syzkaller login: [ 36.297939] sshd (226) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:37781' (ECDSA) to the list of known hosts. 2023/05/17 17:22:27 fuzzer started 2023/05/17 17:22:28 dialing manager at localhost:44319 2023/05/17 17:22:28 checking machine... 2023/05/17 17:22:28 checking revisions... [ 37.486179] kmemleak: Automatic memory scanning thread ended 2023/05/17 17:22:28 testing simple program... [ 37.558137] cgroup: Unknown subsys name 'net' [ 37.645711] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.481147] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 49.675504] audit: type=1400 audit(1684344160.445:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 50.751012] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.752843] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.754740] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.758480] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.760818] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.762004] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.154203] ------------[ cut here ]------------ [ 51.154966] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.157280] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.158598] Modules linked in: [ 51.158998] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.162216] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.164440] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.165118] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 51.167292] RSP: 0018:ffff88800f92fc00 EFLAGS: 00010282 [ 51.167933] RAX: 0000000000000000 RBX: ffff88800d9f7840 RCX: 0000000000000000 [ 51.168814] RDX: ffff88800fd351c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.169691] RBP: ffff88800d9f7854 R08: 0000000000000001 R09: 0000000000000000 [ 51.170586] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.171466] R13: ffffffff84e23fe0 R14: ffff88800d9f7848 R15: ffffffff84d74dc0 [ 51.172361] FS: 0000555556109400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.173350] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.174150] CR2: 00007f0d21e775d0 CR3: 000000000d62c000 CR4: 0000000000350ee0 [ 51.174994] Call Trace: [ 51.175349] [ 51.175645] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.176285] ipv4_frags_init_net+0x269/0x440 [ 51.176843] ops_init+0xbb/0x6b0 [ 51.177321] setup_net+0x3d9/0x990 [ 51.177786] ? down_read_killable+0x1d7/0x4e0 [ 51.178401] ? __pfx_setup_net+0x10/0x10 [ 51.178901] ? copy_net_ns+0x17c/0x770 [ 51.179431] copy_net_ns+0x321/0x770 [ 51.179912] create_new_namespaces+0x3f6/0xb30 [ 51.180522] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.181172] ksys_unshare+0x44d/0x8e0 [ 51.181662] ? __pfx_ksys_unshare+0x10/0x10 [ 51.182262] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.182963] __x64_sys_unshare+0x31/0x40 [ 51.183499] do_syscall_64+0x3f/0x90 [ 51.183977] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.184651] RIP: 0033:0x7fe9d2d7f0d7 [ 51.185144] 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 [ 51.187325] RSP: 002b:00007ffe58ecf238 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.188261] RAX: ffffffffffffffda RBX: 00007ffe58ecf878 RCX: 00007fe9d2d7f0d7 [ 51.189133] RDX: 00007fe9d2de941f RSI: 00007ffe58ecf1d0 RDI: 0000000040000000 [ 51.189992] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe58ecefe0 [ 51.190874] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fe9d2e91bf0 [ 51.191757] R13: 00007ffe58ecf310 R14: 0000000000000000 R15: 00000000000000f8 [ 51.192673] [ 51.192968] irq event stamp: 8811 [ 51.193419] hardirqs last enabled at (8823): [] __up_console_sem+0x78/0x80 [ 51.194491] hardirqs last disabled at (8834): [] __up_console_sem+0x5d/0x80 [ 51.195530] softirqs last enabled at (8720): [] irq_exit_rcu+0x93/0xc0 [ 51.196539] softirqs last disabled at (8715): [] irq_exit_rcu+0x93/0xc0 [ 51.197551] ---[ end trace 0000000000000000 ]--- [ 51.202395] ------------[ cut here ]------------ [ 51.202984] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.204630] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.205689] Modules linked in: [ 51.206138] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.207272] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.208280] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.208914] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 51.211069] RSP: 0018:ffff88800f92fc00 EFLAGS: 00010282 [ 51.211708] RAX: 0000000000000000 RBX: ffff88800f56b640 RCX: 0000000000000000 [ 51.212587] RDX: ffff88800fd351c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.213466] RBP: ffff88800f56b654 R08: 0000000000000001 R09: 0000000000000000 [ 51.214374] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.215249] R13: ffffffff84e23fe0 R14: ffff88800f56b648 R15: ffffffff84da7d60 [ 51.216130] FS: 0000555556109400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.217118] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.217811] CR2: 00007f0d21e775d0 CR3: 000000000d62c000 CR4: 0000000000350ee0 [ 51.218705] Call Trace: [ 51.219061] [ 51.219357] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.219959] ipv6_frags_init_net+0x206/0x3c0 [ 51.220544] ops_init+0xbb/0x6b0 [ 51.220991] setup_net+0x3d9/0x990 [ 51.221470] ? down_read_killable+0x1d7/0x4e0 [ 51.222082] ? __pfx_setup_net+0x10/0x10 [ 51.222586] ? copy_net_ns+0x17c/0x770 [ 51.223117] copy_net_ns+0x321/0x770 [ 51.223592] create_new_namespaces+0x3f6/0xb30 [ 51.224201] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.224805] ksys_unshare+0x44d/0x8e0 [ 51.225320] ? __pfx_ksys_unshare+0x10/0x10 [ 51.225856] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.226593] __x64_sys_unshare+0x31/0x40 [ 51.227135] do_syscall_64+0x3f/0x90 [ 51.227610] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.228284] RIP: 0033:0x7fe9d2d7f0d7 [ 51.228739] 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 [ 51.230883] RSP: 002b:00007ffe58ecf238 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.231825] RAX: ffffffffffffffda RBX: 00007ffe58ecf878 RCX: 00007fe9d2d7f0d7 [ 51.232706] RDX: 00007fe9d2de941f RSI: 00007ffe58ecf1d0 RDI: 0000000040000000 [ 51.233576] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe58ecefe0 [ 51.234482] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fe9d2e91bf0 [ 51.235361] R13: 00007ffe58ecf310 R14: 0000000000000000 R15: 00000000000000f8 [ 51.236258] [ 51.236556] irq event stamp: 10303 [ 51.236980] hardirqs last enabled at (10313): [] __up_console_sem+0x78/0x80 [ 51.238063] hardirqs last disabled at (10326): [] __up_console_sem+0x5d/0x80 [ 51.239125] softirqs last enabled at (9356): [] netlink_insert+0x187/0x1820 [ 51.240198] softirqs last disabled at (9354): [] release_sock+0x1f/0x1b0 [ 51.241208] ---[ end trace 0000000000000000 ]--- [ 51.242539] ------------[ cut here ]------------ [ 51.243139] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.244983] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.246073] Modules linked in: [ 51.246471] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.247614] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.248617] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.249293] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 51.251440] RSP: 0018:ffff88800f92fbf0 EFLAGS: 00010286 [ 51.252125] RAX: 0000000000000000 RBX: ffff88800f56bc40 RCX: 0000000000000000 [ 51.252962] RDX: ffff88800fd351c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.253853] RBP: ffff88800f56bc54 R08: 0000000000000001 R09: 0000000000000000 [ 51.254755] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.255633] R13: ffffffff84e23fe0 R14: ffff88800f56bc48 R15: ffffffff84db0aa0 [ 51.256505] FS: 0000555556109400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.257490] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.258222] CR2: 00007f0d21e775d0 CR3: 000000000d62c000 CR4: 0000000000350ee0 [ 51.259103] Call Trace: [ 51.259423] [ 51.259720] nf_ct_net_init+0x224/0x3d0 [ 51.260266] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.260830] ops_init+0xbb/0x6b0 [ 51.261299] setup_net+0x3d9/0x990 [ 51.261748] ? down_read_killable+0x1d7/0x4e0 [ 51.262362] ? __pfx_setup_net+0x10/0x10 [ 51.262869] ? copy_net_ns+0x17c/0x770 [ 51.263402] copy_net_ns+0x321/0x770 [ 51.263885] create_new_namespaces+0x3f6/0xb30 [ 51.264500] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.265134] ksys_unshare+0x44d/0x8e0 [ 51.265617] ? __pfx_ksys_unshare+0x10/0x10 [ 51.266199] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.266896] __x64_sys_unshare+0x31/0x40 [ 51.267433] do_syscall_64+0x3f/0x90 [ 51.267907] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.268571] RIP: 0033:0x7fe9d2d7f0d7 [ 51.269061] 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 [ 51.271223] RSP: 002b:00007ffe58ecf238 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.272160] RAX: ffffffffffffffda RBX: 00007ffe58ecf878 RCX: 00007fe9d2d7f0d7 [ 51.273065] RDX: 00007fe9d2de941f RSI: 00007ffe58ecf1d0 RDI: 0000000040000000 [ 51.273918] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe58ecefe0 [ 51.274803] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fe9d2e91bf0 [ 51.275679] R13: 00007ffe58ecf310 R14: 0000000000000000 R15: 00000000000000f8 [ 51.276573] [ 51.276875] irq event stamp: 11055 [ 51.277334] hardirqs last enabled at (11067): [] __up_console_sem+0x78/0x80 [ 51.278406] hardirqs last disabled at (11078): [] __up_console_sem+0x5d/0x80 [ 51.279455] softirqs last enabled at (10670): [] irq_exit_rcu+0x93/0xc0 [ 51.280476] softirqs last disabled at (10661): [] irq_exit_rcu+0x93/0xc0 [ 51.281497] ---[ end trace 0000000000000000 ]--- executing program [ 52.837705] Bluetooth: hci0: command 0x0409 tx timeout [ 54.885111] Bluetooth: hci0: command 0x041b tx timeout executing program [ 56.933101] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.981100] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 17:22:38 Registers: info registers vcpu 0 RAX=0000000000026a0d RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f RFL=00000202 [-------] 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=00007f0d21fa8000 CR3=000000000e9c0000 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=eccc70d8a6ed8088de4f2e9ca137871c XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=4971e447d6ad7202000000000013bee8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=4fe055be5e0e433f00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000005b RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88800f92f618 R8 =0000000000000001 R9 =000000000000000a R10=000000000000005b R11=0000000000000001 R12=000000000000005b R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd 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 0000555556109400 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=00007f0d21e775d0 CR3=000000000d62c000 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