[ 26.304291][ T25] audit: type=1400 audit(1575736841.574:37): avc: denied { watch } for pid=6996 comm="restorecond" path="/root/.ssh" dev="sda1" ino=16179 scontext=system_u:system_r:kernel_t:s0 tcontext=unconfined_u:object_r:ssh_home_t:s0 tclass=dir permissive=1 [....] Starting OpenBSD Secure Shell server: ssh[ 26.332415][ T25] audit: type=1400 audit(1575736841.594:38): avc: denied { watch } for pid=6996 comm="restorecond" path="/etc/selinux/restorecond.conf" dev="sda1" ino=2232 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 d[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [ 26.403792][ T25] audit: type=1800 audit(1575736841.674:39): pid=6909 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 26.426507][ T25] audit: type=1800 audit(1575736841.674:40): pid=6909 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 27.634220][ T25] audit: type=1400 audit(1575736842.904:41): avc: denied { map } for pid=7079 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 '10.128.0.176' (ECDSA) to the list of known hosts. 2019/12/07 16:49:41 parsed 1 programs [ 566.439213][ T25] audit: type=1400 audit(1575737381.704:42): avc: denied { map } for pid=7095 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 568.139092][ T25] audit: type=1400 audit(1575737383.404:43): avc: denied { map } for pid=7095 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=16711 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 [ 568.168130][ T3799] kmemleak: Automatic memory scanning thread ended 2019/12/07 16:49:50 executed programs: 0 [ 575.407147][ T7110] IPVS: ftp: loaded support on port[0] = 21 [ 575.428047][ T7110] chnl_net:caif_netlink_parms(): no params data found [ 575.439964][ T7110] bridge0: port 1(bridge_slave_0) entered blocking state [ 575.447529][ T7110] bridge0: port 1(bridge_slave_0) entered disabled state [ 575.454961][ T7110] device bridge_slave_0 entered promiscuous mode [ 575.461760][ T7110] bridge0: port 2(bridge_slave_1) entered blocking state [ 575.469485][ T7110] bridge0: port 2(bridge_slave_1) entered disabled state [ 575.477092][ T7110] device bridge_slave_1 entered promiscuous mode [ 575.486833][ T7110] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 575.496685][ T7110] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 575.508252][ T7110] team0: Port device team_slave_0 added [ 575.514326][ T7110] team0: Port device team_slave_1 added [ 575.542890][ T7110] device hsr_slave_0 entered promiscuous mode [ 575.582160][ T7110] device hsr_slave_1 entered promiscuous mode [ 575.637976][ T25] audit: type=1400 audit(1575737390.904:44): avc: denied { create } for pid=7110 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 [ 575.637981][ T7110] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 575.669569][ T25] audit: type=1400 audit(1575737390.904:45): avc: denied { write } for pid=7110 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 [ 575.694356][ T25] audit: type=1400 audit(1575737390.904:46): avc: denied { read } for pid=7110 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 [ 575.703352][ T7110] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 575.752883][ T7110] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 575.792872][ T7110] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 575.864531][ T7110] bridge0: port 2(bridge_slave_1) entered blocking state [ 575.871733][ T7110] bridge0: port 2(bridge_slave_1) entered forwarding state [ 575.879020][ T7110] bridge0: port 1(bridge_slave_0) entered blocking state [ 575.886111][ T7110] bridge0: port 1(bridge_slave_0) entered forwarding state [ 575.900593][ T7110] 8021q: adding VLAN 0 to HW filter on device bond0 [ 575.908855][ T7112] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 575.926771][ T7112] bridge0: port 1(bridge_slave_0) entered disabled state [ 575.944385][ T7112] bridge0: port 2(bridge_slave_1) entered disabled state [ 575.951785][ T7112] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 575.960484][ T7110] 8021q: adding VLAN 0 to HW filter on device team0 [ 575.978743][ T46] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 575.987315][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 575.994463][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 576.006223][ T7110] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 576.017023][ T7110] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 576.028081][ T7112] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 576.036653][ T7112] bridge0: port 2(bridge_slave_1) entered blocking state [ 576.043787][ T7112] bridge0: port 2(bridge_slave_1) entered forwarding state [ 576.051748][ T7112] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 576.059895][ T7112] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 576.067910][ T7112] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 576.075871][ T7112] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 576.083903][ T7112] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 576.091333][ T7112] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 576.101874][ T7110] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 576.109993][ T25] audit: type=1400 audit(1575737391.374:47): avc: denied { associate } for pid=7110 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 [ 576.111865][ T7112] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 576.142708][ T7112] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 576.179633][ T7118] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 576.179633][ T7118] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:49:56 executed programs: 1 [ 581.380774][ T7122] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 581.380774][ T7122] program syz-executor.0 not setting count and/or reply_len properly [ 581.403841][ T7123] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 581.403841][ T7123] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:50:02 executed programs: 3 [ 587.588847][ T7127] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 587.588847][ T7127] program syz-executor.0 not setting count and/or reply_len properly [ 587.612135][ T7128] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 587.612135][ T7128] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:50:08 executed programs: 5 [ 592.798196][ T7133] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 592.798196][ T7133] program syz-executor.0 not setting count and/or reply_len properly [ 592.820139][ T7134] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 592.820139][ T7134] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:50:14 executed programs: 7 [ 598.899705][ T7138] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 598.899705][ T7138] program syz-executor.0 not setting count and/or reply_len properly [ 598.921537][ T7139] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 598.921537][ T7139] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:50:19 executed programs: 9 [ 604.167595][ T7144] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 604.167595][ T7144] program syz-executor.0 not setting count and/or reply_len properly [ 604.190552][ T7145] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 604.190552][ T7145] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:50:25 executed programs: 11 [ 610.275869][ T7149] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 610.275869][ T7149] program syz-executor.0 not setting count and/or reply_len properly [ 610.299178][ T7150] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 610.299178][ T7150] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:50:31 executed programs: 13 [ 615.766021][ T7154] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 615.766021][ T7154] program syz-executor.0 not setting count and/or reply_len properly [ 615.789277][ T7155] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 615.789277][ T7155] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:50:36 executed programs: 15 [ 620.904269][ T7159] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 620.904269][ T7159] program syz-executor.0 not setting count and/or reply_len properly [ 620.926088][ T7160] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 620.926088][ T7160] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:50:41 executed programs: 17 [ 626.388740][ T7164] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 626.388740][ T7164] program syz-executor.0 not setting count and/or reply_len properly [ 626.412718][ T7165] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 626.412718][ T7165] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:50:47 executed programs: 19 [ 632.477886][ T7169] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 632.477886][ T7169] program syz-executor.0 not setting count and/or reply_len properly [ 632.501222][ T7170] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 632.501222][ T7170] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:50:54 executed programs: 21 [ 638.796673][ T7174] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 638.796673][ T7174] program syz-executor.0 not setting count and/or reply_len properly [ 638.820200][ T7175] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 638.820200][ T7175] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:50:59 executed programs: 23 [ 644.130259][ T7179] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 644.130259][ T7179] program syz-executor.0 not setting count and/or reply_len properly [ 644.152367][ T7180] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 644.152367][ T7180] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:51:05 executed programs: 25 [ 650.238074][ T7184] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 650.238074][ T7184] program syz-executor.0 not setting count and/or reply_len properly [ 650.261776][ T7185] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 650.261776][ T7185] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:51:11 executed programs: 27 [ 655.773820][ T7189] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 655.773820][ T7189] program syz-executor.0 not setting count and/or reply_len properly [ 655.797542][ T7190] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 655.797542][ T7190] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:51:16 executed programs: 29 [ 661.145456][ T7194] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 661.145456][ T7194] program syz-executor.0 not setting count and/or reply_len properly [ 661.167357][ T7195] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 661.167357][ T7195] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:51:22 executed programs: 31 [ 667.567941][ T7199] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 667.567941][ T7199] program syz-executor.0 not setting count and/or reply_len properly [ 667.593547][ T7200] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 667.593547][ T7200] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:51:28 executed programs: 33 [ 672.760451][ T7204] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 672.760451][ T7204] program syz-executor.0 not setting count and/or reply_len properly [ 672.782577][ T7205] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 672.782577][ T7205] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:51:33 executed programs: 35 [ 678.046244][ T7209] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 678.046244][ T7209] program syz-executor.0 not setting count and/or reply_len properly [ 678.070180][ T7210] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 678.070180][ T7210] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:51:38 executed programs: 37 [ 683.463849][ T7214] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 683.463849][ T7214] program syz-executor.0 not setting count and/or reply_len properly [ 683.488224][ T7215] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 683.488224][ T7215] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:51:44 executed programs: 39 [ 688.779982][ T7219] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 688.779982][ T7219] program syz-executor.0 not setting count and/or reply_len properly [ 688.802911][ T7220] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 688.802911][ T7220] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:51:50 executed programs: 41 [ 694.859912][ T7224] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 694.859912][ T7224] program syz-executor.0 not setting count and/or reply_len properly [ 694.882682][ T7225] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 694.882682][ T7225] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:51:56 executed programs: 43 [ 700.966281][ T7229] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 700.966281][ T7229] program syz-executor.0 not setting count and/or reply_len properly [ 700.989875][ T7230] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 700.989875][ T7230] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:52:02 executed programs: 45 [ 707.330927][ T7234] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 707.330927][ T7234] program syz-executor.0 not setting count and/or reply_len properly [ 707.358859][ T7235] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 707.358859][ T7235] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:52:07 executed programs: 47 [ 712.607564][ T7239] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 712.607564][ T7239] program syz-executor.0 not setting count and/or reply_len properly [ 712.631287][ T7240] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 712.631287][ T7240] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:52:14 executed programs: 49 [ 718.833583][ T7244] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 718.833583][ T7244] program syz-executor.0 not setting count and/or reply_len properly [ 718.862101][ T7245] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 718.862101][ T7245] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:52:19 executed programs: 51 [ 724.445187][ T7249] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 724.445187][ T7249] program syz-executor.0 not setting count and/or reply_len properly [ 724.469935][ T7250] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 724.469935][ T7250] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:52:25 executed programs: 53 [ 729.797356][ T7254] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 729.797356][ T7254] program syz-executor.0 not setting count and/or reply_len properly [ 729.821002][ T7255] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 729.821002][ T7255] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:52:30 executed programs: 55 [ 735.049357][ T7259] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 735.049357][ T7259] program syz-executor.0 not setting count and/or reply_len properly [ 735.075099][ T7260] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 735.075099][ T7260] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:52:35 executed programs: 57 [ 740.551203][ T7264] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 740.551203][ T7264] program syz-executor.0 not setting count and/or reply_len properly [ 740.575198][ T7265] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 740.575198][ T7265] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:52:41 executed programs: 59 [ 745.869388][ T7269] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 745.869388][ T7269] program syz-executor.0 not setting count and/or reply_len properly [ 745.892043][ T7270] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 745.892043][ T7270] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:52:47 executed programs: 61 [ 751.974545][ T7274] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 751.974545][ T7274] program syz-executor.0 not setting count and/or reply_len properly [ 751.997229][ T7275] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 751.997229][ T7275] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:52:53 executed programs: 63 [ 758.038832][ T7279] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 758.038832][ T7279] program syz-executor.0 not setting count and/or reply_len properly [ 758.063784][ T7280] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 758.063784][ T7280] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:52:59 executed programs: 65 [ 764.111982][ T7284] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 764.111982][ T7284] program syz-executor.0 not setting count and/or reply_len properly [ 764.135745][ T7285] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 764.135745][ T7285] program syz-executor.0 not setting count and/or reply_len properly 2019/12/07 16:53:04 executed programs: 67 [ 769.694697][ T7289] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 769.694697][ T7289] program syz-executor.0 not setting count and/or reply_len properly [ 769.718957][ T7290] sg_write: data in/out 327769/1 bytes for SCSI command 0x0-- guessing data in; [ 769.718957][ T7290] program syz-executor.0 not setting count and/or reply_len properly [ 774.934611][ T7292] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888119fbc800 (size 2048): comm "syz-executor.0", pid 7118, jiffies 4294994879 (age 200.850s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 20 00 00 00 00 01 00 00 00 00 00 00 01 00 00 00 ............... backtrace: [<0000000057137779>] __kmalloc+0x169/0x300 [<00000000bfed0b3e>] bio_alloc_bioset+0x1b5/0x2c0 [<000000008be9ab1b>] bio_copy_user_iov+0x121/0x4d0 [<000000006fca2552>] blk_rq_map_user_iov+0xc6/0x2b0 [<00000000fe31bde5>] blk_rq_map_user+0x71/0xb0 [<000000002ce440e2>] sg_common_write.isra.0+0x6c9/0xaf0 [<00000000d0cb3340>] sg_write.part.0+0x2dc/0x520 [<00000000f17ab7ce>] sg_write+0x44/0x64 [<00000000fd239a91>] __vfs_write+0x43/0xa0 [<00000000f7e81dbe>] vfs_write+0xee/0x210 [<0000000082bc3f5d>] ksys_write+0x7c/0x130 [<0000000002c1c669>] __x64_sys_write+0x1e/0x30 [<00000000df26ac02>] do_syscall_64+0x73/0x220 [<0000000098da2466>] entry_SYSCALL_64_after_hwframe+0x44/0xa9