syzkaller syzkaller login: [ 12.415318][ T28] audit: type=1400 audit(1771916092.204:59): avc: denied { transition } for pid=224 comm="sshd-session" path="/bin/sh" dev="sda1" ino=90 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.418718][ T28] audit: type=1400 audit(1771916092.204:60): avc: denied { noatsecure } for pid=224 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.421972][ T28] audit: type=1400 audit(1771916092.204:61): avc: denied { write } for pid=224 comm="sh" path="pipe:[7935]" dev="pipefs" ino=7935 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 12.425326][ T28] audit: type=1400 audit(1771916092.204:62): avc: denied { rlimitinh } for pid=224 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 12.428436][ T28] audit: type=1400 audit(1771916092.204:63): avc: denied { siginh } for pid=224 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 17.538931][ T227] sshd-session (227) used greatest stack depth: 21600 bytes left Warning: Permanently added '10.128.1.195' (ED25519) to the list of known hosts. 2026/02/24 06:55:04 parsed 1 programs [ 25.142651][ T28] audit: type=1400 audit(1771916104.934:64): avc: denied { node_bind } for pid=282 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 25.164497][ T28] audit: type=1400 audit(1771916104.934:65): avc: denied { module_request } for pid=282 comm="syz-execprog" kmod="net-pf-2-proto-262-type-1" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 25.936899][ T28] audit: type=1400 audit(1771916105.724:66): avc: denied { mounton } for pid=290 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 25.937903][ T290] cgroup: Unknown subsys name 'net' [ 25.960559][ T28] audit: type=1400 audit(1771916105.724:67): avc: denied { mount } for pid=290 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 25.990557][ T28] audit: type=1400 audit(1771916105.764:68): avc: denied { unmount } for pid=290 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 25.990729][ T290] cgroup: Unknown subsys name 'devices' [ 26.134047][ T290] cgroup: Unknown subsys name 'hugetlb' [ 26.140308][ T290] cgroup: Unknown subsys name 'rlimit' [ 26.247989][ T28] audit: type=1400 audit(1771916106.034:69): avc: denied { setattr } for pid=290 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=258 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 26.271822][ T28] audit: type=1400 audit(1771916106.034:70): avc: denied { create } for pid=290 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 26.292886][ T28] audit: type=1400 audit(1771916106.034:71): avc: denied { write } for pid=290 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 26.305686][ T293] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 26.314710][ T28] audit: type=1400 audit(1771916106.034:72): avc: denied { read } for pid=290 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 Setting up swapspace version 1, size = 127995904 bytes [ 26.344688][ T28] audit: type=1400 audit(1771916106.034:73): avc: denied { mounton } for pid=290 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 [ 26.354481][ T290] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 27.119535][ T295] request_module fs-gadgetfs succeeded, but still no fs? [ 27.343299][ T309] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.350521][ T309] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.357971][ T309] device bridge_slave_0 entered promiscuous mode [ 27.364971][ T309] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.372182][ T309] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.379646][ T309] device bridge_slave_1 entered promiscuous mode [ 27.418438][ T309] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.425591][ T309] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.432978][ T309] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.440008][ T309] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.459720][ T10] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.467330][ T10] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.474984][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 27.482592][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 27.491521][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 27.499973][ T10] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.507258][ T10] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.517026][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 27.525393][ T10] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.532454][ T10] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.544736][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 27.555045][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 27.569228][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 27.580344][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 27.589111][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 27.596912][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 27.606385][ T309] device veth0_vlan entered promiscuous mode [ 27.616451][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 27.626382][ T309] device veth1_macvtap entered promiscuous mode [ 27.636469][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 27.647957][ T10] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2026/02/24 06:55:08 executed programs: 0 [ 28.310301][ T362] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.318136][ T362] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.326308][ T362] device bridge_slave_0 entered promiscuous mode [ 28.336156][ T362] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.343426][ T362] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.351158][ T362] device bridge_slave_1 entered promiscuous mode [ 28.401745][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 28.409496][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 28.417640][ T8] device bridge_slave_1 left promiscuous mode [ 28.424124][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.431687][ T8] device bridge_slave_0 left promiscuous mode [ 28.438461][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.446385][ T8] device veth1_macvtap left promiscuous mode [ 28.452794][ T8] device veth0_vlan left promiscuous mode [ 28.526507][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 