syzkaller login: [ 65.589415][ T38] audit: type=1400 audit(1575109072.365:41): avc: denied { map } for pid=7848 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '[localhost]:2878' (ECDSA) to the list of known hosts. [ 67.355905][ T38] audit: type=1400 audit(1575109074.125:42): avc: denied { map } for pid=7858 comm="syz-fuzzer" path="/syz-fuzzer" dev="sda1" ino=16526 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 2019/11/30 10:17:54 fuzzer started 2019/11/30 10:17:54 dialing manager at 10.0.2.10:40921 2019/11/30 10:17:54 syscalls: 2533 2019/11/30 10:17:54 code coverage: enabled 2019/11/30 10:17:54 comparison tracing: enabled 2019/11/30 10:17:54 extra coverage: extra coverage is not supported by the kernel 2019/11/30 10:17:54 setuid sandbox: enabled 2019/11/30 10:17:54 namespace sandbox: enabled 2019/11/30 10:17:54 Android sandbox: /sys/fs/selinux/policy does not exist 2019/11/30 10:17:54 fault injection: enabled 2019/11/30 10:17:54 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/11/30 10:17:54 net packet injection: enabled 2019/11/30 10:17:54 net device setup: enabled 2019/11/30 10:17:54 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/11/30 10:17:54 devlink PCI setup: PCI device 0000:00:10.0 is not available 10:18:07 executing program 0: r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0xc, 0xe, &(0x7f0000000840)=ANY=[@ANYBLOB="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"], &(0x7f0000000340)='syzkaller\x00'}, 0x48) bpf$BPF_PROG_TEST_RUN(0xa, &(0x7f0000000080)={r0, 0x18000000000002a0, 0xe80, 0xfffffffffffffe7f, &(0x7f0000000500)="b9ff0300600d698cb89e14f088a81fffffff00004000632177fbac14140ee934a0a662079f4b4d2f87e5eeca6aab845013f2325f1a39010108038da1924425181aa5", 0x0, 0x100, 0x60000000, 0x0, 0xfffffffffffffe09}, 0x28) [ 80.282211][ T38] audit: type=1400 audit(1575109087.055:43): avc: denied { map } for pid=7880 comm="syz-executor.0" path="/sys/kernel/debug/kcov" dev="debugfs" ino=20566 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 10:18:07 executing program 1: r0 = open(&(0x7f00000009c0)='./bus\x00', 0x141042, 0x0) dup(0xffffffffffffffff) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x800002, 0x11, r0, 0x0) r1 = creat(&(0x7f0000000140)='./bus\x00', 0x1c8) fcntl$setstatus(r1, 0x4, 0x6100) ftruncate(r1, 0x8200) openat$ashmem(0xffffffffffffff9c, &(0x7f0000002800)='/dev/ashmem\x00', 0x0, 0x0) sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0) ioctl$TCSETA(0xffffffffffffffff, 0x5406, 0x0) add_key(0x0, 0x0, 0x0, 0x0, 0x0) lsetxattr$smack_xattr_label(0x0, &(0x7f00000000c0)='security.SMACK64IPIN\x00', &(0x7f0000000100)=ANY=[@ANYBLOB="742d7327800000"], 0x7, 0x1) lsetxattr$security_capability(&(0x7f0000000240)='./bus\x00', 0x0, &(0x7f0000000500)=@v3={0x3000000, [{}, {0x0, 0x28}]}, 0x18, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x294ad, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0xdf, 0x0, 0x8, 0x7}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f00000075c0)={'team0\x00'}) write$cgroup_type(r1, &(0x7f0000000200)='\x00\x02readed\x80', 0xffffffad) getresuid(&(0x7f0000004180), 0x0, 0x0) [ 80.426962][ T7881] IPVS: ftp: loaded support on port[0] = 21 [ 80.502919][ T7881] chnl_net:caif_netlink_parms(): no params data found [ 80.515573][ T7884] IPVS: ftp: loaded support on port[0] = 21 [ 80.540382][ T7881] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.547916][ T7881] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.555887][ T7881] device bridge_slave_0 entered promiscuous mode [ 80.565739][ T7881] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.573123][ T7881] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.581228][ T7881] device bridge_slave_1 entered promiscuous mode [ 80.604184][ T7881] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 80.616976][ T7881] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 80.640159][ T7881] team0: Port device team_slave_0 added [ 80.647416][ T7881] team0: Port device team_slave_1 added [ 80.720118][ T7881] device hsr_slave_0 entered promiscuous mode [ 80.788356][ T7881] device hsr_slave_1 entered promiscuous mode [ 80.876977][ T7884] chnl_net:caif_netlink_parms(): no params data found [ 80.901518][ T38] audit: type=1400 audit(1575109087.675:44): avc: denied { create } for pid=7881 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 80.926117][ T38] audit: type=1400 audit(1575109087.675:45): avc: denied { write } for pid=7881 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 80.926134][ T38] audit: type=1400 audit(1575109087.675:46): avc: denied { read } for pid=7881 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 80.983212][ T7881] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 81.065562][ T7881] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 81.185834][ T7881] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 81.259651][ T7884] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.267288][ T7884] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.275258][ T7884] device bridge_slave_0 entered promiscuous mode [ 81.284088][ T7884] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.291542][ T7884] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.299540][ T7884] device bridge_slave_1 entered promiscuous mode [ 81.307335][ T7881] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 81.380231][ T7884] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 81.393530][ T7884] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.413724][ T7884] team0: Port device team_slave_0 added [ 81.421254][ T7884] team0: Port device team_slave_1 added [ 81.429152][ T7881] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.436301][ T7881] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.444161][ T7881] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.451553][ T7881] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.529944][ T7884] device hsr_slave_0 entered promiscuous mode [ 81.588348][ T7884] device hsr_slave_1 entered promiscuous mode [ 81.668178][ T7884] debugfs: Directory 'hsr0' with parent '/' already present! [ 81.677568][ T18] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.686335][ T18] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.717007][ T7884] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 81.781516][ T7884] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 81.869939][ T7884] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 81.940570][ T7884] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 82.004777][ T7881] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.020201][ T1204] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 82.029690][ T1204] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.041263][ T7881] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.052799][ T3100] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 82.061767][ T3100] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.070517][ T3100] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.077830][ T3100] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.096541][ T7884] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.105982][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 82.114701][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 82.123461][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.130951][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.144503][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 82.157795][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 82.166030][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.175139][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 82.185934][ T7884] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.195521][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 82.204867][ T18] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 82.215047][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 82.223658][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 82.232617][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.241251][ T36] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.249386][ T36] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.266890][ T7881] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 82.278297][ T7881] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 82.290622][ T7888] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 82.300685][ T7888] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 82.310037][ T7888] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 82.318790][ T7888] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 82.328089][ T7888] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 82.336658][ T7888] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.344546][ T7888] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.352782][ T7888] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 82.362005][ T7888] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 82.371285][ T7888] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 82.380069][ T7888] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 82.389166][ T7888] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 82.397499][ T7888] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 82.408218][ T7888] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 82.420088][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 82.428898][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 82.441248][ T3100] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 82.449302][ T3100] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 82.458267][ T3100] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 82.471827][ T1204] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 82.480201][ T1204] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 82.493090][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 82.501493][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 82.512479][ T7884] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 82.521790][ T2959] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 82.529528][ T2959] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 82.543640][ T7881] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 82.556534][ T38] audit: type=1400 audit(1575109089.325:47): avc: denied { associate } for pid=7881 comm="syz-executor.0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 82.557172][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 82.588633][ T13] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 82.601069][ T7884] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 82.661730][ T38] audit: type=1400 audit(1575109089.435:48): avc: denied { prog_load } for pid=7895 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 82.686936][ T38] audit: type=1400 audit(1575109089.445:49): avc: denied { open } for pid=7894 comm="syz-executor.1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=perf_event permissive=1 [ 82.712031][ T38] audit: type=1400 audit(1575109089.445:50): avc: denied { kernel } for pid=7894 comm="syz-executor.1" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=perf_event permissive=1 [ 82.736688][ T38] audit: type=1400 audit(1575109089.485:51): avc: denied { prog_run } for pid=7895 comm="syz-executor.0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 10:18:09 executing program 0: mkdir(&(0x7f0000000040)='./file1\x00', 0x0) lsetxattr$smack_xattr_label(&(0x7f0000000100)='./file1\x00', &(0x7f0000000180)='security.SMACK64MMAP\x00', 