[ 21.383763][ T177] device bridge_slave_1 left promiscuous mode [ 21.390090][ T177] bridge0: port 2(bridge_slave_1) entered disabled state [ 21.397876][ T177] device bridge_slave_0 left promiscuous mode [ 21.404204][ T177] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.876659][ T24] kauditd_printk_skb: 64 callbacks suppressed [ 31.876668][ T24] audit: type=1400 audit(1663975351.090:147): avc: denied { read } for pid=142 comm="syslogd" name="log" dev="sda1" ino=1125 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 31.962712][ T387] !!!ext4_initxattrs set hndl name selinux [ 31.968870][ T387] In ext4_xattr_set_entry s ffffc90000b87360, last = ffff88811ddaa2a4, name len 1ddaa2a4 [ 33.434024][ T393] !!!ext4_initxattrs set hndl name selinux [ 33.440077][ T393] In ext4_xattr_set_entry s ffffc90000b87360, last = ffff88811ddaa3a4, name len 1ddaa3a4 Warning: Permanently added '10.128.1.87' (ECDSA) to the list of known hosts. 2022/09/23 23:22:38 ignoring optional flag "sandboxArg"="0" 2022/09/23 23:22:38 parsed 1 programs 2022/09/23 23:22:38 executed programs: 0 [ 38.981243][ T24] audit: type=1400 audit(1663975358.190:148): avc: denied { mounton } for pid=401 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 38.983923][ T396] !!! ext4_mkdir syzkaller-testdir903545798 [ 39.006517][ T24] audit: type=1400 audit(1663975358.190:149): avc: denied { mount } for pid=401 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 39.013333][ T396] !!!ext4_initxattrs set hndl name selinux [ 39.042007][ T396] In ext4_xattr_set_entry s ffffc900009ef7a0, last = ffff88811ddaa4a4, name len 1ddaa4a4 [ 39.052395][ T396] !!! ext4_mkdir ret 0 [ 39.064923][ T405] !!! ext4_mkdir syzkaller.ExAZWQ [ 39.070819][ T405] !!!ext4_initxattrs set hndl name selinux [ 39.076864][ T405] In ext4_xattr_set_entry s ffffc90000be77c0, last = ffff88811ddaa5a4, name len 1ddaa5a4 [ 39.087113][ T405] !!! ext4_mkdir ret 0 [ 39.091977][ T24] audit: type=1400 audit(1663975358.300:150): avc: denied { mounton } for pid=406 comm="syz-executor.0" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 39.116124][ T24] audit: type=1400 audit(1663975358.300:151): avc: denied { module_request } for pid=406 comm="syz-executor.0" kmod="netdev-nr0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 39.124258][ T406] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.145621][ T406] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.153722][ T406] device bridge_slave_0 entered promiscuous mode [ 39.160504][ T406] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.167726][ T406] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.175140][ T406] device bridge_slave_1 entered promiscuous mode [ 39.199243][ T406] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.206309][ T406] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.213901][ T406] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.221135][ T406] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.235883][ T382] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.243461][ T382] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.250986][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.258577][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 39.274103][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 39.282207][ T382] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.289443][ T382] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.297290][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 