Warning: Permanently added '10.128.1.125' (ED25519) to the list of known hosts. 2026/02/26 05:50:17 parsed 1 programs [ 22.863665][ T36] audit: type=1400 audit(1772085017.850:64): avc: denied { node_bind } for pid=291 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 24.442627][ T36] audit: type=1400 audit(1772085019.440:65): avc: denied { mounton } for pid=297 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 [ 24.447328][ T297] cgroup: Unknown subsys name 'net' [ 24.466264][ T36] audit: type=1400 audit(1772085019.440:66): avc: denied { mount } for pid=297 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 [ 24.492697][ T36] audit: type=1400 audit(1772085019.460:67): avc: denied { unmount } for pid=297 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 24.493328][ T297] cgroup: Unknown subsys name 'devices' [ 24.698781][ T297] cgroup: Unknown subsys name 'hugetlb' [ 24.704430][ T297] cgroup: Unknown subsys name 'rlimit' [ 24.810490][ T36] audit: type=1400 audit(1772085019.800:68): avc: denied { setattr } for pid=297 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 [ 24.834042][ T36] audit: type=1400 audit(1772085019.800:69): avc: denied { create } for pid=297 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 24.854535][ T36] audit: type=1400 audit(1772085019.800:70): avc: denied { write } for pid=297 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 24.875315][ T36] audit: type=1400 audit(1772085019.800:71): avc: denied { read } for pid=297 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 [ 24.895731][ T36] audit: type=1400 audit(1772085019.800:72): avc: denied { sys_module } for pid=297 comm="syz-executor" capability=16 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability permissive=1 [ 24.904699][ T302] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 24.917406][ T36] audit: type=1400 audit(1772085019.800:73): avc: denied { mounton } for pid=297 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 [ 24.958143][ T297] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 25.920948][ T304] 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. [ 26.206232][ T314] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.213495][ T314] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.220666][ T314] bridge_slave_0: entered allmulticast mode [ 26.227054][ T314] bridge_slave_0: entered promiscuous mode [ 26.233805][ T314] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.241151][ T314] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.248335][ T314] bridge_slave_1: entered allmulticast mode [ 26.254718][ T314] bridge_slave_1: entered promiscuous mode [ 26.315476][ T314] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.322619][ T314] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.329997][ T314] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.337180][ T314] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.360981][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.368324][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.379986][ T53] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.387139][ T53] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.397729][ T53] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.404811][ T53] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.430529][ T314] veth0_vlan: entered promiscuous mode [ 26.442835][ T314] veth1_macvtap: entered promiscuous mode [ 26.499314][ T324] bridge_slave_1: left allmulticast mode [ 26.505027][ T324] bridge_slave_1: left promiscuous mode [ 26.510976][ T324] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.518873][ T324] bridge_slave_0: left allmulticast mode [ 26.524524][ T324] bridge_slave_0: left promiscuous mode [ 26.530347][ T324] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.631158][ T324] veth1_macvtap: left promiscuous mode [ 26.636835][ T324] veth0_vlan: