syzkaller login: [ 50.163364] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:3105' (ECDSA) to the list of known hosts. 2023/05/16 15:10:00 fuzzer started 2023/05/16 15:10:01 dialing manager at localhost:35573 2023/05/16 15:10:01 checking machine... 2023/05/16 15:10:01 checking revisions... [ 51.353650] kmemleak: Automatic memory scanning thread ended 2023/05/16 15:10:01 testing simple program... [ 51.426545] cgroup: Unknown subsys name 'net' [ 51.480970] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 65.020217] audit: type=1400 audit(1684249815.004:6): 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 [ 66.127063] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 66.129589] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 66.130860] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 66.133851] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 66.135814] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 66.137234] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 66.525025] ------------[ cut here ]------------ [ 66.525851] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 66.528074] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 66.529435] Modules linked in: [ 66.529939] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 66.534677] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 66.535707] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 66.536375] 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 [ 66.538542] RSP: 0018:ffff88801ee57c00 EFLAGS: 00010282 [ 66.539229] RAX: 0000000000000000 RBX: ffff88800ef4c840 RCX: 0000000000000000 [ 66.540090] RDX: ffff88801695d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 66.540960] RBP: ffff88800ef4c854 R08: 0000000000000001 R09: 0000000000000000 [ 66.541837] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 66.542758] R13: ffffffff84e223a0 R14: ffff88800ef4c848 R15: ffffffff84d73340 [ 66.543634] FS: 0000555555ec5400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 66.544633] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.545369] CR2: 00007fe05eed36f4 CR3: 000000000d900000 CR4: 0000000000350ee0 [ 66.546261] Call Trace: [ 66.546599] [ 66.546899] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 66.547542] ipv4_frags_init_net+0x269/0x440 [ 66.548102] ops_init+0xbb/0x6b0 [ 66.548576] setup_net+0x3d9/0x990 [ 66.549026] ? down_read_killable+0x1d7/0x4e0 [ 66.549621] ? __pfx_setup_net+0x10/0x10 [ 66.550157] ? copy_net_ns+0x17c/0x770 [ 66.550670] copy_net_ns+0x321/0x770 [ 66.551182] create_new_namespaces+0x3f6/0xb30 [ 66.551770] unshare_nsproxy_namespaces+0xc1/0x200 [ 66.552410] ksys_unshare+0x44d/0x8e0 [ 66.552901] ? __pfx_ksys_unshare+0x10/0x10 [ 66.553467] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 66.554198] __x64_sys_unshare+0x31/0x40 [ 66.554732] do_syscall_64+0x3f/0x90 [ 66.555237] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 66.555877] RIP: 0033:0x7effd1f0f0d7 [ 66.556371] 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 [ 66.558505] RSP: 002b:00007ffecce24e78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 66.559452] RAX: ffffffffffffffda RBX: 00007ffecce254b8 RCX: 00007effd1f0f0d7 [ 66.560326] RDX: 00007effd1f7941f RSI: 00007ffecce24e10 RDI: 0000000040000000 [ 66.561190] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffecce24c20 [ 66.562034] R10: 0000000000000000 R11: 0000000000000206 R12: 00007effd2021bf0 [ 66.562916] R13: 00007ffecce24f50 R14: 0000000000000000 R15: 00000000000000f8 [ 66.563812] [ 66.564111] irq event stamp: 8617 [ 66.564564] hardirqs last enabled at (8629): [] __up_console_sem+0x78/0x80 [ 66.565610] hardirqs last disabled at (8640): [] __up_console_sem+0x5d/0x80 [ 66.566678] softirqs last enabled at (8544): [] irq_exit_rcu+0x93/0xc0 [ 66.567705] softirqs last disabled at (8539): [] irq_exit_rcu+0x93/0xc0 [ 66.568720] ---[ end trace 0000000000000000 ]--- [ 66.574026] ------------[ cut here ]------------ [ 66.574687] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 66.576412] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 66.577482] Modules linked in: [ 66.577897] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 66.579067] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 66.580105] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 66.580779] 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 [ 66.583013] RSP: 0018:ffff88801ee57c00 EFLAGS: 00010282 [ 66.583696] RAX: 0000000000000000 RBX: ffff88801025fa40 RCX: 0000000000000000 [ 66.584583] RDX: ffff88801695d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 66.585483] RBP: ffff88801025fa54 R08: 0000000000000001 R09: 0000000000000000 [ 66.586371] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 66.587277] R13: ffffffff84e223a0 R14: ffff88801025fa48 R15: ffffffff84da62e0 [ 66.588171] FS: 0000555555ec5400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 66.589172] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.589881] CR2: 00007fe05eed36f4 CR3: 000000000d900000 CR4: 0000000000350ee0 [ 66.590794] Call Trace: [ 66.591149] [ 66.591447] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 66.592053] ipv6_frags_init_net+0x206/0x3c0 [ 66.592639] ops_init+0xbb/0x6b0 [ 66.593082] setup_net+0x3d9/0x990 [ 66.593566] ? down_read_killable+0x1d7/0x4e0 [ 66.594167] ? __pfx_setup_net+0x10/0x10 [ 66.594678] ? copy_net_ns+0x17c/0x770 [ 66.595201] copy_net_ns+0x321/0x770 [ 66.595679] create_new_namespaces+0x3f6/0xb30 [ 66.596283] unshare_nsproxy_namespaces+0xc1/0x200 [ 