syzkaller login: [ 41.600551] sshd (211) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:63332' (ECDSA) to the list of known hosts. 2023/05/17 06:18:58 fuzzer started 2023/05/17 06:18:58 dialing manager at localhost:35573 2023/05/17 06:18:58 checking machine... 2023/05/17 06:18:58 checking revisions... [ 46.592554] kmemleak: Automatic memory scanning thread ended 2023/05/17 06:18:58 testing simple program... [ 46.659593] cgroup: Unknown subsys name 'net' [ 46.758250] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 59.731284] audit: type=1400 audit(1684304351.770:6): 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 [ 60.887900] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 60.891695] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 60.893245] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 60.895873] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 60.897600] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 60.898978] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 61.303908] ------------[ cut here ]------------ [ 61.304680] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 61.306884] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.307924] Modules linked in: [ 61.308335] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 61.309428] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.311403] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.312823] 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 [ 61.315747] RSP: 0018:ffff88801e0c7c00 EFLAGS: 00010282 [ 61.316397] RAX: 0000000000000000 RBX: ffff88800e126040 RCX: 0000000000000000 [ 61.317257] RDX: ffff888014521b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 61.318125] RBP: ffff88800e126054 R08: 0000000000000001 R09: 0000000000000000 [ 61.318975] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 61.319853] R13: ffffffff84e223a0 R14: ffff88800e126048 R15: ffffffff84d73340 [ 61.320728] FS: 0000555555597400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 61.321712] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.322450] CR2: 00007f2a6ac9d008 CR3: 0000000014694000 CR4: 0000000000350ee0 [ 61.323340] Call Trace: [ 61.323657] [ 61.323952] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 61.324592] ipv4_frags_init_net+0x269/0x440 [ 61.325172] ops_init+0xbb/0x6b0 [ 61.325613] setup_net+0x3d9/0x990 [ 61.326094] ? down_read_killable+0x1d7/0x4e0 [ 61.326660] ? __pfx_setup_net+0x10/0x10 [ 61.327215] ? copy_net_ns+0x17c/0x770 [ 61.327725] copy_net_ns+0x321/0x770 [ 61.328233] create_new_namespaces+0x3f6/0xb30 [ 61.328818] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.329455] ksys_unshare+0x44d/0x8e0 [ 61.329941] ? __pfx_ksys_unshare+0x10/0x10 [ 61.330505] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.331246] __x64_sys_unshare+0x31/0x40 [ 61.331765] do_syscall_64+0x3f/0x90 [ 61.332260] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.332893] RIP: 0033:0x7ff7e6e980d7 [ 61.333383] 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 [ 61.335535] RSP: 002b:00007fff64cbfa98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 61.336485] RAX: ffffffffffffffda RBX: 00007fff64cc00d8 RCX: 00007ff7e6e980d7 [ 61.337347] RDX: 00007ff7e6f0241f RSI: 00007fff64cbfa30 RDI: 0000000040000000 [ 61.338233] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff64cbf840 [ 61.339123] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff7e6faabf0 [ 61.339939] R13: 00007fff64cbfb70 R14: 0000000000000000 R15: 00000000000000f8 [ 61.340800] [ 61.341111] irq event stamp: 7871 [ 61.341512] hardirqs last enabled at (7881): [] __up_console_sem+0x78/0x80 [ 61.342510] hardirqs last disabled at (7892): [] __up_console_sem+0x5d/0x80 [ 61.343512] softirqs last enabled at (7820): [] irq_exit_rcu+0x93/0xc0 [ 61.344476] softirqs last disabled at (7815): [] irq_exit_rcu+0x93/0xc0 [ 61.345438] ---[ end trace 0000000000000000 ]--- [ 61.351279] ------------[ cut here ]------------ [ 61.351853] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 61.353565] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.354607] Modules linked in: [ 61.355047] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 61.356294] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.357415] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.358095] 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 [ 61.360273] RSP: 0018:ffff88801e0c7c00 EFLAGS: 00010282 [ 61.360948] RAX: 0000000000000000 RBX: ffff888013a1ba40 RCX: 0000000000000000 [ 61.361867] RDX: ffff888014521b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 61.362779] RBP: ffff888013a1ba54 R08: 0000000000000001 R09: 0000000000000000 [ 61.363695] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 61.364611] R13: ffffffff84e223a0 R14: ffff888013a1ba48 R15: ffffffff84da62e0 [ 61.365502] FS: 0000555555597400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 61.366506] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.367266] CR2: 00007f2a6ac9d008 CR3: 0000000014694000 CR4: 0000000000350ee0 [ 61.368162] Call Trace: [ 61.368502] [ 61.368793] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 61.369527] ipv6_frags_init_net+0x206/0x3c0 [ 61.370127] ops_init+0xbb/0x6b0 [ 61.370578] setup_net+0x3d9/0x990 [ 61.371069] ? down_read_killable+0x1d7/0x4e0 [ 61.371643] ? __pfx_setup_net+0x10/0x10 [ 61.372174] ? copy_net_ns+0x17c/0x770 [ 61.372698] copy_net_ns+0x321/0x770 [ 61.373208] create_new_namespaces+0x3f6/0xb30 [ 61.373798] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.374449] ksys_unshare+0x44d/0x8e0 [ 61.374974] ? __pfx_ksys_unshare+0x10/0x10 [ 61.375574] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.376318] __x64_sys_unshare+0x31/0x40 [ 61.376846] do_syscall_64+0x3f/0x90 [ 61.377357] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.378052] RIP: 0033:0x7ff7e6e980d7 [ 61.378537] 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 [ 61.380785] RSP: 002b:00007fff64cbfa98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 61.381757] RAX: ffffffffffffffda RBX: 00007fff64cc00d8 RCX: 00007ff7e6e980d7 [ 61.382673] RDX: 00007ff7e6f0241f RSI: 00007fff64cbfa30 RDI: 0000000040000000 [ 61.383581] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff64cbf840 [ 61.384467] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff7e6faabf0 [ 61.385394] R13: 00007fff64cbfb70 R14: 0000000000000000 R15: 00000000000000f8 [ 61.386323] [ 61.386634] irq event stamp: 9673 [ 61.387127] hardirqs last enabled at (9685): [] __up_console_sem+0x78/0x80 [ 61.388195] hardirqs last disabled at (9696): [] __up_console_sem+0x5d/0x80 [ 61.389331] softirqs last enabled at (9388): [] irq_exit_rcu+0x93/0xc0 [ 61.390429] softirqs last disabled at (9379): [] irq_exit_rcu+0x93/0xc0 [ 61.391539] ---[ end trace 0000000000000000 ]--- [ 61.392920] ------------[ cut here ]------------ [ 61.393610] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 61.396057] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.397431] Modules linked in: [ 61.397945] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 61.399463] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.400775] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.401654] 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 [ 61.404483] RSP: 0018:ffff88801e0c7bf0 EFLAGS: 00010286 [ 61.405372] RAX: 0000000000000000 RBX: ffff88800f120440 RCX: 0000000000000000 [ 61.406501] RDX: ffff888014521b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 61.407572] RBP: ffff88800f120454 R08: 0000000000000001 R09: 0000000000000000 [ 61.408485] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 61.409391] R13: ffffffff84e223a0 R14: ffff88800f120448 R15: ffffffff84daf020 [ 61.410312] FS: 0000555555597400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 61.411352] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.412121] CR2: 00007f2a6ac9d008 CR3: 0000000014694000 CR4: 0000000000350ee0 [ 61.413001] Call Trace: [ 61.413363] [ 61.413668] nf_ct_net_init+0x224/0x3d0 [ 61.414232] ? __pfx_nf_ct_net_init+0x10/0x10 [ 61.414836] ops_init+0xbb/0x6b0 [ 61.415321] setup_net+0x3d9/0x990 [ 61.415786] ? down_read_killable+0x1d7/0x4e0 [ 61.416399] ? __pfx_setup_net+0x10/0x10 [ 61.416915] ? copy_net_ns+0x17c/0x770 [ 61.417465] copy_net_ns+0x321/0x770 [ 61.417957] create_new_namespaces+0x3f6/0xb30 [ 61.418587] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.419258] ksys_unshare+0x44d/0x8e0 [ 61.419760] ? __pfx_ksys_unshare+0x10/0x10 [ 61.420356] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.421117] __x64_sys_unshare+0x31/0x40 [ 61.421652] do_syscall_64+0x3f/0x90 [ 61.422180] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.422848] RIP: 0033:0x7ff7e6e980d7 [ 61.423360] 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 [ 61.425602] RSP: 002b:00007fff64cbfa98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 61.426582] RAX: ffffffffffffffda RBX: 00007fff64cc00d8 RCX: 00007ff7e6e980d7 [ 61.427524] RDX: 00007ff7e6f0241f RSI: 00007fff64cbfa30 RDI: 0000000040000000 [ 61.428441] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff64cbf840 [ 61.429354] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff7e6faabf0 [ 61.430274] R13: 00007fff64cbfb70 R14: 0000000000000000 R15: 00000000000000f8 [ 61.431211] [ 61.431523] irq event stamp: 10455 [ 61.431968] hardirqs last enabled at (10465): [] __up_console_sem+0x78/0x80 [ 61.433086] hardirqs last disabled at (10478): [] __up_console_sem+0x5d/0x80 [ 61.434174] softirqs last enabled at (10014): [] irq_exit_rcu+0x93/0xc0 [ 61.435246] softirqs last disabled at (10009): [] irq_exit_rcu+0x93/0xc0 [ 61.436312] ---[ end trace 0000000000000000 ]--- executing program [ 62.969812] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 65.017209] Bluetooth: hci0: command 0x041b tx timeout [ 67.065107] Bluetooth: hci0: command 0x040f tx timeout executing program [ 69.113082] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 06:19:03 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=1ffff11002b53f1e RCX=ffffffff81c696dc RDX=ffff888016c23680 RSI=0000000000000000 RDI=0000000000000001 RBP=ffff888015ead7e8 RSP=ffff888015a9f8a0 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=0000000000000000 R13=ffff888015dd6480 R14=0000000000000001 R15=ffff88800ffca000 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 00007f7665eb9700 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=00007f2a6ac770a8 CR3=000000000eae0000 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=2033313a39313a36302037312079614d XMM01=5d3330343131332e31362020205b203a XMM02=7379735f74656e5f7265747369676572 XMM03=31332e31362020205b203a6c656e7265 XMM04=32312e3120534f4942202c2936393931 XMM05=20435020647261646e61745320554d45 XMM06=205d3832343930332e31362020205b20 XMM07=732033313a39313a3630203731207961 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801e0c7578 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555555597400 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=00007f2a6ac9d008 CR3=0000000014694000 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