28.534852][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 28.543537][ T320] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.550850][ T320] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.558802][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 28.569355][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 28.577959][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 28.586284][ T320] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.593531][ T320] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.604907][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 28.613392][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 28.623260][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 28.631499][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 28.644040][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 28.652745][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 28.664790][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 28.673062][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 28.681231][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 28.689293][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 28.697397][ T362] device veth0_vlan entered promiscuous mode [ 28.707784][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 28.718101][ T362] device veth1_macvtap entered promiscuous mode [ 28.728696][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 28.737655][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 28.748754][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 28.757303][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 28.833798][ T375] general protection fault, probably for non-canonical address 0xdffffc0000000008: 0000 [#1] PREEMPT SMP KASAN [ 28.845905][ T375] KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047] [ 28.854404][ T375] CPU: 0 PID: 375 Comm: syz.2.17 Not tainted syzkaller #0 [ 28.861647][ T375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 28.871953][ T375] RIP: 0010:fuse_atomic_open+0x174/0x3c0 [ 28.877587][ T375] Code: 8b 6d c4 44 89 ee 83 e6 40 31 ff e8 06 3a 66 ff 44 89 e8 83 e0 40 75 07 e8 d9 35 66 ff eb 26 4d 8d 6e 30 4c 89 e8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ef e8 3d 68 ab ff 49 83 7d 00 00 74 21 [ 28.897894][ T375] RSP: 0018:ffffc900036a78f8 EFLAGS: 00010203 [ 28.903956][ T375] RAX: 0000000000000008 RBX: ffff888112816800 RCX: 0000000000000000 [ 28.912012][ T375] RDX: ffff888113b5bcc0 RSI: 0000000000000040 RDI: 0000000000000000 [ 28.920015][ T375] RBP: ffffc900036a7950 R08: ffff888113b5bcc0 R09: fffff520006d4e94 [ 28.928428][ T375] R10: 00000000fffffffe R11: 0000000000000000 R12: dffffc0000000000 [ 28.936665][ T375] R13: 0000000000000047 R14: 0000000000000017 R15: ffff8881246daa80 [ 28.944637][ T375] FS: 00007f2e82f726c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 28.953647][ T375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.961402][ T375] CR2: 00007f2e82f71ff8 CR3: 000000012d5ce000 CR4: 00000000003506b0 [ 28.970666][ T375] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.979022][ T375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.987012][ T375] Call Trace: [ 28.990483][ T375] [ 28.993439][ T375] ? selinux_inode_create+0x22/0x30 [ 28.998724][ T375] ? __cfi_fuse_atomic_open+0x10/0x10 [ 29.004178][ T375] path_openat+0xe57/0x2f80 [ 29.008767][ T375] ? do_filp_open+0x430/0x430 [ 29.013434][ T375] do_filp_open+0x1f1/0x430 [ 29.017925][ T375] ? __cfi_do_filp_open+0x10/0x10 [ 29.023036][ T375] ? alloc_fd+0x4e6/0x590 [ 29.027588][ T375] do_sys_openat2+0x15e/0x810 [ 29.032288][ T375] ? __se_sys_futex+0x136/0x310 [ 29.037246][ T375] ? do_sys_open+0xe0/0xe0 [ 29.041716][ T375] ? __this_cpu_preempt_check+0x13/0x20 [ 29.047280][ T375] ? xfd_validate_state+0x70/0x150 [ 29.052405][ T375] ? __kasan_check_write+0x14/0x20 [ 29.057694][ T375] __x64_sys_creat+0x8e/0xb0 [ 29.062475][ T375] x64_sys_call+0x116/0x9a0 [ 29.067070][ T375] do_syscall_64+0x4c/0xa0 [ 29.071664][ T375] ? clear_bhb_loop+0x30/0x80 [ 29.076426][ T375] ? clear_bhb_loop+0x30/0x80 [ 29.081452][ T375] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 29.087408][ T375] RIP: 0033:0x7f2e8219c629 [ 29.091921][ T375] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 29.112233][ T375] RSP: 002b:00007f2e82f72028 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 [ 29.120837][ T375] RAX: ffffffffffffffda RBX: 00007f2e82416090 RCX: 00007f2e8219c629 [ 29.128894][ T375] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000180 [ 29.136955][ T375] RBP: 00007f2e82232b39 R08: 0000000000000000 R09: 0000000000000000 [ 29.145186][ T375] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 29.153328][ T375] R13: 00007f2e82416128 R14: 00007f2e82416090 R15: 00007ffe4d2e91f8 [ 29.161304][ T375] [ 29.164318][ T375] Modules linked in: [ 29.169320][ T375] ---[ end trace 0000000000000000 ]--- [ 29.175019][ T375] RIP: 0010:fuse_atomic_open+0x174/0x3c0 [ 29.180996][ T375] Code: 8b 6d c4 44 89 ee 83 e6 40 31 ff e8 06 3a 66 ff 44 89 e8 83 e0 40 75 07 e8 d9 35 66 ff eb 26 4d 8d 6e 30 4c 89 e8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ef e8 3d 68 ab ff 49 83 7d 00 00 74 21 [ 29.201800][ T375] RSP: 0018:ffffc900036a78f8 EFLAGS: 00010203 [ 29.208308][ T375] RAX: 0000000000000008 RBX: ffff888112816800 RCX: 0000000000000000 [ 29.216786][ T375] RDX: ffff888113b5bcc0 RSI: 0000000000000040 RDI: 0000000000000000 [ 29.225233][ T375] RBP: ffffc900036a7950 R08: ffff888113b5bcc0 R09: fffff520006d4e94 [ 29.233889][ T375] R10: 00000000fffffffe R11: 0000000000000000 R12: dffffc0000000000 [ 29.242521][ T375] R13: 0000000000000047 R14: 0000000000000017 R15: ffff8881246daa80 [ 29.250729][ T375] FS: 00007f2e82f726c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 29.260213][ T375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.267283][ T375] CR2: 000055ee5b0729f0 CR3: 000000012d5ce000 CR4: 00000000003506a0 [ 29.275738][ T375] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.284161][ T375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.292816][ T375] Kernel panic - not syncing: Fatal exception [ 29.300468][ T375] Kernel Offset: disabled [ 29.305048][ T375] Rebooting in 86400 seconds..