Warning: Permanently added '10.128.1.182' (ED25519) to the list of known hosts. 2025/10/09 12:26:33 parsed 1 programs [ 23.025945][ T36] audit: type=1400 audit(1760012793.180:64): avc: denied { node_bind } for pid=291 comm="syz-execprog" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 24.555811][ T36] audit: type=1400 audit(1760012794.710:65): avc: denied { mounton } for pid=300 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 [ 24.557183][ T300] cgroup: Unknown subsys name 'net' [ 24.578672][ T36] audit: type=1400 audit(1760012794.710:66): avc: denied { mount } for pid=300 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 [ 24.605905][ T36] audit: type=1400 audit(1760012794.740:67): avc: denied { unmount } for pid=300 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 24.606196][ T300] cgroup: Unknown subsys name 'devices' [ 24.725434][ T300] cgroup: Unknown subsys name 'hugetlb' [ 24.731092][ T300] cgroup: Unknown subsys name 'rlimit' [ 24.875664][ T36] audit: type=1400 audit(1760012795.030:68): avc: denied { setattr } for pid=300 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 [ 24.898877][ T36] audit: type=1400 audit(1760012795.030:69): avc: denied { create } for pid=300 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 24.900577][ T302] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 24.919511][ T36] audit: type=1400 audit(1760012795.030:70): avc: denied { write } for pid=300 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 24.948222][ T36] audit: type=1400 audit(1760012795.030:71): avc: denied { read } for pid=300 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 24.948785][ T300] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 24.968522][ T36] audit: type=1400 audit(1760012795.030:72): avc: denied { sys_module } for pid=300 comm="syz-executor" capability=16 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability permissive=1 [ 24.998147][ T36] audit: type=1400 audit(1760012795.030:73): avc: denied { mounton } for pid=300 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 [ 25.873602][ T304] 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. [ 26.510817][ T341] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.517933][ T341] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.525113][ T341] bridge_slave_0: entered allmulticast mode [ 26.531399][ T341] bridge_slave_0: entered promiscuous mode [ 26.537949][ T341] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.545045][ T341] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.552181][ T341] bridge_slave_1: entered allmulticast mode [ 26.558522][ T341] bridge_slave_1: entered promiscuous mode [ 26.623085][ T341] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.630143][ T341] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.637517][ T341] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.644588][ T341] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.668028][ T46] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.675550][ T46] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.685659][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 26.692724][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 26.701698][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 26.708781][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 26.733308][ T341] veth0_vlan: entered promiscuous mode [ 26.744466][ T341] veth1_macvtap: entered promiscuous mode [ 26.795373][ T241] bridge_slave_1: left allmulticast mode [ 26.801087][ T241] bridge_slave_1: left promiscuous mode [ 26.807039][ T241] bridge0: port 2(bridge_slave_1) entered disabled state [ 26.815479][ T241] bridge_slave_0: left allmulticast mode [ 26.821160][ T241] bridge_slave_0: left promiscuous mode [ 26.827269][ T241] bridge0: port 1(bridge_slave_0) entered