syzkaller login: [ 36.213479] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:6606' (ECDSA) to the list of known hosts. 2023/05/18 01:04:11 fuzzer started 2023/05/18 01:04:11 dialing manager at localhost:44319 2023/05/18 01:04:11 checking machine... 2023/05/18 01:04:11 checking revisions... [ 37.415244] kmemleak: Automatic memory scanning thread ended 2023/05/18 01:04:12 testing simple program... [ 37.477457] cgroup: Unknown subsys name 'net' [ 37.557090] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.686481] audit: type=1400 audit(1684371864.317:6): 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 [ 50.792023] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.794607] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.795487] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.797416] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.798670] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.799513] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.197430] ------------[ cut here ]------------ [ 51.198284] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.200335] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.201903] Modules linked in: [ 51.202636] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.207365] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.208486] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.209233] 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 [ 51.211556] RSP: 0018:ffff88801a307c00 EFLAGS: 00010282 [ 51.212288] RAX: 0000000000000000 RBX: ffff888016048840 RCX: 0000000000000000 [ 51.213248] RDX: ffff8880162d51c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.214199] RBP: ffff888016048854 R08: 0000000000000001 R09: 0000000000000000 [ 51.215145] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.216089] R13: ffffffff84e23fe0 R14: ffff888016048848 R15: ffffffff84d74dc0 [ 51.217039] FS: 000055555688b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.218089] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.218845] CR2: 00007f2155d584c0 CR3: 0000000015bd6000 CR4: 0000000000350ee0 [ 51.219799] Call Trace: [ 51.220182] [ 51.220508] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.221228] ipv4_frags_init_net+0x269/0x440 [ 51.221828] ops_init+0xbb/0x6b0 [ 51.222337] setup_net+0x3d9/0x990 [ 51.222821] ? down_read_killable+0x1d7/0x4e0 [ 51.223467] ? __pfx_setup_net+0x10/0x10 [ 51.224065] ? copy_net_ns+0x17c/0x770 [ 51.224623] copy_net_ns+0x321/0x770 [ 51.225185] create_new_namespaces+0x3f6/0xb30 [ 51.225814] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.226510] ksys_unshare+0x44d/0x8e0 [ 51.227069] ? __pfx_ksys_unshare+0x10/0x10 [ 51.227652] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.228444] __x64_sys_unshare+0x31/0x40 [ 51.229056] do_syscall_64+0x3f/0x90 [ 51.229567] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.230292] RIP: 0033:0x7f440fa4c0d7 [ 51.230788] 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 [ 51.233111] RSP: 002b:00007ffcda869e08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.234122] RAX: ffffffffffffffda RBX: 00007ffcda86a448 RCX: 00007f440fa4c0d7 [ 51.235074] RDX: 00007f440fab641f RSI: 00007ffcda869da0 RDI: 0000000040000000 [ 51.236017] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcda869bb0 [ 51.236962] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f440fb5ebf0 [ 51.237921] R13: 00007ffcda869ee0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.238909] [ 51.239267] irq event stamp: 9839 [ 51.239731] hardirqs last enabled at (9849): [] __up_console_sem+0x78/0x80 [ 51.240929] hardirqs last disabled at (9860): [] __up_console_sem+0x5d/0x80 [ 51.242143] softirqs last enabled at (9386): [] irq_exit_rcu+0x93/0xc0 [ 51.243327] softirqs last disabled at (9369): [] irq_exit_rcu+0x93/0xc0 [ 51.244510] ---[ end trace 0000000000000000 ]--- [ 51.250620] ------------[ cut here ]------------ [ 51.251315] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.253504] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.254635] Modules linked in: [ 51.255106] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.256345] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.257385] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.258109] 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 [ 51.260439] RSP: 0018:ffff88801a307c00 EFLAGS: 00010282 [ 51.261171] RAX: 0000000000000000 RBX: ffff88800d759c40 RCX: 0000000000000000 [ 51.262111] RDX: ffff8880162d51c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.263054] RBP: ffff88800d759c54 R08: 0000000000000001 R09: 0000000000000000 [ 51.263965] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.264931] R13: ffffffff84e23fe0 R14: ffff88800d759c48 R15: ffffffff84da7d60 [ 51.265866] FS: 000055555688b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.266937] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.267715] CR2: 00007f2155d584c0 CR3: 0000000015bd6000 CR4: 0000000000350ee0 [ 51.268660] Call Trace: [ 51.269037] [ 51.269355] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.270041] ipv6_frags_init_net+0x206/0x3c0 [ 51.270631] ops_init+0xbb/0x6b0 [ 51.271138] setup_net+0x3d9/0x990 [ 51.271612] ? down_read_killable+0x1d7/0x4e0 [ 51.272253] ? __pfx_setup_net+0x10/0x10 [ 51.272812] ? copy_net_ns+0x17c/0x770 [ 51.273385] copy_net_ns+0x321/0x770 [ 