[ 262.765917][ T1859] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. [ 262.796292][ T1859] netlink: 4 bytes leftover after parsing attributes in process `dhcpcd'. Warning: Permanently added '[localhost]:28987' (ECDSA) to the list of known hosts. 1970/01/01 00:05:33 fuzzer started 1970/01/01 00:05:48 dialing manager at localhost:38841 [ 356.270940][ T2026] cgroup: Unknown subsys name 'net' [ 357.191745][ T2026] cgroup: Unknown subsys name 'rlimit' 1970/01/01 00:05:56 syscalls: 2918 1970/01/01 00:05:56 code coverage: enabled 1970/01/01 00:05:56 comparison tracing: enabled 1970/01/01 00:05:56 extra coverage: enabled 1970/01/01 00:05:56 delay kcov mmap: mmap returned an invalid pointer 1970/01/01 00:05:56 setuid sandbox: enabled 1970/01/01 00:05:56 namespace sandbox: enabled 1970/01/01 00:05:56 Android sandbox: /sys/fs/selinux/policy does not exist 1970/01/01 00:05:56 fault injection: enabled 1970/01/01 00:05:56 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 1970/01/01 00:05:56 net packet injection: enabled 1970/01/01 00:05:56 net device setup: enabled 1970/01/01 00:05:56 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 1970/01/01 00:05:56 devlink PCI setup: PCI device 0000:00:10.0 is not available 1970/01/01 00:05:57 NIC VF setup: PCI device 0000:00:11.0 is not available 1970/01/01 00:05:57 USB emulation: enabled 1970/01/01 00:05:57 hci packet injection: /dev/vhci does not exist 1970/01/01 00:05:57 wifi device emulation: /sys/class/mac80211_hwsim/ does not exist 1970/01/01 00:05:57 802.15.4 emulation: /sys/bus/platform/devices/mac802154_hwsim does not exist 1970/01/01 00:05:57 fetching corpus: 0, signal 0/2000 (executing program) 1970/01/01 00:05:59 fetching corpus: 50, signal 25165/28640 (executing program) 1970/01/01 00:06:03 fetching corpus: 100, signal 40973/45724 (executing program) 1970/01/01 00:06:06 fetching corpus: 150, signal 50405/56469 (executing program) 1970/01/01 00:06:09 fetching corpus: 199, signal 56025/63354 (executing program) 1970/01/01 00:06:12 fetching corpus: 248, signal 63225/71613 (executing program) 1970/01/01 00:06:14 fetching corpus: 298, signal 67240/76762 (executing program) 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00:12:25 starting 2 fuzzer processes 00:12:25 executing program 0: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) sendmsg$nl_route(r1, &(0x7f0000001240)={0x0, 0x0, &(0x7f0000001200)={&(0x7f0000000180)=@ipv4_delroute={0x1b, 0x19, 0x1, 0x0, 0x0, {}, [@RTA_UID={0x8, 0x19, 0xffffffffffffffff}, @RTA_FLOW={0x8}]}, 0x2c}}, 0x0) 00:12:25 executing program 1: bpf$MAP_GET_NEXT_KEY(0x15, &(0x7f0000000100)={0xffffffffffffffff, 0x0, 0x0}, 0x20) [ 1215.692304][ T27] INFO: task syz-executor.0:2039 blocked for more than 430 seconds. [ 1215.695073][ T27] Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 [ 1215.722254][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1215.724583][ T27] task:syz-executor.0 state:D stack: 0 pid: 2039 ppid: 2036 flags:0x00000000 [ 1215.727671][ T27] Call Trace: [ 1215.750807][ T27] [] schedule+0x74/0x14c [ 1215.753044][ T27] [] schedule_preempt_disabled+0x16/0x28 [ 1215.755256][ T27] [] __mutex_lock+0x522/0xade [ 1215.757309][ T27] [] mutex_lock_nested+0x14/0x1c [ 1215.782349][ T27] [] rtnetlink_rcv_msg+0x2fe/0x9a0 [ 1215.784665][ T27] [] netlink_rcv_skb+0xf8/0x2be [ 1215.786455][ T27] [] rtnetlink_rcv+0x26/0x30 [ 1215.788343][ T27] [] netlink_unicast+0x40e/0x5fe [ 1215.810818][ T27] [] netlink_sendmsg+0x4e0/0x994 [ 1215.812916][ T27] [] sock_sendmsg+0xa0/0xc4 [ 1215.814760][ T27] [] __sys_sendto+0x1f2/0x2e0 [ 1215.816519][ T27] [] sys_sendto+0x3e/0x52 [ 1215.818348][ T27] [] ret_from_syscall+0x0/0x2 [ 1215.851685][ T27] [ 1215.851685][ T27] Showing all locks held in the system: [ 1215.854121][ T27] 2 locks held by kworker/1:0/20: [ 1215.855842][ T27] 1 lock held by khungtaskd/27: [ 1215.857292][ T27] #0: ffffffff84b73e00 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x3c/0x20e [ 1215.885541][ T27] 1 lock held by hwrng/669: [ 1215.886897][ T27] #0: ffffffff84e5d528 (reading_mutex){+.+.