Warning: Permanently added '10.128.0.183' (ED25519) to the list of known hosts. 2025/10/26 07:20:22 parsed 1 programs [ 24.920529][ T36] audit: type=1400 audit(1761463222.010:64): avc: denied { node_bind } for pid=290 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 26.390904][ T36] audit: type=1400 audit(1761463223.480:65): avc: denied { mounton } for pid=298 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 [ 26.392313][ T298] cgroup: Unknown subsys name 'net' [ 26.413586][ T36] audit: type=1400 audit(1761463223.480:66): avc: denied { mount } for pid=298 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 [ 26.440913][ T36] audit: type=1400 audit(1761463223.510:67): avc: denied { unmount } for pid=298 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 26.441212][ T298] cgroup: Unknown subsys name 'devices' [ 26.580763][ T298] cgroup: Unknown subsys name 'hugetlb' [ 26.586450][ T298] cgroup: Unknown subsys name 'rlimit' [ 26.710103][ T36] audit: type=1400 audit(1761463223.800:68): avc: denied { setattr } for pid=298 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 [ 26.733492][ T36] audit: type=1400 audit(1761463223.800:69): avc: denied { create } for pid=298 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 26.753953][ T36] audit: type=1400 audit(1761463223.800:70): avc: denied { write } for pid=298 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 26.774356][ T36] audit: type=1400 audit(1761463223.800:71): avc: denied { read } for pid=298 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 26.786607][ T300] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 26.794620][ T36] audit: type=1400 audit(1761463223.800:72): avc: denied { sys_module } for pid=298 comm="syz-executor" capability=16 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability permissive=1 [ 26.824100][ T36] audit: type=1400 audit(1761463223.800:73): avc: denied { mounton } for pid=298 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 [ 26.855848][ T298] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 27.745028][ T303] 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. [ 28.206974][ T334] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.214112][ T334] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.221235][ T334] bridge_slave_0: entered allmulticast mode [ 28.227513][ T334] bridge_slave_0: entered promiscuous mode [ 28.234146][ T334] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.241233][ T334] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.248374][ T334] bridge_slave_1: entered allmulticast mode [ 28.254625][ T334] bridge_slave_1: entered promiscuous mode [ 28.308187][ T334] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.315270][ T334] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.322612][ T334] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.329711][ T334] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.359632][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.367054][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.378257][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 28.385334][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 28.395671][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 28.402768][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 28.427340][ T334] veth0_vlan: entered promiscuous mode [ 28.440068][ T334] veth1_macvtap: entered promiscuous mode [ 28.520402][ T13] bridge_slave_1: left allmulticast mode [ 28.526121][ T13] bridge_slave_1: left promiscuous mode [ 28.532334][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 28.540447][ T13] bridge_slave_0: left allmulticast mode [ 28.546139][ T13] bridge_slave_0: left promiscuous mode [ 28.551872][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 28.680987][ T13] veth1_macvtap: left promiscuous mode [ 28.688083][ T13] veth0_vlan: left