Warning: Permanently added '10.128.0.53' (ED25519) to the list of known hosts. 2026/05/15 16:58:06 parsed 1 programs [ 20.727621][ T36] audit: type=1400 audit(1778864286.299:64): avc: denied { node_bind } for pid=303 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 21.745348][ T36] audit: type=1400 audit(1778864287.319:65): avc: denied { mounton } for pid=311 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2024 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 21.746419][ T311] cgroup: Unknown subsys name 'net' [ 21.768050][ T36] audit: type=1400 audit(1778864287.319:66): avc: denied { mount } for pid=311 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 [ 21.795297][ T36] audit: type=1400 audit(1778864287.349:67): avc: denied { unmount } for pid=311 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 21.795459][ T311] cgroup: Unknown subsys name 'devices' [ 22.001324][ T311] cgroup: Unknown subsys name 'hugetlb' [ 22.006912][ T311] cgroup: Unknown subsys name 'rlimit' [ 22.104432][ T36] audit: type=1400 audit(1778864287.679:68): avc: denied { setattr } for pid=311 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=190 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 22.127596][ T36] audit: type=1400 audit(1778864287.679:69): avc: denied { create } for pid=311 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 22.148009][ T36] audit: type=1400 audit(1778864287.679:70): avc: denied { write } for pid=311 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 22.156550][ T314] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 22.168366][ T36] audit: type=1400 audit(1778864287.679:71): avc: denied { read } for pid=311 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 [ 22.197084][ T36] audit: type=1400 audit(1778864287.679:72): avc: denied { sys_module } for pid=311 comm="syz-executor" capability=16 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability permissive=1 [ 22.218308][ T36] audit: type=1400 audit(1778864287.679:73): avc: denied { mounton } for pid=311 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 [ 22.246333][ T311] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 23.088619][ T316] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 23.382273][ T339] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.389356][ T339] bridge0: port 1(bridge_slave_0) entered disabled state [ 23.396407][ T339] bridge_slave_0: entered allmulticast mode [ 23.402764][ T339] bridge_slave_0: entered promiscuous mode [ 23.409073][ T339] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.416121][ T339] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.423257][ T339] bridge_slave_1: entered allmulticast mode [ 23.429920][ T339] bridge_slave_1: entered promiscuous mode [ 23.468860][ T339] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.475922][ T339] bridge0: port 2(bridge_slave_1) entered forwarding state [ 23.483208][ T339] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.490241][ T339] bridge0: port 1(bridge_slave_0) entered forwarding state [ 23.521520][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 23.528712][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.537701][ T128] bridge0: port 1(bridge_slave_0) entered blocking state [ 23.544758][ T128] bridge0: port 1(bridge_slave_0) entered forwarding state [ 23.553502][ T128] bridge0: port 2(bridge_slave_1) entered blocking state [ 23.560556][ T128] bridge0: port 2(bridge_slave_1) entered forwarding state [ 23.585657][ T339] veth0_vlan: entered promiscuous mode [ 23.595169][ T339] veth1_macvtap: entered promiscuous mode [ 23.651860][ T46] bridge_slave_1: left allmulticast mode [ 23.657532][ T46] bridge_slave_1: left promiscuous mode [ 23.663200][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 23.670808][ T46] bridge_slave_0: left allmulticast mode [ 23.676455][ T46] bridge_slave_0: