Warning: Permanently added '10.128.1.30' (ED25519) to the list of known hosts. 2026/03/22 11:29:56 parsed 1 programs [ 23.238032][ T36] audit: type=1400 audit(1774178996.080:64): 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 [ 24.383973][ T36] audit: type=1400 audit(1774178997.220:65): 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 [ 24.384962][ T297] cgroup: Unknown subsys name 'net' [ 24.406940][ T36] audit: type=1400 audit(1774178997.220:66): 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 [ 24.434216][ T36] audit: type=1400 audit(1774178997.250:67): 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 [ 24.434390][ T297] cgroup: Unknown subsys name 'devices' [ 24.618617][ T297] cgroup: Unknown subsys name 'hugetlb' [ 24.624238][ T297] cgroup: Unknown subsys name 'rlimit' [ 24.763641][ T36] audit: type=1400 audit(1774178997.600:68): 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 [ 24.787029][ T36] audit: type=1400 audit(1774178997.600:69): 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 Setting up swapspace version 1, size = 127995904 bytes [ 24.799414][ T301] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 24.807692][ T36] audit: type=1400 audit(1774178997.600:70): 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 [ 24.836520][ T36] audit: type=1400 audit(1774178997.600:71): 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 [ 24.856987][ T36] audit: type=1400 audit(1774178997.600:72): 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 [ 24.857295][ T297] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 24.878053][ T36] audit: type=1400 audit(1774178997.600:73): 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 [ 25.867299][ 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. [ 26.494230][ T340] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.501559][ T340] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.508804][ T340] bridge_slave_0: entered allmulticast mode [ 26.515015][ T340] bridge_slave_0: entered promiscuous mode [ 26.521501][ T340] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.528574][ T340] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.536561][ T340] bridge_slave_1: entered allmulticast mode [ 26.543113][ T340] bridge_slave_1: entered promiscuous mode [ 26.593034][ T340] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.600117][ T340] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.607525][ T340] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.614567][ T340] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.633827][ T324] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.641091][ T324] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.650296][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.657357][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.668010][ T324] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.675048][ T324] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.702595][ T340] veth0_vlan: entered promiscuous mode [ 26.713131][ T340] veth1_macvtap: entered promiscuous mode [ 26.792620][ T13] bridge_slave_1: left allmulticast mode [ 26.800536][ T13] bridge_slave_1: left promiscuous mode [ 26.806195][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.814448][ T13] bridge_slave_0: left allmulticast mode [ 26.820183][ T13] bridge_slave_0: left promiscuous mode [ 26.825764][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.956665][ T13] veth1_macvtap: left promiscuous mode [ 26.962234][ T13] veth0_vlan: left promiscuous mode 2026/03/22 11:29:59 executed programs: 0 [ 27.105677][ T363] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.112790][ T363] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.120011][ T363] bridge_slave_0: entered allmulticast mode [ 27.126212][ T363] bridge_slave_0: entered promiscuous mode [ 27.132599][ T363] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.139700][ T363] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.146926][ T363] bridge_slave_1: entered allmulticast mode [ 27.153103][ T363] bridge_slave_1: entered promiscuous mode [ 27.190732][ T363] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.197804][ T363] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.205094][ T363] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.212137][ T363] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.231994][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.239662][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.249647][ T324] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.256725][ T324] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.265955][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.273114][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.298174][ T363] veth0_vlan: entered promiscuous mode [ 27.308529][ T363] veth1_macvtap: entered promiscuous mode [ 27.355180][ T363] ------------[ cut here ]------------ [ 27.360733][ T363] WARNING: CPU: 0 PID: 363 at fs/inode.c:340 drop_nlink+0xce/0x110 [ 27.368897][ T363] Modules linked in: [ 27.372800][ T363] CPU: 0 UID: 0 PID: 363 Comm: syz-executor Not tainted syzkaller #0 4cdc09a83674403ae09eb79c4caea2b8730b48e4 [ 27.384485][ T363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 27.394593][ T363] RIP: 0010:drop_nlink+0xce/0x110 [ 27.399664][ T363] Code: 04 00 00 be 08 00 00 00 e8 df 15 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 e5 95 ff <0f> 0b eb 81 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 59 ff ff ff 4c [ 27.419312][ T363] RSP: 0018:ffffc90001a5fc60 EFLAGS: 00010293 [ 27.425389][ T363] RAX: ffffffff81f1c2ae RBX: ffff88812d2bed10 RCX: ffff88812dee5f00 [ 27.433375][ T363] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 27.441402][ T363] RBP: ffffc90001a5fc88 R08: 0000000000000003 R09: 0000000000000004 [ 27.449433][ T363] R10: dffffc0000000000 R11: fffff5200034bf7c R12: dffffc0000000000 [ 27.457462][ T363] R13: 1ffff11025a57dab R14: ffff88812d2bed58 R15: 0000000000000000 [ 27.465543][ T363] FS: 000055558034c500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 27.474514][ T363] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.481260][ T363] CR2: 000055558036f948 CR3: 00000001142f6000 CR4: 00000000003526b0 [ 27.489339][ T363] Call Trace: [ 27.492629][ T363] [ 27.495562][ T363] shmem_rmdir+0x5f/0x90 [ 27.499953][ T363] vfs_rmdir+0x3e0/0x560 [ 27.504229][ T363] incfs_kill_sb+0x109/0x230 [ 27.508879][ T363] deactivate_locked_super+0xd5/0x2a0 [ 27.514276][ T363] deactivate_super+0xb8/0xe0 [ 27.519181][ T363] cleanup_mnt+0x406/0x4a0 [ 27.523615][ T363] __cleanup_mnt+0x1d/0x40 [ 27.528058][ T363] task_work_run+0x1e8/0x260 [ 27.532670][ T363] ? __cfi_task_work_run+0x10/0x10 [ 27.537810][ T363] ? __x64_sys_umount+0x12e/0x180 [ 27.543029][ T363] ? __cfi___x64_sys_umount+0x10/0x10 [ 27.548433][ T363] ? __kasan_check_read+0x15/0x20 [ 27.553484][ T363] resume_user_mode_work+0x35/0x50 [ 27.558643][ T363] syscall_exit_to_user_mode+0x63/0xb0 [ 27.564218][ T363] do_syscall_64+0x63/0xf0 [ 27.568687][ T363] ? clear_bhb_loop+0x50/0xa0 [ 27.573420][ T363] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 27.579466][ T363] RIP: 0033:0x7fdff1d9d9d7 [ 27.583917][ T363] Code: a2 c7 05 1c fd 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 [ 27.603748][ T363] RSP: 002b:00007ffe0a10c018 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 27.612278][ T363] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fdff1d9d9d7 [ 27.620413][ T363] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe0a10c0d0 [ 27.628433][ T363] RBP: 00007ffe0a10c0d0 R08: 00007ffe0a10d0d0 R09: 00000000ffffffff [ 27.636410][ T363] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0a10d160 [ 27.644505][ T363] R13: 00007fdff1e32050 R14: 0000000000006aba R15: 00007ffe0a10d1a0 [ 27.652529][ T363] [ 27.655561][ T363] ---[ end trace 0000000000000000 ]--- [ 27.661266][ T363] ================================================================== [ 27.669348][ T363] BUG: KASAN: null-ptr-deref in ihold+0x24/0x70 [ 27.675936][ T363] Write of size 4 at addr 0000000000000168 by task syz-executor/363 [ 27.683988][ T363] [ 27.686302][ T363] CPU: 1 UID: 0 PID: 363 Comm: syz-executor Tainted: G W syzkaller #0 4cdc09a83674403ae09eb79c4caea2b8730b48e4 [ 27.686323][ T363] Tainted: [W]=WARN [ 27.686327][ T363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 27.686335][ T363] Call Trace: [ 27.686339][ T363] [ 27.686344][ T363] __dump_stack+0x21/0x30 [ 27.686363][ T363] dump_stack_lvl+0x140/0x1c0 [ 27.686379][ T363] ? __cfi_dump_stack_lvl+0x10/0x10 [ 27.686395][ T363] print_report+0x3d/0x70 [ 27.686410][ T363] kasan_report+0x162/0x1a0 [ 27.686423][ T363] ? ihold+0x24/0x70 [ 27.686434][ T363] ? _raw_spin_unlock+0x45/0x60 [ 27.686449][ T363] ? ihold+0x24/0x70 [ 27.686459][ T363] kasan_check_range+0x25a/0x2b0 [ 27.686472][ T363] __kasan_check_write+0x18/0x20 [ 27.686488][ T363] ihold+0x24/0x70 [ 27.686499][ T363] vfs_rmdir+0x26a/0x560 [ 27.686513][ T363] incfs_kill_sb+0x109/0x230 [ 27.686530][ T363] deactivate_locked_super+0xd5/0x2a0 [ 27.686544][ T363] deactivate_super+0xb8/0xe0 [ 27.686558][ T363] cleanup_mnt+0x406/0x4a0 [ 27.686570][ T363] __cleanup_mnt+0x1d/0x40 [ 27.686581][ T363] task_work_run+0x1e8/0x260 [ 27.686595][ T363] ? __cfi_task_work_run+0x10/0x10 [ 27.686611][ T363] ? __x64_sys_umount+0x12e/0x180 [ 27.686636][ T363] ? __cfi___x64_sys_umount+0x10/0x10 [ 27.686662][ T363] ? __kasan_check_read+0x15/0x20 [ 27.686688][ T363] resume_user_mode_work+0x35/0x50 [ 27.686714][ T363] syscall_exit_to_user_mode+0x63/0xb0 [ 27.686735][ T363] do_syscall_64+0x63/0xf0 [ 27.686767][ T363] ? clear_bhb_loop+0x50/0xa0 [ 27.686792][ T363] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 27.686816][ T363] RIP: 0033:0x7fdff1d9d9d7 [ 27.686834][ T363] Code: a2 c7 05 1c fd 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 [ 27.686851][ T363] RSP: 002b:00007ffe0a10c018 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 27.686871][ T363] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fdff1d9d9d7 [ 27.686880][ T363] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe0a10c0d0 [ 27.686888][ T363] RBP: 00007ffe0a10c0d0 R08: 00007ffe0a10d0d0 R09: 00000000ffffffff [ 27.686897][ T363] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0a10d160 [ 27.686905][ T363] R13: 00007fdff1e32050 R14: 0000000000006aba R15: 00007ffe0a10d1a0 [ 27.686916][ T363] [ 27.686921][ T363] ================================================================== [ 27.934788][ T363] Disabling lock debugging due to kernel taint [ 27.941552][ T363] BUG: kernel NULL pointer dereference, address: 0000000000000168 [ 27.949374][ T363] #PF: supervisor write access in kernel mode [ 27.955431][ T363] #PF: error_code(0x0002) - not-present page [ 27.961503][ T363] PGD 800000011548f067 P4D 800000011548f067 PUD 0 [ 27.968015][ T363] Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI [ 27.974160][ T363] CPU: 1 UID: 0 PID: 363 Comm: syz-executor Tainted: G B W syzkaller #0 4cdc09a83674403ae09eb79c4caea2b8730b48e4 [ 27.987254][ T363] Tainted: [B]=BAD_PAGE, [W]=WARN [ 27.992284][ T363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 28.002327][ T363] RIP: 0010:ihold+0x2a/0x70 [ 28.006846][ T363] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 dd dc 95 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 9c 0c 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 [ 28.026535][ T363] RSP: 0018:ffffc90001a5fca0 EFLAGS: 00010246 [ 28.032590][ T363] RAX: ffff88812dee5f00 RBX: 0000000000000000 RCX: ffff88812dee5f00 [ 28.040561][ T363] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 28.048516][ T363] RBP: ffffc90001a5fcb0 R08: ffffffff88b97947 R09: 1ffffffff1172f28 [ 28.056562][ T363] R10: dffffc0000000000 R11: fffffbfff1172f29 R12: ffff88812d2bed1c [ 28.064523][ T363] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 28.072483][ T363] FS: 000055558034c500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 28.081833][ T363] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.088403][ T363] CR2: 0000000000000168 CR3: 00000001142f6000 CR4: 00000000003526b0 [ 28.096367][ T363] Call Trace: [ 28.099637][ T363] [ 28.102647][ T363] vfs_rmdir+0x26a/0x560 [ 28.106884][ T363] incfs_kill_sb+0x109/0x230 [ 28.111473][ T363] deactivate_locked_super+0xd5/0x2a0 [ 28.116933][ T363] deactivate_super+0xb8/0xe0 [ 28.121687][ T363] cleanup_mnt+0x406/0x4a0 [ 28.126126][ T363] __cleanup_mnt+0x1d/0x40 [ 28.130622][ T363] task_work_run+0x1e8/0x260 [ 28.135213][ T363] ? __cfi_task_work_run+0x10/0x10 [ 28.140314][ T363] ? __x64_sys_umount+0x12e/0x180 [ 28.145330][ T363] ? __cfi___x64_sys_umount+0x10/0x10 [ 28.150778][ T363] ? __kasan_check_read+0x15/0x20 [ 28.155792][ T363] resume_user_mode_work+0x35/0x50 [ 28.160890][ T363] syscall_exit_to_user_mode+0x63/0xb0 [ 28.166401][ T363] do_syscall_64+0x63/0xf0 [ 28.170810][ T363] ? clear_bhb_loop+0x50/0xa0 [ 28.175481][ T363] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 28.181372][ T363] RIP: 0033:0x7fdff1d9d9d7 [ 28.185838][ T363] Code: a2 c7 05 1c fd 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 [ 28.205622][ T363] RSP: 002b:00007ffe0a10c018 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 28.214046][ T363] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fdff1d9d9d7 [ 28.222020][ T363] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe0a10c0d0 [ 28.230014][ T363] RBP: 00007ffe0a10c0d0 R08: 00007ffe0a10d0d0 R09: 00000000ffffffff [ 28.238064][ T363] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0a10d160 [ 28.246024][ T363] R13: 00007fdff1e32050 R14: 0000000000006aba R15: 00007ffe0a10d1a0 [ 28.253996][ T363] [ 28.257012][ T363] Modules linked in: [ 28.260917][ T363] CR2: 0000000000000168 [ 28.265088][ T363] ---[ end trace 0000000000000000 ]--- [ 28.270534][ T363] RIP: 0010:ihold+0x2a/0x70 [ 28.275030][ T363] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 dd dc 95 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 9c 0c 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 [ 28.294891][ T363] RSP: 0018:ffffc90001a5fca0 EFLAGS: 00010246 [ 28.300947][ T363] RAX: ffff88812dee5f00 RBX: 0000000000000000 RCX: ffff88812dee5f00 [ 28.309178][ T363] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 28.317175][ T363] RBP: ffffc90001a5fcb0 R08: ffffffff88b97947 R09: 1ffffffff1172f28 [ 28.325149][ T363] R10: dffffc0000000000 R11: fffffbfff1172f29 R12: ffff88812d2bed1c [ 28.333132][ T363] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 28.341107][ T363] FS: 000055558034c500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 28.350113][ T363] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.356681][ T363] CR2: 0000000000000168 CR3: 00000001142f6000 CR4: 00000000003526b0 [ 28.364647][ T363] Kernel panic - not syncing: Fatal exception [ 28.371113][ T363] Kernel Offset: disabled [ 28.375614][ T363] Rebooting in 86400 seconds..