syzkaller login: [ 42.130373] sshd (224) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:38867' (ECDSA) to the list of known hosts. 2023/05/18 02:39:54 fuzzer started 2023/05/18 02:39:54 dialing manager at localhost:44319 2023/05/18 02:39:54 checking machine... 2023/05/18 02:39:54 checking revisions... [ 43.359691] kmemleak: Automatic memory scanning thread ended 2023/05/18 02:39:54 testing simple program... [ 43.427222] cgroup: Unknown subsys name 'net' [ 43.479974] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 55.049153] audit: type=1400 audit(1684377606.641:6): avc: denied { execmem } for pid=257 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program [ 56.194297] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 56.196679] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 56.198776] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 56.202495] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 56.204666] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 56.207056] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 56.624194] ------------[ cut here ]------------ [ 56.625013] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 56.626977] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.628282] Modules linked in: [ 56.628808] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 56.634031] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.635309] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.636159] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 56.638533] RSP: 0018:ffff88800da0fc00 EFLAGS: 00010282 [ 56.639254] RAX: 0000000000000000 RBX: ffff88800c933440 RCX: 0000000000000000 [ 56.640226] RDX: ffff88800e773680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 56.641185] RBP: ffff88800c933454 R08: 0000000000000001 R09: 0000000000000000 [ 56.642150] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 56.643093] R13: ffffffff84e23fe0 R14: ffff88800c933448 R15: ffffffff84d74dc0 [ 56.644050] FS: 00005555570cf400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 56.645124] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.645925] CR2: 00007fc0159a56f4 CR3: 000000001a4da000 CR4: 0000000000350ef0 [ 56.646891] Call Trace: [ 56.647246] [ 56.647578] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 56.648272] ipv4_frags_init_net+0x269/0x440 [ 56.648923] ops_init+0xbb/0x6b0 [ 56.649400] setup_net+0x3d9/0x990 [ 56.649923] ? down_read_killable+0x1d7/0x4e0 [ 56.650531] ? __pfx_setup_net+0x10/0x10 [ 56.651115] ? copy_net_ns+0x17c/0x770 [ 56.651656] copy_net_ns+0x321/0x770 [ 56.652209] create_new_namespaces+0x3f6/0xb30 [ 56.652885] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.653541] ksys_unshare+0x44d/0x8e0 [ 56.654090] ? __pfx_ksys_unshare+0x10/0x10 [ 56.654681] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.655469] __x64_sys_unshare+0x31/0x40 [ 56.656059] do_syscall_64+0x3f/0x90 [ 56.656569] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.657321] RIP: 0033:0x7feeb02b00d7 [ 56.657815] 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 [ 56.660139] RSP: 002b:00007fff603ab218 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.661159] RAX: ffffffffffffffda RBX: 00007fff603ab858 RCX: 00007feeb02b00d7 [ 56.662112] RDX: 00007feeb031a41f RSI: 00007fff603ab1b0 RDI: 0000000040000000 [ 56.663056] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff603aafc0 [ 56.664024] R10: 0000000000000000 R11: 0000000000000206 R12: 00007feeb03c2bf0 [ 56.665002] R13: 00007fff603ab2f0 R14: 0000000000000000 R15: 00000000000000f8 [ 56.665983] [ 56.666315] irq event stamp: 8659 [ 56.666784] hardirqs last enabled at (8669): [] __up_console_sem+0x78/0x80 [ 56.667928] hardirqs last disabled at (8682): [] __up_console_sem+0x5d/0x80 [ 56.669072] softirqs last enabled at (8216): [] irq_exit_rcu+0x93/0xc0 [ 56.670173] softirqs last disabled at (8165): [] irq_exit_rcu+0x93/0xc0 [ 56.671320] ---[ end trace 0000000000000000 ]--- [ 56.677479] ------------[ cut here ]------------ [ 56.678166] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 56.680005] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.681133] Modules linked in: [ 56.681567] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 56.682786] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.683860] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.684543] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 56.686882] RSP: 0018:ffff88800da0fc00 EFLAGS: 00010282 [ 56.687601] RAX: 0000000000000000 RBX: ffff88800d767c40 RCX: 0000000000000000 [ 56.688575] RDX: ffff88800e773680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 56.689588] RBP: ffff88800d767c54 R08: 0000000000000001 R09: 0000000000000000 [ 56.690548] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.691535] R13: ffffffff84e23fe0 R14: ffff88800d767c48 R15: ffffffff84da7d60 [ 56.692499] FS: 00005555570cf400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 56.693612] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.694409] CR2: 00007fc0159a56f4 CR3: 000000001a4da000 CR4: 0000000000350ef0 [ 56.695379] Call Trace: [ 56.695732] [ 56.696099] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 56.696775] ipv6_frags_init_net+0x206/0x3c0 [ 56.697405] ops_init+0xbb/0x6b0 [ 56.697929] setup_net+0x3d9/0x990 [ 56.698416] ? down_read_killable+0x1d7/0x4e0 [ 56.699077] ? __pfx_setup_net+0x10/0x10 [ 56.699643] ? copy_net_ns+0x17c/0x770 [ 56.700237] copy_net_ns+0x321/0x770 [ 56.700780] create_new_namespaces+0x3f6/0xb30 [ 56.701448] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.702154] ksys_unshare+0x44d/0x8e0 [ 56.702686] ? __pfx_ksys_unshare+0x10/0x10 [ 56.703302] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.704094] __x64_sys_unshare+0x31/0x40 [ 56.704649] do_syscall_64+0x3f/0x90 [ 56.705198] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.705923] RIP: 0033:0x7feeb02b00d7 [ 56.706424] 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 [ 56.708757] RSP: 002b:00007fff603ab218 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.709766] RAX: ffffffffffffffda RBX: 00007fff603ab858 RCX: 00007feeb02b00d7 [ 56.710711] RDX: 00007feeb031a41f RSI: 00007fff603ab1b0 RDI: 0000000040000000 [ 56.711660] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff603aafc0 [ 56.712657] R10: 0000000000000000 R11: 0000000000000206 R12: 00007feeb03c2bf0 [ 56.713657] R13: 00007fff603ab2f0 R14: 0000000000000000 R15: 00000000000000f8 [ 56.714635] [ 56.714987] irq event stamp: 10525 [ 56.715449] hardirqs last enabled at (10535): [] __up_console_sem+0x78/0x80 [ 56.716593] hardirqs last disabled at (10546): [] __up_console_sem+0x5d/0x80 [ 56.717765] softirqs last enabled at (10228): [] irq_exit_rcu+0x93/0xc0 [ 56.718935] softirqs last disabled at (10219): [] irq_exit_rcu+0x93/0xc0 [ 56.720084] ---[ end trace 0000000000000000 ]--- [ 56.721645] ------------[ cut here ]------------ [ 56.722319] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 56.724363] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.725557] Modules linked in: [ 56.726041] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 56.727331] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.728458] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.729212] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 56.731556] RSP: 0018:ffff88800da0fbf0 EFLAGS: 00010286 [ 56.732286] RAX: 0000000000000000 RBX: ffff88800d767640 RCX: 0000000000000000 [ 56.733259] RDX: ffff88800e773680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 56.734209] RBP: ffff88800d767654 R08: 0000000000000001 R09: 0000000000000000 [ 56.735157] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.736132] R13: ffffffff84e23fe0 R14: ffff88800d767648 R15: ffffffff84db0aa0 [ 56.737089] FS: 00005555570cf400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 56.738182] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.738965] CR2: 00007fc0159a56f4 CR3: 000000001a4da000 CR4: 0000000000350ef0 [ 56.739911] Call Trace: [ 56.740257] [ 56.740573] nf_ct_net_init+0x224/0x3d0 [ 56.741170] ? __pfx_nf_ct_net_init+0x10/0x10 [ 56.741776] ops_init+0xbb/0x6b0 [ 56.742282] setup_net+0x3d9/0x990 [ 56.742767] ? down_read_killable+0x1d7/0x4e0 [ 56.743420] ? __pfx_setup_net+0x10/0x10 [ 56.743992] ? copy_net_ns+0x17c/0x770 [ 56.744530] copy_net_ns+0x321/0x770 [ 56.745087] create_new_namespaces+0x3f6/0xb30 [ 56.745733] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.746415] ksys_unshare+0x44d/0x8e0 [ 56.746985] ? __pfx_ksys_unshare+0x10/0x10 [ 56.747584] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.748396] __x64_sys_unshare+0x31/0x40 [ 56.748984] do_syscall_64+0x3f/0x90 [ 56.749491] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.750203] RIP: 0033:0x7feeb02b00d7 [ 56.750704] 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 [ 56.753037] RSP: 002b:00007fff603ab218 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 56.754045] RAX: ffffffffffffffda RBX: 00007fff603ab858 RCX: 00007feeb02b00d7 [ 56.754986] RDX: 00007feeb031a41f RSI: 00007fff603ab1b0 RDI: 0000000040000000 [ 56.755922] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff603aafc0 [ 56.756906] R10: 0000000000000000 R11: 0000000000000206 R12: 00007feeb03c2bf0 [ 56.757883] R13: 00007fff603ab2f0 R14: 0000000000000000 R15: 00000000000000f8 [ 56.758808] [ 56.759159] irq event stamp: 11283 [ 56.759613] hardirqs last enabled at (11293): [] __up_console_sem+0x78/0x80 [ 56.760787] hardirqs last disabled at (11304): [] __up_console_sem+0x5d/0x80 [ 56.761929] softirqs last enabled at (11044): [] irq_exit_rcu+0x93/0xc0 [ 56.763059] softirqs last disabled at (11039): [] irq_exit_rcu+0x93/0xc0 [ 56.764174] ---[ end trace 0000000000000000 ]--- executing program [ 58.280495] Bluetooth: hci0: command 0x0409 tx timeout [ 60.327906] Bluetooth: hci0: command 0x041b tx timeout executing program [ 62.375901] Bluetooth: hci0: command 0x040f tx timeout executing program [ 64.423997] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 02:40:06 Registers: info registers vcpu 0 RAX=0000000000000072 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88800da0f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000072 R11=0000000000000001 R12=0000000000000072 R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd RFL=00000002 [-------] 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 00005555570cf400 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=00007fc0159a56f4 CR3=000000001a4da000 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=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 info registers vcpu 1 RAX=0000000000034b2b RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f RFL=00000206 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 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 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=00007f09d9532e10 CR3=000000000e4d0000 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=d135a5f5f1c67ab26d429bb1b575fabf XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=290db224f20cb1b4000000000013c440 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=09d8ef721c5a993600000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000