66.596895] ksys_unshare+0x44d/0x8e0 [ 66.597411] ? __pfx_ksys_unshare+0x10/0x10 [ 66.597962] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 66.598717] __x64_sys_unshare+0x31/0x40 [ 66.599271] do_syscall_64+0x3f/0x90 [ 66.599767] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 66.600428] RIP: 0033:0x7effd1f0f0d7 [ 66.600886] 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 [ 66.603090] RSP: 002b:00007ffecce24e78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 66.604033] RAX: ffffffffffffffda RBX: 00007ffecce254b8 RCX: 00007effd1f0f0d7 [ 66.604921] RDX: 00007effd1f7941f RSI: 00007ffecce24e10 RDI: 0000000040000000 [ 66.605814] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffecce24c20 [ 66.606747] R10: 0000000000000000 R11: 0000000000000206 R12: 00007effd2021bf0 [ 66.607679] R13: 00007ffecce24f50 R14: 0000000000000000 R15: 00000000000000f8 [ 66.608618] [ 66.608921] irq event stamp: 10399 [ 66.609382] hardirqs last enabled at (10411): [] __up_console_sem+0x78/0x80 [ 66.610474] hardirqs last disabled at (10422): [] __up_console_sem+0x5d/0x80 [ 66.611550] softirqs last enabled at (9666): [] irq_exit_rcu+0x93/0xc0 [ 66.612571] softirqs last disabled at (9655): [] irq_exit_rcu+0x93/0xc0 [ 66.613595] ---[ end trace 0000000000000000 ]--- [ 66.614923] ------------[ cut here ]------------ [ 66.615551] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 66.617514] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 66.618585] Modules linked in: [ 66.618993] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 66.620167] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 66.621208] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 66.621898] 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 [ 66.624109] RSP: 0018:ffff88801ee57bf0 EFLAGS: 00010286 [ 66.624786] RAX: 0000000000000000 RBX: ffff888009689040 RCX: 0000000000000000 [ 66.625685] RDX: ffff88801695d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 66.626612] RBP: ffff888009689054 R08: 0000000000000001 R09: 0000000000000000 [ 66.627523] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 66.628406] R13: ffffffff84e223a0 R14: ffff888009689048 R15: ffffffff84daf020 [ 66.629285] FS: 0000555555ec5400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 66.630292] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.631027] CR2: 00007fe05eed36f4 CR3: 000000000d900000 CR4: 0000000000350ee0 [ 66.631952] Call Trace: [ 66.632317] [ 66.632630] nf_ct_net_init+0x224/0x3d0 [ 66.633203] ? __pfx_nf_ct_net_init+0x10/0x10 [ 66.633786] ops_init+0xbb/0x6b0 [ 66.634264] setup_net+0x3d9/0x990 [ 66.634726] ? down_read_killable+0x1d7/0x4e0 [ 66.635319] ? __pfx_setup_net+0x10/0x10 [ 66.635827] ? copy_net_ns+0x17c/0x770 [ 66.636359] copy_net_ns+0x321/0x770 [ 66.636855] create_new_namespaces+0x3f6/0xb30 [ 66.637491] unshare_nsproxy_namespaces+0xc1/0x200 [ 66.638115] ksys_unshare+0x44d/0x8e0 [ 66.638655] ? __pfx_ksys_unshare+0x10/0x10 [ 66.639227] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 66.639959] __x64_sys_unshare+0x31/0x40 [ 66.640516] do_syscall_64+0x3f/0x90 [ 66.640997] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 66.641668] RIP: 0033:0x7effd1f0f0d7 [ 66.642158] 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 [ 66.644362] RSP: 002b:00007ffecce24e78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 66.645328] RAX: ffffffffffffffda RBX: 00007ffecce254b8 RCX: 00007effd1f0f0d7 [ 66.646219] RDX: 00007effd1f7941f RSI: 00007ffecce24e10 RDI: 0000000040000000 [ 66.647103] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffecce24c20 [ 66.647995] R10: 0000000000000000 R11: 0000000000000206 R12: 00007effd2021bf0 [ 66.648886] R13: 00007ffecce24f50 R14: 0000000000000000 R15: 00000000000000f8 [ 66.649804] [ 66.650101] irq event stamp: 11141 [ 66.650564] hardirqs last enabled at (11153): [] __up_console_sem+0x78/0x80 [ 66.651625] hardirqs last disabled at (11164): [] __up_console_sem+0x5d/0x80 [ 66.652682] softirqs last enabled at (10714): [] irq_exit_rcu+0x93/0xc0 [ 66.653720] softirqs last disabled at (10709): [] irq_exit_rcu+0x93/0xc0 [ 66.654772] ---[ end trace 0000000000000000 ]--- [ 68.205852] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 70.253203] Bluetooth: hci0: command 0x041b tx timeout executing program [ 72.302300] Bluetooth: hci0: command 0x040f tx timeout [ 74.349263] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 15:10:01 Registers: info registers vcpu 0 RAX=000000000002f7a9 RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f 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 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=00007f51b29e5430 CR3=00000000167f6000 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=2036313a30313a35312036312079614d XMM01=5d3533343932352e36362020205b203a XMM02=646f4d205d3533343932352e36362020 XMM03=6b7a79732036313a30313a3531203631 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120383532203a4449 XMM06=57205d3437303832352e36362020205b XMM07=79732036313a30313a35312036312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000073 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801ee575f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000073 R11=0000000000000001 R12=0000000000000073 R13=ffffffff87f27bc0 R14=0000000000000010 R15=ffffffff82507670 RIP=ffffffff825076dd 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 0000555555ec5400 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=00007fe05eed36f4 CR3=000000000d900000 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