Warning: Permanently added '10.128.0.165' (ED25519) to the list of known hosts. 2026/05/31 00:50:30 parsed 1 programs [ 26.371402][ T36] audit: type=1400 audit(1780188630.500:64): 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 [ 27.884449][ T36] audit: type=1400 audit(1780188632.010:65): 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 [ 27.888434][ T311] cgroup: Unknown subsys name 'net' [ 27.907149][ T36] audit: type=1400 audit(1780188632.010:66): 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 [ 27.934551][ T36] audit: type=1400 audit(1780188632.050:67): 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 [ 27.935099][ T311] cgroup: Unknown subsys name 'devices' [ 28.059645][ T311] cgroup: Unknown subsys name 'hugetlb' [ 28.065315][ T311] cgroup: Unknown subsys name 'rlimit' [ 28.170759][ T36] audit: type=1400 audit(1780188632.300:68): 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 [ 28.193993][ T36] audit: type=1400 audit(1780188632.300:69): 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 [ 28.214608][ T36] audit: type=1400 audit(1780188632.300:70): 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 [ 28.235136][ T36] audit: type=1400 audit(1780188632.300:71): 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 [ 28.242127][ T313] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). Setting up swapspace version 1, size = 127995904 bytes [ 28.256112][ T36] audit: type=1400 audit(1780188632.300:72): 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 [ 28.285106][ T36] audit: type=1400 audit(1780188632.300:73): 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 [ 28.320276][ T311] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 29.241129][ 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. [ 29.362430][ T320] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.369562][ T320] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.376644][ T320] bridge_slave_0: entered allmulticast mode [ 29.383072][ T320] bridge_slave_0: entered promiscuous mode [ 29.389623][ T320] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.396668][ T320] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.404123][ T320] bridge_slave_1: entered allmulticast mode [ 29.410535][ T320] bridge_slave_1: entered promiscuous mode [ 29.460091][ T320] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.467173][ T320] bridge0: port 2(bridge_slave_1) entered forwarding state [ 29.474613][ T320] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.481761][ T320] bridge0: port 1(bridge_slave_0) entered forwarding state [ 29.503582][ T44] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.511066][ T44] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.521307][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.528412][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 29.538091][ T44] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.545151][ T44] bridge0: port 2(bridge_slave_1) entered forwarding state [ 29.571394][ T320] veth0_vlan: entered promiscuous mode [ 29.583132][ T320] veth1_macvtap: entered promiscuous mode [ 29.649356][ T44] bridge_slave_1: left allmulticast mode [ 29.655084][ T44] bridge_slave_1: left promiscuous mode [ 29.661081][ T44] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.671629][ T44] bridge_slave_0: left allmulticast mode [ 29.678646][ T44] bridge_slave_0: left promiscuous mode [ 29.685723][ T44] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.817834][ T44] veth1_macvtap: left promiscuous mode [ 29.823461][ T44] veth0_vlan: left promiscuous mode 2026/05/31 00:50:34 executed programs: 0 [ 30.829069][ T377] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.836150][ T377] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.843409][ T377] bridge_slave_0: entered allmulticast mode [ 30.849888][ T377] bridge_slave_0: entered promiscuous mode [ 30.856309][ T377] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.863421][ T377] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.870520][ T377] bridge_slave_1: entered allmulticast mode [ 30.876758][ T377] bridge_slave_1: entered promiscuous mode [ 30.925234][ T377] bridge0: port 2(bridge_slave_1) entered blocking state [ 30.932331][ T377] bridge0: port 2(bridge_slave_1) entered forwarding state [ 30.939706][ T377] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.946760][ T377] bridge0: port 1(bridge_slave_0) entered forwarding state [ 30.968601][ T44] bridge0: port 1(bridge_slave_0) entered disabled state [ 30.975954][ T44] bridge0: port 2(bridge_slave_1) entered disabled state [ 30.985580][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 30.992691][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 31.011311][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 31.018413][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 31.033675][ T377] veth0_vlan: entered promiscuous mode [ 31.045168][ T377] veth1_macvtap: entered promiscuous mode [ 31.079607][ T377] ------------[ cut here ]------------ [ 31.085119][ T377] WARNING: CPU: 0 PID: 377 at fs/inode.c:340 drop_nlink+0xce/0x110 [ 31.093150][ T377] Modules linked in: [ 31.097104][ T377] CPU: 0 UID: 0 PID: 377 Comm: syz-executor Not tainted syzkaller #0 29c6904b08c3b1e8518f4116e2e8016f6159917e [ 31.108829][ T377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 31.118990][ T377] RIP: 0010:drop_nlink+0xce/0x110 [ 31.124064][ T377] 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 [ 31.143898][ T377] RSP: 0018:ffffc90001a7fc60 EFLAGS: 00010293 [ 31.150081][ T377] RAX: ffffffff81f2597e RBX: ffff888114ef3bf0 RCX: ffff88811514cc00 [ 31.158195][ T377] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 31.166212][ T377] RBP: ffffc90001a7fc88 R08: 0000000000000003 R09: 0000000000000004 [ 31.174270][ T377] R10: dffffc0000000000 R11: fffff5200034ff7c R12: dffffc0000000000 [ 31.182313][ T377] R13: 1ffff110229de787 R14: ffff888114ef3c38 R15: 0000000000000000 [ 31.190363][ T377] FS: 000055556efbc500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 31.199353][ T377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.205952][ T377] CR2: 000055556efdf958 CR3: 0000000130512000 CR4: 00000000003526b0 [ 31.214034][ T377] Call Trace: [ 31.217391][ T377] [ 31.220367][ T377] shmem_rmdir+0x5f/0x90 [ 31.224632][ T377] vfs_rmdir+0x3e3/0x560 [ 31.228979][ T377] incfs_kill_sb+0x109/0x230 [ 31.233606][ T377] deactivate_locked_super+0xd5/0x2a0 [ 31.239066][ T377] deactivate_super+0xb8/0xe0 [ 31.243787][ T377] cleanup_mnt+0x406/0x4a0 [ 31.248286][ T377] __cleanup_mnt+0x1d/0x40 [ 31.252774][ T377] task_work_run+0x1e5/0x260 [ 31.257423][ T377] ? __cfi_task_work_run+0x10/0x10 [ 31.262570][ T377] ? __x64_sys_umount+0x12e/0x180 [ 31.267697][ T377] ? __cfi___x64_sys_umount+0x10/0x10 [ 31.273112][ T377] ? __kasan_check_read+0x15/0x20 [ 31.278224][ T377] resume_user_mode_work+0x35/0x50 [ 31.283379][ T377] syscall_exit_to_user_mode+0x63/0xb0 [ 31.288989][ T377] do_syscall_64+0x63/0xf0 [ 31.293449][ T377] ? clear_bhb_loop+0x50/0xa0 [ 31.298192][ T377] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.304120][ T377] RIP: 0033:0x7f735a99e097 [ 31.308609][ T377] 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 [ 31.328320][ T377] RSP: 