39.305989][ T382] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.313040][ T382] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.320484][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 39.328635][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 39.337203][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 39.347250][ T37] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 39.358855][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 39.371235][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 39.381217][ T382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 39.394374][ T24] audit: type=1400 audit(1663975358.610:152): avc: denied { mount } for pid=406 comm="syz-executor.0" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 39.395529][ T406] !!! ext4_mkdir 0 [ 39.421944][ T406] !!!ext4_initxattrs set hndl name selinux [ 39.428198][ T406] In ext4_xattr_set_entry s ffffc90000bf77a0, last = ffff88811ddaa6a4, name len 1ddaa6a4 [ 39.438474][ T406] !!! ext4_mkdir ret 0 [ 39.445877][ T410] !!!ext4_initxattrs set hndl name selinux [ 39.451833][ T410] In ext4_xattr_set_entry s ffffc90000c77780, last = ffff88811ddaa7a4, name len 1ddaa7a4 [ 39.462113][ T410] !!!ext4_initxattrs set hndl name selinux [ 39.468272][ T410] In ext4_xattr_set_entry s ffffc90000c77780, last = ffff88811ddaa8a4, name len 1ddaa8a4 [ 39.478330][ T410] !!!ext4_initxattrs set hndl name selinux [ 39.484581][ T410] In ext4_xattr_set_entry s ffffc90000c77780, last = ffff88811ddaa9a4, name len 1ddaa9a4 [ 39.495287][ T410] !!!ext4_initxattrs set hndl name selinux [ 39.502076][ T410] In ext4_xattr_set_entry s ffffc90000c77780, last = ffff88811ddaaaa4, name len 1ddaaaa4 [ 39.512770][ T412] !!! ext4_mkdir file0 [ 39.517122][ T412] !!!ext4_initxattrs set hndl name selinux [ 39.523134][ T412] In ext4_xattr_set_entry s ffffc90000ce77a0, last = ffff88811ddaaba4, name len 1ddaaba4 [ 39.533621][ T412] !!! ext4_mkdir ret 0 [ 39.538318][ T24] audit: type=1400 audit(1663975358.750:153): avc: denied { mounton } for pid=410 comm="syz-executor.0" path="/root/syzkaller-testdir903545798/syzkaller.ExAZWQ/0/file0" dev="sda1" ino=1148 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 39.545223][ T412] EXT4-fs (sda1): re-mounted. Opts: debug_want_extra_isize=0x000000000000007a,,errors=continue [ 39.566045][ T24] audit: type=1400 audit(1663975358.760:154): avc: denied { remount } for pid=410 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 39.578102][ T406] In ext4_xattr_set_entry s ffff88810ca5f380, last = ffff88811ddaa6a4, name len 1ddaa6a4 [ 39.608782][ T406] In next ext4_xattr_set_entry s ffff88811ddaa6a4, name len 24 [ 39.608798][ T406] In ext4_xattr_set_entry s ffffc90000bf7720, last = ffff88810d820020, name len d820020 [ 39.626944][ T406] In ext4_xattr_set_entry s ffff88810ca5f200, last = ffff88811ddaaaa4, name len 1ddaaaa4 [ 39.636980][ T406] In next ext4_xattr_set_entry s ffff88811ddaaaa4, name len 24 [ 39.637008][ T406] In ext4_xattr_set_entry s ffffc90000bf76a0, last = ffff88810d826020, name len d826020 [ 39.654925][ T406] In ext4_xattr_set_entry s ffff88810ca5ff80, last = ffff88811ddaa7a4, name len 1ddaa7a4 [ 39.665299][ T406] In next ext4_xattr_set_entry s ffff88811ddaa7a4, name len 24 [ 39.665320][ T406] In ext4_xattr_set_entry s ffffc90000bf76a0, last = ffff88810d80e020, name len d80e020 [ 39.683340][ T406] In ext4_xattr_set_entry s ffff88810ca2a380, last = ffff88811ddaa9a4, name len 1ddaa9a4 [ 