Warning: Permanently added '10.128.1.170' (ED25519) to the list of known hosts. 2026/05/10 16:32:57 parsed 1 programs [ 27.105262][ T36] audit: type=1400 audit(1778430777.040:64): 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 [ 28.677128][ T36] audit: type=1400 audit(1778430778.610:65): avc: denied { mounton } for pid=310 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 [ 28.681026][ T310] cgroup: Unknown subsys name 'net' [ 28.699958][ T36] audit: type=1400 audit(1778430778.610:66): avc: denied { mount } for pid=310 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 [ 28.727272][ T36] audit: type=1400 audit(1778430778.640:67): avc: denied { unmount } for pid=310 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 28.727875][ T310] cgroup: Unknown subsys name 'devices' [ 28.930565][ T310] cgroup: Unknown subsys name 'hugetlb' [ 28.936251][ T310] cgroup: Unknown subsys name 'rlimit' [ 29.141128][ T36] audit: type=1400 audit(1778430779.080:68): avc: denied { setattr } for pid=310 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 [ 29.164407][ T36] audit: type=1400 audit(1778430779.080:69): avc: denied { create } for pid=310 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 29.184856][ T36] audit: type=1400 audit(1778430779.080:70): avc: denied { write } for pid=310 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 29.205186][ T36] audit: type=1400 audit(1778430779.080:71): avc: denied { read } for pid=310 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 29.219250][ T313] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). Setting up swapspace version 1, size = 127995904 bytes [ 29.226009][ T36] audit: type=1400 audit(1778430779.080:72): avc: denied { sys_module } for pid=310 comm="syz-executor" capability=16 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability permissive=1 [ 29.255287][ T36] audit: type=1400 audit(1778430779.080:73): avc: denied { mounton } for pid=310 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 [ 29.282256][ T310] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 30.264071][ 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. [ 30.564762][ T336] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.572005][ T336] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.579519][ T336] bridge_slave_0: entered allmulticast mode [ 30.585847][ T336] bridge_slave_0: entered promiscuous mode [ 30.592551][ T336] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.599744][ T336] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.606838][ T336] bridge_slave_1: entered allmulticast mode [ 30.613405][ T336] bridge_slave_1: entered promiscuous mode [ 30.660916][ T336] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.667989][ T336] bridge0: port 2(bridge_slave_1) entered forwarding state [ 30.675428][ T336] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.682564][ T336] bridge0: port 1(bridge_slave_0) entered forwarding state [ 30.715060][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.722759][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.732805][ T45] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.739955][ T45] bridge0: port 1(bridge_slave_0) entered forwarding state [ 30.750216][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.757308][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 30.785618][ T336] veth0_vlan: entered promiscuous mode [ 30.797026][ T336] veth1_macvtap: entered promiscuous mode [ 31.060213][ T53] bridge_slave_1: left allmulticast mode [ 31.065937][ T53] bridge_slave_1: left promiscuous mode [ 31.072433][ T53] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.080433][ T53] bridge_slave_0: left allmulticast mode [ 31.086220][ T53] bridge_slave_0: left promiscuous mode [ 31.093175][ T53] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.308638][ T53] veth1_macvtap: left promiscuous mode [ 31.314268][ T53] veth0_vlan: left promiscuous mode 2026/05/10 16:33:01 executed programs: 0 [ 31.772295][ T378] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.779526][ T378] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.786720][ T378] bridge_slave_0: entered allmulticast mode [ 31.793370][ T378] bridge_slave_0: entered promiscuous mode [ 31.800116][ T378] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.807172][ T378] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.814402][ T378] bridge_slave_1: entered allmulticast mode [ 31.820706][ T378] bridge_slave_1: entered promiscuous mode [ 31.873195][ T378] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.880357][ T378] bridge0: port 2(bridge_slave_1) entered forwarding state [ 31.887698][ T378] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.895081][ T378] bridge0: port 1(bridge_slave_0) entered forwarding state [ 31.917275][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 31.924684][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 31.934926][ T53] bridge0: port 1(bridge_slave_0) entered blocking state [ 31.942042][ T53] bridge0: port 1(bridge_slave_0) entered forwarding state [ 31.951221][ T45] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.958349][ T45] bridge0: port 2(bridge_slave_1) entered forwarding state [ 31.985030][ T378] veth0_vlan: entered promiscuous mode [ 31.996240][ T378] veth1_macvtap: entered promiscuous mode [ 32.029978][ T378] ------------[ cut here ]------------ [ 32.035493][ T378] WARNING: CPU: 0 PID: 378 at fs/inode.c:340 drop_nlink+0xce/0x110 [ 32.043548][ T378] Modules linked in: [ 32.047511][ T378] CPU: 0 UID: 0 PID: 378 Comm: syz-executor Not tainted syzkaller #0 88ceac27f2f759e3bbd2a088bdce4bdb7d92b188 [ 32.059418][ T378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 32.069590][ T378] RIP: 0010:drop_nlink+0xce/0x110 [ 32.074775][ T378] Code: 04 00 00 be 08 00 00 00 e8 af 15 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 8f 95 ff <0f> 0b eb 81 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 59 ff ff ff 4c [ 32.094639][ T378] RSP: 0018:ffffc90003b8fc60 EFLAGS: 00010293 [ 32.101059][ T378] RAX: ffffffff81f22cfe RBX: ffff888106f98f50 RCX: ffff888125138000 [ 32.109160][ T378] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 32.117171][ T378] RBP: ffffc90003b8fc88 R08: 0000000000000003 R09: 0000000000000004 [ 32.125292][ T378] R10: dffffc0000000000 R11: fffff52000771f7c R12: dffffc0000000000 [ 32.133484][ T378] R13: 1ffff11020df31f3 R14: ffff888106f98f98 R15: 0000000000000000 [ 32.141674][ T378] FS: 0000555590442500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 32.150774][ T378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.157420][ T378] CR2: 0000555590465958 CR3: 000000010dff2000 CR4: 00000000003526b0 [ 32.165557][ T378] Call Trace: [ 32.168939][ T378] [ 32.171895][ T378] shmem_rmdir+0x5f/0x90 [ 32.176159][ T378] vfs_rmdir+0x3e3/0x560 [ 32.180538][ T378] incfs_kill_sb+0x109/0x230 [ 32.185174][ T378] deactivate_locked_super+0xd5/0x2a0 [ 32.190752][ T378] deactivate_super+0xb8/0xe0 [ 32.195477][ T378] cleanup_mnt+0x406/0x4a0 [ 32.199978][ T378] __cleanup_mnt+0x1d/0x40 [ 32.204550][ T378] task_work_run+0x1e5/0x260 [ 32.209218][ T378] ? __cfi_task_work_run+0x10/0x10 [ 32.214462][ T378] ? __x64_sys_umount+0x12e/0x180 [ 32.219583][ T378] ? __cfi___x64_sys_umount+0x10/0x10 [ 32.225020][ T378] ? __kasan_check_read+0x15/0x20 [ 32.230205][ T378] resume_user_mode_work+0x35/0x50 [ 32.235362][ T378] syscall_exit_to_user_mode+0x63/0xb0 [ 32.240936][ T378] do_syscall_64+0x63/0xf0 [ 32.245390][ T378] ? clear_bhb_loop+0x50/0xa0 [ 32.250173][ T378] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.256108][ T378] RIP: 0033:0x7fbd56b9e017 [ 32.260622][ T378] Code: a2 c7 