0x0, 0x0, 0x0) rmdir(&(0x7f0000000140)='./file1\x00') [ 82.786810][ C0] hrtimer: interrupt took 32685 ns 10:18:09 executing program 0: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x42, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) bind$bt_rfcomm(0xffffffffffffffff, &(0x7f0000000000)={0x1f, {0x0, 0x1ff}}, 0xa) r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = fcntl$dupfd(r0, 0x0, r0) bind$bt_rfcomm(r1, &(0x7f0000000540)={0x1f, {0x0, 0x1ff, 0x7}}, 0xa) perf_event_open(&(0x7f0000000280)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x82}, 0x10180}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$alg(0x26, 0x5, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000080)='net/dev_snmp6\x00') r4 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r4, 0x40045431, &(0x7f00003b9fdc)) r5 = syz_open_pts(r4, 0x4000000000000002) ioctl$PIO_FONTX(0xffffffffffffffff, 0x4b6c, &(0x7f0000001540)="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") dup3(r5, r3, 0x0) write$P9_RATTACH(r3, &(0x7f00000001c0)={0x14}, 0xffffffde) fcntl$setstatus(r3, 0x4, 0x40800) epoll_pwait(r3, &(0x7f0000000480), 0x0, 0x0, &(0x7f0000000500), 0x8) stat(&(0x7f0000000080)='./file0\x00', &(0x7f0000000380)) stat(0x0, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) fchown(r0, 0x0, r6) bind$alg(r2, &(0x7f0000000100)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(arc4)-generic\x00'}, 0x58) r7 = accept$alg(r2, 0x0, 0x0) r8 = dup(r7) open(&(0x7f00000000c0)='./file0\x00', 0x200000, 0x1) r9 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0xcdd0fce63f44b387, 0x0) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f00000001c0)='./cgroup.net/syz0\x00', 0x1ff) syz_open_pts(r9, 0x0) setsockopt(r8, 0x0, 0x0, &(0x7f0000000340)="b5057018", 0x4) prctl$PR_SET_UNALIGN(0x6, 0x2) 10:18:29 executing program 1: r0 = socket(0x200000000000011, 0x4000000000080002, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = dup2(r1, r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000040)={'dummy0\x00', 0x0}) bind$packet(r0, &(0x7f0000000140)={0x11, 0x0, r3, 0x1, 0x0, 0x6, @random="ecee8b1483f4"}, 0x14) sendmmsg(r0, &(0x7f0000006480)=[{{0x0, 0x0, 0x0}}, {{0x0, 0x0, 0x0}}], 0x2, 0x0) 10:18:47 executing program 1: r0 = socket$netlink(0x10, 0x3, 0x0) recvmmsg(r0, &(0x7f0000002d80), 0x400000000000368, 0x1a002, &(0x7f0000000180)={0x77359400}) sendmsg$nl_generic(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000001c0)=ANY=[@ANYBLOB="1100000042000501f80000366ab1001000ed623c087d41ee190705623fff526676c7517f97b252add33be3693e6acc651514fd9a9c7c4b9d5f8e1656e057a8cbb9cd3792f03929ed5379672fd3930e550ac195d46fc2af830c9c2724174c474c486369942660f24a01db522f312fcd01fb1406948e6726091927d526e390790601318ff2157656319d9c20c885828e90dec4cdbf0b6ee89e22af6edd19a0de01de22859215d8c0a5937736a9553018ad970990e40eb1b1d86c05143f8b9415f4b3d3fbee5ca991a04cdadf254be7a8554ca449e9ed4dc937ab826e72ed0abc9a19df0000000000a1643319e2887ef99398"], 0x14}}, 0x0) [ 120.968569][ T38] audit: type=1800 audit(1575109127.745:52): pid=7919 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed(directio) comm="syz-executor.1" name="file0" dev="sda1" ino=16546 res=0 10:18:47 executing program 1: r0 = open(&(0x7f00000000c0)='./file0\x00', 0x40c2, 0x0) fallocate(r0, 0x11, 0x0, 0xffffffff000) [ 239.858471][ T1114] INFO: task syz-executor.0:7904 blocked for more than 144 seconds. [ 239.866732][ T1114] Not tainted 5.4.0-syzkaller #0 [ 239.873358][ T1114] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 239.883290][ T1114] syz-executor.0 D28144 7904 7881 0x00004004 [ 239.889786][ T1114] Call Trace: [ 239.893348][ T1114] __schedule+0x8e1/0x1f30 [ 239.897922][ T1114] ? __sched_text_start+0x8/0x8 [ 239.903013][ T1114] ? lock_downgrade+0x920/0x920 [ 239.908075][ T1114] ? rwlock_bug.part.0+0x90/0x90 [ 239.913080][ T1114] schedule+0xdc/0x2b0 [ 239.917631][ T1114] schedule_preempt_disabled+0x13/0x20 [ 239.924300][ T1114] __mutex_lock+0x7ab/0x13c0 [ 239.929243][ T1114] ? perf_event_ctx_lock_nested+0x296/0x4c0 [ 239.935375][ T1114] ? mutex_trylock+0x2f0/0x2f0 [ 239.940429][ T1114] ? find_held_lock+0x35/0x130 [ 239.945376][ T1114] ? perf_event_ctx_lock_nested+0x262/0x4c0 [ 239.951452][ T1114] ? lock_downgrade+0x920/0x920 [ 239.956321][ T1114] mutex_lock_nested+0x16/0x20 [ 239.961405][ T1114] ? mutex_lock_nested+0x16/0x20 [ 239.966513][ T1114] perf_event_ctx_lock_nested+0x296/0x4c0 [ 239.972346][ T1114] ? __perf_event_read+0xe10/0xe10 [ 239.977426][ T1114] perf_event_release_kernel+0x121/0xef0 [ 239.983301][ T1114] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 239.990125][ T1114] ? __perf_event_exit_context+0x170/0x170 [ 239.996048][ T1114] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 240.002414][ T1114] perf_release+0x37/0x50 [ 240.006897][ T1114] __fput+0x2ff/0x890 [ 240.011102][ T1114] ? perf_event_release_kernel+0xef0/0xef0 [ 240.016874][ T1114] ____fput+0x16/0x20 [ 240.021025][ T1114] task_work_run+0x145/0x1c0 [ 240.025388][ T1114] exit_to_usermode_loop+0x316/0x380 [ 240.030876][ T1114] do_syscall_64+0x676/0x790 [ 240.035382][ T1114] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 240.041663][ T1114] RIP: 0033:0x413d81 [ 240.045660][ T1114] Code: 31 44 00 ff d3 85 c0 75 da b9 a0 98 65 00 31 d2 be 53 25 44 00 bf d2 3c 44 00 ff 15 b1 5a 24 00 eb c1 90 90 90 90 90 90 90 c7 <07> 01 00 00 00 31 c0 c3 0f 1f 80 00 00 00 00 c7 07 00 00 00 00 31 [ 240.065424][ T1114] RSP: 002b:00007ffce21a2db0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 240.074032][ T1114] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000413d81 [ 240.082188][ T1114] RDX: 0000001b30420000 RSI: 0000000000000c65 RDI: 0000000000000003 [ 240.090426][ T1114] RBP: 000000000071c980 R08: 00000000e1114c65 R09: 00000000e1114c69 [ 240.099002][ T1114] R10: 00007ffce21a2ee0 R11: 0000000000000293 R12: 0000000000000001 [ 240.106761][ T1114] R13: 000000000071c980 R14: 0000000000723078 R15: 00007ffce21a2ec0 [ 240.114707][ T1114] [ 240.114707][ T1114] Showing all locks held in the system: [ 240.123443][ T1114] 1 lock held by khungtaskd/1114: [ 240.128609][ T1114] #0: ffffffff895a4080 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x279 [ 240.137888][ T1114] 1 lock held by rsyslogd/7703: [ 240.142760][ T1114] 2 locks held by getty/7827: [ 240.148129][ T1114] #0: ffff8880221a4090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 240.157031][ T1114] #1: ffffc900026ee2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 240.166767][ T1114] 2 locks held by getty/7828: [ 240.171569][ T1114] #0: ffff888027706090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 240.180641][ T1114] #1: ffffc900040062e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 240.190164][ T1114] 2 locks held by getty/7829: [ 240.194652][ T1114] #0: ffff88802a0f4090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 240.203749][ T1114] #1: ffffc9000400a2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 240.213793][ T1114] 2 locks held by getty/7830: [ 240.218708][ T1114] #0: ffff88802359d090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 240.227679][ T1114] #1: ffffc900026fe2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 240.237445][ T1114] 2 locks held by getty/7831: [ 240.242232][ T1114] #0: ffff8880220a6090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 240.251261][ T1114] #1: ffffc900026e62e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 240.261064][ T1114] 2 locks held by getty/7832: [ 240.265555][ T1114] #0: ffff888025424090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 240.274472][ T1114] #1: ffffc900040022e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 240.284573][ T1114] 2 locks held by getty/7833: [ 240.290329][ T1114] #0: ffff88802ba67090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 240.299803][ T1114] #1: ffffc900026da2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1c10 [ 240.309497][ T1114] 1 lock held by syz-executor.0/7904: [ 240.314664][ T1114] #0: ffff8880229674a0 (&ctx->mutex){+.