51.273896] create_new_namespaces+0x3f6/0xb30 [ 51.274549] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.275243] ksys_unshare+0x44d/0x8e0 [ 51.275769] ? __pfx_ksys_unshare+0x10/0x10 [ 51.276392] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.277194] __x64_sys_unshare+0x31/0x40 [ 51.277740] do_syscall_64+0x3f/0x90 [ 51.278288] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.279017] RIP: 0033:0x7f440fa4c0d7 [ 51.279512] 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 [ 51.281840] RSP: 002b:00007ffcda869e08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.282836] RAX: ffffffffffffffda RBX: 00007ffcda86a448 RCX: 00007f440fa4c0d7 [ 51.283770] RDX: 00007f440fab641f RSI: 00007ffcda869da0 RDI: 0000000040000000 [ 51.284731] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcda869bb0 [ 51.285668] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f440fb5ebf0 [ 51.286564] R13: 00007ffcda869ee0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.287524] [ 51.287843] irq event stamp: 11541 [ 51.288332] hardirqs last enabled at (11553): [] __up_console_sem+0x78/0x80 [ 51.289481] hardirqs last disabled at (11564): [] __up_console_sem+0x5d/0x80 [ 51.290624] softirqs last enabled at (11582): [] irq_exit_rcu+0x93/0xc0 [ 51.291716] softirqs last disabled at (11573): [] irq_exit_rcu+0x93/0xc0 [ 51.292809] ---[ end trace 0000000000000000 ]--- [ 51.294704] ------------[ cut here ]------------ [ 51.295335] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.297368] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.298495] Modules linked in: [ 51.298911] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.300139] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.301221] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.301898] 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 [ 51.304191] RSP: 0018:ffff88801a307bf0 EFLAGS: 00010286 [ 51.304902] RAX: 0000000000000000 RBX: ffff88800d759240 RCX: 0000000000000000 [ 51.305840] RDX: ffff8880162d51c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.306780] RBP: ffff88800d759254 R08: 0000000000000001 R09: 0000000000000000 [ 51.307714] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.308664] R13: ffffffff84e23fe0 R14: ffff88800d759248 R15: ffffffff84db0aa0 [ 51.309606] FS: 000055555688b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.310659] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.311425] CR2: 00007f2155d584c0 CR3: 0000000015bd6000 CR4: 0000000000350ee0 [ 51.312371] Call Trace: [ 51.312741] [ 51.313092] nf_ct_net_init+0x224/0x3d0 [ 51.313640] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.314278] ops_init+0xbb/0x6b0 [ 51.314747] setup_net+0x3d9/0x990 [ 51.315259] ? down_read_killable+0x1d7/0x4e0 [ 51.315861] ? __pfx_setup_net+0x10/0x10 [ 51.316441] ? copy_net_ns+0x17c/0x770 [ 51.317022] copy_net_ns+0x321/0x770 [ 51.317537] create_new_namespaces+0x3f6/0xb30 [ 51.318192] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.318835] ksys_unshare+0x44d/0x8e0 [ 51.319389] ? __pfx_ksys_unshare+0x10/0x10 [ 51.320000] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.320769] __x64_sys_unshare+0x31/0x40 [ 51.321343] do_syscall_64+0x3f/0x90 [ 51.321844] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.322557] RIP: 0033:0x7f440fa4c0d7 [ 51.323073] 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 [ 51.325398] RSP: 002b:00007ffcda869e08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.326396] RAX: ffffffffffffffda RBX: 00007ffcda86a448 RCX: 00007f440fa4c0d7 [ 51.327334] RDX: 00007f440fab641f RSI: 00007ffcda869da0 RDI: 0000000040000000 [ 51.328271] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcda869bb0 [ 51.329220] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f440fb5ebf0 [ 51.330159] R13: 00007ffcda869ee0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.331122] [ 51.331438] irq event stamp: 12325 [ 51.331897] hardirqs last enabled at (12335): [] __up_console_sem+0x78/0x80 [ 51.333037] hardirqs last disabled at (12346): [] __up_console_sem+0x5d/0x80 [ 51.334175] softirqs last enabled at (12096): [] irq_exit_rcu+0x93/0xc0 [ 51.335283] softirqs last disabled at (12091): [] irq_exit_rcu+0x93/0xc0 [ 51.336393] ---[ end trace 0000000000000000 ]--- executing program [ 52.818611] Bluetooth: hci0: command 0x0409 tx timeout [ 54.866647] Bluetooth: hci0: command 0x041b tx timeout executing program [ 56.914065] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.962066] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 01:04:25 Registers: info registers vcpu 0 RAX=0000000000022475 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=00007f2155e6d000 CR3=000000000ecdc000 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=8f9f41aa41d592b5bf49a17c5b8e99a0 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=32179c7720c50c24000000000013be70 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=f94c0bece6d6d06000000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000002e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801a3075f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002e R11=0000000000000001 R12=000000000000002e 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 000055555688b400 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=00007f2155d584c0 CR3=0000000015bd6000 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