Warning: Permanently added '10.128.1.86' (ED25519) to the list of known hosts. 2025/09/12 23:00:07 parsed 1 programs [ 22.922598][ T36] audit: type=1400 audit(1757718007.710:64): 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 [ 24.290474][ T36] audit: type=1400 audit(1757718009.080:65): 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 [ 24.291670][ T298] cgroup: Unknown subsys name 'net' [ 24.313171][ T36] audit: type=1400 audit(1757718009.080:66): 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 [ 24.340425][ T36] audit: type=1400 audit(1757718009.110:67): 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 [ 24.340680][ T298] cgroup: Unknown subsys name 'devices' [ 24.526501][ T298] cgroup: Unknown subsys name 'hugetlb' [ 24.532138][ T298] cgroup: Unknown subsys name 'rlimit' [ 24.633542][ T36] audit: type=1400 audit(1757718009.420:68): 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 [ 24.656712][ T36] audit: type=1400 audit(1757718009.430:69): 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 [ 24.677240][ T36] audit: type=1400 audit(1757718009.430:70): 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 [ 24.687242][ T301] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 24.697745][ T36] audit: type=1400 audit(1757718009.430:71): 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 [ 24.726288][ T36] audit: type=1400 audit(1757718009.430:72): 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 [ 24.747356][ T36] audit: type=1400 audit(1757718009.430:73): 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 [ 24.775929][ T298] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 25.592644][ 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. [ 25.916510][ T323] bridge0: port 1(bridge_slave_0) entered blocking state [ 25.923592][ T323] bridge0: port 1(bridge_slave_0) entered disabled state [ 25.930678][ T323] bridge_slave_0: entered allmulticast mode [ 25.936858][ T323] bridge_slave_0: entered promiscuous mode [ 25.943104][ T323] bridge0: port 2(bridge_slave_1) entered blocking state [ 25.950169][ T323] bridge0: port 2(bridge_slave_1) entered disabled state [ 25.957233][ T323] bridge_slave_1: entered allmulticast mode [ 25.963525][ T323] bridge_slave_1: entered promiscuous mode [ 26.010614][ T323] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.017686][ T323] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.025003][ T323] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.032030][ T323] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.052446][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.060813][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.070631][ T324] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.077677][ T324] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.094848][ T324] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.101880][ T324] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.115738][ T323] veth0_vlan: entered promiscuous mode [ 26.125308][ T323] veth1_macvtap: entered promiscuous mode [ 26.393117][ T13] bridge_slave_1: left allmulticast mode [ 26.399794][ T13] bridge_slave_1: left promiscuous mode [ 26.405581][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.413405][ T13] bridge_slave_0: left allmulticast mode [ 26.419165][ T13] bridge_slave_0: left promiscuous mode [ 26.424968][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.547364][ T13] veth1_macvtap: left promiscuous mode [ 26.552915][ T13] veth0_vlan: left promiscuous mode 2025/09/12 23:00:11 executed programs: 0 [ 26.936206][ T372] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.943250][ T372] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.950312][ T372] bridge_slave_0: entered allmulticast mode [ 26.956616][ T372] bridge_slave_0: entered