T3692] bridge0: port 2(bridge_slave_1) entered blocking state
[ 56.511627][ T3692] bridge0: port 2(bridge_slave_1) entered disabled state
[ 56.530395][ T3692] device bridge_slave_1 entered promiscuous mode
[ 56.621203][ T3692] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 56.654712][ T3692] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 56.841933][ T3692] team0: Port device team_slave_0 added
[ 56.897233][ T3692] team0: Port device team_slave_1 added
[ 56.983728][ T3692] batman_adv: batadv0: Adding interface: batadv_slave_0
[ 57.016564][ T3692] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[ 57.050205][ T3692] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active
[ 57.083488][ T3692] batman_adv: batadv0: Adding interface: batadv_slave_1
[ 57.090647][ T3692] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem.
[ 57.126441][ T3692] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
[ 57.169061][ T3692] device hsr_slave_0 entered promiscuous mode
[ 57.176231][ T3692] device hsr_slave_1 entered promiscuous mode
[ 57.319768][ T3692] netdevsim netdevsim3 netdevsim0: renamed from eth0
[ 57.333405][ T3692] netdevsim netdevsim3 netdevsim1: renamed from eth1
[ 57.346432][ T3692] netdevsim netdevsim3 netdevsim2: renamed from eth2
[ 57.357955][ T3692] netdevsim netdevsim3 netdevsim3: renamed from eth3
[ 57.452384][ T3692] 8021q: adding VLAN 0 to HW filter on device bond0
[ 57.468131][ T3706] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready
[ 57.482250][ T3706] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 57.490960][ T3706] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 57.505069][ T3692] 8021q: adding VLAN 0 to HW filter on device team0
[ 57.519013][ T3730] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 57.530574][ T3730] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 57.539744][ T3730] bridge0: port 1(bridge_slave_0) entered blocking state
[ 57.547323][ T3730] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 57.565000][ T46]
[ 57.567696][ T46] =============================
[ 57.572884][ T46] WARNING: suspicious RCU usage
[ 57.574753][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 57.577812][ T46] 6.1.95-syzkaller #0 Not tainted
[ 57.586990][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 57.590643][ T46] -----------------------------
[ 57.590652][ T46] net/netfilter/ipset/ip_set_core.c:1202 suspicious rcu_dereference_protected() usage!
[ 57.590670][ T46]
[ 57.590670][ T46] other info that might help us debug this:
[ 57.590670][ T46]
[ 57.590676][ T46]
[ 57.590676][ T46] rcu_scheduler_active = 2, debug_locks = 1
[ 57.590687][ T46] 3 locks held by kworker/u4:3/46:
[ 57.590697][ T46] #0: ffff888012616938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0
[ 57.600220][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 57.603996][ T46] #1:
[ 57.616760][ T7] bridge0: port 2(bridge_slave_1) entered blocking state
[ 57.624237][ T46] ffffc90000b77d20
[ 57.632454][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 57.637660][ T46] (net_cleanup_work
[ 57.667749][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 57.670291][ T46] ){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0
[ 57.670338][ T46] #2: ffffffff8e28d9d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xf1/0xb60
[ 57.670395][ T46]
[ 57.670395][ T46] stack backtrace:
[ 57.670412][ T46] CPU: 1 PID: 46 Comm: kworker/u4:3 Not tainted 6.1.95-syzkaller #0
[ 57.681208][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 57.681934][ T46] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 57.693794][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 57.696797][ T46] Workqueue: netns cleanup_net