promiscuous mode 2025/10/26 07:20:26 executed programs: 0 [ 29.306670][ T372] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.314056][ T372] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.321235][ T372] bridge_slave_0: entered allmulticast mode [ 29.327486][ T372] bridge_slave_0: entered promiscuous mode [ 29.333879][ T372] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.340953][ T372] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.348062][ T372] bridge_slave_1: entered allmulticast mode [ 29.354303][ T372] bridge_slave_1: entered promiscuous mode [ 29.405523][ T372] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.412624][ T372] bridge0: port 2(bridge_slave_1) entered forwarding state [ 29.419974][ T372] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.427027][ T372] bridge0: port 1(bridge_slave_0) entered forwarding state [ 29.449265][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 29.456549][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 29.465804][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 29.472910][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 29.482410][ T46] bridge0: port 2(bridge_slave_1) entered blocking state [ 29.489583][ T46] bridge0: port 2(bridge_slave_1) entered forwarding state [ 29.514409][ T372] veth0_vlan: entered promiscuous mode [ 29.525587][ T372] veth1_macvtap: entered promiscuous mode [ 29.557046][ T372] ------------[ cut here ]------------ [ 29.562600][ T372] WARNING: CPU: 0 PID: 372 at fs/inode.c:340 drop_nlink+0xce/0x110 [ 29.570576][ T372] Modules linked in: [ 29.574513][ T372] CPU: 0 UID: 0 PID: 372 Comm: syz-executor Not tainted syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 29.586184][ T372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 29.596406][ T372] RIP: 0010:drop_nlink+0xce/0x110 [ 29.601501][ T372] Code: 04 00 00 be 08 00 00 00 e8 cf 54 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 32 e4 97 ff <0f> 0b eb 81 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 59 ff ff ff 4c [ 29.621220][ T372] RSP: 0018:ffffc90004427c60 EFLAGS: 00010293 [ 29.627335][ T372] RAX: ffffffff81ee1a7e RBX: ffff88812271c428 RCX: ffff888127854c00 [ 29.635374][ T372] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 29.643414][ T372] RBP: ffffc90004427c88 R08: 0000000000000003 R09: 0000000000000004 [ 29.651452][ T372] R10: dffffc0000000000 R11: fffff52000884f7c R12: dffffc0000000000 [ 29.659510][ T372] R13: 1ffff110244e388e R14: ffff88812271c470 R15: 0000000000000000 [ 29.667560][ T372] FS: 0000555587f1f500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 29.676660][ T372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.683398][ T372] CR2: 0000555587f424e8 CR3: 000000011509a000 CR4: 00000000003526b0 [ 29.691458][ T372] Call Trace: [ 29.694753][ T372] [ 29.697687][ T372] shmem_rmdir+0x5f/0x90 [ 29.701994][ T372] vfs_rmdir+0x3dd/0x560 [ 29.706265][ T372] incfs_kill_sb+0x109/0x230 [ 29.710933][ T372] deactivate_locked_super+0xd5/0x2a0 [ 29.716454][ T372] deactivate_super+0xb8/0xe0 [ 29.721259][ T372] cleanup_mnt+0x3f1/0x480 [ 29.725761][ T372] __cleanup_mnt+0x1d/0x40 [ 29.730293][ T372] task_work_run+0x1e0/0x250 [ 29.735029][ T372] ? __cfi_task_work_run+0x10/0x10 [ 29.740319][ T372] ? __x64_sys_umount+0x126/0x170 [ 29.745387][ T372] ? __cfi___x64_sys_umount+0x10/0x10 [ 29.750948][ T372] ? __kasan_check_read+0x15/0x20 [ 29.756026][ T372] resume_user_mode_work+0x36/0x50 [ 29.761214][ T372] syscall_exit_to_user_mode+0x64/0xb0 [ 29.766804][ T372] do_syscall_64+0x64/0xf0 [ 29.771445][ T372] ? clear_bhb_loop+0x50/0xa0 [ 29.776168][ T372] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 29.782214][ T372] RIP: 0033:0x7f92df5902f7 [ 29.786678][ T372] Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 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 a8 ff ff ff f7 d8 64 89 02 b8 [ 29.806468][ T372] RSP: 002b:00007fff81041f68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 29.815007][ T372] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f92df5902f7 [ 29.823079][ T372] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff81042020 [ 29.831113][ T372] RBP: 00007fff81042020 R08: 0000000000000000 R09: 0000000000000000 [ 29.839191][ T372] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff810430b0 [ 29.847216][ T372] R13: 00007f92df611d7d R14: 000000000000735e R15: 00007fff810430f0 [ 29.855378][ T372] [ 29.858507][ T372] ---[ end trace 0000000000000000 ]--- [ 29.864186][ T372] ================================================================== [ 29.872289][ T372] BUG: KASAN: null-ptr-deref in ihold+0x24/0x70 [ 29.878542][ T372] Write of size 4 at addr 0000000000000168 by task syz-executor/372 [ 29.886517][ T372] [ 29.888844][ T372] CPU: 1 UID: 0 PID: 372 Comm: syz-executor Tainted: G W syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 29.888869][ T372] Tainted: [W]=WARN [ 29.888874][ T372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 29.888884][ T372] Call Trace: [ 29.888890][ T372] [ 29.888896][ T372] __dump_stack+0x21/0x30 [ 29.888922][ T372] dump_stack_lvl+0x10c/0x190 [ 29.888943][ T372] ? __cfi_dump_stack_lvl+0x10/0x10 [ 29.888965][ T372] print_report+0x3d/0x70 [ 29.888982][ T372] kasan_report+0x163/0x1a0 [ 29.889001][ T372] ? ihold+0x24/0x70 [ 29.889018][ T372] ? _raw_spin_unlock+0x45/0x60 [ 29.889039][ T372] ? ihold+0x24/0x70 [ 29.889055][ T372] kasan_check_range+0x299/0x2a0 [ 29.889074][ T372] __kasan_check_write+0x18/0x20 [ 29.889098][ T372] ihold+0x24/0x70 [ 29.889114][ T372] vfs_rmdir+0x26a/0x560 [ 29.889134][ T372] incfs_kill_sb+0x109/0x230 [ 29.889158][ T372] deactivate_locked_super+0xd5/0x2a0 [ 29.889181][ T372] deactivate_super+0xb8/0xe0 [ 29.889201][ T372] cleanup_mnt+0x3f1/0x480 [ 29.889219][ T372] __cleanup_mnt+0x1d/0x40 [ 29.889235][ T372] task_work_run+0x1e0/0x250 [ 29.889255][ T372] ? __cfi_task_work_run+0x10/0x10 [ 29.889273][ T372] ? __x64_sys_umount+0x126/0x170 [ 29.889296][ T372] ? __cfi___x64_sys_umount+0x10/0x10 [ 29.889318][ T372] ? __kasan_check_read+0x15/0x20 [ 29.889341][ T372] resume_user_mode_work+0x36/0x50 [ 29.889360][ T372] syscall_exit_to_user_mode+0x64/0xb0 [ 29.889378][ T372] do_syscall_64+0x64/0xf0 [ 29.889397][ T372] ? clear_bhb_loop+0x50/0xa0 [ 29.889416][ T372] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 29.889433][ T372] RIP: 0033:0x7f92df5902f7 [ 29.889447][ T372] Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 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 a8 ff ff ff f7 d8 64 89 02 b8 [ 29.889460][ T372] RSP: 002b:00007fff81041f68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 29.889476][ T372] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f92df5902f7 [ 29.889486][ T372] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff81042020 [ 29.889496][ T372] RBP: 00007fff81042020 R08: 0000000000000000 R09: 0000000000000000 [ 29.889506][ T372] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff810430b0 [ 29.889517][ T372] R13: 00007f92df611d7d R14: 000000000000735e R15: 00007fff810430f0 [ 29.889531][ T372] [ 29.889538][ T372] ================================================================== [ 30.133895][ T372] Disabling lock debugging due to kernel taint [ 30.140144][ T372] BUG: kernel NULL pointer dereference, address: 0000000000000168 [ 30.147971][ T372] #PF: supervisor write access in kernel mode [ 30.154046][ T372] #PF: error_code(0x0002) - not-present page [ 30.160021][ T372] PGD 800000010cbed067 P4D 800000010cbed067 PUD 0 [ 30.166533][ T372] Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI [ 30.172642][ T372] CPU: 1 UID: 0 PID: 372 Comm: syz-executor Tainted: G B W syzkaller #0 0b5ffdee5fcd2f7749818d1ff954e9c21353764e [ 30.185750][ T372] Tainted: [B]=BAD_PAGE, [W]=WARN [ 