promiscuous mode [ 26.962837][ T372] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.969921][ T372] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.976973][ T372] bridge_slave_1: entered allmulticast mode [ 26.983143][ T372] bridge_slave_1: entered promiscuous mode [ 27.070425][ T335] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.077492][ T335] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.086158][ T335] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.093199][ T335] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.128704][ T372] veth0_vlan: entered promiscuous mode [ 27.139495][ T372] veth1_macvtap: entered promiscuous mode [ 27.176593][ T372] ------------[ cut here ]------------ [ 27.182082][ T372] WARNING: CPU: 0 PID: 372 at fs/inode.c:340 drop_nlink+0xce/0x110 [ 27.190036][ T372] Modules linked in: [ 27.193970][ T372] CPU: 0 UID: 0 PID: 372 Comm: syz-executor Not tainted syzkaller #0 368e5ea6f09f38000db57a3375c4613503dfaac0 [ 27.205680][ T372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 27.215779][ T372] RIP: 0010:drop_nlink+0xce/0x110 [ 27.220829][ T372] Code: 04 00 00 be 08 00 00 00 e8 5f 46 ee ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d e9 d8 d5 a0 03 cc e8 82 0e 98 ff <0f> 0b eb 81 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 59 ff ff ff 4c [ 27.240457][ T372] RSP: 0018:ffffc90003b9fa80 EFLAGS: 00010293 [ 27.246560][ T372] RAX: ffffffff81edd58e RBX: ffff888113ac30c8 RCX: ffff8881143edf00 [ 27.254568][ T372] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 27.262542][ T372] RBP: ffffc90003b9faa8 R08: 0000000000000003 R09: 0000000000000004 [ 27.270536][ T372] R10: dffffc0000000000 R11: fffff52000773f40 R12: dffffc0000000000 [ 27.278555][ T372] R13: 1ffff11022758622 R14: ffff888113ac3110 R15: 0000000000000000 [ 27.286565][ T372] FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 27.295563][ T372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.302163][ T372] CR2: 00007f7f53308710 CR3: 000000012354e000 CR4: 00000000003526b0 [ 27.310168][ T372] Call Trace: [ 27.313453][ T372] [ 27.316394][ T372] shmem_rmdir+0x5f/0x90 [ 27.320650][ T372] vfs_rmdir+0x3dd/0x560 [ 27.324911][ T372] incfs_kill_sb+0x109/0x230 [ 27.329517][ T372] deactivate_locked_super+0xd8/0x2a0 [ 27.334931][ T372] deactivate_super+0xb8/0xe0 [ 27.339623][ T372] cleanup_mnt+0x3f1/0x480 [ 27.344091][ T372] __cleanup_mnt+0x1d/0x40 [ 27.348518][ T372] task_work_run+0x1e3/0x250 [ 27.353114][ T372] ? __cfi_task_work_run+0x10/0x10 [ 27.358265][ T372] ? free_nsproxy+0x223/0x290 [ 27.362956][ T372] do_exit+0x9bc/0x2630 [ 27.367163][ T372] ? __cfi_do_exit+0x10/0x10 [ 27.371777][ T372] ? __kasan_check_write+0x18/0x20 [ 27.376922][ T372] ? _raw_spin_lock_irq+0x8d/0x120 [ 27.382133][ T372] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 27.387707][ T372] ? __cfi_ksys_write+0x10/0x10 [ 27.392582][ T372] ? zap_other_threads+0x334/0x370 [ 27.397723][ T372] do_group_exit+0x22a/0x300 [ 27.402331][ T372] __x64_sys_exit_group+0x43/0x50 [ 27.407394][ T372] x64_sys_call+0x2ed2/0x2ee0 [ 27.412097][ T372] do_syscall_64+0x58/0xf0 [ 27.416564][ T372] ? clear_bhb_loop+0x50/0xa0 [ 27.421254][ T372] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 27.427180][ T372] RIP: 0033:0x7f7f5258eba9 [ 27.431611][ T372] Code: Unable to access opcode bytes at 0x7f7f5258eb7f. [ 27.438643][ T372] RSP: 002b:00007fffc57949d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 27.447084][ T372] RAX: ffffffffffffffda RBX: 00007f7f52611c77 RCX: 00007f7f5258eba9 [ 27.455078][ T372] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 27.463054][ T372] RBP: 0000000000000016 R08: 00007fffc5792776 R09: 00007fffc5795c90 [ 27.471045][ T372] R10: 000000000000000a R11: 0000000000000246 R12: 00007fffc5795c90 [ 27.479069][ T372] R13: 