[ 57.722960][ T3730] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 57.728338][ T46]
[ 57.728358][ T46] Call Trace:
[ 57.741764][ T3730] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 57.746710][ T46]
[ 57.746725][ T46] dump_stack_lvl+0x1e3/0x2cb
[ 57.753479][ T3730] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 57.759256][ T46] ? nf_tcp_handle_invalid+0x642/0x642
[ 57.759294][ T46] ? panic+0x764/0x764
[ 57.759319][ T46] lockdep_rcu_suspicious+0x21c/0x330
[ 57.769640][ T3692] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 57.772932][ T46] _destroy_all_sets+0x22c/0x5e0
[ 57.772971][ T46] ip_set_net_exit+0x1c/0x50
[ 57.772990][ T46] cleanup_net+0x6ce/0xb60
[ 57.773019][ T46] ? ops_free_list+0x3b0/0x3b0
[ 57.773047][ T46] ? process_one_work+0x7a9/0x11d0
[ 57.773066][ T46] process_one_work+0x8a9/0x11d0
[ 57.773097][ T46] ? worker_detach_from_pool+0x260/0x260
[ 57.773118][ T46] ? _raw_spin_lock_irqsave+0x120/0x120
[ 57.856157][ T46] ? kthread_data+0x4e/0xc0
[ 57.860776][ T46] ? wq_worker_running+0x97/0x190
2024/06/21 15:46:17 SYZFATAL: failed to recv *flatrpc.HostMessageRaw: EOF
[ 57.865799][ T46] worker_thread+0xa47/0x1200
[ 57.870495][ T46] kthread+0x28d/0x320
[ 57.874558][ T46] ? worker_clr_flags+0x190/0x190
[ 57.879582][ T46] ? kthread_blkcg+0xd0/0xd0
[ 57.884167][ T46] ret_from_fork+0x1f/0x30
[ 57.888590][ T46]
[ 57.910654][ T3692] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 57.924916][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 57.933507][ T46]
[ 57.935868][ T46] =============================
[ 57.936019][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 57.940960][ T46] WARNING: suspicious RCU usage
[ 57.953570][ T46] 6.1.95-syzkaller #0 Not tainted
[ 57.958777][ T46] -----------------------------
[ 57.963740][ T46] net/netfilter/ipset/ip_set_core.c:1213 suspicious rcu_dereference_protected() usage!
[ 57.973837][ T46]
[ 57.973837][ T46] other info that might help us debug this:
[ 57.973837][ T46]
[ 57.984399][ T46]
[ 57.984399][ T46] rcu_scheduler_active = 2, debug_locks = 1
[ 57.993023][ T46] 3 locks held by kworker/u4:3/46:
[ 57.998164][ T46] #0: ffff888012616938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0
[ 58.008827][ T46] #1: ffffc90000b77d20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7a9/0x11d0
[ 58.018895][ T46] #2: ffffffff8e28d9d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xf1/0xb60
[ 58.028827][ T46]
[ 58.028827][ T46] stack backtrace:
[ 58.036437][ T46] CPU: 1 PID: 46 Comm: kworker/u4:3 Not tainted 6.1.95-syzkaller #0
[ 58.044606][ T46] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 58.055045][ T46] Workqueue: netns cleanup_net
[ 58.059842][ T46] Call Trace:
[ 58.063234][ T46]
[ 58.066172][ T46] dump_stack_lvl+0x1e3/0x2cb
[ 58.070973][ T46] ? nf_tcp_handle_invalid+0x642/0x642
[ 58.076648][ T46] ? panic+0x764/0x764
[ 58.080797][ T46] lockdep_rcu_suspicious+0x21c/0x330
[ 58.086467][ T46] _destroy_all_sets+0x533/0x5e0
[ 58.091428][ T46] ip_set_net_exit+0x1c/0x50
[ 58.096061][ T46] cleanup_net+0x6ce/0xb60
[ 58.100685][ T46] ? ops_free_list+0x3b0/0x3b0
[ 58.105468][ T46] ? process_one_work+0x7a9/0x11d0
[ 58.110752][ T46] process_one_work+0x8a9/0x11d0
[ 58.115710][ T46] ? worker_detach_from_pool+0x260/0x260
[ 58.121450][ T46] ? _raw_spin_lock_irqsave+0x120/0x120
[ 58.127121][ T46] ? kthread_data+0x4e/0xc0
[ 58.131635][ T46] ? wq_worker_running+0x97/0x190
[ 58.136661][ T46] worker_thread+0xa47/0x1200
[ 58.141959][ T46] kthread+0x28d/0x320
[ 58.146192][ T46] ? worker_clr_flags+0x190/0x190
[ 58.151417][ T46] ? kthread_blkcg+0xd0/0xd0
[ 58.156001][ T46] ret_from_fork+0x1f/0x30
[