syzkaller login: [ 33.654078] sshd (211) used greatest stack depth: 24016 bytes left Warning: Permanently added '[localhost]:62314' (ECDSA) to the list of known hosts. 2023/05/17 04:57:23 fuzzer started 2023/05/17 04:57:23 dialing manager at localhost:35573 2023/05/17 04:57:23 checking machine... 2023/05/17 04:57:23 checking revisions... [ 38.860198] kmemleak: Automatic memory scanning thread ended 2023/05/17 04:57:24 testing simple program... [ 38.930135] cgroup: Unknown subsys name 'net' [ 39.005610] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 52.781611] audit: type=1400 audit(1684299458.053:6): 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 executing program [ 53.959193] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.967738] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.971059] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.979033] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.985028] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.987104] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 54.396133] ------------[ cut here ]------------ [ 54.396727] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 54.398433] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.399473] Modules linked in: [ 54.399992] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.401917] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.404986] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.406018] 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 [ 54.408227] RSP: 0018:ffff88801ef37c00 EFLAGS: 00010282 [ 54.408932] RAX: 0000000000000000 RBX: ffff88800977b840 RCX: 0000000000000000 [ 54.409831] RDX: ffff88801ef28000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.410701] RBP: ffff88800977b854 R08: 0000000000000001 R09: 0000000000000000 [ 54.411606] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 54.412522] R13: ffffffff84e223a0 R14: ffff88800977b848 R15: ffffffff84d73340 [ 54.413430] FS: 0000555556ae3400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 54.414451] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.415246] CR2: 00007fc84b9d06f4 CR3: 00000000158ac000 CR4: 0000000000350ef0 [ 54.416156] Call Trace: [ 54.416487] [ 54.416827] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 54.417440] ipv4_frags_init_net+0x269/0x440 [ 54.418042] ops_init+0xbb/0x6b0 [ 54.418498] setup_net+0x3d9/0x990 [ 54.418997] ? down_read_killable+0x1d7/0x4e0 [ 54.419597] ? __pfx_setup_net+0x10/0x10 [ 54.420151] ? copy_net_ns+0x17c/0x770 [ 54.420657] copy_net_ns+0x321/0x770 [ 54.421175] create_new_namespaces+0x3f6/0xb30 [ 54.421775] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.422446] ksys_unshare+0x44d/0x8e0 [ 54.422983] ? __pfx_ksys_unshare+0x10/0x10 [ 54.423553] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.424319] __x64_sys_unshare+0x31/0x40 [ 54.424883] do_syscall_64+0x3f/0x90 [ 54.425370] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.426055] RIP: 0033:0x7feb6b15d0d7 [ 54.426530] 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 [ 54.428714] RSP: 002b:00007ffd7bc71a08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.429682] RAX: ffffffffffffffda RBX: 00007ffd7bc72048 RCX: 00007feb6b15d0d7 [ 54.430579] RDX: 00007feb6b1c741f RSI: 00007ffd7bc719a0 RDI: 0000000040000000 [ 54.431484] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd7bc717b0 [ 54.432396] R10: 0000000000000000 R11: 0000000000000202 R12: 00007feb6b26fbf0 [ 54.433296] R13: 00007ffd7bc71ae0 R14: 0000000000000000 R15: 00000000000000f8 [ 54.434236] [ 54.434545] irq event stamp: 8595 [ 54.435018] hardirqs last enabled at (8607): [] __up_console_sem+0x78/0x80 [ 54.436104] hardirqs last disabled at (8618): [] __up_console_sem+0x5d/0x80 [ 54.437181] softirqs last enabled at (8156): [] irq_exit_rcu+0x93/0xc0 [ 54.438220] softirqs last disabled at (8127): [] irq_exit_rcu+0x93/0xc0 [ 54.439282] ---[ end trace 0000000000000000 ]--- [ 54.444607] ------------[ cut here ]------------ [ 54.445474] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 54.447228] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.448302] Modules linked in: [ 54.448721] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.449917] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.450947] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.451602] 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 [ 54.453774] RSP: 0018:ffff88801ef37c00 EFLAGS: 00010282 [ 54.454472] RAX: 0000000000000000 RBX: ffff88800ef7b240 RCX: 0000000000000000 [ 54.455414] RDX: ffff88801ef28000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.456306] RBP: ffff88800ef7b254 R08: 0000000000000001 R09: 0000000000000000 [ 54.457223] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.458145] R13: ffffffff84e223a0 R14: ffff88800ef7b248 R15: ffffffff84da62e0 [ 54.459058] FS: 0000555556ae3400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 54.460083] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.460838] CR2: 00007fc84b9d06f4 CR3: 00000000158ac000 CR4: 0000000000350ef0 [ 54.461712] Call Trace: [ 54.462089] [ 54.462404] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 54.463065] ipv6_frags_init_net+0x206/0x3c0 [ 54.463652] ops_init+0xbb/0x6b0 [ 54.464133] setup_net+0x3d9/0x990 [ 54.464598] ? down_read_killable+0x1d7/0x4e0 [ 54.465205] ? __pfx_setup_net+0x10/0x10 [ 54.465724] ? copy_net_ns+0x17c/0x770 [ 54.466273] copy_net_ns+0x321/0x770 [ 54.466754] create_new_namespaces+0x3f6/0xb30 [ 54.467408] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.468079] ksys_unshare+0x44d/0x8e0 [ 54.468583] ? __pfx_ksys_unshare+0x10/0x10 [ 