Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:27975' (ECDSA) to the list of known hosts. 2023/05/17 01:04:40 fuzzer started 2023/05/17 01:04:40 dialing manager at localhost:35573 2023/05/17 01:04:40 checking machine... 2023/05/17 01:04:40 checking revisions... syzkaller login: [ 43.285305] kmemleak: Automatic memory scanning thread ended 2023/05/17 01:04:40 testing simple program... [ 43.354797] cgroup: Unknown subsys name 'net' [ 43.413062] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 55.624641] audit: type=1400 audit(1684285492.924:6): 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 [ 56.755840] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 56.757755] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 56.758932] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 56.761432] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 56.763019] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 56.764138] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 57.164211] ------------[ cut here ]------------ [ 57.164822] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 57.166631] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 57.167674] Modules linked in: [ 57.168084] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 57.172861] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.173929] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 57.174616] 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 [ 57.176759] RSP: 0018:ffff888019e9fc00 EFLAGS: 00010282 [ 57.177438] RAX: 0000000000000000 RBX: ffff88800d0c4840 RCX: 0000000000000000 [ 57.178335] RDX: ffff88800f0cd1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 57.179214] RBP: ffff88800d0c4854 R08: 0000000000000001 R09: 0000000000000000 [ 57.180058] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 57.180932] R13: ffffffff84e223a0 R14: ffff88800d0c4848 R15: ffffffff84d73340 [ 57.181805] FS: 000055555633a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 57.182961] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.183701] CR2: 00007f25544746f4 CR3: 0000000014690000 CR4: 0000000000350ee0 [ 57.184605] Call Trace: [ 57.184927] [ 57.185257] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 57.185865] ipv4_frags_init_net+0x269/0x440 [ 57.186456] ops_init+0xbb/0x6b0 [ 57.186907] setup_net+0x3d9/0x990 [ 57.187367] ? down_read_killable+0x1d7/0x4e0 [ 57.187939] ? __pfx_setup_net+0x10/0x10 [ 57.188477] ? copy_net_ns+0x17c/0x770 [ 57.188988] copy_net_ns+0x321/0x770 [ 57.189496] create_new_namespaces+0x3f6/0xb30 [ 57.190088] unshare_nsproxy_namespaces+0xc1/0x200 [ 57.190749] ksys_unshare+0x44d/0x8e0 [ 57.191278] ? __pfx_ksys_unshare+0x10/0x10 [ 57.191837] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 57.192576] __x64_sys_unshare+0x31/0x40 [ 57.193095] do_syscall_64+0x3f/0x90 [ 57.193600] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 57.194272] RIP: 0033:0x7faefcac00d7 [ 57.194745] 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 [ 57.196905] RSP: 002b:00007fff19a73b48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 57.197841] RAX: ffffffffffffffda RBX: 00007fff19a74188 RCX: 00007faefcac00d7 [ 57.198764] RDX: 00007faefcb2a41f RSI: 00007fff19a73ae0 RDI: 0000000040000000 [ 57.199642] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff19a738f0 [ 57.200531] R10: 0000000000000000 R11: 0000000000000206 R12: 00007faefcbd2bf0 [ 57.201419] R13: 00007fff19a73c20 R14: 0000000000000000 R15: 00000000000000f8 [ 57.202345] [ 57.202646] irq event stamp: 8755 [ 57.203069] hardirqs last enabled at (8765): [] __up_console_sem+0x78/0x80 [ 57.204120] hardirqs last disabled at (8776): [] __up_console_sem+0x5d/0x80 [ 57.205192] softirqs last enabled at (8304): [] irq_exit_rcu+0x93/0xc0 [ 57.206208] softirqs last disabled at (8275): [] irq_exit_rcu+0x93/0xc0 [ 57.207251] ---[ end trace 0000000000000000 ]--- [ 57.212943] ------------[ cut here ]------------ [ 57.213564] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 57.215478] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 57.216534] Modules linked in: [ 57.216942] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 57.218105] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.219134] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 57.219800] 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 [ 57.222010] RSP: 0018:ffff888019e9fc00 EFLAGS: 00010282 [ 57.222727] RAX: 0000000000000000 RBX: ffff88800d7c1a40 RCX: 0000000000000000 [ 57.223619] RDX: ffff88800f0cd1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 57.224509] RBP: ffff88800d7c1a54 R08: 0000000000000001 R09: 0000000000000000 [ 57.225404] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 57.226283] R13: ffffffff84e223a0 R14: ffff88800d7c1a48 R15: ffffffff84da62e0 [ 57.227154] FS: 000055555633a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 57.228147] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.228885] CR2: 00007f25544746f4 CR3: 0000000014690000 CR4: 0000000000350ee0 [ 57.229783] Call Trace: [ 57.230113] [ 57.230462] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 57.231071] ipv6_frags_init_net+0x206/0x3c0 [ 57.231654] ops_init+0xbb/0x6b0 [ 57.232099] setup_net+0x3d9/0x990 [ 57.232578] ? down_read_killable+0x1d7/0x4e0 [ 57.233144] ? __pfx_setup_net+0x10/0x10 [ 57.233691] ? copy_net_ns+0x17c/0x770 [ 57.234221] copy_net_ns+0x321/0x770 [ 57.234715] create_new_namespaces+0x3f6/0xb30 [ 57.235337] unshare_nsproxy_namespaces+0xc1/0x200 [ 57.235955] ksys_unshare+0x44d/0x8e0 [ 57.236476] ? __pfx_ksys_unshare+0x10/0x10 [ 57.237023] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 57.237775] __x64_sys_unshare+0x31/0x40 [ 57.238343] do_syscall_64+0x3f/0x90 [ 57.238824] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 57.239491] RIP: 0033:0x7faefcac00d7 [ 57.239965] 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 [ 57.242115] RSP: 002b:00007fff19a73b48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 57.243058] RAX: ffffffffffffffda RBX: 00007fff19a74188 RCX: 00007faefcac00d7 [ 57.243967] RDX: 00007faefcb2a41f RSI: 00007fff19a73ae0 RDI: 0000000040000000 [ 57.244846] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff19a738f0 [ 57.245732] R10: 0000000000000000 R11: 0000000000000206 R12: 00007faefcbd2bf0 [ 57.246632] R13: 00007fff19a73c20 R14: 0000000000000000 R15: 00000000000000f8 [ 57.247570] [ 57.247872] irq event stamp: 10603 [ 57.248340] hardirqs last enabled at (10615): [] __up_console_sem+0x78/0x80 [ 57.249412] hardirqs last disabled at (10626): [] __up_console_sem+0x5d/0x80 [ 57.250512] softirqs last enabled at (10176): [] irq_exit_rcu+0x93/0xc0 [ 57.251529] softirqs last disabled at (10171): [] irq_exit_rcu+0x93/0xc0 [ 57.252566] ---[ end trace 0000000000000000 ]--- [ 57.253936] ------------[ cut here ]------------ [ 57.254551] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 57.256519] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 57.257577] Modules linked in: [ 57.257986] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 57.259187] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.260160] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 57.260842] 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 [ 57.263037] RSP: 0018:ffff888019e9fbf0 EFLAGS: 00010286 [ 57.263716] RAX: 0000000000000000 RBX: ffff88800d7c0240 RCX: 0000000000000000 [ 57.264613] RDX: ffff88800f0cd1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 57.265496] RBP: ffff88800d7c0254 R08: 0000000000000001 R09: 0000000000000000 [ 57.266389] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 57.267271] R13: ffffffff84e223a0 R14: ffff88800d7c0248 R15: ffffffff84daf020 [ 57.268122] FS: 000055555633a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 57.269117] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.269856] CR2: 00007f25544746f4 CR3: 0000000014690000 CR4: 0000000000350ee0 [ 57.270756] Call Trace: [ 57.271083] [ 57.271417] nf_ct_net_init+0x224/0x3d0 [ 57.271934] ? __pfx_nf_ct_net_init+0x10/0x10 [ 57.272544] ops_init+0xbb/0x6b0 [ 57.272991] setup_net+0x3d9/0x990 [ 57.273481] ? down_read_killable+0x1d7/0x4e0 [ 57.274065] ? __pfx_setup_net+0x10/0x10 [ 57.274621] ? copy_net_ns+0x17c/0x770 [ 57.275127] copy_net_ns+0x321/0x770 [ 57.275642] create_new_namespaces+0x3f6/0xb30 [ 57.276256] unshare_nsproxy_namespaces+0xc1/0x200 [ 57.276872] ksys_unshare+0x44d/0x8e0 [ 57.277392] ? __pfx_ksys_unshare+0x10/0x10 [ 57.277936] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 57.278691] __x64_sys_unshare+0x31/0x40 [ 57.279241] do_syscall_64+0x3f/0x90 [ 57.279714] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 57.280379] RIP: 0033:0x7faefcac00d7 [ 57.280844] 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 [ 57.283030] RSP: 002b:00007fff19a73b48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 57.283981] RAX: ffffffffffffffda RBX: 00007fff19a74188 RCX: 00007faefcac00d7 [ 57.284886] RDX: 00007faefcb2a41f RSI: 00007fff19a73ae0 RDI: 0000000040000000 [ 57.285772] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff19a738f0 [ 57.286690] R10: 0000000000000000 R11: 0000000000000206 R12: 00007faefcbd2bf0 [ 57.287572] R13: 00007fff19a73c20 R14: 0000000000000000 R15: 00000000000000f8 [ 57.288478] [ 57.288777] irq event stamp: 11443 [ 57.289232] hardirqs last enabled at (11455): [] __up_console_sem+0x78/0x80 [ 57.290312] hardirqs last disabled at (11466): [] __up_console_sem+0x5d/0x80 [ 57.291373] softirqs last enabled at (11380): [] irq_exit_rcu+0x93/0xc0 [ 57.292413] softirqs last disabled at (11375): [] irq_exit_rcu+0x93/0xc0 [ 57.293451] ---[ end trace 0000000000000000 ]--- executing program [ 58.835793] Bluetooth: hci0: command 0x0409 tx timeout [ 60.883249] Bluetooth: hci0: command 0x041b tx timeout executing program [ 62.931286] Bluetooth: hci0: command 0x040f tx timeout executing program [ 64.979339] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 01:04:47 Registers: info registers vcpu 0 RAX=0000000000023a9f RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f RFL=00000206 [-----P-] 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=00007f334f80a070 CR3=000000000ec7a000 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=be39b6e4c581f9b28245d4afc2cd156f XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=807f606b4cf00c98000000000013c150 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=b088ac15c122a5fc00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00200000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000000a RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888019e9f5f0 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=000000000000000a 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 000055555633a400 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=00007f25544746f4 CR3=0000000014690000 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