left promiscuous mode 2026/02/26 05:50:22 executed programs: 0 [ 27.640628][ T372] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.647921][ T372] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.654994][ T372] bridge_slave_0: entered allmulticast mode [ 27.661808][ T372] bridge_slave_0: entered promiscuous mode [ 27.669262][ T372] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.676354][ T372] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.683501][ T372] bridge_slave_1: entered allmulticast mode [ 27.689917][ T372] bridge_slave_1: entered promiscuous mode [ 27.739869][ T372] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.746977][ T372] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.754359][ T372] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.761457][ T372] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.783756][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.791270][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.801177][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.808280][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.818160][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.825245][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.853033][ T372] veth0_vlan: entered promiscuous mode [ 27.864480][ T372] veth1_macvtap: entered promiscuous mode [ 27.901977][ T36] kauditd_printk_skb: 32 callbacks suppressed [ 27.902051][ T36] audit: type=1400 audit(1772085022.890:106): avc: denied { unmount } for pid=372 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 27.902470][ T372] ------------[ cut here ]------------ [ 27.933994][ T372] WARNING: CPU: 0 PID: 372 at fs/inode.c:340 drop_nlink+0xce/0x110 [ 27.942013][ T372] Modules linked in: [ 27.945982][ T372] CPU: 0 UID: 0 PID: 372 Comm: syz-executor Not tainted syzkaller #0 37924e2d96e0adc5b49b5912cddbdf0b22b3a5de [ 27.957692][ T372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 27.967854][ T372] RIP: 0010:drop_nlink+0xce/0x110 [ 27.972950][ T372] Code: 04 00 00 be 08 00 00 00 e8 ff 21 ee ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d e9 c8 b1 af 03 cc e8 c2 3c 96 ff <0f> 0b eb 81 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 59 ff ff ff 4c [ 27.992663][ T372] RSP: 0018:ffffc90003aafc60 EFLAGS: 00010293 [ 27.998825][ T372] RAX: ffffffff81f15f5e RBX: ffff88812f58e958 RCX: ffff88812f47a600 [ 28.006908][ T372] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 28.014925][ T372] RBP: ffffc90003aafc88 R08: 0000000000000003 R09: 0000000000000004 [ 28.022985][ T372] R10: dffffc0000000000 R11: fffff52000755f7c R12: dffffc0000000000 [ 28.031054][ T372] R13: 1ffff11025eb1d34 R14: ffff88812f58e9a0 R15: 0000000000000000 [ 28.039097][ T372] FS: 000055558405e500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 28.048373][ T372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.055001][ T372] CR2: 0000555584081948 CR3: 0000000114432000 CR4: 00000000003526b0 [ 28.063079][ T372] Call Trace: [ 28.066431][ T372] [ 28.069384][ T372] shmem_rmdir+0x5f/0x90 [ 28.073632][ T372] vfs_rmdir+0x3e0/0x560 [ 28.077977][ T372] incfs_kill_sb+0x109/0x230 [ 28.082640][ T372] deactivate_locked_super+0xd5/0x2a0 [ 28.088078][ T372] deactivate_super+0xb8/0xe0 [ 28.092784][ T372] cleanup_mnt+0x406/0x4a0 [ 28.097297][ T372] __cleanup_mnt+0x1d/0x40 [ 28.101755][ T372] task_work_run+0x1e5/0x260 [ 28.106497][ T372] ? __cfi_task_work_run+0x10/0x10 [ 28.111644][ T372] ? __x64_sys_umount+0x12e/0x180 [ 28.116753][ T372] ? __cfi___x64_sys_umount+0x10/0x10 [ 28.122258][ T372] ? __kasan_check_read+0x15/0x20 [ 28.127370][ T372] resume_user_mode_work+0x35/0x50 [ 28.132536][ T372] syscall_exit_to_user_mode+0x63/0xb0 [ 28.138147][ T372] do_syscall_64+0x63/0xf0 [ 28.142591][ T372] ? clear_bhb_loop+0x50/0xa0 [ 28.147336][ T372] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 28.153444][ T372] RIP: 