disabled state [ 26.989049][ T241] veth1_macvtap: left promiscuous mode [ 27.002972][ T241] veth0_vlan: left promiscuous mode 2025/10/09 12:26:37 executed programs: 0 [ 27.383648][ T372] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.390712][ T372] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.398087][ T372] bridge_slave_0: entered allmulticast mode [ 27.405041][ T372] bridge_slave_0: entered promiscuous mode [ 27.411425][ T372] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.418538][ T372] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.425853][ T372] bridge_slave_1: entered allmulticast mode [ 27.432136][ T372] bridge_slave_1: entered promiscuous mode [ 27.489742][ T372] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.496862][ T372] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.504194][ T372] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.511374][ T372] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.531832][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 27.539901][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 27.549232][ T46] bridge0: port 1(bridge_slave_0) entered blocking state [ 27.556330][ T46] bridge0: port 1(bridge_slave_0) entered forwarding state [ 27.566237][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 27.573334][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 27.598453][ T372] veth0_vlan: entered promiscuous mode [ 27.609197][ T372] veth1_macvtap: entered promiscuous mode [ 27.640831][ T372] ------------[ cut here ]------------ [ 27.646405][ T372] WARNING: CPU: 1 PID: 372 at fs/inode.c:340 drop_nlink+0xce/0x110 [ 27.654414][ T372] Modules linked in: [ 27.658340][ T372] CPU: 1 UID: 0 PID: 372 Comm: syz-executor Not tainted syzkaller #0 3139412e88f9c10565e68fba112d07c2ae2cf1ea [ 27.670030][ T372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 27.680258][ T372] RIP: 0010:drop_nlink+0xce/0x110 [ 27.685430][ T372] Code: 04 00 00 be 08 00 00 00 e8 6f 51 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 02 f5 97 ff <0f> 0b eb 81 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 59 ff ff ff 4c [ 27.705199][ T372] RSP: 0018:ffffc9000105fc60 EFLAGS: 00010293 [ 27.711315][ T372] RAX: ffffffff81ee0afe RBX: ffff88812ef25a78 RCX: ffff888107383900 [ 27.719369][ T372] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 27.727444][ T372] RBP: ffffc9000105fc88 R08: 0000000000000003 R09: 0000000000000004 [ 27.735475][ T372] R10: dffffc0000000000 R11: fffff5200020bf7c R12: dffffc0000000000 [ 27.744405][ T372] R13: 1ffff11025de4b58 R14: ffff88812ef25ac0 R15: 0000000000000000 [ 27.752954][ T372] FS: 0000555571cab500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 27.761913][ T372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.768594][ T372] CR2: 0000555571cce4e8 CR3: 0000000127f34000 CR4: 00000000003526b0 [ 27.776643][ T372] Call Trace: [ 27.779945][ T372] [ 27.782946][ T372] shmem_rmdir+0x5f/0x90 [ 27.787242][ T372] vfs_rmdir+0x3dd/0x560 [ 27.791497][ T372] incfs_kill_sb+0x109/0x230 [ 27.796151][ T372] deactivate_locked_super+0xd5/0x2a0 [ 27.801567][ T372] deactivate_super+0xb8/0xe0 [ 27.806322][ T372] cleanup_mnt+0x3f1/0x480 [ 27.810763][ T372] __cleanup_mnt+0x1d/0x40 [ 27.815254][ T372] task_work_run+0x1e0/0x250 [ 27.819902][ T372] ? __cfi_task_work_run+0x10/0x10 [ 27.825132][ T372] ? __x64_sys_umount+0x126/0x170 [ 27.830294][ T372] ? __cfi___x64_sys_umount+0x10/0x10 [ 27.835764][ T372] ? __kasan_check_read+0x15/0x20 [ 27.840823][ T372] resume_user_mode_work+0x36/0x50 [ 27.845993][ T372] syscall_exit_to_user_mode+0x64/0xb0 [ 27.851472][ T372] do_syscall_64+0x64/0xf0 [ 27.855955][ T372] ? clear_bhb_loop+0x50/0xa0 [ 27.860653][ T372] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 27.866625][ T372] RIP: 0033:0x7ff59bb901f7 [ 27.871098][ 