left promiscuous mode [ 23.682647][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 23.802131][ T46] veth1_macvtap: left promiscuous mode [ 23.807678][ T46] veth0_vlan: left promiscuous mode 2026/05/15 16:58:09 executed programs: 0 [ 24.408217][ T380] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.415277][ T380] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.422460][ T380] bridge_slave_0: entered allmulticast mode [ 24.428605][ T380] bridge_slave_0: entered promiscuous mode [ 24.435245][ T380] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.442328][ T380] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.449460][ T380] bridge_slave_1: entered allmulticast mode [ 24.455777][ T380] bridge_slave_1: entered promiscuous mode [ 24.490723][ T380] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.497765][ T380] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.505040][ T380] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.512126][ T380] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.530875][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.538049][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.546964][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.554014][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.562968][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.570027][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.591167][ T380] veth0_vlan: entered promiscuous mode [ 24.601096][ T380] veth1_macvtap: entered promiscuous mode [ 24.626332][ T380] ------------[ cut here ]------------ [ 24.631868][ T380] WARNING: CPU: 1 PID: 380 at fs/inode.c:340 drop_nlink+0xce/0x110 [ 24.639836][ T380] Modules linked in: [ 24.643758][ T380] CPU: 1 UID: 0 PID: 380 Comm: syz-executor Not tainted syzkaller #0 2a773d25b07a50942adc40786a7b0622bdaa5377 [ 24.655409][ T380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 24.665502][ T380] RIP: 0010:drop_nlink+0xce/0x110 [ 24.670555][ T380] Code: 04 00 00 be 08 00 00 00 e8 cf 12 ee ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 a2 89 95 ff <0f> 0b eb 81 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 59 ff ff ff 4c [ 24.690227][ T380] RSP: 0018:ffffc90003b5fc60 EFLAGS: 00010293 [ 24.696307][ T380] RAX: ffffffff81f239fe RBX: ffff888115215308 RCX: ffff88810b77b900 [ 24.704326][ T380] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 24.712326][ T380] RBP: ffffc90003b5fc88 R08: 0000000000000003 R09: 0000000000000004 [ 24.720324][ T380] R10: dffffc0000000000 R11: fffff5200076bf7c R12: dffffc0000000000 [ 24.728295][ T380] R13: 1ffff11022a42a6a R14: ffff888115215350 R15: 0000000000000000 [ 24.736279][ T380] FS: 000055558709e500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 24.745245][ T380] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.751885][ T380] CR2: 00005555870c1958 CR3: 0000000125d3e000 CR4: 00000000003526b0 [ 24.759911][ T380] Call Trace: [ 24.763182][ T380] [ 24.766096][ T380] shmem_rmdir+0x5f/0x90 [ 24.770353][ T380] vfs_rmdir+0x3e3/0x560 [ 24.774597][ T380] incfs_kill_sb+0x109/0x230 [ 24.779169][ T380] deactivate_locked_super+0xd5/0x2a0 [ 24.784567][ T380] deactivate_super+0xb8/0xe0 [ 24.789245][ T380] cleanup_mnt+0x406/0x4a0 [ 24.793684][ T380] __cleanup_mnt+0x1d/0x40 [ 24.798103][ T380] task_work_run+0x1e5/0x260 [ 24.802727][ T380] ? __cfi_task_work_run+0x10/0x10 [ 24.807839][ T380] ? __x64_sys_umount+0x12e/0x180 [ 24.812896][ T380] ? __cfi___x64_sys_umount+0x10/0x10 [ 24.818272][ T380] ? __kasan_check_read+0x15/0x20 [ 24.823340][ T380] resume_user_mode_work+0x35/0x50 [ 24.828448][ T380] syscall_exit_to_user_mode+0x63/0xb0 [ 24.833921][ T380] do_syscall_64+0x63/0xf0 [ 24.838335][ T380] ? clear_bhb_loop+0x50/0xa0 [ 24.843049][ T380] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 24.848939][ T380] RIP: 0033:0x7f471279e097 [ 24.853376][ T380] Code: a2 c7 05 5c 06 