syzkaller login: [ 48.707199] sshd (218) used greatest stack depth: 24168 bytes left Warning: Permanently added '[localhost]:42687' (ECDSA) to the list of known hosts. 2023/05/16 19:59:14 fuzzer started 2023/05/16 19:59:14 dialing manager at localhost:35573 2023/05/16 19:59:14 checking machine... 2023/05/16 19:59:14 checking revisions... [ 50.818367] kmemleak: Automatic memory scanning thread ended 2023/05/16 19:59:15 testing simple program... [ 50.885344] cgroup: Unknown subsys name 'net' [ 50.968485] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 63.231079] audit: type=1400 audit(1684267167.528:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 64.399652] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 64.401843] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 64.403381] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 64.406901] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 64.409172] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 64.410321] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 64.813321] ------------[ cut here ]------------ [ 64.814116] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 64.816200] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 64.817510] Modules linked in: [ 64.817948] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 64.821597] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 64.824004] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 64.824650] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 64.827019] RSP: 0018:ffff88800fd5fc00 EFLAGS: 00010282 [ 64.827683] RAX: 0000000000000000 RBX: ffff88800de26440 RCX: 0000000000000000 [ 64.828617] RDX: ffff88800f468000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 64.829528] RBP: ffff88800de26454 R08: 0000000000000001 R09: 0000000000000000 [ 64.830422] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 64.831301] R13: ffffffff84e223a0 R14: ffff88800de26448 R15: ffffffff84d73340 [ 64.832195] FS: 0000555556ba0400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 64.833207] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.833955] CR2: 00007fa004aae000 CR3: 000000001f596000 CR4: 0000000000350ee0 [ 64.834807] Call Trace: [ 64.835165] [ 64.835468] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 64.836116] ipv4_frags_init_net+0x269/0x440 [ 64.836680] ops_init+0xbb/0x6b0 [ 64.837158] setup_net+0x3d9/0x990 [ 64.837635] ? down_read_killable+0x1d7/0x4e0 [ 64.838241] ? __pfx_setup_net+0x10/0x10 [ 64.838759] ? copy_net_ns+0x17c/0x770 [ 64.839294] copy_net_ns+0x321/0x770 [ 64.839792] create_new_namespaces+0x3f6/0xb30 [ 64.840415] unshare_nsproxy_namespaces+0xc1/0x200 [ 64.841071] ksys_unshare+0x44d/0x8e0 [ 64.841579] ? __pfx_ksys_unshare+0x10/0x10 [ 64.842157] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 64.842864] __x64_sys_unshare+0x31/0x40 [ 64.843403] do_syscall_64+0x3f/0x90 [ 64.843872] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 64.844545] RIP: 0033:0x7f435f5160d7 [ 64.845030] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 64.847196] RSP: 002b:00007ffd2ee70498 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 64.848166] RAX: ffffffffffffffda RBX: 00007ffd2ee70ad8 RCX: 00007f435f5160d7 [ 64.849051] RDX: 00007f435f58041f RSI: 00007ffd2ee70430 RDI: 0000000040000000 [ 64.849949] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd2ee70240 [ 64.850796] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f435f628bf0 [ 64.851681] R13: 00007ffd2ee70570 R14: 0000000000000000 R15: 00000000000000f8 [ 64.852590] [ 64.852890] irq event stamp: 9019 [ 64.853378] hardirqs last enabled at (9031): [] __up_console_sem+0x78/0x80 [ 64.854431] hardirqs last disabled at (9042): [] __up_console_sem+0x5d/0x80 [ 64.855479] softirqs last enabled at (8620): [] irq_exit_rcu+0x93/0xc0 [ 64.856491] softirqs last disabled at (8605): [] irq_exit_rcu+0x93/0xc0 [ 64.857530] ---[ end trace 0000000000000000 ]--- [ 64.863095] ------------[ cut here ]------------ [ 64.863692] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 64.865375] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 64.866428] Modules linked in: [ 64.866828] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 64.867975] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 64.868979] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 64.869623] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 64.871766] RSP: 0018:ffff88800fd5fc00 EFLAGS: 00010282 [ 64.872445] RAX: 0000000000000000 RBX: ffff888006a0ea40 RCX: 0000000000000000 [ 64.873358] RDX: ffff88800f468000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 64.874234] RBP: ffff888006a0ea54 R08: 0000000000000001 R09: 0000000000000000 [ 64.875128] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 64.876007] R13: ffffffff84e223a0 R14: ffff888006a0ea48 R15: ffffffff84da62e0 [ 64.876858] FS: 0000555556ba0400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 64.877865] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.878629] CR2: 00007fa004aae000 CR3: 000000001f596000 CR4: 0000000000350ee0 [ 64.879534] Call Trace: [ 64.879863] [ 64.880193] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 64.880811] ipv6_frags_init_net+0x206/0x3c0 [ 64.881413] ops_init+0xbb/0x6b0 [ 64.881857] setup_net+0x3d9/0x990 [ 64.882341] ? down_read_killable+0x1d7/0x4e0 [ 64.882943] ? __pfx_setup_net+0x10/0x10 [ 64.883451] ? copy_net_ns+0x17c/0x770 [ 64.883981] copy_net_ns+0x321/0x770 [ 64.884464] create_new_namespaces+0x3f6/0xb30 [ 64.885074] unshare_nsproxy_namespaces+0xc1/0x200 [ 64.885702] ksys_unshare+0x44d/0x8e0 [ 64.886221] ? __pfx_ksys_unshare+0x10/0x10 [ 64.886768] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 64.887508] __x64_sys_unshare+0x31/0x40 [ 64.888051] do_syscall_64+0x3f/0x90 [ 64.888523] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 64.889193] RIP: 0033:0x7f435f5160d7 [ 64.889688] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 64.891851] RSP: 002b:00007ffd2ee70498 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 64.892799] RAX: ffffffffffffffda RBX: 00007ffd2ee70ad8 RCX: 00007f435f5160d7 [ 64.893699] RDX: 00007f435f58041f RSI: 00007ffd2ee70430 RDI: 0000000040000000 [ 64.894589] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd2ee70240 [ 64.895483] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f435f628bf0 [ 64.896372] R13: 00007ffd2ee70570 R14: 0000000000000000 R15: 00000000000000f8 [ 64.897293] [ 64.897591] irq event stamp: 10841 [ 64.898059] hardirqs last enabled at (10853): [] __up_console_sem+0x78/0x80 [ 64.899182] hardirqs last disabled at (10864): [] __up_console_sem+0x5d/0x80 [ 64.900312] softirqs last enabled at (10070): [] irq_exit_rcu+0x93/0xc0 [ 64.901435] softirqs last disabled at (10013): [] irq_exit_rcu+0x93/0xc0 [ 64.902541] ---[ end trace 0000000000000000 ]--- [ 64.903870] ------------[ cut here ]------------ [ 64.904517] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 64.906457] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 64.907557] Modules linked in: [ 64.908024] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 64.909278] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 64.910360] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 64.911059] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 64.913356] RSP: 0018:ffff88800fd5fbf0 EFLAGS: 00010286 [ 64.914075] RAX: 0000000000000000 RBX: ffff888006a0e240 RCX: 0000000000000000 [ 64.915005] RDX: ffff88800f468000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 64.915901] RBP: ffff888006a0e254 R08: 0000000000000001 R09: 0000000000000000 [ 64.916836] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 64.917769] R13: ffffffff84e223a0 R14: ffff888006a0e248 R15: ffffffff84daf020 [ 