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 [ 27.890879][ T372] RSP: 002b:00007ffc05be0068 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 27.899373][ T372] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007ff59bb901f7 [ 27.907445][ T372] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc05be0120 [ 27.915468][ T372] RBP: 00007ffc05be0120 R08: 0000000000000000 R09: 0000000000000000 [ 27.923513][ T372] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffc05be11b0 [ 27.931505][ T372] R13: 00007ff59bc11d7d R14: 0000000000006bdd R15: 00007ffc05be11f0 [ 27.939523][ T372] [ 27.942560][ T372] ---[ end trace 0000000000000000 ]--- [ 27.948936][ T372] ================================================================== [ 27.957039][ T372] BUG: KASAN: null-ptr-deref in ihold+0x24/0x70 [ 27.963288][ T372] Write of size 4 at addr 0000000000000168 by task syz-executor/372 [ 27.971281][ T372] [ 27.973614][ T372] CPU: 0 UID: 0 PID: 372 Comm: syz-executor Tainted: G W syzkaller #0 3139412e88f9c10565e68fba112d07c2ae2cf1ea [ 27.973639][ T372] Tainted: [W]=WARN [ 27.973645][ T372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 27.973655][ T372] Call Trace: [ 27.973661][ T372] [ 27.973668][ T372] __dump_stack+0x21/0x30 [ 27.973694][ T372] dump_stack_lvl+0x10c/0x190 [ 27.973715][ T372] ? __cfi_dump_stack_lvl+0x10/0x10 [ 27.973738][ T372] print_report+0x3d/0x70 [ 27.973756][ T372] kasan_report+0x163/0x1a0 [ 27.973775][ T372] ? ihold+0x24/0x70 [ 27.973792][ T372] ? _raw_spin_unlock+0x45/0x60 [ 27.973812][ T372] ? ihold+0x24/0x70 [ 27.973829][ T372] kasan_check_range+0x299/0x2a0 [ 27.973848][ T372] __kasan_check_write+0x18/0x20 [ 27.973872][ T372] ihold+0x24/0x70 [ 27.973888][ T372] vfs_rmdir+0x26a/0x560 [ 27.973910][ T372] incfs_kill_sb+0x109/0x230 [ 27.973934][ T372] deactivate_locked_super+0xd5/0x2a0 [ 27.973956][ T372] deactivate_super+0xb8/0xe0 [ 27.973976][ T372] cleanup_mnt+0x3f1/0x480 [ 27.973994][ T372] __cleanup_mnt+0x1d/0x40 [ 27.974011][ T372] task_work_run+0x1e0/0x250 [ 27.974030][ T372] ? __cfi_task_work_run+0x10/0x10 [ 27.974049][ T372] ? __x64_sys_umount+0x126/0x170 [ 27.974071][ T372] ? __cfi___x64_sys_umount+0x10/0x10 [ 27.974094][ T372] ? __kasan_check_read+0x15/0x20 [ 27.974118][ T372] resume_user_mode_work+0x36/0x50 [ 27.974138][ T372] syscall_exit_to_user_mode+0x64/0xb0 [ 27.974154][ T372] do_syscall_64+0x64/0xf0 [ 27.974173][ T372] ? clear_bhb_loop+0x50/0xa0 [ 27.974190][ T372] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 27.974216][ T372] RIP: 0033:0x7ff59bb901f7 [ 27.974230][ 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 [ 27.974243][ T372] RSP: 002b:00007ffc05be0068 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 27.974260][ T372] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007ff59bb901f7 [ 27.974271][ T372] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc05be0120 [ 27.974282][ T372] RBP: 00007ffc05be0120 R08: 0000000000000000 R09: 0000000000000000 [ 27.974292][ T372] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffc05be11b0 [ 27.974304][ T372] R13: 00007ff59bc11d7d R14: 0000000000006bdd R15: 00007ffc05be11f0 [ 27.974317][ T372] [ 27.974323][ T372] ================================================================== [ 28.219603][ T372] Disabling lock debugging due to kernel taint [ 28.225896][ T372] BUG: kernel NULL pointer dereference, address: 0000000000000168 [ 28.233797][ T372] #PF: supervisor write access in kernel mode [ 28.239878][ T372] #PF: error_code(0x0002) - not-present page [ 28.245854][ T372] PGD 80000001156b0067 P4D 80000001156b0067 PUD 0 [ 28.252366][ T372] Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI [ 28.258435][ T372] CPU: 0 UID: 0 PID: 372 Comm: syz-executor Tainted: G B W syzkaller #0 3139412e88f9c10565e68fba112d07c2ae2cf1ea [ 28.271546][ T372] Tainted: [B]=BAD_PAGE, [W]=WARN [ 28.276562][ T372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 28.286619][ T372] RIP: 0010:ihold+0x2a/0x70 [ 28.291135][ T372] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 ed eb 97 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 2c 48 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 fd [ 28.310747][ T372] RSP: 0018:ffffc9000105fca0 EFLAGS: 00010246 [ 28.316815][ T372] RAX: ffff888107383900 RBX: 0000000000000000 RCX: ffff888107383900 [ 28.324786][ T372] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 28.332753][ T372] RBP: ffffc9000105fcb0 R08: ffffffff88972947 R09: 1ffffffff112e528 [ 28.340724][ T372] R10: dffffc0000000000 R11: fffffbfff112e529 R12: ffff88812ef25a84 [ 28.348695][ T372] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 28.356682][ T372] FS: 0000555571cab500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 28.365610][ T372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.372191][ T372] CR2: 0000000000000168 CR3: 0000000127f34000 CR4: 00000000003526b0 [ 28.380185][ T372] Call Trace: [ 28.383460][ T372] [ 28.386406][ T372] vfs_rmdir+0x26a/0x560 [ 28.390659][ T372] incfs_kill_sb+0x109/0x230 [ 28.395255][ T372] deactivate_locked_super+0xd5/0x2a0 [ 28.400629][ T372] deactivate_super+0xb8/0xe0 [ 28.405308][ T372] cleanup_mnt+0x3f1/0x480 [ 28.409741][ T372] __cleanup_mnt+0x1d/0x40 [ 28.414177][ T372] task_work_run+0x1e0/0x250 [ 28.418770][ T372] ? __cfi_task_work_run+0x10/0x10 [ 28.423899][ T372] ? __x64_sys_umount+0x126/0x170 [ 28.428931][ T372] ? __cfi___x64_sys_umount+0x10/0x10 [ 28.434309][ T372] ? __kasan_check_read+0x15/0x20 [ 28.439355][ T372] resume_user_mode_work+0x36/0x50 [ 28.444471][ T372] syscall_exit_to_user_mode+0x64/0xb0 [ 28.449927][ T372] do_syscall_64+0x64/0xf0 [ 28.454349][ T372] ? clear_bhb_loop+0x50/0xa0 [ 28.459023][ T372] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 28.464937][ T372] RIP: 0033:0x7ff59bb901f7 [ 28.469350][ 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 [ 28.488952][ T372] RSP: 002b:00007ffc05be0068 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 28.497364][ T372] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007ff59bb901f7 [ 28.505333][ T372] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc05be0120 [ 28.513319][ T372] RBP: 00007ffc05be0120 R08: 0000000000000000 R09: 0000000000000000 [ 28.521285][ T372] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffc05be11b0 [ 28.529252][ T372] R13: 00007ff59bc11d7d R14: 0000000000006bdd R15: 00007ffc05be11f0 [ 28.537227][ T372] [ 28.540244][ T372] Modules linked in: [ 28.544148][ T372] CR2: 0000000000000168 [ 28.548291][ T372] ---[ end trace 0000000000000000 ]--- [ 28.553739][ T372] RIP: 0010:ihold+0x2a/0x70 [ 28.558258][ T372] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 ed eb 97 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 2c 48 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 fd [ 28.577877][ T372] RSP: 0018:ffffc9000105fca0 EFLAGS: 00010246 [ 28.583957][ T372] RAX: ffff888107383900 RBX: 0000000000000000 RCX: ffff888107383900 [ 28.591932][ T372] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 28.599905][ T372] RBP: ffffc9000105fcb0 R08: ffffffff88972947 R09: 1ffffffff112e528 [ 28.607878][ T372] R10: dffffc0000000000 R11: fffffbfff112e529 R12: ffff88812ef25a84 [ 28.615868][ T372] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 28.623874][ T372] FS: 0000555571cab500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 28.632817][ T372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.639404][ T372] CR2: 0000000000000168 CR3: 0000000127f34000 CR4: 00000000003526b0 [ 28.647382][ T372] Kernel panic - not syncing: Fatal exception [ 28.653743][ T372] Kernel Offset: disabled [ 28.658076][ T372] Rebooting in 86400 seconds..