00007f7f52611c05 R14: 000055556edca4a8 R15: 00007fffc5797e50 [ 27.487091][ T372] [ 27.490118][ T372] ---[ end trace 0000000000000000 ]--- [ 27.495734][ T372] ================================================================== [ 27.503834][ T372] BUG: KASAN: null-ptr-deref in ihold+0x24/0x70 [ 27.510099][ T372] Write of size 4 at addr 0000000000000168 by task syz-executor/372 [ 27.518066][ T372] [ 27.520389][ T372] CPU: 1 UID: 0 PID: 372 Comm: syz-executor Tainted: G W syzkaller #0 368e5ea6f09f38000db57a3375c4613503dfaac0 [ 27.520414][ T372] Tainted: [W]=WARN [ 27.520418][ T372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 27.520426][ T372] Call Trace: [ 27.520431][ T372] [ 27.520436][ T372] __dump_stack+0x21/0x30 [ 27.520457][ T372] dump_stack_lvl+0x10c/0x190 [ 27.520475][ T372] ? __cfi_dump_stack_lvl+0x10/0x10 [ 27.520493][ T372] print_report+0x3d/0x70 [ 27.520508][ T372] kasan_report+0x163/0x1a0 [ 27.520523][ T372] ? ihold+0x24/0x70 [ 27.520538][ T372] ? _raw_spin_unlock+0x45/0x60 [ 27.520557][ T372] ? ihold+0x24/0x70 [ 27.520571][ T372] kasan_check_range+0x299/0x2a0 [ 27.520586][ T372] __kasan_check_write+0x18/0x20 [ 27.520604][ T372] ihold+0x24/0x70 [ 27.520617][ T372] vfs_rmdir+0x26a/0x560 [ 27.520634][ T372] incfs_kill_sb+0x109/0x230 [ 27.520654][ T372] deactivate_locked_super+0xd8/0x2a0 [ 27.520672][ T372] deactivate_super+0xb8/0xe0 [ 27.520688][ T372] cleanup_mnt+0x3f1/0x480 [ 27.520703][ T372] __cleanup_mnt+0x1d/0x40 [ 27.520717][ T372] task_work_run+0x1e3/0x250 [ 27.520733][ T372] ? __cfi_task_work_run+0x10/0x10 [ 27.520748][ T372] ? free_nsproxy+0x223/0x290 [ 27.520768][ T372] do_exit+0x9bc/0x2630 [ 27.520785][ T372] ? __cfi_do_exit+0x10/0x10 [ 27.520801][ T372] ? __kasan_check_write+0x18/0x20 [ 27.520819][ T372] ? _raw_spin_lock_irq+0x8d/0x120 [ 27.520839][ T372] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 27.520858][ T372] ? __cfi_ksys_write+0x10/0x10 [ 27.520870][ T372] ? zap_other_threads+0x334/0x370 [ 27.520885][ T372] do_group_exit+0x22a/0x300 [ 27.520901][ T372] __x64_sys_exit_group+0x43/0x50 [ 27.520917][ T372] x64_sys_call+0x2ed2/0x2ee0 [ 27.520937][ T372] do_syscall_64+0x58/0xf0 [ 27.520956][ T372] ? clear_bhb_loop+0x50/0xa0 [ 27.520973][ T372] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 27.520989][ T372] RIP: 0033:0x7f7f5258eba9 [ 27.521000][ T372] Code: Unable to access opcode bytes at 0x7f7f5258eb7f. [ 27.521006][ T372] RSP: 002b:00007fffc57949d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 27.521020][ T372] RAX: ffffffffffffffda RBX: 00007f7f52611c77 RCX: 00007f7f5258eba9 [ 27.521030][ T372] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 27.521038][ T372] RBP: 0000000000000016 R08: 00007fffc5792776 R09: 00007fffc5795c90 [ 27.521047][ T372] R10: 000000000000000a R11: 0000000000000246 R12: 00007fffc5795c90 [ 27.521055][ T372] R13: 00007f7f52611c05 R14: 000055556edca4a8 R15: 00007fffc5797e50 [ 27.521067][ T372] [ 27.521071][ T372] ================================================================== [ 27.781047][ T372] Disabling lock debugging due to kernel taint [ 27.787286][ T372] BUG: kernel NULL pointer dereference, address: 0000000000000168 [ 27.795094][ T372] #PF: supervisor write access in kernel mode [ 27.801152][ T372] #PF: error_code(0x0002) - not-present page [ 27.807204][ T372] PGD 0 P4D 0 [ 27.810589][ T372] Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI [ 27.816655][ T372] CPU: 1 UID: 0 PID: 372 Comm: syz-executor Tainted: G B W syzkaller #0 368e5ea6f09f38000db57a3375c4613503dfaac0 [ 27.829769][ T372] Tainted: [B]=BAD_PAGE, [W]=WARN [ 27.834778][ T372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 27.844822][ T372] RIP: 0010:ihold+0x2a/0x70 [ 27.849323][ T372] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 6d 05 98 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 