002b:00007fff5bf4aca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 31.336747][ T377] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f735a99e097 [ 31.344852][ T377] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff5bf4ad60 [ 31.352881][ T377] RBP: 00007fff5bf4ad60 R08: 00007fff5bf4bd60 R09: 00000000ffffffff [ 31.360929][ T377] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff5bf4bdf0 [ 31.368951][ T377] R13: 00007f735aa321ca R14: 0000000000007952 R15: 00007fff5bf4be30 [ 31.376939][ T377] [ 31.380048][ T377] ---[ end trace 0000000000000000 ]--- [ 31.385876][ T377] ================================================================== [ 31.394079][ T377] BUG: KASAN: null-ptr-deref in ihold+0x24/0x70 [ 31.400343][ T377] Write of size 4 at addr 0000000000000168 by task syz-executor/377 [ 31.408320][ T377] [ 31.410651][ T377] CPU: 1 UID: 0 PID: 377 Comm: syz-executor Tainted: G W syzkaller #0 29c6904b08c3b1e8518f4116e2e8016f6159917e [ 31.410675][ T377] Tainted: [W]=WARN [ 31.410680][ T377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 31.410690][ T377] Call Trace: [ 31.410696][ T377] [ 31.410703][ T377] __dump_stack+0x21/0x30 [ 31.410729][ T377] dump_stack_lvl+0x140/0x1c0 [ 31.410752][ T377] ? __cfi_dump_stack_lvl+0x10/0x10 [ 31.410776][ T377] print_report+0x3d/0x70 [ 31.410804][ T377] kasan_report+0x162/0x1a0 [ 31.410824][ T377] ? ihold+0x24/0x70 [ 31.410843][ T377] ? _raw_spin_unlock+0x45/0x60 [ 31.410859][ T377] ? ihold+0x24/0x70 [ 31.410876][ T377] kasan_check_range+0x25a/0x2b0 [ 31.410897][ T377] __kasan_check_write+0x18/0x20 [ 31.410912][ T377] ihold+0x24/0x70 [ 31.410929][ T377] vfs_rmdir+0x26a/0x560 [ 31.410951][ T377] incfs_kill_sb+0x109/0x230 [ 31.410968][ T377] deactivate_locked_super+0xd5/0x2a0 [ 31.410990][ T377] deactivate_super+0xb8/0xe0 [ 31.411012][ T377] cleanup_mnt+0x406/0x4a0 [ 31.411032][ T377] __cleanup_mnt+0x1d/0x40 [ 31.411049][ T377] task_work_run+0x1e5/0x260 [ 31.411071][ T377] ? __cfi_task_work_run+0x10/0x10 [ 31.411091][ T377] ? __x64_sys_umount+0x12e/0x180 [ 31.411115][ T377] ? __cfi___x64_sys_umount+0x10/0x10 [ 31.411139][ T377] ? __kasan_check_read+0x15/0x20 [ 31.411154][ T377] resume_user_mode_work+0x35/0x50 [ 31.411169][ T377] syscall_exit_to_user_mode+0x63/0xb0 [ 31.411192][ T377] do_syscall_64+0x63/0xf0 [ 31.411207][ T377] ? clear_bhb_loop+0x50/0xa0 [ 31.411227][ T377] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.411245][ T377] RIP: 0033:0x7f735a99e097 [ 31.411258][ T377] 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 [ 31.411271][ T377] RSP: 002b:00007fff5bf4aca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 31.411287][ T377] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f735a99e097 [ 31.411298][ T377] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff5bf4ad60 [ 31.411308][ T377] RBP: 00007fff5bf4ad60 R08: 00007fff5bf4bd60 R09: 00000000ffffffff [ 31.411319][ T377] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff5bf4bdf0 [ 31.411329][ T377] R13: 00007f735aa321ca R14: 0000000000007952 R15: 00007fff5bf4be30 [ 31.411342][ T377] [ 31.411348][ T377] ================================================================== [ 31.656234][ T377] Disabling lock debugging due to kernel taint [ 31.663649][ T377] BUG: kernel NULL pointer dereference, address: 0000000000000168 [ 31.671498][ T377] #PF: supervisor write access in kernel mode [ 31.677571][ T377] #PF: error_code(0x0002) - not-present page [ 31.683549][ T377] PGD 800000010c766067 P4D 800000010c766067 PUD 0 [ 31.690068][ T377] Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI [ 31.696137][ T377] CPU: 0 UID: 0 PID: 377 Comm: syz-executor Tainted: G B W syzkaller #0 