0033:0x7f23e8d9d897 [ 28.158192][ T372] Code: a2 c7 05 5c ee 24 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 [ 28.177946][ T372] RSP: 002b:00007ffeecdcd608 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 28.186432][ T372] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f23e8d9d897 [ 28.194469][ T372] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffeecdcd6c0 [ 28.202498][ T372] RBP: 00007ffeecdcd6c0 R08: 00007ffeecdce6c0 R09: 00000000ffffffff [ 28.210540][ T372] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffeecdce750 [ 28.218687][ T372] R13: 00007f23e8e31ef0 R14: 0000000000006ce0 R15: 00007ffeecdce790 [ 28.226855][ T372] [ 28.229879][ T372] ---[ end trace 0000000000000000 ]--- [ 28.235499][ T372] ================================================================== [ 28.243597][ T372] BUG: KASAN: null-ptr-deref in ihold+0x24/0x70 [ 28.249874][ T372] Write of size 4 at addr 0000000000000168 by task syz-executor/372 [ 28.257855][ T372] [ 28.260182][ T372] CPU: 1 UID: 0 PID: 372 Comm: syz-executor Tainted: G W syzkaller #0 37924e2d96e0adc5b49b5912cddbdf0b22b3a5de [ 28.260212][ T372] Tainted: [W]=WARN [ 28.260218][ T372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 28.260228][ T372] Call Trace: [ 28.260234][ T372] [ 28.260242][ T372] __dump_stack+0x21/0x30 [ 28.260265][ T372] dump_stack_lvl+0x140/0x1c0 [ 28.260285][ T372] ? __cfi_dump_stack_lvl+0x10/0x10 [ 28.260306][ T372] print_report+0x3d/0x70 [ 28.260325][ T372] kasan_report+0x162/0x1a0 [ 28.260350][ T372] ? ihold+0x24/0x70 [ 28.260373][ T372] ? _raw_spin_unlock+0x45/0x60 [ 28.260389][ T372] ? ihold+0x24/0x70 [ 28.260410][ T372] kasan_check_range+0x25a/0x2b0 [ 28.260435][ T372] __kasan_check_write+0x18/0x20 [ 28.260455][ T372] ihold+0x24/0x70 [ 28.260476][ T372] vfs_rmdir+0x26a/0x560 [ 28.260493][ T372] incfs_kill_sb+0x109/0x230 [ 28.260514][ T372] deactivate_locked_super+0xd5/0x2a0 [ 28.260531][ T372] deactivate_super+0xb8/0xe0 [ 28.260546][ T372] cleanup_mnt+0x406/0x4a0 [ 28.260570][ T372] __cleanup_mnt+0x1d/0x40 [ 28.260592][ T372] task_work_run+0x1e5/0x260 [ 28.260611][ T372] ? __cfi_task_work_run+0x10/0x10 [ 28.260629][ T372] ? __x64_sys_umount+0x12e/0x180 [ 28.260646][ T372] ? __cfi___x64_sys_umount+0x10/0x10 [ 28.260664][ T372] ? __kasan_check_read+0x15/0x20 [ 28.260683][ T372] resume_user_mode_work+0x35/0x50 [ 28.260706][ T372] syscall_exit_to_user_mode+0x63/0xb0 [ 28.260729][ T372] do_syscall_64+0x63/0xf0 [ 28.260744][ T372] ? clear_bhb_loop+0x50/0xa0 [ 28.260760][ T372] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 28.260786][ T372] RIP: 0033:0x7f23e8d9d897 [ 28.260800][ T372] Code: a2 c7 05 5c ee 24 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 [ 28.260814][ T372] RSP: 002b:00007ffeecdcd608 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 28.260831][ T372] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f23e8d9d897 [ 28.260842][ T372] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffeecdcd6c0 [ 28.260852][ T372] RBP: 00007ffeecdcd6c0 R08: 00007ffeecdce6c0 R09: 00000000ffffffff [ 28.260864][ T372] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffeecdce750 [ 28.260874][ T372] R13: 00007f23e8e31ef0 R14: 0000000000006ce0 R15: 00007ffeecdce790 [ 28.260888][ T372] [ 28.260894][ T372] ================================================================== [ 28.505586][ T372] Disabling lock debugging due to kernel taint [ 28.512255][ T372] BUG: kernel NULL pointer dereference, address: 0000000000000168 [ 28.520087][ T372] #PF: supervisor write access in kernel mode [ 28.526152][ T372] #PF: error_code(0x0002) - not-present page [ 28.532134][ T372] PGD 8000000133d63067 P4D 8000000133d63067 PUD 0 [ 28.538738][ T372] Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI [ 28.544808][ T372] CPU: 1 UID: 0 PID: 372 Comm: syz-executor Tainted: G B W syzkaller #0 37924e2d96e0adc5b49b5912cddbdf0b22b3a5de [ 28.558007][ T372] Tainted: [B]=BAD_PAGE, [W]=WARN [ 28.563043][ T372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 28.573095][ T372] RIP: 0010:ihold+0x2a/0x70 [ 28.577610][ T372] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 ad 33 96 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 bc 18 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 bd [ 28.597249][ T372] RSP: 0018:ffffc90003aafca0 EFLAGS: 00010246 [ 28.603320][ T372] RAX: ffff88812f47a600 RBX: 0000000000000000 RCX: ffff88812f47a600 [ 28.611290][ T372] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 28.619259][ T372] RBP: ffffc90003aafcb0 R08: ffffffff88b8c947 R09: 1ffffffff1171928 [ 28.627517][ T372] R10: dffffc0000000000 R11: fffffbfff1171929 R12: ffff88812f58e964 [ 28.635489][ T372] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 28.643455][ T372] FS: 000055558405e500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 28.652382][ T372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.658981][ T372] CR2: 0000000000000168 CR3: 0000000114432000 CR4: 00000000003526b0 [ 28.666959][ T372] Call Trace: [ 28.670250][ T372] [ 28.673186][ T372] vfs_rmdir+0x26a/0x560 [ 28.677443][ T372] incfs_kill_sb+0x109/0x230 [ 28.682061][ T372] deactivate_locked_super+0xd5/0x2a0 [ 28.687436][ T372] deactivate_super+0xb8/0xe0 [ 28.692117][ T372] cleanup_mnt+0x406/0x4a0 [ 28.696557][ T372] __cleanup_mnt+0x1d/0x40 [ 28.700981][ T372] task_work_run+0x1e5/0x260 [ 28.705584][ T372] ? __cfi_task_work_run+0x10/0x10 [ 28.710715][ T372] ? __x64_sys_umount+0x12e/0x180 [ 28.715741][ T372] ? __cfi___x64_sys_umount+0x10/0x10 [ 28.721114][ T372] ? __kasan_check_read+0x15/0x20 [ 28.726164][ T372] resume_user_mode_work+0x35/0x50 [ 28.731277][ T372] syscall_exit_to_user_mode+0x63/0xb0 [ 28.736746][ T372] do_syscall_64+0x63/0xf0 [ 28.741160][ T372] ? clear_bhb_loop+0x50/0xa0 [ 28.745841][ T372] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 28.751750][ T372] RIP: 0033:0x7f23e8d9d897 [ 28.756162][ T372] Code: a2 c7 05 5c ee 24 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 [ 28.775899][ T372] RSP: 002b:00007ffeecdcd608 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 28.784345][ T372] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f23e8d9d897 [ 28.792407][ T372] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffeecdcd6c0 [ 28.800471][ T372] RBP: 00007ffeecdcd6c0 R08: 00007ffeecdce6c0 R09: 00000000ffffffff [ 28.808446][ T372] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffeecdce750 [ 28.816418][ T372] R13: 00007f23e8e31ef0 R14: 0000000000006ce0 R15: 00007ffeecdce790 [ 28.824403][ T372] [ 28.827424][ T372] Modules linked in: [ 28.831328][ T372] CR2: 0000000000000168 [ 28.835483][ T372] ---[ end trace 0000000000000000 ]--- [ 28.840938][ T372] RIP: 0010:ihold+0x2a/0x70 [ 28.845454][ T372] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 ad 33 96 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 bc 18 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 bd [ 28.865055][ T372] RSP: 0018:ffffc90003aafca0 EFLAGS: 00010246 [ 28.871134][ T372] RAX: ffff88812f47a600 RBX: 0000000000000000 RCX: ffff88812f47a600 [ 28.879109][ T372] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 28.887113][ T372] RBP: ffffc90003aafcb0 R08: ffffffff88b8c947 R09: 1ffffffff1171928 [ 28.895092][ T372] R10: dffffc0000000000 R11: fffffbfff1171929 R12: ffff88812f58e964 [ 28.903082][ T372] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 28.911050][ T372] FS: 000055558405e500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 28.919977][ T372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.926566][ T372] CR2: 0000000000000168 CR3: 0000000114432000 CR4: 00000000003526b0 [ 28.934543][ T372] Kernel panic - not syncing: Fatal exception [ 28.941231][ T372] Kernel Offset: disabled [ 28.945559][ T372] Rebooting in 86400 seconds..