1c 3d 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 7d [ 27.868937][ T372] RSP: 0018:ffffc90003b9fac0 EFLAGS: 00010246 [ 27.875123][ T372] RAX: ffff8881143edf00 RBX: 0000000000000000 RCX: ffff8881143edf00 [ 27.883093][ T372] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 27.891057][ T372] RBP: ffffc90003b9fad0 R08: ffffffff8896f947 R09: 1ffffffff112df28 [ 27.899026][ T372] R10: dffffc0000000000 R11: fffffbfff112df29 R12: ffff888113ac30d4 [ 27.906993][ T372] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 27.914953][ T372] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 27.923871][ T372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.930444][ T372] CR2: 0000000000000168 CR3: 000000010a300000 CR4: 00000000003526b0 [ 27.938432][ T372] Call Trace: [ 27.941703][ T372] [ 27.944622][ T372] vfs_rmdir+0x26a/0x560 [ 27.948864][ T372] incfs_kill_sb+0x109/0x230 [ 27.953545][ T372] deactivate_locked_super+0xd8/0x2a0 [ 27.958922][ T372] deactivate_super+0xb8/0xe0 [ 27.963595][ T372] cleanup_mnt+0x3f1/0x480 [ 27.968015][ T372] __cleanup_mnt+0x1d/0x40 [ 27.972440][ T372] task_work_run+0x1e3/0x250 [ 27.977022][ T372] ? __cfi_task_work_run+0x10/0x10 [ 27.982129][ T372] ? free_nsproxy+0x223/0x290 [ 27.986804][ T372] do_exit+0x9bc/0x2630 [ 27.990963][ T372] ? __cfi_do_exit+0x10/0x10 [ 27.995582][ T372] ? __kasan_check_write+0x18/0x20 [ 28.000720][ T372] ? _raw_spin_lock_irq+0x8d/0x120 [ 28.005861][ T372] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 28.011406][ T372] ? __cfi_ksys_write+0x10/0x10 [ 28.016256][ T372] ? zap_other_threads+0x334/0x370 [ 28.021360][ T372] do_group_exit+0x22a/0x300 [ 28.025952][ T372] __x64_sys_exit_group+0x43/0x50 [ 28.030999][ T372] x64_sys_call+0x2ed2/0x2ee0 [ 28.035681][ T372] do_syscall_64+0x58/0xf0 [ 28.040095][ T372] ? clear_bhb_loop+0x50/0xa0 [ 28.044854][ T372] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 28.050748][ T372] RIP: 0033:0x7f7f5258eba9 [ 28.055155][ T372] Code: Unable to access opcode bytes at 0x7f7f5258eb7f. [ 28.062160][ T372] RSP: 002b:00007fffc57949d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 28.070562][ T372] RAX: ffffffffffffffda RBX: 00007f7f52611c77 RCX: 00007f7f5258eba9 [ 28.078527][ T372] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 28.086489][ T372] RBP: 0000000000000016 R08: 00007fffc5792776 R09: 00007fffc5795c90 [ 28.094474][ T372] R10: 000000000000000a R11: 0000000000000246 R12: 00007fffc5795c90 [ 28.102458][ T372] R13: 00007f7f52611c05 R14: 000055556edca4a8 R15: 00007fffc5797e50 [ 28.110760][ T372] [ 28.113781][ T372] Modules linked in: [ 28.117698][ T372] CR2: 0000000000000168 [ 28.121855][ T372] ---[ end trace 0000000000000000 ]--- [ 28.127305][ T372] RIP: 0010:ihold+0x2a/0x70 [ 28.131828][ T372] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 6d 05 98 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 1c 3d 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 7d [ 28.151429][ T372] RSP: 0018:ffffc90003b9fac0 EFLAGS: 00010246 [ 28.157488][ T372] RAX: ffff8881143edf00 RBX: 0000000000000000 RCX: ffff8881143edf00 [ 28.165461][ T372] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 28.173423][ T372] RBP: ffffc90003b9fad0 R08: ffffffff8896f947 R09: 1ffffffff112df28 [ 28.181381][ T372] R10: dffffc0000000000 R11: fffffbfff112df29 R12: ffff888113ac30d4 [ 28.189343][ T372] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 28.197303][ T372] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 28.206230][ T372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.213236][ T372] CR2: 0000000000000168 CR3: 000000010a300000 CR4: 00000000003526b0 [ 28.221303][ T372] Kernel panic - not syncing: Fatal exception [ 28.227771][ T372] Kernel Offset: disabled [ 28.232138][ T372] Rebooting in 86400 seconds..