05 dc 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 [ 32.280363][ T378] RSP: 002b:00007ffdf841d9b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 32.288885][ T378] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fbd56b9e017 [ 32.297068][ T378] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdf841da70 [ 32.305134][ T378] RBP: 00007ffdf841da70 R08: 00007ffdf841ea70 R09: 00000000ffffffff [ 32.313209][ T378] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdf841eb00 [ 32.321382][ T378] R13: 00007fbd56c32120 R14: 0000000000007d06 R15: 00007ffdf841eb40 [ 32.329463][ T378] [ 32.332501][ T378] ---[ end trace 0000000000000000 ]--- [ 32.338187][ T378] ================================================================== [ 32.346303][ T378] BUG: KASAN: null-ptr-deref in ihold+0x24/0x70 [ 32.352619][ T378] Write of size 4 at addr 0000000000000168 by task syz-executor/378 [ 32.360699][ T378] [ 32.363028][ T378] CPU: 1 UID: 0 PID: 378 Comm: syz-executor Tainted: G W syzkaller #0 88ceac27f2f759e3bbd2a088bdce4bdb7d92b188 [ 32.363052][ T378] Tainted: [W]=WARN [ 32.363058][ T378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 32.363068][ T378] Call Trace: [ 32.363074][ T378] [ 32.363081][ T378] __dump_stack+0x21/0x30 [ 32.363109][ T378] dump_stack_lvl+0x140/0x1c0 [ 32.363132][ T378] ? __cfi_dump_stack_lvl+0x10/0x10 [ 32.363158][ T378] print_report+0x3d/0x70 [ 32.363181][ T378] kasan_report+0x162/0x1a0 [ 32.363202][ T378] ? ihold+0x24/0x70 [ 32.363221][ T378] ? _raw_spin_unlock+0x45/0x60 [ 32.363236][ T378] ? ihold+0x24/0x70 [ 32.363254][ T378] kasan_check_range+0x25a/0x2b0 [ 32.363275][ T378] __kasan_check_write+0x18/0x20 [ 32.363291][ T378] ihold+0x24/0x70 [ 32.363308][ T378] vfs_rmdir+0x26a/0x560 [ 32.363331][ T378] incfs_kill_sb+0x109/0x230 [ 32.363348][ T378] deactivate_locked_super+0xd5/0x2a0 [ 32.363372][ T378] deactivate_super+0xb8/0xe0 [ 32.363395][ T378] cleanup_mnt+0x406/0x4a0 [ 32.363415][ T378] __cleanup_mnt+0x1d/0x40 [ 32.363433][ T378] task_work_run+0x1e5/0x260 [ 32.363455][ T378] ? __cfi_task_work_run+0x10/0x10 [ 32.363476][ T378] ? __x64_sys_umount+0x12e/0x180 [ 32.363500][ T378] ? __cfi___x64_sys_umount+0x10/0x10 [ 32.363525][ T378] ? __kasan_check_read+0x15/0x20 [ 32.363540][ T378] resume_user_mode_work+0x35/0x50 [ 32.363555][ T378] syscall_exit_to_user_mode+0x63/0xb0 [ 32.363577][ T378] do_syscall_64+0x63/0xf0 [ 32.363591][ T378] ? clear_bhb_loop+0x50/0xa0 [ 32.363608][ T378] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.363625][ T378] RIP: 0033:0x7fbd56b9e017 [ 32.363639][ T378] Code: a2 c7 05 dc 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 [ 32.363653][ T378] RSP: 002b:00007ffdf841d9b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 32.363670][ T378] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fbd56b9e017 [ 32.363681][ T378] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdf841da70 [ 32.363691][ T378] RBP: 00007ffdf841da70 R08: 00007ffdf841ea70 R09: 00000000ffffffff [ 32.363703][ T378] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdf841eb00 [ 32.363713][ T378] R13: 00007fbd56c32120 R14: 0000000000007d06 R15: 00007ffdf841eb40 [ 32.363728][ T378] [ 32.363733][ T378] ================================================================== [ 32.611019][ T378] Disabling lock debugging due to kernel taint [ 32.617260][ T378] BUG: kernel NULL pointer dereference, address: 0000000000000168 [ 32.625102][ T378] #PF: supervisor write access in kernel mode [ 32.631275][ T378] #PF: error_code(0x0002) - not-present page [ 32.637352][ T378] PGD 800000010879b067 P4D 800000010879b067 PUD 0 [ 32.643881][ T378] Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI [ 32.649959][ T378] CPU: 1 UID: 0 PID: 378 Comm: syz-executor Tainted: G B W syzkaller #0 88ceac27f2f759e3bbd2a088bdce4bdb7d92b188 [ 32.663346][ T378] Tainted: [B]=BAD_PAGE, [W]=WARN [ 32.668386][ T378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 32.678558][ T378] RIP: 0010:ihold+0x2a/0x70 [ 32.683196][ T378] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 8d 86 95 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 6c 0c 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 [ 32.702901][ T378] RSP: 0018:ffffc90003b8fca0 EFLAGS: 00010246 [ 32.709000][ T378] RAX: ffff888125138000 RBX: 0000000000000000 RCX: ffff888125138000 [ 32.716983][ T378] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 32.724960][ T378] RBP: ffffc90003b8fcb0 R08: ffffffff88bba947 R09: 1ffffffff1177528 [ 32.732937][ T378] R10: dffffc0000000000 R11: fffffbfff1177529 R12: ffff888106f98f5c [ 32.740916][ T378] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 32.748904][ T378] FS: 0000555590442500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 32.757842][ T378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.764433][ T378] CR2: 0000000000000168 CR3: 000000010dff2000 CR4: 00000000003526b0 [ 32.772412][ T378] Call Trace: [ 32.775718][ T378] [ 32.778696][ T378] vfs_rmdir+0x26a/0x560 [ 32.782959][ T378] incfs_kill_sb+0x109/0x230 [ 32.787561][ T378] deactivate_locked_super+0xd5/0x2a0 [ 32.792982][ T378] deactivate_super+0xb8/0xe0 [ 32.797674][ T378] cleanup_mnt+0x406/0x4a0 [ 32.803233][ T378] __cleanup_mnt+0x1d/0x40 [ 32.807665][ T378] task_work_run+0x1e5/0x260 [ 32.812272][ T378] ? __cfi_task_work_run+0x10/0x10 [ 32.817400][ T378] ? __x64_sys_umount+0x12e/0x180 [ 32.822446][ T378] ? __cfi___x64_sys_umount+0x10/0x10 [ 32.827839][ T378] ? __kasan_check_read+0x15/0x20 [ 32.832875][ T378] resume_user_mode_work+0x35/0x50 [ 32.837995][ T378] syscall_exit_to_user_mode+0x63/0xb0 [ 32.843470][ T378] do_syscall_64+0x63/0xf0 [ 32.847921][ T378] ? clear_bhb_loop+0x50/0xa0 [ 32.852612][ T378] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 32.858539][ T378] RIP: 0033:0x7fbd56b9e017 [ 32.863050][ T378] Code: a2 c7 05 dc 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 [ 32.882666][ T378] RSP: 002b:00007ffdf841d9b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 32.891185][ T378] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fbd56b9e017 [ 32.899265][ T378] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdf841da70 [ 32.907284][ T378] RBP: 00007ffdf841da70 R08: 00007ffdf841ea70 R09: 00000000ffffffff [ 32.915269][ T378] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdf841eb00 [ 32.923301][ T378] R13: 00007fbd56c32120 R14: 0000000000007d06 R15: 00007ffdf841eb40 [ 32.931287][ T378] [ 32.934314][ T378] Modules linked in: [ 32.938287][ T378] CR2: 0000000000000168 [ 32.942447][ T378] ---[ end trace 0000000000000000 ]--- [ 32.947941][ T378] RIP: 0010:ihold+0x2a/0x70 [ 32.952467][ T378] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 8d 86 95 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 6c 0c 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 [ 32.972085][ T378] RSP: 0018:ffffc90003b8fca0 EFLAGS: 00010246 [ 32.978946][ T378] RAX: ffff888125138000 RBX: 0000000000000000 RCX: ffff888125138000 [ 32.986923][ T378] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 32.995076][ T378] RBP: ffffc90003b8fcb0 R08: ffffffff88bba947 R09: 1ffffffff1177528 [ 33.003057][ T378] R10: dffffc0000000000 R11: fffffbfff1177529 R12: ffff888106f98f5c [ 33.011040][ T378] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 33.019291][ T378] FS: 0000555590442500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 33.028230][ T378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.034826][ T378] CR2: 0000000000000168 CR3: 000000010dff2000 CR4: 00000000003526b0 [ 33.042811][ T378] Kernel panic - not syncing: Fatal exception [ 33.049089][ T378] Kernel Offset: disabled [ 33.053435][ T378] Rebooting in 86400 seconds..