+.}, at: perf_event_ctx_lock_nested+0x296/0x4c0 [ 240.324976][ T1114] 6 locks held by syz-executor.0/7906: [ 240.330986][ T1114] [ 240.333245][ T1114] ============================================= [ 240.333245][ T1114] [ 240.342732][ T1114] NMI backtrace for cpu 2 [ 240.346833][ T1114] CPU: 2 PID: 1114 Comm: khungtaskd Not tainted 5.4.0-syzkaller #0 [ 240.352349][ T1114] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 240.352349][ T1114] Call Trace: [ 240.352349][ T1114] dump_stack+0x197/0x210 [ 240.352349][ T1114] nmi_cpu_backtrace.cold+0x70/0xb2 [ 240.352349][ T1114] ? vprintk_func+0x86/0x189 [ 240.352349][ T1114] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 240.352349][ T1114] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 240.352349][ T1114] arch_trigger_cpumask_backtrace+0x14/0x20 [ 240.352349][ T1114] watchdog+0xb11/0x10c0 [ 240.352349][ T1114] kthread+0x361/0x430 [ 240.352349][ T1114] ? reset_hung_task_detector+0x30/0x30 [ 240.352349][ T1114] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 240.352349][ T1114] ret_from_fork+0x24/0x30 [ 240.428951][ T1114] Sending NMI from CPU 2 to CPUs 0-1,3: [ 240.434913][ C0] NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xe/0x10 [ 240.434967][ C3] NMI backtrace for cpu 3 skipped: idling at native_safe_halt+0xe/0x10 [ 240.435744][ T1114] NMI backtrace for cpu 1 [ 240.435748][ T1114] CPU: 1 PID: 7906 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 240.435783][ T1114] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 240.435786][ T1114] RIP: 0010:__kmalloc_node_track_caller+0x0/0x70 [ 240.435795][ T1114] Code: 89 ef 44 89 45 b0 e8 af b3 ff ff 44 8b 45 b0 48 85 c0 49 89 c6 0f 85 b5 fe ff ff e9 26 ff ff ff 0f 0b 0f 1f 84 00 00 00 00 00 <55> 48 81 ff 00 00 40 00 48 89 e5 41 57 41 56 41 55 41 54 77 49 49 [ 240.435798][ T1114] RSP: 0018:ffff88802d309278 EFLAGS: 00000246 [ 240.435803][ T1114] RAX: ffff8880718c8180 RBX: ffff88802d3092f8 RCX: ffffffff8603f87b [ 240.435806][ T1114] RDX: 00000000ffffffff RSI: 0000000000082a20 RDI: 00000000000001c0 [ 240.435810][ T1114] RBP: ffff88802d3092b0 R08: 0000000000000000 R09: ffffed1005a67045 [ 240.435813][ T1114] R10: ffffed1005a67044 R11: ffff88802d338223 R12: 0000000000000a20 [ 240.435817][ T1114] R13: 00000000000001c0 R14: 00000000ffffffff R15: 0000000000000000 [ 240.435821][ T1114] FS: 00007fbcddbfe700(0000) GS:ffff88802d300000(0000) knlGS:0000000000000000 [ 240.435823][ T1114] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 240.435827][ T1114] CR2: 00000000006f82f8 CR3: 00000000255d6000 CR4: 00000000003406e0 [ 240.435830][ T1114] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 240.435834][ T1114] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 240.435835][ T1114] Call Trace: [ 240.435837][ T1114] [ 240.435839][ T1114] ? __kmalloc_reserve.isra.0+0x40/0xf0 [ 240.435842][ T1114] __alloc_skb+0x10b/0x5e0 [ 240.435844][ T1114] ? __kmalloc_reserve.isra.0+0xf0/0xf0 [ 240.435846][ T1114] __pskb_copy_fclone+0x117/0xd70 [ 240.435849][ T1114] ? hsr_netdev_notify.cold+0x40/0x40 [ 240.435851][ T1114] hsr_forward_skb+0x889/0x1d30 [ 240.435853][ T1114] hsr_dev_xmit+0x72/0xa0 [ 240.435856][ T1114] ? __this_cpu_preempt_check+0x35/0x190 [ 240.435858][ T1114] dev_hard_start_xmit+0x1a3/0x9b0 [ 240.435861][ T1114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.435863][ T1114] __dev_queue_xmit+0x2b05/0x35c0 [ 240.435866][ T1114] ? __kasan_check_read+0x11/0x20 [ 240.435868][ T1114] ? __lock_acquire+0x16f2/0x4a00 [ 240.435871][ T1114] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 240.435873][ T1114] ? ip6_finish_output2+0x109a/0x25c0 [ 240.435875][ T1114] ? __kasan_check_read+0x11/0x20 [ 240.435877][ T1114] ? mark_lock+0xc2/0x1220 [ 240.435880][ T1114] ? mark_held_locks+0xa4/0xf0 [ 240.435882][ T1114] dev_queue_xmit+0x18/0x20 [ 240.435884][ T1114] ? dev_queue_xmit+0x18/0x20 [ 240.435886][ T1114] neigh_connected_output+0x3fc/0x5f0 [ 240.435889][ T1114] ip6_finish_output2+0x109a/0x25c0 [ 240.435891][ T1114] ? ip6_mtu+0x2e6/0x450 [ 240.435893][ T1114] ? ip6_frag_next+0xb20/0xb20 [ 240.435895][ T1114] ? lock_downgrade+0x920/0x920 [ 240.435898][ T1114] ? rcu_read_lock_held+0x9c/0xb0 [ 240.435900][ T1114] ? __kasan_check_read+0x11/0x20 [ 240.435902][ T1114] __ip6_finish_output+0x444/0xaa0 [ 240.435905][ T1114] ? __ip6_finish_output+0x444/0xaa0 [ 240.435907][ T1114] ip6_finish_output+0x38/0x1f0 [ 240.435909][ T1114] ip6_output+0x25e/0x880 [ 240.435912][ T1114] ? ip6_finish_output+0x1f0/0x1f0 [ 240.435914][ T1114] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 240.435917][ T1114] ? __ip6_finish_output+0xaa0/0xaa0 [ 240.435919][ T1114] ? rcu_read_lock_held_common+0x130/0x130 [ 240.435922][ T1114] ndisc_send_skb+0xf1f/0x1490 [ 240.435924][ T1114] ? nf_hook.constprop.0+0x560/0x560 [ 240.435926][ T1114] ? memcpy+0x46/0x50 [ 240.435929][ T1114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.435931][ T1114] ndisc_send_rs+0x134/0x720 [ 240.435934][ T1114] addrconf_rs_timer+0x30f/0x6e0 [ 240.435936][ T1114] ? ipv6_get_lladdr+0x490/0x490 [ 240.435939][ T1114] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 240.435941][ T1114] call_timer_fn+0x1ac/0x780 [ 240.435943][ T1114] ? ipv6_get_lladdr+0x490/0x490 [ 240.435946][ T1114] ? msleep_interruptible+0x150/0x150 [ 240.435948][ T1114] ? run_timer_softirq+0x6b1/0x1790 [ 240.435951][ T1114] ? trace_hardirqs_on+0x67/0x240 [ 240.435953][ T1114] ? ipv6_get_lladdr+0x490/0x490 [ 240.435955][ T1114] ? ipv6_get_lladdr+0x490/0x490 [ 240.435958][ T1114] run_timer_softirq+0x6c3/0x1790 [ 240.435960][ T1114] ? add_timer+0x930/0x930 [ 240.435963][ T1114] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 240.435965][ T1114] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 240.435968][ T1114] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 240.435970][ T1114] __do_softirq+0x262/0x98c [ 240.435972][ T1114] ? sched_clock_cpu+0x14e/0x1b0 [ 240.435974][ T1114] irq_exit+0x19b/0x1e0 [ 240.435977][ T1114] smp_apic_timer_interrupt+0x1a3/0x610 [ 240.435979][ T1114] apic_timer_interrupt+0xf/0x20 [ 240.435981][ T1114] [ 240.435984][ T1114] RIP: 0010:_raw_spin_unlock_irq+0x4f/0x80 [ 240.435991][ T1114] Code: c0 68 34 53 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 33 48 83 3d 12 2a 99 01 00 74 20 fb 66 0f 1f 44 00 00 01 00 00 00 e8 e7 6b 96 f9 65 8b 05 18 14 48 78 85 c0 74 06 41 [ 240.435994][ T1114] RSP: 0018:ffff8880718d78d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 240.436000][ T1114] RAX: 1ffffffff12a668d RBX: ffff8880718c8180 RCX: 0000000000000006 [ 240.436003][ T1114] RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffff8880718c8a14 [ 240.436007][ T1114] RBP: ffff8880718d78e0 R08: 1ffffffff15d29b8 R09: fffffbfff15d29b9 [ 240.436010][ T1114] R10: fffffbfff15d29b8 R11: ffffffff8ae94dc7 R12: ffff88802d337380 [ 240.436013][ T1114] R13: ffff88802c4b8380 R14: ffff88802a68b900 R15: 0000000000000000 [ 240.436016][ T1114] ? _raw_spin_unlock_irq+0x23/0x80 [ 240.436018][ T1114] finish_task_switch+0x147/0x750 [ 240.436021][ T1114] ? finish_task_switch+0x119/0x750 [ 240.436023][ T1114] __schedule+0x8e9/0x1f30 [ 240.436025][ T1114] ? __sched_text_start+0x8/0x8 [ 240.436027][ T1114] ? finish_task_switch+0x1dc/0x750 [ 240.436030][ T1114] ? preempt_schedule+0x4b/0x60 [ 240.436032][ T1114] preempt_schedule_common+0x4f/0xe0 [ 240.436035][ T1114] ? __perf_event_enable+0x930/0x930 [ 240.436037][ T1114] preempt_schedule+0x4b/0x60 [ 240.436039][ T1114] ___preempt_schedule+0x16/0x18 [ 240.436042][ T1114] ? smp_call_function_single+0x40b/0x480 [ 240.436044][ T1114] smp_call_function_single+0x410/0x480 [ 240.436047][ T1114] ? perf_duration_warn+0x40/0x40 [ 240.436049][ T1114] ? generic_exec_single+0x4c0/0x4c0 [ 240.436052][ T1114] ? __do_sys_perf_event_open+0x174c/0x2c70 [ 240.436054][ T1114] ? __perf_event_enable+0x930/0x930 [ 240.436056][ T1114] task_function_call+0xe9/0x180 [ 240.436059][ T1114] ? perf_event_addr_filters_exec+0x310/0x310 [ 240.436062][ T1114] ? __do_sys_perf_event_open+0x174c/0x2c70 [ 240.436064][ T1114] ? __perf_event_enable+0x930/0x930 [ 240.436067][ T1114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 240.436070][ T1114] ? exclusive_event_installable+0x257/0x320 [ 240.436072][ T1114] perf_install_in_context+0x308/0x5a0 [ 240.436074][ T1114] ? list_add_event+0xed0/0xed0 [ 240.436077][ T1114] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.436080][ T1114] ? __perf_event_header_size.isra.0+0x166/0x1c0 [ 240.436083][ T1114] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.436085][ T1114] __do_sys_perf_event_open+0x1cbc/0x2c70 [ 240.436088][ T1114] ? perf_event_set_output+0x4e0/0x4e0 [ 240.436091][ T1114] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 240.436093][ T1114] ? put_timespec64+0xda/0x140 [ 240.436095][ T1114] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 240.436098][ T1114] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 240.436100][ T1114] ? do_syscall_64+0x26/0x790 [ 240.436103][ T1114] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 240.436105][ T1114] ? do_syscall_64+0x26/0x790 [ 240.436108][ T1114] __x64_sys_perf_event_open+0xbe/0x150 [ 240.436110][ T1114] do_syscall_64+0xfa/0x790 [ 240.436113][ T1114] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 240.436115][ T1114] RIP: 0033:0x45a759 [ 240.436122][ T1114] Code: bd b1 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 8b b1 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 240.436125][ T1114] RSP: 002b:00007fbcddbfdc88 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 240.436131][ T1114] RAX: ffffffffffffffda RBX: 000000000071bf00 RCX: 000000000045a759 [ 240.436134][ T1114] RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000280 [ 240.436138][ T1114] RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000 [ 240.436141][ T1114] R10: ffffffffffffffff R11: 0000000000000246 R12: 00007fbcddbfe6d4 [ 240.436145][ T1114] R13: 00000000004aec2b R14: 00000000006f1ca8 R15: 00000000ffffffff [ 240.436615][ T1114] Kernel panic - not syncing: hung_task: blocked tasks [ 240.438813][ T1114] CPU: 2 PID: 1114 Comm: khungtaskd Not tainted 5.4.0-syzkaller #0 [ 240.438813][ T1114] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 [ 240.438813][ T1114] Call Trace: [ 240.438813][ T1114] dump_stack+0x197/0x210 [ 240.438813][ T1114] panic+0x2e3/0x75c [ 240.438813][ T1114] ? add_taint.cold+0x16/0x16 [ 240.438813][ T1114] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 240.438813][ T1114] ? ___preempt_schedule+0x16/0x18 [ 240.438813][ T1114] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 240.438813][ T1114] ? nmi_trigger_cpumask_backtrace+0x24c/0x28b [ 240.438813][ T1114] ? nmi_trigger_cpumask_backtrace+0x256/0x28b [ 240.438813][ T1114] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 240.438813][ T1114] watchdog+0xb22/0x10c0 [ 240.438813][ T1114] kthread+0x361/0x430 [ 240.438813][ T1114] ? reset_hung_task_detector+0x30/0x30 [ 240.438813][ T1114] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 240.438813][ T1114] ret_from_fork+0x24/0x30 [ 240.438813][ T1114] Kernel Offset: disabled [ 240.438813][ T1114] Rebooting in 86400 seconds..