syzkaller login: [ 277.716234][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 286.081637][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 286.138823][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 286.218332][ T1858] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:6150' (ECDSA) to the list of known hosts. 1970/01/01 00:05:23 fuzzer started 1970/01/01 00:05:38 dialing manager at localhost:37149 [ 346.657877][ T2025] cgroup: Unknown subsys name 'net' [ 347.608929][ T2025] cgroup: Unknown subsys name 'rlimit' 1970/01/01 00:05:47 syscalls: 2870 1970/01/01 00:05:47 code coverage: enabled 1970/01/01 00:05:47 comparison tracing: enabled 1970/01/01 00:05:47 extra coverage: enabled 1970/01/01 00:05:47 delay kcov mmap: mmap returned an invalid pointer 1970/01/01 00:05:47 setuid sandbox: enabled 1970/01/01 00:05:47 namespace sandbox: enabled 1970/01/01 00:05:47 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:05:47 fault injection: enabled 1970/01/01 00:05:47 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:05:47 net packet injection: enabled 1970/01/01 00:05:47 net device setup: enabled 1970/01/01 00:05:47 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:05:47 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:05:47 USB emulation: enabled 1970/01/01 00:05:47 hci packet injection: /dev/vhci does not exist 1970/01/01 00:05:47 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:05:47 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist 1970/01/01 00:05:47 fetching corpus: 0, signal 0/2000 (executing program) 1970/01/01 00:05:53 fetching corpus: 50, signal 28410/31905 (executing program) 1970/01/01 00:05:56 fetching corpus: 99, signal 43427/48279 (executing program) 1970/01/01 00:06:01 fetching corpus: 149, signal 54605/60690 (executing program) 1970/01/01 00:06:04 fetching corpus: 199, signal 60348/67708 (executing program) 1970/01/01 00:06:07 fetching corpus: 249, signal 67656/76074 (executing program) 1970/01/01 00:06:09 fetching corpus: 299, signal 73716/83103 (executing program) 1970/01/01 00:06:12 fetching corpus: 349, signal 80052/90317 (executing program) 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1970/01/01 00:16:32 fetching corpus: 8058, signal 225800/228399 (executing program) 1970/01/01 00:16:33 fetching corpus: 8058, signal 225800/228399 (executing program) 1970/01/01 00:18:32 starting 2 fuzzer processes 00:18:32 executing program 0: syz_mount_image$ext4(&(0x7f0000000000)='ext2\x00', &(0x7f0000000100)='./file0\x00', 0x0, 0x0, &(0x7f00000003c0), 0x0, &(0x7f0000000500)={[{@resuid}]}, 0x0) 00:18:32 executing program 1: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f0000000540)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000580)={{0x14}, [@NFT_MSG_NEWTABLE={0x20, 0x0, 0xa, 0x101, 0x0, 0x0, {}, [@NFTA_TABLE_NAME={0x9, 0x1, 'syz1\x00'}]}, @NFT_MSG_DELRULE={0x14, 0x8, 0xa, 0x401}, @NFT_MSG_DELFLOWTABLE={0x2c, 0x18, 0xa, 0x201, 0x0, 0x0, {}, [@NFTA_FLOWTABLE_NAME={0x9, 0x2, 'syz2\x00'}, @NFTA_FLOWTABLE_TABLE={0x9, 0x1, 'syz0\x00'}]}], {0x14}}, 0x88}}, 0x0) [ 1146.043072][ T2046] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1146.697595][ T2046] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1147.849137][ T2047] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1148.499223][ T2047] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1161.047054][ T2046] device hsr_slave_0 entered promiscuous mode [ 1161.098575][ T2046] device hsr_slave_1 entered promiscuous mode [ 1163.569637][ T2047] device hsr_slave_0 entered promiscuous mode [ 1163.601889][ T2047] device hsr_slave_1 entered promiscuous mode [ 1163.617122][ T2047] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 1163.621972][ T2047] Cannot create hsr debugfs directory [ 1171.420137][ T2046] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 1171.834358][ T2046] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 1171.943220][ T2046] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 1172.250147][ T2046] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 1173.562815][ T2047] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1173.748654][ T2047] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1173.864353][ T2047] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1174.087852][ T2047] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1184.745505][ T2046] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1185.883373][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1185.999164][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1188.326815][ T2047] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1188.813444][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1188.865415][ T2679] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1195.614946][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1195.688696][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1195.932705][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1195.979883][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1196.305980][ T2107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1196.809355][ T2107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1196.887027][ T2107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1196.915362][ T2107] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1197.853668][ T2114] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1197.904336][ T2114] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1197.922418][ T2114] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1198.303443][ T2666] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1198.337485][ T2666] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1198.370186][ T2666] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1198.948737][ T2107] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1199.039675][ T2107] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1199.405202][ T2046] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1199.776784][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1199.805023][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1200.208245][ T2114] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1200.249369][ T2114] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1200.604685][ T2047] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1201.354224][ T2026] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1201.359808][ T2026] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1201.665118][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 1201.725523][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 1204.265833][ T2045] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1460 [ 1204.268238][ T2045] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 2045, name: syz-fuzzer [ 1204.269627][ T2045] preempt_count: 0, expected: 0 [ 1204.271795][ T2045] RCU nest depth: 0, expected: 0 [ 1204.274025][ T2045] no locks held by syz-fuzzer/2045. [ 1204.275286][ T2045] irq event stamp: 17612 [ 1204.276341][ T2045] hardirqs last enabled at (17611): [] finish_task_switch.isra.0+0x152/0x420 [ 1204.278373][ T2045] hardirqs last disabled at (17612): [] __trace_hardirqs_off+0x18/0x20 [ 1204.282131][ T2045] softirqs last enabled at (17520): [] __do_softirq+0x618/0x8fc [ 1204.283897][ T2045] softirqs last disabled at (17507): [] __irq_exit_rcu+0x142/0x1f8 [ 1204.285903][ T2045] CPU: 1 PID: 2045 Comm: syz-fuzzer Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 [ 1204.287602][ T2045] Hardware name: riscv-virtio,qemu (DT) [ 1204.288834][ T2045] Call Trace: [ 1204.289826][ T2045] [] dump_backtrace+0x2e/0x3c [ 1204.291145][ T2045] [] show_stack+0x34/0x40 [ 1204.292372][ T2045] [] dump_stack_lvl+0xe4/0x150 [ 1204.293647][ T2045] [] dump_stack+0x1c/0x24 [ 1204.302867][ T2045] [] __might_resched+0x30a/0x342 [ 1204.304267][ T2045] [] __might_sleep+0x5e/0x8e [ 