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 24.873006][ T380] RSP: 002b:00007ffcacd83ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 24.881446][ T380] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f471279e097 [ 24.889435][ T380] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcacd83b70 [ 24.897397][ T380] RBP: 00007ffcacd83b70 R08: 00007ffcacd84b70 R09: 00000000ffffffff [ 24.905393][ T380] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcacd84c00 [ 24.913379][ T380] R13: 00007f47128321ca R14: 000000000000601b R15: 00007ffcacd84c40 [ 24.921388][ T380] [ 24.924399][ T380] ---[ end trace 0000000000000000 ]--- [ 24.930679][ T380] ================================================================== [ 24.938748][ T380] BUG: KASAN: null-ptr-deref in ihold+0x24/0x70 [ 24.944971][ T380] Write of size 4 at addr 0000000000000168 by task syz-executor/380 [ 24.952924][ T380] [ 24.955228][ T380] CPU: 0 UID: 0 PID: 380 Comm: syz-executor Tainted: G W syzkaller #0 2a773d25b07a50942adc40786a7b0622bdaa5377 [ 24.955246][ T380] Tainted: [W]=WARN [ 24.955250][ T380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 24.955257][ T380] Call Trace: [ 24.955261][ T380] [ 24.955266][ T380] __dump_stack+0x21/0x30 [ 24.955285][ T380] dump_stack_lvl+0x140/0x1c0 [ 24.955299][ T380] ? __cfi_dump_stack_lvl+0x10/0x10 [ 24.955315][ T380] print_report+0x3d/0x70 [ 24.955329][ T380] kasan_report+0x162/0x1a0 [ 24.955342][ T380] ? ihold+0x24/0x70 [ 24.955355][ T380] ? _raw_spin_unlock+0x45/0x60 [ 24.955366][ T380] ? ihold+0x24/0x70 [ 24.955377][ T380] kasan_check_range+0x25a/0x2b0 [ 24.955391][ T380] __kasan_check_write+0x18/0x20 [ 24.955401][ T380] ihold+0x24/0x70 [ 24.955412][ T380] vfs_rmdir+0x26a/0x560 [ 24.955426][ T380] incfs_kill_sb+0x109/0x230 [ 24.955438][ T380] deactivate_locked_super+0xd5/0x2a0 [ 24.955452][ T380] deactivate_super+0xb8/0xe0 [ 24.955466][ T380] cleanup_mnt+0x406/0x4a0 [ 24.955479][ T380] __cleanup_mnt+0x1d/0x40 [ 24.955490][ T380] task_work_run+0x1e5/0x260 [ 24.955504][ T380] ? __cfi_task_work_run+0x10/0x10 [ 24.955517][ T380] ? __x64_sys_umount+0x12e/0x180 [ 24.955537][ T380] ? __cfi___x64_sys_umount+0x10/0x10 [ 24.955552][ T380] ? __kasan_check_read+0x15/0x20 [ 24.955562][ T380] resume_user_mode_work+0x35/0x50 [ 24.955573][ T380] syscall_exit_to_user_mode+0x63/0xb0 [ 24.955589][ T380] do_syscall_64+0x63/0xf0 [ 24.955598][ T380] ? clear_bhb_loop+0x50/0xa0 [ 24.955611][ T380] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 24.955623][ T380] RIP: 0033:0x7f471279e097 [ 24.955633][ T380] Code: a2 c7 05 5c 06 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 24.955642][ T380] RSP: 002b:00007ffcacd83ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 24.955655][ T380] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f471279e097 [ 24.955663][ T380] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcacd83b70 [ 24.955670][ T380] RBP: 00007ffcacd83b70 R08: 00007ffcacd84b70 R09: 00000000ffffffff [ 24.955678][ T380] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcacd84c00 [ 24.955685][ T380] R13: 00007f47128321ca R14: 000000000000601b R15: 00007ffcacd84c40 [ 24.955695][ T380] [ 24.955699][ T380] ================================================================== [ 25.199643][ T380] Disabling lock debugging due to kernel taint [ 25.205814][ T380] BUG: kernel NULL pointer dereference, address: 0000000000000168 [ 25.213591][ T380] #PF: supervisor write access in kernel mode [ 25.219625][ T380] #PF: error_code(0x0002) - not-present page [ 25.225573][ T380] PGD 800000012b97c067 P4D 800000012b97c067 PUD 0 [ 25.232055][ T380] Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI [ 25.238097][ T380] CPU: 0 UID: 0 PID: 380 Comm: syz-executor Tainted: G B W syzkaller #0 2a773d25b07a50942adc40786a7b0622bdaa5377 [ 25.251175][ T380] Tainted: [B]=BAD_PAGE, [W]=WARN [ 25.256168][ T380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 25.266196][ T380] RIP: 0010:ihold+0x2a/0x70 [ 25.270681][ T380] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 8d 80 95 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 8c 09 ee ff 41 be 01 00 00 00 44 0f c1 b3 68 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 9d [ 25.290267][ T380] RSP: 0018:ffffc90003b5fca0 EFLAGS: 00010246 [ 25.296315][ T380] RAX: ffff88810b77b900 RBX: 0000000000000000 RCX: ffff88810b77b900 [ 25.304261][ T380] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 25.312210][ T380] RBP: ffffc90003b5fcb0 R08: ffffffff88bba947 R09: 1ffffffff1177528 [ 25.320159][ T380] R10: dffffc0000000000 R11: fffffbfff1177529 R12: ffff888115215314 [ 25.328110][ T380] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 25.336057][ T380] FS: 000055558709e500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 25.344964][ T380] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.351523][ T380] CR2: 0000000000000168 CR3: 0000000125d3e000 CR4: 00000000003526b0 [ 25.359474][ T380] Call Trace: [ 25.362730][ T380] [ 25.365639][ T380] vfs_rmdir+0x26a/0x560 [ 25.369863][ T380] incfs_kill_sb+0x109/0x230 [ 25.374431][ T380] deactivate_locked_super+0xd5/0x2a0 [ 25.379781][ T380] deactivate_super+0xb8/0xe0 [ 25.384437][ T380] cleanup_mnt+0x406/0x4a0 [ 25.388833][ T380] __cleanup_mnt+0x1d/0x40 [ 25.393224][ T380] task_work_run+0x1e5/0x260 [ 25.397791][ T380] ? __cfi_task_work_run+0x10/0x10 [ 25.402878][ T380] ? __x64_sys_umount+0x12e/0x180 [ 25.407883][ T380] ? __cfi___x64_sys_umount+0x10/0x10 [ 25.413231][ T380] ? __kasan_check_read+0x15/0x20 [ 25.418229][ T380] resume_user_mode_work+0x35/0x50 [ 25.423352][ T380] syscall_exit_to_user_mode+0x63/0xb0 [ 25.428789][ T380] do_syscall_64+0x63/0xf0 [ 25.433180][ T380] ? clear_bhb_loop+0x50/0xa0 [ 25.437833][ T380] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 25.443701][ T380] RIP: 0033:0x7f471279e097 [ 25.448090][ T380] Code: a2 c7 05 5c 06 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 [ 25.467665][ T380] RSP: 002b:00007ffcacd83ab8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 25.476052][ T380] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f471279e097 [ 25.483998][ T380] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcacd83b70 [ 25.491941][ T380] RBP: 00007ffcacd83b70 R08: 00007ffcacd84b70 R09: 00000000ffffffff [ 25.499885][ T380] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcacd84c00 [ 25.507830][ T380] R13: 00007f47128321ca R14: 000000000000601b R15: 00007ffcacd84c40 [ 25.515775][ T380] [ 25.519118][ T380] Modules linked in: [ 25.523000][ T380] CR2: 0000000000000168 [ 25.527125][ T380] ---[ end trace 0000000000000000 ]--- [ 25.532553][ T380] RIP: 0010:ihold+0x2a/0x70 [ 25.537034][ T380] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 8d 80 95 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 8c 09 ee ff 41 be 01 00 00 00 44 0f c1 b3 68 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 9d [ 25.556612][ T380] RSP: 0018:ffffc90003b5fca0 EFLAGS: 00010246 [ 25.562651][ T380] RAX: ffff88810b77b900 RBX: 0000000000000000 RCX: ffff88810b77b900 [ 25.570595][ T380] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 25.578538][ T380] RBP: ffffc90003b5fcb0 R08: ffffffff88bba947 R09: 1ffffffff1177528 [ 25.586485][ T380] R10: dffffc0000000000 R11: fffffbfff1177529 R12: ffff888115215314 [ 25.594428][ T380] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 25.602376][ T380] FS: 000055558709e500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 25.611281][ T380] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.617835][ T380] CR2: 0000000000000168 CR3: 0000000125d3e000 CR4: 00000000003526b0 [ 25.625784][ T380] Kernel panic - not syncing: Fatal exception [ 25.632172][ T380] Kernel Offset: disabled [ 25.636478][ T380] Rebooting in 86400 seconds..