syzkaller syzkaller login: [ 16.809558][ T28] kauditd_printk_skb: 31 callbacks suppressed [ 16.809573][ T28] audit: type=1400 audit(1762892928.210:59): 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 [ 16.814406][ T28] audit: type=1400 audit(1762892928.210:60): 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 [ 16.817356][ T28] audit: type=1400 audit(1762892928.210:61): avc: denied { write } for pid=224 comm="sh" path="pipe:[13885]" dev="pipefs" ino=13885 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 16.820894][ T28] audit: type=1400 audit(1762892928.210:62): 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 [ 16.824113][ T28] audit: type=1400 audit(1762892928.210:63): 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 Warning: Permanently added '10.128.0.127' (ED25519) to the list of known hosts. 2025/11/11 20:29:15 parsed 1 programs [ 44.236904][ T28] audit: type=1400 audit(1762892955.640:64): 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 [ 44.257660][ T28] audit: type=1400 audit(1762892955.640:65): 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 [ 45.369194][ T28] audit: type=1400 audit(1762892956.770:66): 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 [ 45.370694][ T290] cgroup: Unknown subsys name 'net' [ 45.391896][ T28] audit: type=1400 audit(1762892956.770:67): 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 [ 45.419233][ T28] audit: type=1400 audit(1762892956.800:68): 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 [ 45.419447][ T290] cgroup: Unknown subsys name 'devices' [ 45.563348][ T290] cgroup: Unknown subsys name 'hugetlb' [ 45.569013][ T290] cgroup: Unknown subsys name 'rlimit' [ 45.681947][ T28] audit: type=1400 audit(1762892957.090:69): 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 [ 45.705235][ T28] audit: type=1400 audit(1762892957.090:70): 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 [ 45.725802][ T28] audit: type=1400 audit(1762892957.090:71): 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 [ 45.727934][ T293] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 45.746510][ T28] audit: type=1400 audit(1762892957.090:72): 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 [ 45.775063][ T28] audit: type=1400 audit(1762892957.090:73): 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 [ 45.825919][ T290] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 46.512722][ T295] request_module fs-gadgetfs succeeded, but still no fs? [ 47.071962][ T325] syz-executor (325) used greatest stack depth: 21472 bytes left [ 47.135541][ T336] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.142708][ T336] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.150126][ T336] device bridge_slave_0 entered promiscuous mode [ 47.157253][ T336] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.164373][ T336] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.172163][ T336] device bridge_slave_1 entered promiscuous mode [ 47.224947][ T336] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.232039][ T336] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.239324][ T336] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.246383][ T336] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.267644][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.275298][ T320] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.282646][ T320] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.292119][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.300354][ T320] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.307418][ T320] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.316474][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.324899][ T320] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.331968][ T320] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.344296][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.353817][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 47.368320][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 47.379716][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 47.388019][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 47.395449][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 47.403850][ T336] device veth0_vlan entered promiscuous mode [ 47.415130][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 47.424540][ T336] device veth1_macvtap entered promiscuous mode [ 47.434182][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 47.444170][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 47.476250][ T336] syz-executor (336) used greatest stack depth: 21344 bytes left 2025/11/11 20:29:19 executed programs: 0 [ 47.827132][ T362] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.834531][ T362] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.842271][ T362] device bridge_slave_0 entered promiscuous mode [ 47.853384][ T362] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.860423][ T362] bridge0: port 2(bridge_slave_1) entered disabled state [ 47.868267][ T362] device bridge_slave_1 entered promiscuous mode [ 47.926109][ T362] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.933178][ T362] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.940450][ T362] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.947531][ T362] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.972570][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.980321][ T320] bridge0: port 1(bridge_slave_0) entered disabled state [ 47.987871][ T320] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.002820][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.011107][ T320] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.018259][ T320] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.025891][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.034581][ T320] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.041726][ T320] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.054397][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.062507][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.071142][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.079763][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.094164][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 48.102781][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 48.113933][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 48.121983][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 48.129980][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 48.137628][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 48.146085][ T362] device veth0_vlan entered promiscuous mode [ 48.156198][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 48.164582][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 48.173944][ T362] device veth1_macvtap entered promiscuous mode [ 48.183592][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 48.191311][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 48.199552][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 48.209079][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 48.217477][ T320] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 48.347617][ T375] general protection fault, probably for non-canonical address 0xdffffc0000000009: 0000 [#1] PREEMPT SMP KASAN [ 48.359364][ T375] KASAN: null-ptr-deref in range [0x0000000000000048-0x000000000000004f] [ 48.367781][ T375] CPU: 0 PID: 375 Comm: syz.2.17 Not tainted syzkaller #0 [ 48.374942][ T375] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 48.385002][ T375] RIP: 0010:vfs_rename+0x1b1/0x10d0 [ 48.390307][ T375] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 a7 d6 f3 ff 48 8b 03 48 89 44 24 48 48 8b 44 24 30 4c 8d 70 30 4d 89 f7 49 c1 ef 03 <43> 80 3c 27 00 74 08 4c 89 f7 e8 80 d6 f3 ff 49 8b 16 4c 89 6c 24 [ 48.409926][ T375] RSP: 0018:ffffc90000af7b80 EFLAGS: 00010206 [ 48.416010][ T375] RAX: 0000000000000018 RBX: ffff8881114f2be0 RCX: 0000000000000000 [ 48.424185][ T375] RDX: ffff88811435a880 RSI: 0000000000400000 RDI: 0000000000200000 [ 48.432174][ T375] RBP: ffffc90000af7cf0 R08: dffffc0000000000 R09: fffff5200015ef7d [ 48.440160][ T375] R10: fffff5200015ef7d R11: 1ffff9200015ef7c R12: dffffc0000000000 [ 48.448132][ T375] R13: ffff8881236e0000 R14: 0000000000000048 R15: 0000000000000009 [ 48.456111][ T375] FS: 00007fce6fc2c6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 48.465051][ T375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.471732][ T375] CR2: 00007fce6fc2bf98 CR3: 0000000121562000 CR4: 00000000003506b0 [ 48.479803][ T375] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.487806][ T375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.495786][ T375] Call Trace: [ 48.499079][ T375] [ 48.502010][ T375] ? __kasan_check_write+0x14/0x20 [ 48.507145][ T375] ? __cfi_lockref_put_return+0x10/0x10 [ 48.512717][ T375] ? __cfi_vfs_rename+0x10/0x10 [ 48.517599][ T375] ? fast_dput+0x83/0x290 [ 48.521961][ T375] ? dput+0x56/0x80 [ 48.525788][ T375] ? lookup_one_qstr_excl+0x200/0x270 [ 48.531168][ T375] do_renameat2+0x7ed/0xf60 [ 48.535692][ T375] ? __cfi_do_renameat2+0x10/0x10 [ 48.540724][ T375] ? strncpy_from_user+0x17a/0x2d0 [ 48.545839][ T375] ? getname_flags+0x206/0x500 [ 48.550604][ T375] __x64_sys_rename+0x86/0x90 [ 48.555295][ T375] x64_sys_call+0x300/0x9a0 [ 48.559803][ T375] do_syscall_64+0x4c/0xa0 [ 48.564237][ T375] ? clear_bhb_loop+0x30/0x80 [ 48.568926][ T375] ? clear_bhb_loop+0x30/0x80 [ 48.573615][ T375] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 48.579524][ T375] RIP: 0033:0x7fce6ed8f6c9 [ 48.583955][ T375] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 48.603585][ T375] RSP: 002b:00007fce6fc2c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 [ 48.612012][ T375] RAX: ffffffffffffffda RBX: 00007fce6efe6090 RCX: 00007fce6ed8f6c9 [ 48.619997][ T375] RDX: 0000000000000000 RSI: 00002000000000c0 RDI: 0000200000000100 [ 48.628057][ T375] RBP: 00007fce6ee11f91 R08: 0000000000000000 R09: 0000000000000000 [ 48.636052][ T375] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 48.644029][ T375] R13: 00007fce6efe6128 R14: 00007fce6efe6090 R15: 00007fff0de4c518 [ 48.652025][ T375] [ 48.655047][ T375] Modules linked in: [ 48.665064][ T375] ---[ end trace 0000000000000000 ]--- [ 48.670718][ T375] RIP: 0010:vfs_rename+0x1b1/0x10d0 [ 48.676161][ T375] Code: c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 a7 d6 f3 ff 48 8b 03 48 89 44 24 48 48 8b 44 24 30 4c 8d 70 30 4d 89 f7 49 c1 ef 03 <43> 80 3c 27 00 74 08 4c 89 f7 e8 80 d6 f3 ff 49 8b 16 4c 89 6c 24 [ 48.696244][ T375] RSP: 0018:ffffc90000af7b80 EFLAGS: 00010206 [ 48.702543][ T375] RAX: 0000000000000018 RBX: ffff8881114f2be0 RCX: 0000000000000000 [ 48.710629][ T375] RDX: ffff88811435a880 RSI: 0000000000400000 RDI: 0000000000200000 [ 48.718829][ T375] RBP: ffffc90000af7cf0 R08: dffffc0000000000 R09: fffff5200015ef7d [ 48.727077][ T375] R10: fffff5200015ef7d R11: 1ffff9200015ef7c R12: dffffc0000000000 [ 48.735363][ T375] R13: ffff8881236e0000 R14: 0000000000000048 R15: 0000000000000009 [ 48.743612][ T375] FS: 00007fce6fc2c6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 48.752713][ T375] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.759347][ T375] CR2: 00007fce6fc2bf98 CR3: 0000000121562000 CR4: 00000000003506b0 [ 48.767580][ T375] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.775673][ T375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.783679][ T375] Kernel panic - not syncing: Fatal exception [ 48.790024][ T375] Kernel Offset: disabled [ 48.794355][ T375] Rebooting in 86400 seconds..