syzkaller login: [ 43.150998] sshd (224) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:31836' (ECDSA) to the list of known hosts. 2023/05/16 23:29:05 fuzzer started 2023/05/16 23:29:05 dialing manager at localhost:35573 2023/05/16 23:29:05 checking machine... 2023/05/16 23:29:05 checking revisions... [ 45.281364] kmemleak: Automatic memory scanning thread ended 2023/05/16 23:29:05 testing simple program... [ 45.353291] cgroup: Unknown subsys name 'net' [ 45.437798] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 57.945910] audit: type=1400 audit(1684279758.462:6): avc: denied { execmem } for pid=266 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 59.097204] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.098845] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.102633] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.105739] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.107385] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.108661] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.491887] ------------[ cut here ]------------ [ 59.492543] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 59.494579] WARNING: CPU: 1 PID: 267 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.495637] Modules linked in: [ 59.496063] CPU: 1 PID: 267 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.500088] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.501135] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.501790] 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 [ 59.503973] RSP: 0018:ffff888018b0fc00 EFLAGS: 00010282 [ 59.504659] RAX: 0000000000000000 RBX: ffff88801649e040 RCX: 0000000000000000 [ 59.505548] RDX: ffff8880188151c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.506452] RBP: ffff88801649e054 R08: 0000000000000001 R09: 0000000000000000 [ 59.507348] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 59.508228] R13: ffffffff84e223a0 R14: ffff88801649e048 R15: ffffffff84d73340 [ 59.509091] FS: 0000555555a24400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.510122] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.510829] CR2: 00007f39afa666f4 CR3: 000000000903e000 CR4: 0000000000350ee0 [ 59.511722] Call Trace: [ 59.512051] [ 59.512376] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 59.512989] ipv4_frags_init_net+0x269/0x440 [ 59.513581] ops_init+0xbb/0x6b0 [ 59.514039] setup_net+0x3d9/0x990 [ 59.514522] ? down_read_killable+0x1d7/0x4e0 [ 59.515093] ? __pfx_setup_net+0x10/0x10 [ 59.515626] ? copy_net_ns+0x17c/0x770 [ 59.516164] copy_net_ns+0x321/0x770 [ 59.516642] create_new_namespaces+0x3f6/0xb30 [ 59.517279] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.517893] ksys_unshare+0x44d/0x8e0 [ 59.518413] ? __pfx_ksys_unshare+0x10/0x10 [ 59.518964] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.519709] __x64_sys_unshare+0x31/0x40 [ 59.520258] do_syscall_64+0x3f/0x90 [ 59.520735] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.521421] RIP: 0033:0x7f56aebb00d7 [ 59.521887] 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 [ 59.524033] RSP: 002b:00007ffc34815208 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.524985] RAX: ffffffffffffffda RBX: 00007ffc34815848 RCX: 00007f56aebb00d7 [ 59.525889] RDX: 00007f56aec1a41f RSI: 00007ffc348151a0 RDI: 0000000040000000 [ 59.526786] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc34814fb0 [ 59.527679] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f56aecc2bf0 [ 59.528565] R13: 00007ffc348152e0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.529503] [ 59.529804] irq event stamp: 8029 [ 59.530267] hardirqs last enabled at (8041): [] __up_console_sem+0x78/0x80 [ 59.531325] hardirqs last disabled at (8052): [] __up_console_sem+0x5d/0x80 [ 59.532382] softirqs last enabled at (7566): [] irq_exit_rcu+0x93/0xc0 [ 59.533436] softirqs last disabled at (7557): [] irq_exit_rcu+0x93/0xc0 [ 59.534464] ---[ end trace 0000000000000000 ]--- [ 59.539778] ------------[ cut here ]------------ [ 59.540422] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 59.542344] WARNING: CPU: 1 PID: 267 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.543408] Modules linked in: [ 59.543816] CPU: 1 PID: 267 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.544967] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.545993] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.546670] 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 [ 59.548847] RSP: 0018:ffff888018b0fc00 EFLAGS: 00010282 [ 59.549575] RAX: 0000000000000000 RBX: ffff88800c7fc640 RCX: 0000000000000000 [ 59.550450] RDX: ffff8880188151c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.551336] RBP: ffff88800c7fc654 R08: 0000000000000001 R09: 0000000000000000 [ 59.552237] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.553131] R13: ffffffff84e223a0 R14: ffff88800c7fc648 R15: ffffffff84da62e0 [ 59.554015] FS: 0000555555a24400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.555018] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.555756] CR2: 00007f39afa666f4 CR3: 000000000903e000 CR4: 0000000000350ee0 [ 59.556657] Call Trace: [ 59.556987] [ 59.557322] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 59.557939] ipv6_frags_init_net+0x206/0x3c0 [ 59.558522] ops_init+0xbb/0x6b0 [ 59.558961] setup_net+0x3d9/0x990 [ 59.559445] ? down_read_killable+0x1d7/0x4e0 [ 59.560008] ? __pfx_setup_net+0x10/0x10 [ 59.560540] ? copy_net_ns+0x17c/0x770 [ 59.561045] copy_net_ns+0x321/0x770 [ 59.561557] create_new_namespaces+0x3f6/0xb30 [ 59.562163] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.562772] ksys_unshare+0x44d/0x8e0 [ 59.563292] ? __pfx_ksys_unshare+0x10/0x10 [ 59.563834] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.564562] __x64_sys_unshare+0x31/0x40 [ 59.565077] do_syscall_64+0x3f/0x90 [ 59.565601] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.566272] RIP: 0033:0x7f56aebb00d7 [ 59.566750] 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 [ 59.568924] RSP: 002b:00007ffc34815208 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.569890] RAX: ffffffffffffffda RBX: 00007ffc34815848 RCX: 00007f56aebb00d7 [ 59.570782] RDX: 00007f56aec1a41f RSI: 00007ffc348151a0 RDI: 0000000040000000 [ 59.571672] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc34814fb0 [ 59.572559] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f56aecc2bf0 [ 59.573471] R13: 00007ffc348152e0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.574383] [ 59.574685] irq event stamp: 9945 [ 59.575138] hardirqs last enabled at (9957): [] __up_console_sem+0x78/0x80 [ 59.576181] hardirqs last disabled at (9968): [] __up_console_sem+0x5d/0x80 [ 59.577250] softirqs last enabled at (9482): [] irq_exit_rcu+0x93/0xc0 [ 59.578280] softirqs last disabled at (9477): [] irq_exit_rcu+0x93/0xc0 [ 59.579314] ---[ end trace 0000000000000000 ]--- [ 59.580670] ------------[ cut here ]------------ [ 59.581293] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.583185] WARNING: CPU: 1 PID: 267 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.584238] Modules linked in: [ 59.584645] CPU: 1 PID: 267 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.585825] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.586842] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.587521] 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 [ 59.589697] RSP: 0018:ffff888018b0fbf0 EFLAGS: 00010286 [ 59.590395] RAX: 0000000000000000 RBX: ffff88800edf4c40 RCX: 0000000000000000 [ 59.591284] RDX: ffff8880188151c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.592163] RBP: ffff88800edf4c54 R08: 0000000000000001 R09: 0000000000000000 [ 59.593021] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.593920] R13: ffffffff84e223a0 R14: ffff88800edf4c48 R15: ffffffff84daf020 [ 59.594813] FS: 0000555555a24400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.595802] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.596539] CR2: 00007f39afa666f4 CR3: 000000000903e000 CR4: 0000000000350ee0 [ 59.597458] Call Trace: [ 59.597785] [ 59.598081] nf_ct_net_init+0x224/0x3d0 [ 59.598626] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.599226] ops_init+0xbb/0x6b0 [ 59.599668] setup_net+0x3d9/0x990 [ 59.600147] ? down_read_killable+0x1d7/0x4e0 [ 59.600711] ? __pfx_setup_net+0x10/0x10 [ 59.601273] ? copy_net_ns+0x17c/0x770 [ 59.601783] copy_net_ns+0x321/0x770 [ 59.602301] create_new_namespaces+0x3f6/0xb30 [ 59.602890] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.603532] ksys_unshare+0x44d/0x8e0 [ 59.604032] ? __pfx_ksys_unshare+0x10/0x10 [ 59.604603] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.605372] __x64_sys_unshare+0x31/0x40 [ 59.605895] do_syscall_64+0x3f/0x90 [ 59.606413] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.607050] RIP: 0033:0x7f56aebb00d7 [ 59.607548] 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 [ 59.609705] RSP: 002b:00007ffc34815208 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.610659] RAX: ffffffffffffffda RBX: 00007ffc34815848 RCX: 00007f56aebb00d7 [ 59.611557] RDX: 00007f56aec1a41f RSI: 00007ffc348151a0 RDI: 0000000040000000 [ 59.612462] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc34814fb0 [ 59.613371] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f56aecc2bf0 [ 59.614273] R13: 00007ffc348152e0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.615193] [ 59.615494] irq event stamp: 10795 [ 59.615929] hardirqs last enabled at (10805): [] __up_console_sem+0x78/0x80 [ 59.616991] hardirqs last disabled at (10816): [] __up_console_sem+0x5d/0x80 [ 59.618088] softirqs last enabled at (10690): [] irq_exit_rcu+0x93/0xc0 [ 59.619170] softirqs last disabled at (10685): [] irq_exit_rcu+0x93/0xc0 [ 59.620231] ---[ end trace 0000000000000000 ]--- executing program [ 61.121787] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 63.170273] Bluetooth: hci0: command 0x041b tx timeout [ 65.217182] Bluetooth: hci0: command 0x040f tx timeout executing program [ 67.265187] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 23:29:19 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffff888016b19b40 RCX=1ffffffff0ba6429 RDX=1ffff11002d634a5 RSI=0000000000000006 RDI=ffff888016b1a528 RBP=ffff888016b19b40 RSP=ffff888016b9feb8 R8 =0000000000000000 R9 =0000000000000001 R10=ffffffff85d34a17 R11=0000000000000001 R12=0000000000000006 R13=dffffc0000000000 R14=ffff888016b1a530 R15=0000000000000000 RIP=ffffffff812d0907 RFL=00000092 [--S-A--] 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 00007f9d10b27900 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=00007f9d0ff2d290 CR3=000000000ea86000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=024986f3346d33ad000000000013cbc8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=3ebd10dbe79f010000000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000065 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888018b0f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000065 R11=0000000000000001 R12=0000000000000065 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 0000555555a24400 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=00007f39afa666f4 CR3=000000000903e000 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