Warning: Permanently added '10.128.0.192' (ED25519) to the list of known hosts. 2026/05/18 10:29:32 parsed 1 programs [ 32.195796][ T36] audit: type=1400 audit(1779100172.240:64): 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 [ 33.813495][ T36] audit: type=1400 audit(1779100173.850:65): 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 [ 33.816983][ T310] cgroup: Unknown subsys name 'net' [ 33.836404][ T36] audit: type=1400 audit(1779100173.850:66): 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 [ 33.863574][ T36] audit: type=1400 audit(1779100173.880:67): 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 [ 33.864222][ T310] cgroup: Unknown subsys name 'devices' [ 34.047039][ T310] cgroup: Unknown subsys name 'hugetlb' [ 34.052685][ T310] cgroup: Unknown subsys name 'rlimit' [ 34.156598][ T36] audit: type=1400 audit(1779100174.200:68): 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 [ 34.179823][ T36] audit: type=1400 audit(1779100174.200:69): 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 [ 34.200538][ T36] audit: type=1400 audit(1779100174.200:70): 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 [ 34.220867][ T36] audit: type=1400 audit(1779100174.200:71): 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 [ 34.231695][ T313] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). Setting up swapspace version 1, size = 127995904 bytes [ 34.241702][ T36] audit: type=1400 audit(1779100174.200:72): 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 [ 34.270704][ T36] audit: type=1400 audit(1779100174.200:73): 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 [ 34.291162][ T310] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 35.265660][ 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. [ 35.488621][ T331] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.495794][ T331] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.502909][ T331] bridge_slave_0: entered allmulticast mode [ 35.509527][ T331] bridge_slave_0: entered promiscuous mode [ 35.529553][ T331] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.536710][ T331] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.543794][ T331] bridge_slave_1: entered allmulticast mode [ 35.550238][ T331] bridge_slave_1: entered promiscuous mode [ 35.601135][ T331] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.608273][ T331] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.615707][ T331] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.622782][ T331] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.644892][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.652311][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.663113][ T53] bridge0: port 1(bridge_slave_0) entered blocking state [ 35.670315][ T53] bridge0: port 1(bridge_slave_0) entered forwarding state [ 35.693978][ T331] veth0_vlan: entered promiscuous mode [ 35.702217][ T53] bridge0: port 2(bridge_slave_1) entered blocking state [ 35.709350][ T53] bridge0: port 2(bridge_slave_1) entered forwarding state [ 35.723138][ T331] veth1_macvtap: entered promiscuous mode [ 35.767580][ T13] bridge_slave_1: left allmulticast mode [ 35.776227][ T13] bridge_slave_1: left promiscuous mode [ 35.781929][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 35.790422][ T13] bridge_slave_0: left allmulticast mode [ 35.796255][ T13] bridge_slave_0: left promiscuous mode [ 35.801867][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 35.912876][ T13] veth1_macvtap: left promiscuous mode [ 35.918535][ T13] veth0_vlan: left promiscuous mode 2026/05/18 10:29:36 executed programs: 0 [ 36.783573][ T378] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.791234][ T378] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.798676][ T378] bridge_slave_0: entered allmulticast mode [ 36.805275][ T378] bridge_slave_0: entered promiscuous mode [ 36.812942][ T378] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.820130][ T378] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.827482][ T378] bridge_slave_1: entered allmulticast mode [ 36.834042][ T378] bridge_slave_1: entered promiscuous mode [ 36.882263][ T378] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.889583][ T378] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.896933][ T378] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.903988][ T378] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.926579][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 36.934015][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 36.943791][ T53] bridge0: port 1(bridge_slave_0) entered blocking state [ 36.950907][ T53] bridge0: port 1(bridge_slave_0) entered forwarding state [ 36.960149][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 36.967267][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 36.992818][ T378] veth0_vlan: entered promiscuous mode [ 37.004214][ T378] veth1_macvtap: entered promiscuous mode [ 37.038622][ T378] ------------[ cut here ]------------ [ 37.044215][ T378] WARNING: CPU: 0 PID: 378 at fs/inode.c:340 drop_nlink+0xce/0x110 [ 37.052225][ T378] Modules linked in: [ 37.056265][ T378] CPU: 0 UID: 0 PID: 378 Comm: syz-executor Not tainted syzkaller #0 d58365df94cd5f4886b4f3ec3f08a458f2157066 [ 37.068038][ T378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 37.078244][ T378] RIP: 0010:drop_nlink+0xce/0x110 [ 37.083337][ T378] 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 f2 83 95 ff <0f> 0b eb 81 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 59 ff ff ff 4c [ 37.103047][ T378] RSP: 0018:ffffc90003acfc60 EFLAGS: 00010293 [ 37.109332][ T378] RAX: ffffffff81f23fae RBX: ffff8881130f70c8 RCX: ffff888115948000 [ 37.117467][ T378] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 37.125542][ T378] RBP: ffffc90003acfc88 R08: 0000000000000003 R09: 0000000000000004 [ 37.133548][ T378] R10: dffffc0000000000 R11: fffff52000759f7c R12: dffffc0000000000 [ 37.141707][ T378] R13: 1ffff1102261ee22 R14: ffff8881130f7110 R15: 0000000000000000 [ 37.149812][ T378] FS: 0000555555a97500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 37.158869][ T378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.165568][ T378] CR2: 0000555555aba958 CR3: 00000001159d2000 CR4: 00000000003526b0 [ 37.173586][ T378] Call Trace: [ 37.176951][ T378] [ 37.179922][ T378] shmem_rmdir+0x5f/0x90 [ 37.184189][ T378] vfs_rmdir+0x3e0/0x560 [ 37.188534][ T378] incfs_kill_sb+0x109/0x230 [ 37.193160][ T378] deactivate_locked_super+0xd8/0x2a0 [ 37.198643][ T378] deactivate_super+0xb8/0xe0 [ 37.203535][ T378] cleanup_mnt+0x406/0x4a0 [ 37.208063][ T378] __cleanup_mnt+0x1d/0x40 [ 37.212516][ T378] task_work_run+0x1e5/0x260 [ 37.217199][ T378] ? __cfi_task_work_run+0x10/0x10 [ 37.222355][ T378] ? __x64_sys_umount+0x12e/0x180 [ 37.227598][ T378] ? __cfi___x64_sys_umount+0x10/0x10 [ 37.233086][ T378] ? __kasan_check_read+0x15/0x20 [ 37.238239][ T378] resume_user_mode_work+0x35/0x50 [ 37.243431][ T378] syscall_exit_to_user_mode+0x63/0xb0 [ 37.248987][ T378] do_syscall_64+0x63/0xf0 [ 37.253481][ T378] ? clear_bhb_loop+0x50/0xa0 [ 37.258288][ T378] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 37.264221][ T378] RIP: 0033:0x7f01dab9e097 [ 37.268745][ T378] 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 [ 37.288519][ T378] RSP: 002b:00007ffc506c7df8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 