Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:64736' (ECDSA) to the list of known hosts. 2023/05/16 23:11:00 fuzzer started 2023/05/16 23:11:00 dialing manager at localhost:35573 2023/05/16 23:11:00 checking machine... 2023/05/16 23:11:00 checking revisions... syzkaller login: [ 55.660475] kmemleak: Automatic memory scanning thread ended 2023/05/16 23:11:00 testing simple program... [ 55.727297] cgroup: Unknown subsys name 'net' [ 55.826036] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 68.686930] audit: type=1400 audit(1684278673.655:6): avc: denied { execmem } for pid=263 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 69.808118] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 69.810139] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 69.813087] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 69.816222] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 69.817666] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 69.818941] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 70.201054] ------------[ cut here ]------------ [ 70.201730] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 70.203684] WARNING: CPU: 0 PID: 264 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 70.204901] Modules linked in: [ 70.205313] CPU: 0 PID: 264 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 70.209706] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 70.210834] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 70.211593] 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 [ 70.213995] RSP: 0018:ffff88801e337c00 EFLAGS: 00010282 [ 70.214670] RAX: 0000000000000000 RBX: ffff88800cb53440 RCX: 0000000000000000 [ 70.215671] RDX: ffff888017551b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 70.216669] RBP: ffff88800cb53454 R08: 0000000000000001 R09: 0000000000000000 [ 70.217577] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 70.218475] R13: ffffffff84e223a0 R14: ffff88800cb53448 R15: ffffffff84d73340 [ 70.219364] FS: 0000555556a74400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 70.220398] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.221163] CR2: 00007ff449b0a6f4 CR3: 000000000fe78000 CR4: 0000000000350ef0 [ 70.222092] Call Trace: [ 70.222419] [ 70.222717] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 70.223374] ipv4_frags_init_net+0x269/0x440 [ 70.223976] ops_init+0xbb/0x6b0 [ 70.224425] setup_net+0x3d9/0x990 [ 70.224920] ? down_read_killable+0x1d7/0x4e0 [ 70.225504] ? __pfx_setup_net+0x10/0x10 [ 70.226073] ? copy_net_ns+0x17c/0x770 [ 70.226582] copy_net_ns+0x321/0x770 [ 70.227114] create_new_namespaces+0x3f6/0xb30 [ 70.227718] unshare_nsproxy_namespaces+0xc1/0x200 [ 70.228368] ksys_unshare+0x44d/0x8e0 [ 70.228905] ? __pfx_ksys_unshare+0x10/0x10 [ 70.229469] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 70.230245] __x64_sys_unshare+0x31/0x40 [ 70.230770] do_syscall_64+0x3f/0x90 [ 70.231272] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 70.231955] RIP: 0033:0x7f2e939bc0d7 [ 70.232420] 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 [ 70.234641] RSP: 002b:00007ffe0fae2008 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 70.235592] RAX: ffffffffffffffda RBX: 00007ffe0fae2648 RCX: 00007f2e939bc0d7 [ 70.236499] RDX: 00007f2e93a2641f RSI: 00007ffe0fae1fa0 RDI: 0000000040000000 [ 70.237399] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe0fae1db0 [ 70.238322] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f2e93acebf0 [ 70.239228] R13: 00007ffe0fae20e0 R14: 0000000000000000 R15: 00000000000000f8 [ 70.240162] [ 70.240468] irq event stamp: 8525 [ 70.240924] hardirqs last enabled at (8537): [] __up_console_sem+0x78/0x80 [ 70.242012] hardirqs last disabled at (8548): [] __up_console_sem+0x5d/0x80 [ 70.243090] softirqs last enabled at (8320): [] irq_exit_rcu+0x93/0xc0 [ 70.244154] softirqs last disabled at (8311): [] irq_exit_rcu+0x93/0xc0 [ 70.245202] ---[ end trace 0000000000000000 ]--- [ 70.251424] ------------[ cut here ]------------ [ 70.252058] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 70.253930] WARNING: CPU: 0 PID: 264 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 70.255000] Modules linked in: [ 70.255417] CPU: 0 PID: 264 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 70.256590] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 70.257635] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 70.258329] 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 [ 70.260563] RSP: 0018:ffff88801e337c00 EFLAGS: 00010282 [ 70.261278] RAX: 0000000000000000 RBX: ffff888013f06240 RCX: 0000000000000000 [ 70.262196] RDX: ffff888017551b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 70.263098] RBP: ffff888013f06254 R08: 0000000000000001 R09: 0000000000000000 [ 70.263995] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 70.264904] R13: ffffffff84e223a0 R14: ffff888013f06248 R15: ffffffff84da62e0 [ 70.265784] FS: 0000555556a74400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 70.266793] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.267543] CR2: 00007ff449b0a6f4 CR3: 000000000fe78000 CR4: 0000000000350ef0 [ 70.268447] Call Trace: [ 70.268783] [ 70.269128] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 70.269761] ipv6_frags_init_net+0x206/0x3c0 [ 70.270365] ops_init+0xbb/0x6b0 [ 70.270818] setup_net+0x3d9/0x990 [ 70.271320] ? down_read_killable+0x1d7/0x4e0 [ 70.271925] ? __pfx_setup_net+0x10/0x10 [ 70.272439] ? copy_net_ns+0x17c/0x770 [ 70.272985] copy_net_ns+0x321/0x770 [ 70.273467] create_new_namespaces+0x3f6/0xb30 [ 70.274105] unshare_nsproxy_namespaces+0xc1/0x200 [ 70.274729] ksys_unshare+0x44d/0x8e0 [ 70.275259] ? __pfx_ksys_unshare+0x10/0x10 [ 70.275810] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 70.276553] __x64_sys_unshare+0x31/0x40 [ 70.277107] do_syscall_64+0x3f/0x90 [ 70.277595] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 70.278276] RIP: 0033:0x7f2e939bc0d7 [ 70.278746] 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 [ 70.280922] RSP: 002b:00007ffe0fae2008 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 70.281910] RAX: ffffffffffffffda RBX: 00007ffe0fae2648 RCX: 00007f2e939bc0d7 [ 70.282774] RDX: 00007f2e93a2641f RSI: 00007ffe0fae1fa0 RDI: 0000000040000000 [ 70.283663] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe0fae1db0 [ 70.284558] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f2e93acebf0 [ 70.285459] R13: 00007ffe0fae20e0 R14: 0000000000000000 R15: 00000000000000f8 [ 70.286372] [ 70.286677] irq event stamp: 10415 [ 70.287168] hardirqs last enabled at (10433): [] __up_console_sem+0x78/0x80 [ 70.288257] hardirqs last disabled at (10444): [] __up_console_sem+0x5d/0x80 [ 70.289335] softirqs last enabled at (10428): [] irq_exit_rcu+0x93/0xc0 [ 70.290414] softirqs last disabled at (10423): [] irq_exit_rcu+0x93/0xc0 [ 70.291470] ---[ end trace 0000000000000000 ]--- [ 70.292814] ------------[ cut here ]------------ [ 70.293448] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 70.295395] WARNING: CPU: 0 PID: 264 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 70.296464] Modules linked in: [ 70.296929] CPU: 0 PID: 264 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 70.298115] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 70.299139] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 70.299789] 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 [ 70.301950] RSP: 0018:ffff88801e337bf0 EFLAGS: 00010286 [ 70.302607] RAX: 0000000000000000 RBX: ffff8880094fe240 RCX: 0000000000000000 [ 70.303521] RDX: ffff888017551b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 70.304409] RBP: ffff8880094fe254 R08: 0000000000000001 R09: 0000000000000000 [ 70.305309] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 70.306248] R13: ffffffff84e223a0 R14: ffff8880094fe248 R15: ffffffff84daf020 [ 70.307165] FS: 0000555556a74400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 70.308171] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 70.308928] CR2: 00007ff449b0a6f4 CR3: 000000000fe78000 CR4: 0000000000350ef0 [ 70.309797] Call Trace: [ 70.310156] [ 70.310460] nf_ct_net_init+0x224/0x3d0 [ 70.311026] ? __pfx_nf_ct_net_init+0x10/0x10 [ 70.311740] ops_init+0xbb/0x6b0 [ 70.312319] setup_net+0x3d9/0x990 [ 70.312906] ? down_read_killable+0x1d7/0x4e0 [ 70.313636] ? __pfx_setup_net+0x10/0x10 [ 70.314314] ? copy_net_ns+0x17c/0x770 [ 70.314983] copy_net_ns+0x321/0x770 [ 70.315583] create_new_namespaces+0x3f6/0xb30 [ 70.316343] unshare_nsproxy_namespaces+0xc1/0x200 [ 70.317134] ksys_unshare+0x44d/0x8e0 [ 70.317750] ? __pfx_ksys_unshare+0x10/0x10 [ 70.318462] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 70.319382] __x64_sys_unshare+0x31/0x40 [ 70.320063] do_syscall_64+0x3f/0x90 [ 70.320656] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 70.321480] RIP: 0033:0x7f2e939bc0d7 [ 70.322118] 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 [ 70.324804] RSP: 002b:00007ffe0fae2008 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 70.326025] RAX: ffffffffffffffda RBX: 00007ffe0fae2648 RCX: 00007f2e939bc0d7 [ 70.327129] RDX: 00007f2e93a2641f RSI: 00007ffe0fae1fa0 RDI: 0000000040000000 [ 70.328226] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe0fae1db0 [ 70.329330] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f2e93acebf0 [ 70.330462] R13: 00007ffe0fae20e0 R14: 0000000000000000 R15: 00000000000000f8 [ 70.331587] [ 70.331990] irq event stamp: 11207 [ 70.332531] hardirqs last enabled at (11217): [] __up_console_sem+0x78/0x80 [ 70.333879] hardirqs last disabled at (11230): [] __up_console_sem+0x5d/0x80 [ 70.335208] softirqs last enabled at (10428): [] irq_exit_rcu+0x93/0xc0 [ 70.336494] softirqs last disabled at (10423): [] irq_exit_rcu+0x93/0xc0 [ 70.337798] ---[ end trace 0000000000000000 ]--- executing program [ 71.883493] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 73.930922] Bluetooth: hci0: command 0x041b tx timeout [ 75.978978] Bluetooth: hci0: command 0x040f tx timeout executing program [ 78.026926] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 23:10:55 Registers: info registers vcpu 0 RAX=000000000000002e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801e3375f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002e R11=0000000000000001 R12=000000000000002e 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 0000555556a74400 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=00007ff449b0a6f4 CR3=000000000fe78000 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=000000000005938d 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=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 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=00007ff25c8b2268 CR3=0000000015b7a000 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=704e075decf029b6b44132277025d677 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=b42c75cae9bc603e000000000013c9c0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=cc148ac47013f99100000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=20000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000