syzkaller login: [ 45.148445] sshd (217) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:13150' (ECDSA) to the list of known hosts. 2023/05/17 05:13:37 fuzzer started 2023/05/17 05:13:38 dialing manager at localhost:35573 2023/05/17 05:13:38 checking machine... 2023/05/17 05:13:38 checking revisions... [ 47.352332] kmemleak: Automatic memory scanning thread ended 2023/05/17 05:13:38 testing simple program... [ 47.421282] cgroup: Unknown subsys name 'net' [ 47.489713] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 60.778027] audit: type=1400 audit(1684300431.769:6): 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 [ 61.864252] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 61.866932] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 61.868840] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 61.871604] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 61.873888] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 61.875308] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 62.208763] ------------[ cut here ]------------ [ 62.209429] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 62.211364] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 62.212573] Modules linked in: [ 62.212968] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 62.217743] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 62.218787] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 62.219482] 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 [ 62.221672] RSP: 0018:ffff88800c987c00 EFLAGS: 00010282 [ 62.222360] RAX: 0000000000000000 RBX: ffff88800c63e440 RCX: 0000000000000000 [ 62.223262] RDX: ffff8880181b51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 62.224156] RBP: ffff88800c63e454 R08: 0000000000000001 R09: 0000000000000000 [ 62.225057] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 62.225930] R13: ffffffff84e223a0 R14: ffff88800c63e448 R15: ffffffff84d73340 [ 62.226832] FS: 0000555555a99400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 62.227847] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.228590] CR2: 00007f468db236f4 CR3: 000000001a4e0000 CR4: 0000000000350ee0 [ 62.229489] Call Trace: [ 62.229835] [ 62.230166] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 62.230777] ipv4_frags_init_net+0x269/0x440 [ 62.231370] ops_init+0xbb/0x6b0 [ 62.231820] setup_net+0x3d9/0x990 [ 62.232311] ? down_read_killable+0x1d7/0x4e0 [ 62.232881] ? __pfx_setup_net+0x10/0x10 [ 62.233425] ? copy_net_ns+0x17c/0x770 [ 62.233945] copy_net_ns+0x321/0x770 [ 62.234474] create_new_namespaces+0x3f6/0xb30 [ 62.235097] unshare_nsproxy_namespaces+0xc1/0x200 [ 62.235715] ksys_unshare+0x44d/0x8e0 [ 62.236244] ? __pfx_ksys_unshare+0x10/0x10 [ 62.236789] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 62.237535] __x64_sys_unshare+0x31/0x40 [ 62.238104] do_syscall_64+0x3f/0x90 [ 62.238582] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 62.239258] RIP: 0033:0x7fd49e5cd0d7 [ 62.239722] 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 [ 62.241884] RSP: 002b:00007ffccb939228 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 62.242821] RAX: ffffffffffffffda RBX: 00007ffccb939868 RCX: 00007fd49e5cd0d7 [ 62.243716] RDX: 00007fd49e63741f RSI: 00007ffccb9391c0 RDI: 0000000040000000 [ 62.244608] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffccb938fd0 [ 62.245494] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd49e6dfbf0 [ 62.246407] R13: 00007ffccb939300 R14: 0000000000000000 R15: 00000000000000f8 [ 62.247334] [ 62.247631] irq event stamp: 9179 [ 62.248088] hardirqs last enabled at (9191): [] __up_console_sem+0x78/0x80 [ 62.249148] hardirqs last disabled at (9202): [] __up_console_sem+0x5d/0x80 [ 62.250235] softirqs last enabled at (8972): [] irq_exit_rcu+0x93/0xc0 [ 62.251293] softirqs last disabled at (8963): [] irq_exit_rcu+0x93/0xc0 [ 62.252317] ---[ end trace 0000000000000000 ]--- [ 62.257383] ------------[ cut here ]------------ [ 62.258017] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 62.259654] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 62.260735] Modules linked in: [ 62.261177] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 62.262349] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 62.263373] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 62.264053] 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 [ 62.266249] RSP: 0018:ffff88800c987c00 EFLAGS: 00010282 [ 62.266901] RAX: 0000000000000000 RBX: ffff88800d731e40 RCX: 0000000000000000 [ 62.267803] RDX: ffff8880181b51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 62.268696] RBP: ffff88800d731e54 R08: 0000000000000001 R09: 0000000000000000 [ 62.269579] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 62.270481] R13: ffffffff84e223a0 R14: ffff88800d731e48 R15: ffffffff84da62e0 [ 62.271373] FS: 0000555555a99400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 62.272371] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.273117] CR2: 00007f468db236f4 CR3: 000000001a4e0000 CR4: 0000000000350ee0 [ 62.274015] Call Trace: [ 62.274340] [ 62.274639] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 62.275282] ipv6_frags_init_net+0x206/0x3c0 [ 62.275840] ops_init+0xbb/0x6b0 [ 62.276318] setup_net+0x3d9/0x990 [ 62.276778] ? down_read_killable+0x1d7/0x4e0 [ 62.277378] ? __pfx_setup_net+0x10/0x10 [ 62.277900] ? copy_net_ns+0x17c/0x770 [ 62.278431] copy_net_ns+0x321/0x770 [ 62.278917] create_new_namespaces+0x3f6/0xb30 [ 62.279529] unshare_nsproxy_namespaces+0xc1/0x200 [ 62.280178] ksys_unshare+0x44d/0x8e0 [ 62.280673] ? __pfx_ksys_unshare+0x10/0x10 [ 62.281249] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 