1204.305512][ T2045] [] down_read+0x24/0x54 [ 1204.306671][ T2045] [] do_page_fault+0x24e/0xa3c [ 1204.308080][ T2045] [] ret_from_exception+0x0/0x10 [ 1229.083569][ T2187] device hsr_slave_0 left promiscuous mode [ 1229.159555][ T2187] device hsr_slave_1 left promiscuous mode VM DIAGNOSIS: 09:39:50 Registers: info registers vcpu 0 pc ffffffff8047599e mhartid 0000000000000000 mstatus 00000000000001a0 mip 00000000000000a0 mie 000000000000020a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff80200f00 sepc ffffffff8010b26a mcause 8000000000000007 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff8010ef76 x2/sp ffffaf8007ba6f60 x3/gp ffffffff85863ac0 x4/tp ffffaf8007fb9840 x5/t0 0000000000046000 x6/t1 924f2b642df2d500 x7/t2 ffffffff83604ca0 x8/s0 ffffaf8007ba6f70 x9/s1 ffffffff84b86688 x10/a0 ffffaf8007fb9860 x11/a1 0000000000000000 x12/a2 0000000000000000 x13/a3 ffffffff8010ef76 x14/a4 0000000000000001 x15/a5 ffffaf8007fb9860 x16/a6 ffffffff8016f3a6 x17/a7 ffffffff8016f3a6 x18/s2 ffffaf8007fb9840 x19/s3 0000000000000000 x20/s4 0000000000000002 x21/s5 0000000000000001 x22/s6 0000000000000000 x23/s7 ffffffff8016f3a6 x24/s8 ffffaf805a9cb568 x25/s9 ffffffff8588a420 x26/s10 ffffaf805a9cb5e8 x27/s11 ffffaf805a9cb448 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f000f74db4 x31/t6 0000000000040000 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 0000000000000000 f3/ft3 0000000000000000 f4/ft4 0000000000000000 f5/ft5 0000000000000000 f6/ft6 0000000000000000 f7/ft7 0000000000000000 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 0000000000000000 f11/fa1 0000000000000000 f12/fa2 0000000000000000 f13/fa3 0000000000000000 f14/fa4 0000000000000000 f15/fa5 0000000000000000 f16/fa6 0000000000000000 f17/fa7 0000000000000000 f18/fs2 0000000000000000 f19/fs3 0000000000000000 f20/fs4 0000000000000000 f21/fs5 0000000000000000 f22/fs6 0000000000000000 f23/fs7 0000000000000000 f24/fs8 0000000000000000 f25/fs9 0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000 f28/ft8 0000000000000000 f29/ft9 0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000 info registers vcpu 1 pc ffffffff801229fc mhartid 0000000000000001 mstatus 0000000000000080 mip 00000000000000a0 mie 000000000000022a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff80c2d9e0 sepc 0000000000053a24 mcause 8000000000000007 scause 000000000000000d mtval 0000000000000000 stval 000000000000202f x0/zero 0000000000000000 x1/ra ffffffff801229f8 x2/sp ffffaf800f793960 x3/gp ffffffff85863ac0 x4/tp ffffaf80073d0000 x5/t0 ffffffff86bd9d10 x6/t1 fffff5ef01ef2734 x7/t2 0000000000000000 x8/s0 ffffaf800f793a30 x9/s1 ffffaf800f793b20 x10/a0 0000000000000000 x11/a1 00000000000f0000 x12/a2 0000000000000002 x13/a3 ffffffff801229f8 x14/a4 ffffaf80073d1000 x15/a5 0000000000000000 x16/a6 0000000000f00000 x17/a7 ffffaf800f7939a7 x18/s2 0000000000000000 x19/s3 ffffaf800f793b28 x20/s4 ffffffff85889780 x21/s5 1ffff5f001ef2730 x22/s6 ffffffff84b3d1e0 x23/s7 00000000ffffe2f8 x24/s8 00000000ffffe2f8 x25/s9 1ffff5f001ef2754 x26/s10 ffffffff85889780 x27/s11 ffffaf800f793b20 x28/t3 0000000000000030 x29/t4 fffff5ef01ef2734 x30/t5 fffff5ef01ef2735 x31/t6 ffffffff86bd9d31 f0/ft0 0000000000000000 f1/ft1 40ca7b7c7de25d16 f2/ft2 417b083280000000 f3/ft3 43e0000000000000 f4/ft4 3ffe000000000000 f5/ft5 0000000000000000 f6/ft6 0000000000000000 f7/ft7 0000000000000000 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 0000000000000000 f11/fa1 0000000000000000 f12/fa2 0000000000000000 f13/fa3 0000000000000000 f14/fa4 0000000000000000 f15/fa5 0000000000000000 f16/fa6 0000000000000000 f17/fa7 0000000000000000 f18/fs2 0000000000000000 f19/fs3 0000000000000000 f20/fs4 0000000000000000 f21/fs5 0000000000000000 f22/fs6 0000000000000000 f23/fs7 0000000000000000 f24/fs8 0000000000000000 f25/fs9 0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000 f28/ft8 0000000000000000 f29/ft9 0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000