37.297069][ T378] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f01dab9e097 [ 37.305187][ T378] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc506c7eb0 [ 37.313192][ T378] RBP: 00007ffc506c7eb0 R08: 00007ffc506c8eb0 R09: 00000000ffffffff [ 37.321233][ T378] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc506c8f40 [ 37.329289][ T378] R13: 00007f01dac321ca R14: 0000000000009091 R15: 00007ffc506c8f80 [ 37.337361][ T378] [ 37.340409][ T378] ---[ end trace 0000000000000000 ]--- [ 37.346369][ T378] ================================================================== [ 37.354656][ T378] BUG: KASAN: null-ptr-deref in ihold+0x24/0x70 [ 37.361000][ T378] Write of size 4 at addr 0000000000000168 by task syz-executor/378 [ 37.368975][ T378] [ 37.371306][ T378] CPU: 1 UID: 0 PID: 378 Comm: syz-executor Tainted: G W syzkaller #0 d58365df94cd5f4886b4f3ec3f08a458f2157066 [ 37.371331][ T378] Tainted: [W]=WARN [ 37.371337][ T378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 37.371347][ T378] Call Trace: [ 37.371354][ T378] [ 37.371361][ T378] __dump_stack+0x21/0x30 [ 37.371388][ T378] dump_stack_lvl+0x140/0x1c0 [ 37.371412][ T378] ? __cfi_dump_stack_lvl+0x10/0x10 [ 37.371438][ T378] print_report+0x3d/0x70 [ 37.371460][ T378] kasan_report+0x162/0x1a0 [ 37.371482][ T378] ? ihold+0x24/0x70 [ 37.371507][ T378] ? _raw_spin_unlock+0x45/0x60 [ 37.371523][ T378] ? ihold+0x24/0x70 [ 37.371542][ T378] kasan_check_range+0x25a/0x2b0 [ 37.371564][ T378] __kasan_check_write+0x18/0x20 [ 37.371581][ T378] ihold+0x24/0x70 [ 37.371599][ T378] vfs_rmdir+0x26a/0x560 [ 37.371623][ T378] incfs_kill_sb+0x109/0x230 [ 37.371640][ T378] deactivate_locked_super+0xd8/0x2a0 [ 37.371665][ T378] deactivate_super+0xb8/0xe0 [ 37.371687][ T378] cleanup_mnt+0x406/0x4a0 [ 37.371708][ T378] __cleanup_mnt+0x1d/0x40 [ 37.371728][ T378] task_work_run+0x1e5/0x260 [ 37.371751][ T378] ? __cfi_task_work_run+0x10/0x10 [ 37.371773][ T378] ? __x64_sys_umount+0x12e/0x180 [ 37.371798][ T378] ? __cfi___x64_sys_umount+0x10/0x10 [ 37.371823][ T378] ? __kasan_check_read+0x15/0x20 [ 37.371840][ T378] resume_user_mode_work+0x35/0x50 [ 37.371856][ T378] syscall_exit_to_user_mode+0x63/0xb0 [ 37.371880][ T378] do_syscall_64+0x63/0xf0 [ 37.371896][ T378] ? clear_bhb_loop+0x50/0xa0 [ 37.371916][ T378] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 37.371935][ T378] RIP: 0033:0x7f01dab9e097 [ 37.371950][ T378] 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 [ 37.371963][ T378] RSP: 002b:00007ffc506c7df8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 37.371981][ T378] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f01dab9e097 [ 37.371993][ T378] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc506c7eb0 [ 37.372004][ T378] RBP: 00007ffc506c7eb0 R08: 00007ffc506c8eb0 R09: 00000000ffffffff [ 37.372016][ T378] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc506c8f40 [ 37.372028][ T378] R13: 00007f01dac321ca R14: 0000000000009091 R15: 00007ffc506c8f80 [ 37.372042][ T378] [ 37.372048][ T378] ================================================================== [ 37.617781][ T378] Disabling lock debugging due to kernel taint [ 37.624018][ T378] BUG: kernel NULL pointer dereference, address: 0000000000000168 [ 37.631831][ T378] #PF: supervisor write access in kernel mode [ 37.637904][ T378] #PF: error_code(0x0002) - not-present page [ 37.643883][ T378] PGD 80000001138d6067 P4D 80000001138d6067 PUD 0 [ 37.650604][ T378] Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI [ 37.656688][ T378] CPU: 1 UID: 0 PID: 378 Comm: syz-executor Tainted: G B W syzkaller #0 d58365df94cd5f4886b4f3ec3f08a458f2157066 [ 37.669811][ T378] Tainted: [B]=BAD_PAGE, [W]=WARN [ 37.674835][ T378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 37.684918][ T378] RIP: 0010:ihold+0x2a/0x70 [ 37.689456][ T378] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 dd 7a 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 ed [ 37.709064][ T378] RSP: 0018:ffffc90003acfca0 EFLAGS: 00010246 [ 37.715138][ T378] RAX: ffff888115948000 RBX: 0000000000000000 RCX: ffff888115948000 [ 37.723113][ T378] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 37.731088][ T378] RBP: ffffc90003acfcb0 R08: ffffffff88bba947 R09: 1ffffffff1177528 [ 37.739076][ T378] R10: dffffc0000000000 R11: fffffbfff1177529 R12: ffff8881130f70d4 [ 37.747063][ T378] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 37.755076][ T378] FS: 0000555555a97500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 37.764015][ T378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 37.770609][ T378] CR2: 0000000000000168 CR3: 00000001159d2000 CR4: 00000000003526b0 [ 37.778588][ T378] Call Trace: [ 37.781868][ T378] [ 37.784798][ T378] vfs_rmdir+0x26a/0x560 [ 37.789063][ T378] incfs_kill_sb+0x109/0x230 [ 37.793659][ T378] deactivate_locked_super+0xd8/0x2a0 [ 37.799053][ T378] deactivate_super+0xb8/0xe0 [ 37.803762][ T378] cleanup_mnt+0x406/0x4a0 [ 37.808189][ T378] __cleanup_mnt+0x1d/0x40 [ 37.812615][ T378] task_work_run+0x1e5/0x260 [ 37.817213][ T378] ? __cfi_task_work_run+0x10/0x10 [ 37.822332][ T378] ? __x64_sys_umount+0x12e/0x180 [ 37.827371][ T378] ? __cfi___x64_sys_umount+0x10/0x10 [ 37.832766][ T378] ? __kasan_check_read+0x15/0x20 [ 37.837822][ T378] resume_user_mode_work+0x35/0x50 [ 37.842951][ T378] syscall_exit_to_user_mode+0x63/0xb0 [ 37.848428][ T378] do_syscall_64+0x63/0xf0 [ 37.852850][ T378] ? clear_bhb_loop+0x50/0xa0 [ 37.857553][ T378] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 37.863451][ T378] RIP: 0033:0x7f01dab9e097 [ 37.867888][ T378] 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 [ 37.887513][ T378] RSP: 002b:00007ffc506c7df8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 37.895926][ T378] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f01dab9e097 [ 37.903987][ T378] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc506c7eb0 [ 37.911955][ T378] RBP: 00007ffc506c7eb0 R08: 00007ffc506c8eb0 R09: 00000000ffffffff [ 37.919925][ T378] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc506c8f40 [ 37.927893][ T378] R13: 00007f01dac321ca R14: 0000000000009091 R15: 00007ffc506c8f80 [ 37.935872][ T378] [ 37.938892][ T378] Modules linked in: [ 37.942801][ T378] CR2: 0000000000000168 [ 37.946949][ T378] ---[ end trace 0000000000000000 ]--- [ 37.952421][ T378] RIP: 0010:ihold+0x2a/0x70 [ 37.956954][ T378] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 dd 7a 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 ed [ 37.976572][ T378] RSP: 0018:ffffc90003acfca0 EFLAGS: 00010246 [ 37.982651][ T378] RAX: ffff888115948000 RBX: 0000000000000000 RCX: ffff888115948000 [ 37.990623][ T378] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 37.998622][ T378] RBP: ffffc90003acfcb0 R08: ffffffff88bba947 R09: 1ffffffff1177528 [ 38.006602][ T378] R10: dffffc0000000000 R11: fffffbfff1177529 R12: ffff8881130f70d4 [ 38.014579][ T378] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 38.022566][ T378] FS: 0000555555a97500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 38.031500][ T378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.038084][ T378] CR2: 0000000000000168 CR3: 00000001159d2000 CR4: 00000000003526b0 [ 38.046232][ T378] Kernel panic - not syncing: Fatal exception [ 38.052963][ T378] Kernel Offset: disabled [ 38.057295][ T378] Rebooting in 86400 seconds..