syzkaller login: [ 45.026687] sshd (209) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:31510' (ECDSA) to the list of known hosts. 2023/05/17 04:16:39 fuzzer started 2023/05/17 04:16:40 dialing manager at localhost:35573 2023/05/17 04:16:40 checking machine... 2023/05/17 04:16:40 checking revisions... [ 49.882094] kmemleak: Automatic memory scanning thread ended 2023/05/17 04:16:40 testing simple program... [ 49.951806] cgroup: Unknown subsys name 'net' [ 50.036679] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 62.636058] audit: type=1400 audit(1684297013.189:6): avc: denied { execmem } for pid=257 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 63.745489] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 63.747521] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 63.748863] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 63.752791] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 63.754963] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 63.756477] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 64.161610] ------------[ cut here ]------------ [ 64.162284] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 64.164056] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 64.165134] Modules linked in: [ 64.165554] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 64.167367] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 64.169158] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 64.170270] 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 [ 64.172417] RSP: 0018:ffff88800fd77c00 EFLAGS: 00010282 [ 64.173095] RAX: 0000000000000000 RBX: ffff88800e4d6440 RCX: 0000000000000000 [ 64.173985] RDX: ffff88801430d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 64.174867] RBP: ffff88800e4d6454 R08: 0000000000000001 R09: 0000000000000000 [ 64.175757] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 64.176604] R13: ffffffff84e223a0 R14: ffff88800e4d6448 R15: ffffffff84d73340 [ 64.177487] FS: 0000555556913400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 64.178469] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.179222] CR2: 00007fea2e5f36f4 CR3: 0000000015bf0000 CR4: 0000000000350ef0 [ 64.180093] Call Trace: [ 64.180416] [ 64.180741] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 64.181341] ipv4_frags_init_net+0x269/0x440 [ 64.181919] ops_init+0xbb/0x6b0 [ 64.182363] setup_net+0x3d9/0x990 [ 64.182848] ? down_read_killable+0x1d7/0x4e0 [ 64.183413] ? __pfx_setup_net+0x10/0x10 [ 64.183951] ? copy_net_ns+0x17c/0x770 [ 64.184447] copy_net_ns+0x321/0x770 [ 64.184959] create_new_namespaces+0x3f6/0xb30 [ 64.185537] unshare_nsproxy_namespaces+0xc1/0x200 [ 64.186183] ksys_unshare+0x44d/0x8e0 [ 64.186673] ? __pfx_ksys_unshare+0x10/0x10 [ 64.187262] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 64.187995] __x64_sys_unshare+0x31/0x40 [ 64.188503] do_syscall_64+0x3f/0x90 [ 64.189002] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 64.189635] RIP: 0033:0x7fe67a2b10d7 [ 64.190136] 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 [ 64.192265] RSP: 002b:00007ffddfce2f88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 64.193195] RAX: ffffffffffffffda RBX: 00007ffddfce35c8 RCX: 00007fe67a2b10d7 [ 64.194072] RDX: 00007fe67a31b41f RSI: 00007ffddfce2f20 RDI: 0000000040000000 [ 64.194960] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffddfce2d30 [ 64.195840] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe67a3c3bf0 [ 64.196682] R13: 00007ffddfce3060 R14: 0000000000000000 R15: 00000000000000f8 [ 64.197576] [ 64.197903] irq event stamp: 9639 [ 64.198326] hardirqs last enabled at (9649): [] __up_console_sem+0x78/0x80 [ 64.199385] hardirqs last disabled at (9660): [] __up_console_sem+0x5d/0x80 [ 64.200435] softirqs last enabled at (8878): [] irq_exit_rcu+0x93/0xc0 [ 64.201461] softirqs last disabled at (8553): [] irq_exit_rcu+0x93/0xc0 [ 64.202481] ---[ end trace 0000000000000000 ]--- [ 64.208923] ------------[ cut here ]------------ [ 64.209508] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 64.211174] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 64.212232] Modules linked in: [ 64.212636] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 64.213785] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 64.214786] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 64.215437] 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 [ 64.217586] RSP: 0018:ffff88800fd77c00 EFLAGS: 00010282 [ 64.218271] RAX: 0000000000000000 RBX: ffff888013718a40 RCX: 0000000000000000 [ 64.219193] RDX: ffff88801430d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 64.220068] RBP: ffff888013718a54 R08: 0000000000000001 R09: 0000000000000000 [ 64.220964] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 64.221860] R13: ffffffff84e223a0 R14: ffff888013718a48 R15: ffffffff84da62e0 [ 64.222745] FS: 0000555556913400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 64.223770] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.224474] CR2: 00007fea2e5f36f4 CR3: 0000000015bf0000 CR4: 0000000000350ef0 [ 64.225366] Call Trace: [ 64.225723] [ 64.226018] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 64.226617] ipv6_frags_init_net+0x206/0x3c0 [ 64.227223] ops_init+0xbb/0x6b0 [ 64.227670] setup_net+0x3d9/0x990 [ 64.228154] ? down_read_killable+0x1d7/0x4e0 [ 64.228744] ? __pfx_setup_net+0x10/0x10 [ 64.229252] ? copy_net_ns+0x17c/0x770 [ 64.229791] copy_net_ns+0x321/0x770 [ 64.230262] create_new_namespaces+0x3f6/0xb30 [ 64.230895] unshare_nsproxy_namespaces+0xc1/0x200 [ 64.231525] ksys_unshare+0x44d/0x8e0 [ 64.232047] ? __pfx_ksys_unshare+0x10/0x10 [ 64.232603] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 64.233343] __x64_sys_unshare+0x31/0x40 [ 64.233891] do_syscall_64+0x3f/0x90 [ 64.234355] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 64.235028] RIP: 0033:0x7fe67a2b10d7 [ 64.235491] 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 [ 64.237661] RSP: 002b:00007ffddfce2f88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 64.238591] RAX: ffffffffffffffda RBX: 00007ffddfce35c8 RCX: 00007fe67a2b10d7 [ 64.239504] RDX: 00007fe67a31b41f RSI: 00007ffddfce2f20 RDI: 0000000040000000 [ 64.240390] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffddfce2d30 [ 64.241281] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe67a3c3bf0 [ 64.242160] R13: 00007ffddfce3060 R14: 0000000000000000 R15: 00000000000000f8 [ 64.243110] [ 64.243411] irq event stamp: 11383 [ 64.243887] hardirqs last enabled at (11395): [] __up_console_sem+0x78/0x80 [ 64.244952] hardirqs last disabled at (11406): [] __up_console_sem+0x5d/0x80 [ 64.246030] softirqs last enabled at (11190): [] irq_exit_rcu+0x93/0xc0 [ 64.247085] softirqs last disabled at (11185): [] irq_exit_rcu+0x93/0xc0 [ 64.248124] ---[ end trace 0000000000000000 ]--- [ 64.249494] ------------[ cut here ]------------ [ 64.250136] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 64.252240] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 64.253301] Modules linked in: [ 64.253736] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 64.254889] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 64.255909] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 64.256556] 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 [ 64.258725] RSP: 0018:ffff88800fd77bf0 EFLAGS: 00010286 [ 64.259386] RAX: 0000000000000000 RBX: ffff888013719c40 RCX: 0000000000000000 [ 64.260289] RDX: ffff88801430d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 64.261183] RBP: ffff888013719c54 R08: 0000000000000001 R09: 0000000000000000 [ 64.262080] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 64.262982] R13: ffffffff84e223a0 R14: ffff888013719c48 R15: ffffffff84daf020 [ 64.263872] FS: 0000555556913400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 64.264873] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.265577] CR2: 00007fea2e5f36f4 CR3: 0000000015bf0000 CR4: 0000000000350ef0 [ 64.266473] Call Trace: [ 64.266835] [ 64.267155] nf_ct_net_init+0x224/0x3d0 [ 64.267669] ? __pfx_nf_ct_net_init+0x10/0x10 [ 64.268267] ops_init+0xbb/0x6b0 [ 64.268749] setup_net+0x3d9/0x990 [ 64.269200] ? down_read_killable+0x1d7/0x4e0 [ 64.269790] ? __pfx_setup_net+0x10/0x10 [ 64.270296] ? copy_net_ns+0x17c/0x770 [ 64.270837] copy_net_ns+0x321/0x770 [ 64.271320] create_new_namespaces+0x3f6/0xb30 [ 64.271936] unshare_nsproxy_namespaces+0xc1/0x200 [ 64.272547] ksys_unshare+0x44d/0x8e0 [ 64.273064] ? __pfx_ksys_unshare+0x10/0x10 [ 64.273601] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 64.274343] __x64_sys_unshare+0x31/0x40 [ 64.274891] do_syscall_64+0x3f/0x90 [ 64.275368] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 64.276027] RIP: 0033:0x7fe67a2b10d7 [ 64.276488] 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 [ 64.278645] RSP: 002b:00007ffddfce2f88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 64.279630] RAX: ffffffffffffffda RBX: 00007ffddfce35c8 RCX: 00007fe67a2b10d7 [ 64.280513] RDX: 00007fe67a31b41f RSI: 00007ffddfce2f20 RDI: 0000000040000000 [ 64.281391] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffddfce2d30 [ 64.282282] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe67a3c3bf0 [ 64.283162] R13: 00007ffddfce3060 R14: 0000000000000000 R15: 00000000000000f8 [ 64.284093] [ 64.284389] irq event stamp: 12257 [ 64.284860] hardirqs last enabled at (12269): [] __up_console_sem+0x78/0x80 [ 64.285921] hardirqs last disabled at (12280): [] __up_console_sem+0x5d/0x80 [ 64.287012] softirqs last enabled at (12164): [] irq_exit_rcu+0x93/0xc0 [ 64.288052] softirqs last disabled at (12159): [] irq_exit_rcu+0x93/0xc0 [ 64.289103] ---[ end trace 0000000000000000 ]--- executing program [ 65.831553] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 67.878756] Bluetooth: hci0: command 0x041b tx timeout [ 69.927559] Bluetooth: hci0: command 0x040f tx timeout executing program [ 71.974846] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 04:16:45 Registers: info registers vcpu 0 RAX=0000000000000072 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800fd77618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000072 R11=0000000000000001 R12=0000000000000072 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 0000555556913400 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=00007fea2e5f36f4 CR3=0000000015bf0000 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=000000000003ba57 RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f 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 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=00007f6b92df3108 CR3=000000000e6a8000 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=2deee3b277d0d1b8f74a4e631a76287c XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d35f14e95510c1f6000000000010d0d0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=d12b6846b49cd78d00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00200000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000