Warning: Permanently added '10.128.0.16' (ED25519) to the list of known hosts. 2026/05/31 10:39:53 parsed 1 programs [ 21.771167][ T36] audit: type=1400 audit(1780223993.239:64): avc: denied { node_bind } for pid=302 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 22.679084][ T36] audit: type=1400 audit(1780223994.139:65): avc: denied { mounton } for pid=308 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 [ 22.680192][ T308] cgroup: Unknown subsys name 'net' [ 22.701727][ T36] audit: type=1400 audit(1780223994.139:66): avc: denied { mount } for pid=308 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 [ 22.728997][ T36] audit: type=1400 audit(1780223994.169:67): avc: denied { unmount } for pid=308 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 22.729154][ T308] cgroup: Unknown subsys name 'devices' [ 22.851253][ T308] cgroup: Unknown subsys name 'hugetlb' [ 22.856856][ T308] cgroup: Unknown subsys name 'rlimit' [ 22.954778][ T36] audit: type=1400 audit(1780223994.419:68): avc: denied { setattr } for pid=308 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 [ 22.977945][ T36] audit: type=1400 audit(1780223994.419:69): avc: denied { create } for pid=308 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 22.998321][ T36] audit: type=1400 audit(1780223994.419:70): avc: denied { write } for pid=308 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 23.018701][ T36] audit: type=1400 audit(1780223994.419:71): avc: denied { read } for pid=308 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 23.027861][ T312] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). Setting up swapspace version 1, size = 127995904 bytes [ 23.038965][ T36] audit: type=1400 audit(1780223994.419:72): avc: denied { sys_module } for pid=308 comm="syz-executor" capability=16 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability permissive=1 [ 23.068366][ T36] audit: type=1400 audit(1780223994.419:73): avc: denied { mounton } for pid=308 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 [ 23.098510][ T308] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 24.012395][ T314] 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. [ 24.636317][ T360] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.643385][ T360] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.650463][ T360] bridge_slave_0: entered allmulticast mode [ 24.656728][ T360] bridge_slave_0: entered promiscuous mode [ 24.666357][ T360] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.673442][ T360] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.680522][ T360] bridge_slave_1: entered allmulticast mode [ 24.686889][ T360] bridge_slave_1: entered promiscuous mode [ 24.723633][ T360] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.730703][ T360] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.737955][ T360] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.744991][ T360] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.762935][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.770282][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.778873][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 24.786360][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 24.795278][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 24.802329][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 24.823718][ T360] veth0_vlan: entered promiscuous mode [ 24.833534][ T360] veth1_macvtap: entered promiscuous mode [ 24.872474][ T355] bridge_slave_1: left allmulticast mode [ 24.878148][ T355] bridge_slave_1: left promiscuous mode [ 24.884075][ T355] bridge0: port 2(bridge_slave_1) entered disabled state [ 24.891858][ T355] bridge_slave_0: left allmulticast mode [ 24.897481][ T355] bridge_slave_0: left promiscuous mode [ 24.903245][ T355] bridge0: port 1(bridge_slave_0) entered disabled state [ 24.992206][ T355] veth1_macvtap: left promiscuous mode [ 24.997766][ T355] veth0_vlan: left promiscuous mode 2026/05/31 10:39:56 executed programs: 0 [ 25.300196][ T376] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.307276][ T376] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.314363][ T376] bridge_slave_0: entered allmulticast mode [ 25.320709][ T376] bridge_slave_0: entered promiscuous mode [ 25.326973][ T376] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.334020][ T376] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.341071][ T376] bridge_slave_1: entered allmulticast mode [ 25.347182][ T376] bridge_slave_1: entered promiscuous mode [ 25.391817][ T376] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.398853][ T376] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.406125][ T376] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.413165][ T376] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.435382][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.442600][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.451956][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.458992][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 25.467730][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.474781][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 25.498646][ T376] veth0_vlan: entered promiscuous mode [ 25.508663][ T376] veth1_macvtap: entered promiscuous mode [ 25.535459][ T376] ------------[ cut here ]------------ [ 25.540981][ T376] WARNING: CPU: 0 PID: 376 at fs/inode.c:340 drop_nlink+0xce/0x110 [ 25.548899][ T376] Modules linked in: [ 25.552844][ T376] CPU: 0 UID: 0 PID: 376 Comm: syz-executor Not tainted syzkaller #0 29c6904b08c3b1e8518f4116e2e8016f6159917e [ 25.564532][ T376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 25.574667][ T376] RIP: 0010:drop_nlink+0xce/0x110 [ 25.579717][ T376] Code: 04 00 00 be 08 00 00 00 e8 7f 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 52 6d 95 ff <0f> 0b eb 81 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 59 ff ff ff 4c [ 25.599355][ T376] RSP: 0018:ffffc9000131fc60 EFLAGS: 00010293 [ 25.605432][ T376] RAX: ffffffff81f2597e RBX: ffff888115759e30 RCX: ffff888113da1300 [ 25.613428][ T376] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 25.621416][ T376] RBP: ffffc9000131fc88 R08: 0000000000000003 R09: 0000000000000004 [ 25.629412][ T376] R10: dffffc0000000000 R11: fffff52000263f7c R12: dffffc0000000000 [ 25.637412][ T376] R13: 1ffff11022aeb3cf R14: ffff888115759e78 R15: 0000000000000000 [ 25.645402][ T376] FS: 0000555570d02500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 25.654349][ T376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.660955][ T376] CR2: 0000555570d25958 CR3: 0000000114f5c000 CR4: 00000000003526b0 [ 25.668925][ T376] Call Trace: [ 25.672219][ T376] [ 25.675142][ T376] shmem_rmdir+0x5f/0x90 [ 25.679410][ T376] vfs_rmdir+0x3e3/0x560 [ 25.683735][ T376] incfs_kill_sb+0x109/0x230 [ 25.688302][ T376] deactivate_locked_super+0xd5/0x2a0 [ 25.693683][ T376] deactivate_super+0xb8/0xe0 [ 25.698356][ T376] cleanup_mnt+0x406/0x4a0 [ 25.702792][ T376] __cleanup_mnt+0x1d/0x40 [ 25.707203][ T376] task_work_run+0x1e5/0x260 [ 25.711801][ T376] ? __cfi_task_work_run+0x10/0x10 [ 25.716910][ T376] ? __x64_sys_umount+0x12e/0x180 [ 25.721973][ T376] ? __cfi___x64_sys_umount+0x10/0x10 [ 25.727351][ T376] ? __kasan_check_read+0x15/0x20 [ 25.732416][ T376] resume_user_mode_work+0x35/0x50 [ 25.737522][ T376] syscall_exit_to_user_mode+0x63/0xb0 [ 25.742993][ T376] do_syscall_64+0x63/0xf0 [ 25.747404][ T376] ? clear_bhb_loop+0x50/0xa0 [ 25.752091][ T376] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 25.757978][ T376] RIP: 0033:0x7f2e3b99e097 [ 25.762500][ T376] 