62.281979] __x64_sys_unshare+0x31/0x40 [ 62.282527] do_syscall_64+0x3f/0x90 [ 62.283032] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 62.283673] RIP: 0033:0x7fd49e5cd0d7 [ 62.284166] 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 [ 62.286338] RSP: 002b:00007ffccb939228 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 62.287284] RAX: ffffffffffffffda RBX: 00007ffccb939868 RCX: 00007fd49e5cd0d7 [ 62.288171] RDX: 00007fd49e63741f RSI: 00007ffccb9391c0 RDI: 0000000040000000 [ 62.289073] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffccb938fd0 [ 62.289953] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd49e6dfbf0 [ 62.290856] R13: 00007ffccb939300 R14: 0000000000000000 R15: 00000000000000f8 [ 62.291782] [ 62.292115] irq event stamp: 10997 [ 62.292562] hardirqs last enabled at (11007): [] __up_console_sem+0x78/0x80 [ 62.293672] hardirqs last disabled at (11018): [] __up_console_sem+0x5d/0x80 [ 62.294752] softirqs last enabled at (9904): [] netlink_insert+0x187/0x1820 [ 62.295827] softirqs last disabled at (9902): [] release_sock+0x1f/0x1b0 [ 62.296864] ---[ end trace 0000000000000000 ]--- [ 62.298252] ------------[ cut here ]------------ [ 62.298840] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 62.300709] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 62.301791] Modules linked in: [ 62.302231] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 62.303385] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 62.304399] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 62.305071] 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 [ 62.307216] RSP: 0018:ffff88800c987bf0 EFLAGS: 00010286 [ 62.307867] RAX: 0000000000000000 RBX: ffff88800d730840 RCX: 0000000000000000 [ 62.308762] RDX: ffff8880181b51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 62.309677] RBP: ffff88800d730854 R08: 0000000000000001 R09: 0000000000000000 [ 62.310570] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 62.311451] R13: ffffffff84e223a0 R14: ffff88800d730848 R15: ffffffff84daf020 [ 62.312343] FS: 0000555555a99400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 62.313351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.314106] CR2: 00007f468db236f4 CR3: 000000001a4e0000 CR4: 0000000000350ee0 [ 62.314966] Call Trace: [ 62.315324] [ 62.315625] nf_ct_net_init+0x224/0x3d0 [ 62.316174] ? __pfx_nf_ct_net_init+0x10/0x10 [ 62.316750] ops_init+0xbb/0x6b0 [ 62.317237] setup_net+0x3d9/0x990 [ 62.317694] ? down_read_killable+0x1d7/0x4e0 [ 62.318296] ? __pfx_setup_net+0x10/0x10 [ 62.318804] ? copy_net_ns+0x17c/0x770 [ 62.319342] copy_net_ns+0x321/0x770 [ 62.319820] create_new_namespaces+0x3f6/0xb30 [ 62.320439] unshare_nsproxy_namespaces+0xc1/0x200 [ 62.321075] ksys_unshare+0x44d/0x8e0 [ 62.321540] ? __pfx_ksys_unshare+0x10/0x10 [ 62.322114] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 62.322784] __x64_sys_unshare+0x31/0x40 [ 62.323312] do_syscall_64+0x3f/0x90 [ 62.323756] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 62.324397] RIP: 0033:0x7fd49e5cd0d7 [ 62.324853] 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 [ 62.326972] RSP: 002b:00007ffccb939228 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 62.327876] RAX: ffffffffffffffda RBX: 00007ffccb939868 RCX: 00007fd49e5cd0d7 [ 62.328748] RDX: 00007fd49e63741f RSI: 00007ffccb9391c0 RDI: 0000000040000000 [ 62.329639] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffccb938fd0 [ 62.330501] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd49e6dfbf0 [ 62.331376] R13: 00007ffccb939300 R14: 0000000000000000 R15: 00000000000000f8 [ 62.332260] [ 62.332546] irq event stamp: 11809 [ 62.332964] hardirqs last enabled at (11819): [] __up_console_sem+0x78/0x80 [ 62.334038] hardirqs last disabled at (11832): [] __up_console_sem+0x5d/0x80 [ 62.335087] softirqs last enabled at (11572): [] irq_exit_rcu+0x93/0xc0 [ 62.336086] softirqs last disabled at (11567): [] irq_exit_rcu+0x93/0xc0 [ 62.337101] ---[ end trace 0000000000000000 ]--- [ 63.890761] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 65.938085] Bluetooth: hci0: command 0x041b tx timeout [ 67.986050] Bluetooth: hci0: command 0x040f tx timeout executing program [ 70.034066] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 05:13:50 Registers: info registers vcpu 0 RAX=fffff940000c4879 RBX=ffffea00006243c0 RCX=ffffffff816a8807 RDX=fffff940000c4879 RSI=0000000000000008 RDI=ffffea00006243c0 RBP=fffff940000c4878 RSP=ffff888016c77a20 R8 =0000000000000000 R9 =fffff940000c4878 R10=ffffea00006243c7 R11=0000000000000001 R12=0000000000000000 R13=ffffffff81b39e40 R14=0000000000001000 R15=ffffea00006243c8 RIP=ffffffff8181055f RFL=00000246 [---Z-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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fb994937900 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=00007fb993d95a90 CR3=00000000094d0000 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=494e4f544f4e4f4d5f454352554f535f XMM01=49545f43494e4f544f4e4f4d5f454352 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=117864066a3bf7200000000000110240 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=8700e90d5e0d762f00000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000007a RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800c9875f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000007a R11=0000000000000001 R12=000000000000007a 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 0000555555a99400 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=00007f468db236f4 CR3=000000001a4e0000 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