}-{3:3}, at: hwrng_fillfn+0xd8/0x23c [ 1215.912809][ T27] 2 locks held by getty/1990: [ 1215.914271][ T27] #0: ffffaf800bf8b098 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3a/0x46 [ 1215.918017][ T27] #1: ffff8f8010b082e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xa52/0xbac [ 1215.943389][ T27] 2 locks held by syz-fuzzer/2019: [ 1215.945322][ T27] 2 locks held by kworker/u4:0/2029: [ 1215.947041][ T27] #0: ffffaf8007229138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x524/0xffe [ 1215.971754][ T27] #1: ffffaf8009d33cf0 ((kfence_timer).work){+.+.}-{0:0}, at: process_one_work+0x524/0xffe [ 1215.974310][ T27] 1 lock held by syz-executor.0/2039: [ 1215.975284][ T27] #0: ffffffff855cf108 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2fe/0x9a0 [ 1215.978175][ T27] 1 lock held by syz-executor.1/2040: [ 1216.011895][ T27] [ 1216.013078][ T27] ============================================= [ 1216.013078][ T27] [ 1216.015308][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 1216.017333][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.17.0-rc1-syzkaller-00002-g0966d385830d #0 [ 1216.019851][ T27] Hardware name: riscv-virtio,qemu (DT) [ 1216.021115][ T27] Call Trace: [ 1216.022205][ T27] [] dump_backtrace+0x2e/0x3c [ 1216.024079][ T27] [] show_stack+0x34/0x40 [ 1216.025756][ T27] [] dump_stack_lvl+0xe4/0x150 [ 1216.027614][ T27] [] dump_stack+0x1c/0x24 [ 1216.029256][ T27] [] panic+0x24a/0x634 [ 1216.031078][ T27] [] touch_softlockup_watchdog+0x0/0x7a [ 1216.033141][ T27] [] kthread+0x19e/0x1fa [ 1216.034941][ T27] [] ret_from_exception+0x0/0x10 [ 1216.037088][ T27] SMP: stopping secondary CPUs [ 1218.412051][ T27] SMP: failed to stop secondary CPUs 0-1 [ 1218.415430][ T27] Rebooting in 86400 seconds.. VM DIAGNOSIS: 20:39:42 Registers: info registers vcpu 0 pc ffffffff80470762 mhartid 0000000000000000 mstatus 00000000000000a0 mip 00000000000002a2 mie 000000000000022a mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff80470762 sepc 0000000000083668 mcause 8000000000000003 scause 0000000000000008 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff80470728 x2/sp ffffaf800e947af0 x3/gp ffffffff85863ac0 x4/tp ffffaf800eccc8c0 x5/t0 ffffaf800e947e00 x6/t1 fffffffef094defe x7/t2 0000000000000001 x8/s0 ffffaf800e947b80 x9/s1 ffffaf80072ed780 x10/a0 0000000000000000 x11/a1 0000000000000007 x12/a2 1ffffffff09878ec x13/a3 ffffffff80be1fc8 x14/a4 0000000000000000 x15/a5 0000000000000000 x16/a6 0000000000f00000 x17/a7 ffffffff84a6f7f7 x18/s2 0000000000000a20 x19/s3 0000000000000000 x20/s4 0000000000000a20 x21/s5 ffffffff800737d8 x22/s6 ffffffff85889780 x23/s7 ffffffff85869700 x24/s8 0000000000000050 x25/s9 ffffaf800c29d168 x26/s10 0000000000000000 x27/s11 0000000000000016 x28/t3 fffffffff3f3f300 x29/t4 fffffffef094defe x30/t5 fffffffef094deff x31/t6 0000000000083310 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 414fffffe0000000 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 info registers vcpu 1 pc ffffffff80dc337e mhartid 0000000000000001 mstatus 00000000000001a0 mip 0000000000000000 mie 00000000000002aa mideleg 0000000000000222 medeleg 000000000000b109 mtvec 0000000080000540 stvec ffffffff800055d4 mepc ffffffff8000f97e sepc ffffffff80470762 mcause 0000000000000009 scause 8000000000000005 mtval 0000000000000000 stval 0000000000000000 x0/zero 0000000000000000 x1/ra ffffffff80dc337e x2/sp ffffaf800938f8a0 x3/gp ffffffff85863ac0 x4/tp ffffaf8009183080 x5/t0 ffffffff86bcb657 x6/t1 7c8c182f45470600 x7/t2 0000000000000000 x8/s0 ffffaf800938f8d0 x9/s1 ffffffff86e58900 x10/a0 ffffffff86e58948 x11/a1 ffff8f800066c000 x12/a2 1ffffffff0dcb129 x13/a3 ffffffff80dc337e x14/a4 0000000000000000 x15/a5 ffffffff86e58948 x16/a6 ffffffff86e589f1 x17/a7 ffffffff80dcc9fe x18/s2 ffff8f800066c000 x19/s3 0000000000000039 x20/s4 ffffffff86e58900 x21/s5 ffffffff80dc333e x22/s6 0000000000000000 x23/s7 ffffffff86bcb695 x24/s8 0000000000000010 x25/s9 ffffffff86e58958 x26/s10 0000000000000010 x27/s11 0000000000000000 x28/t3 fffffffff3f3f300 x29/t4 ffffffff80112282 x30/t5 1ffff5f001271ec4 x31/t6 ffffffff86bcb657 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