29c6904b08c3b1e8518f4116e2e8016f6159917e [ 31.709265][ T377] Tainted: [B]=BAD_PAGE, [W]=WARN [ 31.714284][ T377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 [ 31.724342][ T377] RIP: 0010:ihold+0x2a/0x70 [ 31.728866][ T377] 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 [ 31.748478][ T377] RSP: 0018:ffffc90001a7fca0 EFLAGS: 00010246 [ 31.754551][ T377] RAX: ffff88811514cc00 RBX: 0000000000000000 RCX: ffff88811514cc00 [ 31.762563][ T377] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 31.770539][ T377] RBP: ffffc90001a7fcb0 R08: ffffffff88bbb947 R09: 1ffffffff1177728 [ 31.778546][ T377] R10: dffffc0000000000 R11: fffffbfff1177729 R12: ffff888114ef3bfc [ 31.786524][ T377] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 31.794500][ T377] FS: 000055556efbc500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 31.803436][ T377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.810057][ T377] CR2: 0000000000000168 CR3: 0000000130512000 CR4: 00000000003526b0 [ 31.818044][ T377] Call Trace: [ 31.821331][ T377] [ 31.824285][ T377] vfs_rmdir+0x26a/0x560 [ 31.828541][ T377] incfs_kill_sb+0x109/0x230 [ 31.833136][ T377] deactivate_locked_super+0xd5/0x2a0 [ 31.838523][ T377] deactivate_super+0xb8/0xe0 [ 31.843213][ T377] cleanup_mnt+0x406/0x4a0 [ 31.847638][ T377] __cleanup_mnt+0x1d/0x40 [ 31.852063][ T377] task_work_run+0x1e5/0x260 [ 31.856672][ T377] ? __cfi_task_work_run+0x10/0x10 [ 31.861801][ T377] ? __x64_sys_umount+0x12e/0x180 [ 31.866847][ T377] ? __cfi___x64_sys_umount+0x10/0x10 [ 31.872237][ T377] ? __kasan_check_read+0x15/0x20 [ 31.877288][ T377] resume_user_mode_work+0x35/0x50 [ 31.882421][ T377] syscall_exit_to_user_mode+0x63/0xb0 [ 31.887914][ T377] do_syscall_64+0x63/0xf0 [ 31.892339][ T377] ? clear_bhb_loop+0x50/0xa0 [ 31.897058][ T377] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.902964][ T377] RIP: 0033:0x7f735a99e097 [ 31.907409][ T377] 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 [ 31.927040][ T377] RSP: 002b:00007fff5bf4aca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 31.935474][ T377] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f735a99e097 [ 31.943460][ T377] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff5bf4ad60 [ 31.951440][ T377] RBP: 00007fff5bf4ad60 R08: 00007fff5bf4bd60 R09: 00000000ffffffff [ 31.959427][ T377] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff5bf4bdf0 [ 31.967420][ T377] R13: 00007f735aa321ca R14: 0000000000007952 R15: 00007fff5bf4be30 [ 31.975421][ T377] [ 31.978447][ T377] Modules linked in: [ 31.982357][ T377] CR2: 0000000000000168 [ 31.986514][ T377] ---[ end trace 0000000000000000 ]--- [ 31.991975][ T377] RIP: 0010:ihold+0x2a/0x70 [ 31.996497][ T377] 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 [ 32.016114][ T377] RSP: 0018:ffffc90001a7fca0 EFLAGS: 00010246 [ 32.022191][ T377] RAX: ffff88811514cc00 RBX: 0000000000000000 RCX: ffff88811514cc00 [ 32.030171][ T377] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 32.038147][ T377] RBP: ffffc90001a7fcb0 R08: ffffffff88bbb947 R09: 1ffffffff1177728 [ 32.046124][ T377] R10: dffffc0000000000 R11: fffffbfff1177729 R12: ffff888114ef3bfc [ 32.054108][ T377] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 32.062131][ T377] FS: 000055556efbc500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 32.071097][ T377] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.077686][ T377] CR2: 0000000000000168 CR3: 0000000130512000 CR4: 00000000003526b0 [ 32.085678][ T377] Kernel panic - not syncing: Fatal exception [ 32.091917][ T377] Kernel Offset: disabled [ 32.096254][ T377] Rebooting in 86400 seconds..