39.693444][ T406] In next ext4_xattr_set_entry s ffff88811ddaa9a4, name len 24 [ 39.693464][ T406] In ext4_xattr_set_entry s ffffc90000bf76a0, last = ffff88810c0f8020, name len c0f8020 [ 39.711431][ T24] audit: type=1400 audit(1663975358.930:155): avc: denied { unmount } for pid=406 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 39.732070][ T406] In ext4_xattr_set_entry s ffff88810ca5f900, last = ffff88811ddaaba4, name len 1ddaaba4 [ 39.742126][ T406] In next ext4_xattr_set_entry s ffff88811ddaaba4, name len 24 [ 39.742165][ T406] In ext4_xattr_set_entry s ffffc90000bf7720, last = ffff88810d882020, name len d882020 [ 39.761659][ T406] In ext4_xattr_set_entry s ffff88810ca5f080, last = ffff88811ddaa8a4, name len 1ddaa8a4 [ 39.771618][ T406] In next ext4_xattr_set_entry s ffff88811ddaa8a4, name len 24 [ 39.771642][ T406] In ext4_xattr_set_entry s ffffc90000bf76a0, last = ffff88810d886020, name len d886020 [ 39.789269][ T406] In ext4_xattr_set_entry s ffff88810ca5fd00, last = ffff88811ddaa5a4, name len 1ddaa5a4 [ 39.799355][ T406] In next ext4_xattr_set_entry s ffff88811ddaa5a4, name len 24 [ 39.799384][ T406] In ext4_xattr_set_entry s ffffc90000bf7740, last = ffff88810d880020, name len d880020 [ 39.800081][ T24] audit: type=1400 audit(1663975359.020:156): avc: denied { append } for pid=142 comm="syslogd" name="messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 39.807322][ T406] !!! ext4_mkdir 1 [ 39.816939][ T24] audit: type=1400 audit(1663975359.020:157): avc: denied { open } for pid=142 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 39.839289][ T406] !!!ext4_initxattrs set hndl name selinux [ 39.871989][ T406] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 39.883837][ T406] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 39.892260][ T406] CPU: 0 PID: 406 Comm: syz-executor.0 Not tainted 5.10.144-syzkaller-987214-g7474313da8d6-dirty #0 [ 39.903951][ T406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 39.914001][ T406] RIP: 0010:ext4_xattr_set_entry+0x983/0x2290 [ 39.920192][ T406] Code: 03 48 89 84 24 c0 00 00 00 42 80 3c 28 00 4c 8d b4 24 00 01 00 00 74 08 4c 89 ff e8 97 85 ba ff 49 8b 1f 48 89 d8 48 c1 e8 03 <42> 8a 04 28 84 c0 0f 85 dd 15 00 00 44 0f b6 03 41 83 c0 13 41 83 [ 39.939903][ T406] RSP: 0018:ffffc90000bf74a0 EFLAGS: 00010246 [ 39.946039][ T406] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff888106b9cf00 [ 39.954414][ T406] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000001c [ 39.962390][ T406] RBP: ffffc90000bf7638 R08: ffffffff81ec6b98 R09: ffffed1021cf3bdb [ 39.970430][ T406] R10: ffffed1021cf3bdb R11: 1ffff11021cf3bda R12: 0000000000000000 [ 39.978418][ T406] R13: dffffc0000000000 R14: ffffc90000bf75a0 R15: ffffc90000bf77a0 [ 39.986383][ T406] FS: 00005555573ff400(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 39.995315][ T406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.001880][ T406] CR2: 0000555557410b78 CR3: 000000011f481000 CR4: 00000000003506b0 [ 40.009833][ T406] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.017784][ T406] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.025818][ T406] Call Trace: [ 40.029118][ T406] ? ext4_xattr_ibody_inline_set+0x380/0x380 [ 40.035101][ T406] ? ext4_reserve_inode_write+0x2d2/0x380 [ 40.040898][ T406] ? __kasan_check_write+0x14/0x20 [ 40.046373][ T406] ext4_xattr_ibody_set+0x7c/0x2a0 [ 40.051618][ T406] ext4_xattr_set_handle+0xc5d/0x15a0 [ 40.057015][ T406] ? ext4_xattr_set_entry+0x2290/0x2290 [ 40.062569][ T406] ? vprintk_default+0x26/0x30 [ 40.067567][ T406] ? panic+0x7d7/0x7d7 [ 40.071755][ T406] ? selinux_inode_free_security+0x200/0x200 [ 40.077816][ T406] ext4_initxattrs+0xcd/0x140 [ 40.082575][ T406] security_inode_init_security+0x26c/0x3c0 [ 40.088615][ T406] ? ext4_init_security+0x40/0x40 [ 40.093624][ T406] ? security_dentry_create_files_as+0xd0/0xd0 [ 40.100026][ T406] ? __ext4_set_acl+0x5f0/0x5f0 [ 40.104945][ T406] ? ext4_has_metadata_csum+0x1f0/0x1f0 [ 40.110823][ T406] ext4_init_security+0x34/0x40 [ 40.115766][ T406] __ext4_new_inode+0x3648/0x4530 [ 40.120942][ T406] ? ext4_mark_inode_used+0xc00/0xc00 [ 40.126298][ T406] ? printk+0xcf/0x10f [ 40.130363][ T406] ? dquot_initialize+0x20/0x20 [ 40.135212][ T406] ? panic+0x72a/0x7d7 [ 40.139259][ T406] ? may_create+0x641/0x8b0 [ 40.143740][ T406] ext4_mkdir+0x456/0xc60 [ 40.148063][ T406] ? ext4_symlink+0xf50/0xf50 [ 40.152737][ T406] ? selinux_inode_mkdir+0x22/0x30 [ 40.157851][ T406] ? security_inode_mkdir+0xf1/0x130 [ 40.163234][ T406] vfs_mkdir+0x435/0x610 [ 40.167461][ T406] do_mkdirat+0x1b6/0x2d0 [ 40.171962][ T406] ? do_mknodat+0x430/0x430 [ 40.176729][ T406] ? debug_smp_processor_id+0x17/0x20 [ 40.182219][ T406] __x64_sys_mkdirat+0x7b/0x90 [ 40.187063][ T406] do_syscall_64+0x34/0x70 [ 40.191692][ T406] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 40.197597][ T406] RIP: 0033:0x7fb76c213387 [ 40.201988][ T406] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 02 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 40.221592][ T406] RSP: 002b:00007ffe681d0038 EFLAGS: 00000202 ORIG_RAX: 0000000000000102 [ 40.230005][ T406] RAX: ffffffffffffffda RBX: 00007ffe681d00c0 RCX: 00007fb76c213387 [ 40.237975][ T406] RDX: 00000000000001ff RSI: 00007ffe681d00c0 RDI: 00000000ffffff9c [ 40.245921][ T406] RBP: 00007ffe681d009c R08: 0000000000000000 R09: 0000000000000003 [ 40.254392][ T406] R10: 00007ffe681cfdd7 R11: 0000000000000202 R12: 0000000000000032 [ 40.262523][ T406] R13: 0000000000009a8e R14: 0000000000000003 R15: 00007ffe681d0100 [ 40.270576][ T406] Modules linked in: [ 40.276929][ T406] ---[ end trace d6ab0deee0f3c23c ]--- [ 40.282682][ T406] RIP: 0010:ext4_xattr_set_entry+0x983/0x2290 [ 40.289214][ T406] Code: 03 48 89 84 24 c0 00 00 00 42 80 3c 28 00 4c 8d b4 24 00 01 00 00 74 08 4c 89 ff e8 97 85 ba ff 49 8b 1f 48 89 d8 48 c1 e8 03 <42> 8a 04 28 84 c0 0f 85 dd 15 00 00 44 0f b6 03 41 83 c0 13 41 83 [ 40.309800][ T406] RSP: 0018:ffffc90000bf74a0 EFLAGS: 00010246 [ 40.316100][ T406] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff888106b9cf00 [ 40.324240][ T406] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000001c [ 40.332239][ T406] RBP: ffffc90000bf7638 R08: ffffffff81ec6b98 R09: ffffed1021cf3bdb [ 40.340361][ T406] R10: ffffed1021cf3bdb R11: 1ffff11021cf3bda R12: 0000000000000000 [ 40.348458][ T406] R13: dffffc0000000000 R14: ffffc90000bf75a0 R15: ffffc90000bf77a0 [ 40.356443][ T406] FS: 00005555573ff400(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 40.365390][ T406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.371961][ T406] CR2: 0000557d22396098 CR3: 000000011f481000 CR4: 00000000003506a0 [ 40.380314][ T406] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.388301][ T406] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 40.396312][ T406] Kernel panic - not syncing: Fatal exception [ 40.402626][ T406] Kernel Offset: disabled [ 40.407011][ T406] Rebooting in 86400 seconds..