54.469183] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.469928] __x64_sys_unshare+0x31/0x40 [ 54.470450] do_syscall_64+0x3f/0x90 [ 54.470975] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.471651] RIP: 0033:0x7feb6b15d0d7 [ 54.472162] 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 [ 54.474356] RSP: 002b:00007ffd7bc71a08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.475327] RAX: ffffffffffffffda RBX: 00007ffd7bc72048 RCX: 00007feb6b15d0d7 [ 54.476235] RDX: 00007feb6b1c741f RSI: 00007ffd7bc719a0 RDI: 0000000040000000 [ 54.477151] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd7bc717b0 [ 54.478057] R10: 0000000000000000 R11: 0000000000000202 R12: 00007feb6b26fbf0 [ 54.478974] R13: 00007ffd7bc71ae0 R14: 0000000000000000 R15: 00000000000000f8 [ 54.479937] [ 54.480243] irq event stamp: 10491 [ 54.480683] hardirqs last enabled at (10501): [] __up_console_sem+0x78/0x80 [ 54.481770] hardirqs last disabled at (10512): [] __up_console_sem+0x5d/0x80 [ 54.482873] softirqs last enabled at (9972): [] irq_exit_rcu+0x93/0xc0 [ 54.483939] softirqs last disabled at (9867): [] irq_exit_rcu+0x93/0xc0 [ 54.484996] ---[ end trace 0000000000000000 ]--- [ 54.486334] ------------[ cut here ]------------ [ 54.487006] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 54.488990] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.490068] Modules linked in: [ 54.490474] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.491670] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.492685] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.493375] 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 [ 54.495611] RSP: 0018:ffff88801ef37bf0 EFLAGS: 00010286 [ 54.496303] RAX: 0000000000000000 RBX: ffff88800ef7ac40 RCX: 0000000000000000 [ 54.497217] RDX: ffff88801ef28000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.498116] RBP: ffff88800ef7ac54 R08: 0000000000000001 R09: 0000000000000000 [ 54.499036] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.499955] R13: ffffffff84e223a0 R14: ffff88800ef7ac48 R15: ffffffff84daf020 [ 54.500859] FS: 0000555556ae3400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 54.501859] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.502578] CR2: 00007fc84b9d06f4 CR3: 00000000158ac000 CR4: 0000000000350ef0 [ 54.503497] Call Trace: [ 54.503858] [ 54.504162] nf_ct_net_init+0x224/0x3d0 [ 54.504676] ? __pfx_nf_ct_net_init+0x10/0x10 [ 54.505284] ops_init+0xbb/0x6b0 [ 54.505736] setup_net+0x3d9/0x990 [ 54.506224] ? down_read_killable+0x1d7/0x4e0 [ 54.506813] ? __pfx_setup_net+0x10/0x10 [ 54.507349] ? copy_net_ns+0x17c/0x770 [ 54.507901] copy_net_ns+0x321/0x770 [ 54.508389] create_new_namespaces+0x3f6/0xb30 [ 54.509014] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.509627] ksys_unshare+0x44d/0x8e0 [ 54.510139] ? __pfx_ksys_unshare+0x10/0x10 [ 54.510690] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.511438] __x64_sys_unshare+0x31/0x40 [ 54.511984] do_syscall_64+0x3f/0x90 [ 54.512448] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.513098] RIP: 0033:0x7feb6b15d0d7 [ 54.513553] 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 [ 54.515671] RSP: 002b:00007ffd7bc71a08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.516635] RAX: ffffffffffffffda RBX: 00007ffd7bc72048 RCX: 00007feb6b15d0d7 [ 54.517545] RDX: 00007feb6b1c741f RSI: 00007ffd7bc719a0 RDI: 0000000040000000 [ 54.518442] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd7bc717b0 [ 54.519357] R10: 0000000000000000 R11: 0000000000000202 R12: 00007feb6b26fbf0 [ 54.520248] R13: 00007ffd7bc71ae0 R14: 0000000000000000 R15: 00000000000000f8 [ 54.521181] [ 54.521488] irq event stamp: 11247 [ 54.521961] hardirqs last enabled at (11259): [] __up_console_sem+0x78/0x80 [ 54.523042] hardirqs last disabled at (11270): [] __up_console_sem+0x5d/0x80 [ 54.524116] softirqs last enabled at (11032): [] irq_exit_rcu+0x93/0xc0 [ 54.525167] softirqs last disabled at (11027): [] irq_exit_rcu+0x93/0xc0 [ 54.526208] ---[ end trace 0000000000000000 ]--- [ 56.036371] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 58.083918] Bluetooth: hci0: command 0x041b tx timeout executing program [ 60.132938] Bluetooth: hci0: command 0x040f tx timeout [ 62.179877] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 04:57:37 Registers: info registers vcpu 0 RAX=0000000000000069 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801ef37618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000069 R11=0000000000000001 R12=0000000000000069 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 0000555556ae3400 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=00007fc84b9d06f4 CR3=00000000158ac000 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=0000000000000000 RBX=ffff88800f348000 RCX=ffffffff8164f4f7 RDX=ffff888016c40000 RSI=0000000000000000 RDI=0000000000000005 RBP=0000000000000001 RSP=ffff888015867a90 R8 =0000000000000005 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=ffff8880191c3000 R14=ffff888017a9f000 R15=ffff888016c40000 RIP=ffffffff814bf870 RFL=00000202 [-------] 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 00007f74a0f77700 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=00007fa22a0aedd0 CR3=0000000016cb0000 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=2039333a37353a34302037312079614d XMM01=5d3731393130342e34352020205b203a XMM02=435020647261646e61745320554d4551 XMM03=312e3120534f4942202c293639393120 XMM04=32312e3120534f4942202c2936393931 XMM05=20435020647261646e61745320554d45 XMM06=205d3731393130342e34352020205b20 XMM07=732039333a37353a3430203731207961 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000