64.918705] FS: 0000555556ba0400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 64.919749] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.920528] CR2: 00007fa004aae000 CR3: 000000001f596000 CR4: 0000000000350ee0 [ 64.921500] Call Trace: [ 64.921848] [ 64.922201] nf_ct_net_init+0x224/0x3d0 [ 64.922754] ? __pfx_nf_ct_net_init+0x10/0x10 [ 64.923384] ops_init+0xbb/0x6b0 [ 64.923854] setup_net+0x3d9/0x990 [ 64.924361] ? down_read_killable+0x1d7/0x4e0 [ 64.924978] ? __pfx_setup_net+0x10/0x10 [ 64.925554] ? copy_net_ns+0x17c/0x770 [ 64.926117] copy_net_ns+0x321/0x770 [ 64.926624] create_new_namespaces+0x3f6/0xb30 [ 64.927263] unshare_nsproxy_namespaces+0xc1/0x200 [ 64.927944] ksys_unshare+0x44d/0x8e0 [ 64.928453] ? __pfx_ksys_unshare+0x10/0x10 [ 64.929066] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 64.929834] __x64_sys_unshare+0x31/0x40 [ 64.930407] do_syscall_64+0x3f/0x90 [ 64.930947] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 64.931615] RIP: 0033:0x7f435f5160d7 [ 64.932130] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 64.934478] RSP: 002b:00007ffd2ee70498 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 64.935476] RAX: ffffffffffffffda RBX: 00007ffd2ee70ad8 RCX: 00007f435f5160d7 [ 64.936398] RDX: 00007f435f58041f RSI: 00007ffd2ee70430 RDI: 0000000040000000 [ 64.937341] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd2ee70240 [ 64.938270] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f435f628bf0 [ 64.939211] R13: 00007ffd2ee70570 R14: 0000000000000000 R15: 00000000000000f8 [ 64.940170] [ 64.940483] irq event stamp: 11599 [ 64.940971] hardirqs last enabled at (11611): [] __up_console_sem+0x78/0x80 [ 64.942119] hardirqs last disabled at (11622): [] __up_console_sem+0x5d/0x80 [ 64.943244] softirqs last enabled at (11304): [] irq_exit_rcu+0x93/0xc0 [ 64.944331] softirqs last disabled at (11299): [] irq_exit_rcu+0x93/0xc0 [ 64.945426] ---[ end trace 0000000000000000 ]--- executing program [ 66.421571] Bluetooth: hci0: command 0x0409 tx timeout [ 68.468056] Bluetooth: hci0: command 0x041b tx timeout executing program [ 70.516084] Bluetooth: hci0: command 0x040f tx timeout executing program [ 72.563987] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 19:59:14 Registers: info registers vcpu 0 RAX=0000000080000102 RBX=ffffffff86610f8f RCX=ffffffff8139f08d RDX=ffffffff8542a780 RSI=0000000000000100 RDI=0000000000000006 RBP=ffffffffffffffff RSP=ffff88806ce09a28 R8 =0000000000000006 R9 =ffffffff86610f8f R10=ffffffffffffffff R11=ffff88806ce09ae0 R12=ffff88806ce09b68 R13=0000000000000000 R14=ffffffff8542a780 R15=ffff88800e013ec0 RIP=ffffffff814bf271 RFL=00000206 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff88806ce00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fa0049ea078 CR3=000000000c49e000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=2039323a39353a39312036312079614d XMM01=5d3834393731382e34362020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d38 XMM07=6e72656b2072656c6c616b7a79732039 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000005 RBX=00000000000003f9 RCX=0000000000000000 RDX=00000000000003f9 RSI=ffffffff825075f0 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800fd5f620 R8 =0000000000000001 R9 =ffffed1001fabeb5 R10=0000000000000003 R11=0000000000000001 R12=000000000000005f R13=ffffffff87f27bc0 R14=ffffffff87f27c10 R15=ffffffff87f27e78 RIP=ffffffff82507645 RFL=00000006 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000555556ba0400 00000000 00000000 GS =0000 ffff88806cf00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fa004aae000 CR3=000000001f596000 CR4=00350ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=00000000000000000000000000000000 XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000 XMM04=0000000000000000000000000000ff00 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000