30.190764][ T372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 30.200849][ T372] RIP: 0010:ihold+0x2a/0x70 [ 30.205360][ T372] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 1d db 97 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 8c 4b 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 2d [ 30.225002][ T372] RSP: 0018:ffffc90004427ca0 EFLAGS: 00010246 [ 30.231078][ T372] RAX: ffff888127854c00 RBX: 0000000000000000 RCX: ffff888127854c00 [ 30.239062][ T372] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 30.247041][ T372] RBP: ffffc90004427cb0 R08: ffffffff88972947 R09: 1ffffffff112e528 [ 30.255106][ T372] R10: dffffc0000000000 R11: fffffbfff112e529 R12: ffff88812271c434 [ 30.263085][ T372] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 30.271061][ T372] FS: 0000555587f1f500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 30.279999][ T372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.286592][ T372] CR2: 0000000000000168 CR3: 000000011509a000 CR4: 00000000003526b0 [ 30.294574][ T372] Call Trace: [ 30.297861][ T372] [ 30.300814][ T372] vfs_rmdir+0x26a/0x560 [ 30.305074][ T372] incfs_kill_sb+0x109/0x230 [ 30.309683][ T372] deactivate_locked_super+0xd5/0x2a0 [ 30.315068][ T372] deactivate_super+0xb8/0xe0 [ 30.319765][ T372] cleanup_mnt+0x3f1/0x480 [ 30.324194][ T372] __cleanup_mnt+0x1d/0x40 [ 30.328618][ T372] task_work_run+0x1e0/0x250 [ 30.333232][ T372] ? __cfi_task_work_run+0x10/0x10 [ 30.338355][ T372] ? __x64_sys_umount+0x126/0x170 [ 30.343393][ T372] ? __cfi___x64_sys_umount+0x10/0x10 [ 30.348780][ T372] ? __kasan_check_read+0x15/0x20 [ 30.353826][ T372] resume_user_mode_work+0x36/0x50 [ 30.358947][ T372] syscall_exit_to_user_mode+0x64/0xb0 [ 30.364431][ T372] do_syscall_64+0x64/0xf0 [ 30.368862][ T372] ? clear_bhb_loop+0x50/0xa0 [ 30.373549][ T372] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 30.379463][ T372] RIP: 0033:0x7f92df5902f7 [ 30.383901][ T372] Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 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 a8 ff ff ff f7 d8 64 89 02 b8 [ 30.403519][ T372] RSP: 002b:00007fff81041f68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 30.411955][ T372] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f92df5902f7 [ 30.419936][ T372] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff81042020 [ 30.427916][ T372] RBP: 00007fff81042020 R08: 0000000000000000 R09: 0000000000000000 [ 30.435995][ T372] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff810430b0 [ 30.443974][ T372] R13: 00007f92df611d7d R14: 000000000000735e R15: 00007fff810430f0 [ 30.451957][ T372] [ 30.454981][ T372] Modules linked in: [ 30.458897][ T372] CR2: 0000000000000168 [ 30.463050][ T372] ---[ end trace 0000000000000000 ]--- [ 30.468513][ T372] RIP: 0010:ihold+0x2a/0x70 [ 30.473041][ T372] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 1d db 97 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 8c 4b 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 2d [ 30.492652][ T372] RSP: 0018:ffffc90004427ca0 EFLAGS: 00010246 [ 30.498750][ T372] RAX: ffff888127854c00 RBX: 0000000000000000 RCX: ffff888127854c00 [ 30.506737][ T372] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 30.514729][ T372] RBP: ffffc90004427cb0 R08: ffffffff88972947 R09: 1ffffffff112e528 [ 30.522717][ T372] R10: dffffc0000000000 R11: fffffbfff112e529 R12: ffff88812271c434 [ 30.530699][ T372] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 30.538700][ T372] FS: 0000555587f1f500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 30.547639][ T372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 30.554246][ T372] CR2: 0000000000000168 CR3: 000000011509a000 CR4: 00000000003526b0 [ 30.562248][ T372] Kernel panic - not syncing: Fatal exception [ 30.568629][ T372] Kernel Offset: disabled [ 30.572955][ T372] Rebooting in 86400 seconds..