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 [ 25.782215][ T376] RSP: 002b:00007fff180aec58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 25.790675][ T376] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f2e3b99e097 [ 25.798638][ T376] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff180aed10 [ 25.806624][ T376] RBP: 00007fff180aed10 R08: 00007fff180afd10 R09: 00000000ffffffff [ 25.814619][ T376] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff180afda0 [ 25.822687][ T376] R13: 00007f2e3ba321ca R14: 00000000000063a7 R15: 00007fff180afde0 [ 25.830689][ T376] [ 25.833693][ T376] ---[ end trace 0000000000000000 ]--- [ 25.839219][ T376] ================================================================== [ 25.847285][ T376] BUG: KASAN: null-ptr-deref in ihold+0x24/0x70 [ 25.853513][ T376] Write of size 4 at addr 0000000000000168 by task syz-executor/376 [ 25.861462][ T376] [ 25.863765][ T376] CPU: 1 UID: 0 PID: 376 Comm: syz-executor Tainted: G W syzkaller #0 29c6904b08c3b1e8518f4116e2e8016f6159917e [ 25.863781][ T376] Tainted: [W]=WARN [ 25.863784][ T376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 25.863791][ T376] Call Trace: [ 25.863795][ T376] [ 25.863799][ T376] __dump_stack+0x21/0x30 [ 25.863816][ T376] dump_stack_lvl+0x140/0x1c0 [ 25.863830][ T376] ? __cfi_dump_stack_lvl+0x10/0x10 [ 25.863844][ T376] print_report+0x3d/0x70 [ 25.863862][ T376] kasan_report+0x162/0x1a0 [ 25.863875][ T376] ? ihold+0x24/0x70 [ 25.863887][ T376] ? _raw_spin_unlock+0x45/0x60 [ 25.863897][ T376] ? ihold+0x24/0x70 [ 25.863909][ T376] kasan_check_range+0x25a/0x2b0 [ 25.863923][ T376] __kasan_check_write+0x18/0x20 [ 25.863933][ T376] ihold+0x24/0x70 [ 25.863944][ T376] vfs_rmdir+0x26a/0x560 [ 25.863957][ T376] incfs_kill_sb+0x109/0x230 [ 25.863968][ T376] deactivate_locked_super+0xd5/0x2a0 [ 25.863982][ T376] deactivate_super+0xb8/0xe0 [ 25.863995][ T376] cleanup_mnt+0x406/0x4a0 [ 25.864007][ T376] __cleanup_mnt+0x1d/0x40 [ 25.864017][ T376] task_work_run+0x1e5/0x260 [ 25.864031][ T376] ? __cfi_task_work_run+0x10/0x10 [ 25.864043][ T376] ? __x64_sys_umount+0x12e/0x180 [ 25.864057][ T376] ? __cfi___x64_sys_umount+0x10/0x10 [ 25.864071][ T376] ? __kasan_check_read+0x15/0x20 [ 25.864080][ T376] resume_user_mode_work+0x35/0x50 [ 25.864090][ T376] syscall_exit_to_user_mode+0x63/0xb0 [ 25.864104][ T376] do_syscall_64+0x63/0xf0 [ 25.864114][ T376] ? clear_bhb_loop+0x50/0xa0 [ 25.864126][ T376] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 25.864137][ T376] RIP: 0033:0x7f2e3b99e097 [ 25.864147][ T376] 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 [ 25.864155][ T376] RSP: 002b:00007fff180aec58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 25.864166][ T376] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f2e3b99e097 [ 25.864173][ T376] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff180aed10 [ 25.864179][ T376] RBP: 00007fff180aed10 R08: 00007fff180afd10 R09: 00000000ffffffff [ 25.864186][ T376] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff180afda0 [ 25.864193][ T376] R13: 00007f2e3ba321ca R14: 00000000000063a7 R15: 00007fff180afde0 [ 25.864201][ T376] [ 25.864205][ T376] ================================================================== [ 26.108546][ T376] Disabling lock debugging due to kernel taint [ 26.114779][ T376] BUG: kernel NULL pointer dereference, address: 0000000000000168 [ 26.122568][ T376] #PF: supervisor write access in kernel mode [ 26.128609][ T376] #PF: error_code(0x0002) - not-present page [ 26.134560][ T376] PGD 8000000116d4d067 P4D 8000000116d4d067 PUD 0 [ 26.141041][ T376] Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI [ 26.147085][ T376] CPU: 1 UID: 0 PID: 376 Comm: syz-executor Tainted: G B W syzkaller #0 29c6904b08c3b1e8518f4116e2e8016f6159917e [ 26.160162][ T376] Tainted: [B]=BAD_PAGE, [W]=WARN [ 26.165152][ T376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 26.175184][ T376] RIP: 0010:ihold+0x2a/0x70 [ 26.179677][ T376] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 3d 64 95 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 3c 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 4d [ 26.199262][ T376] RSP: 0018:ffffc9000131fca0 EFLAGS: 00010246 [ 26.205305][ T376] RAX: ffff888113da1300 RBX: 0000000000000000 RCX: ffff888113da1300 [ 26.213256][ T376] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 26.221201][ T376] RBP: ffffc9000131fcb0 R08: ffffffff88bbb947 R09: 1ffffffff1177728 [ 26.229146][ T376] R10: dffffc0000000000 R11: fffffbfff1177729 R12: ffff888115759e3c [ 26.237092][ T376] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 26.245141][ T376] FS: 0000555570d02500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 26.254046][ T376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.260614][ T376] CR2: 0000000000000168 CR3: 0000000114f5c000 CR4: 00000000003526b0 [ 26.268561][ T376] Call Trace: [ 26.271819][ T376] [ 26.274734][ T376] vfs_rmdir+0x26a/0x560 [ 26.278959][ T376] incfs_kill_sb+0x109/0x230 [ 26.283523][ T376] deactivate_locked_super+0xd5/0x2a0 [ 26.288948][ T376] deactivate_super+0xb8/0xe0 [ 26.293627][ T376] cleanup_mnt+0x406/0x4a0 [ 26.298034][ T376] __cleanup_mnt+0x1d/0x40 [ 26.302436][ T376] task_work_run+0x1e5/0x260 [ 26.307009][ T376] ? __cfi_task_work_run+0x10/0x10 [ 26.312098][ T376] ? __x64_sys_umount+0x12e/0x180 [ 26.317103][ T376] ? __cfi___x64_sys_umount+0x10/0x10 [ 26.322456][ T376] ? __kasan_check_read+0x15/0x20 [ 26.327455][ T376] resume_user_mode_work+0x35/0x50 [ 26.332544][ T376] syscall_exit_to_user_mode+0x63/0xb0 [ 26.337979][ T376] do_syscall_64+0x63/0xf0 [ 26.342369][ T376] ? clear_bhb_loop+0x50/0xa0 [ 26.347021][ T376] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 26.352890][ T376] RIP: 0033:0x7f2e3b99e097 [ 26.357289][ T376] 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 [ 26.376869][ T376] RSP: 002b:00007fff180aec58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 26.385263][ T376] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f2e3b99e097 [ 26.393209][ T376] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff180aed10 [ 26.401165][ T376] RBP: 00007fff180aed10 R08: 00007fff180afd10 R09: 00000000ffffffff [ 26.409196][ T376] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff180afda0 [ 26.417146][ T376] R13: 00007f2e3ba321ca R14: 00000000000063a7 R15: 00007fff180afde0 [ 26.425102][ T376] [ 26.428099][ T376] Modules linked in: [ 26.431997][ T376] CR2: 0000000000000168 [ 26.436141][ T376] ---[ end trace 0000000000000000 ]--- [ 26.441587][ T376] RIP: 0010:ihold+0x2a/0x70 [ 26.446106][ T376] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 3d 64 95 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 3c 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 4d [ 26.465705][ T376] RSP: 0018:ffffc9000131fca0 EFLAGS: 00010246 [ 26.471760][ T376] RAX: ffff888113da1300 RBX: 0000000000000000 RCX: ffff888113da1300 [ 26.479716][ T376] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 26.487673][ T376] RBP: ffffc9000131fcb0 R08: ffffffff88bbb947 R09: 1ffffffff1177728 [ 26.495631][ T376] R10: dffffc0000000000 R11: fffffbfff1177729 R12: ffff888115759e3c [ 26.503587][ T376] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 26.511574][ T376] FS: 0000555570d02500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 26.520485][ T376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.527045][ T376] CR2: 0000000000000168 CR3: 0000000114f5c000 CR4: 00000000003526b0 [ 26.534998][ T376] Kernel panic - not syncing: Fatal exception [ 26.541373][ T376] Kernel Offset: disabled [ 26.545677][ T376] Rebooting in 86400 seconds..