Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:49486' (ECDSA) to the list of known hosts. 2023/05/16 18:05:43 fuzzer started 2023/05/16 18:05:43 dialing manager at localhost:35573 2023/05/16 18:05:43 checking machine... 2023/05/16 18:05:43 checking revisions... syzkaller login: [ 30.310081] kmemleak: Automatic memory scanning thread ended 2023/05/16 18:05:43 testing simple program... [ 30.382629] cgroup: Unknown subsys name 'net' [ 30.475310] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 43.903651] audit: type=1400 audit(1684260357.215:6): 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 [ 45.038173] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 45.042588] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 45.044038] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 45.047690] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 45.050072] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 45.051959] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 45.431000] ------------[ cut here ]------------ [ 45.431832] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 45.433856] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.435149] Modules linked in: [ 45.435631] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.440522] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.441539] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.442238] 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 [ 45.444436] RSP: 0018:ffff88800ffa7c00 EFLAGS: 00010282 [ 45.445081] RAX: 0000000000000000 RBX: ffff88800e760440 RCX: 0000000000000000 [ 45.445968] RDX: ffff8880169bb680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.446864] RBP: ffff88800e760454 R08: 0000000000000001 R09: 0000000000000000 [ 45.447740] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 45.448616] R13: ffffffff84e223a0 R14: ffff88800e760448 R15: ffffffff84d73340 [ 45.449509] FS: 0000555556c73400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 45.450513] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.451248] CR2: 00007f8ba81776f4 CR3: 000000000eeec000 CR4: 0000000000350ee0 [ 45.452111] Call Trace: [ 45.452473] [ 45.452773] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 45.453414] ipv4_frags_init_net+0x269/0x440 [ 45.453968] ops_init+0xbb/0x6b0 [ 45.454472] setup_net+0x3d9/0x990 [ 45.454923] ? down_read_killable+0x1d7/0x4e0 [ 45.455517] ? __pfx_setup_net+0x10/0x10 [ 45.456016] ? copy_net_ns+0x17c/0x770 [ 45.456547] copy_net_ns+0x321/0x770 [ 45.457028] create_new_namespaces+0x3f6/0xb30 [ 45.457650] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.458289] ksys_unshare+0x44d/0x8e0 [ 45.458786] ? __pfx_ksys_unshare+0x10/0x10 [ 45.459361] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.460071] __x64_sys_unshare+0x31/0x40 [ 45.460615] do_syscall_64+0x3f/0x90 [ 45.461087] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.461751] RIP: 0033:0x7f86031cb0d7 [ 45.462241] 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 [ 45.464396] RSP: 002b:00007fff0d0bcb08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 45.465343] RAX: ffffffffffffffda RBX: 00007fff0d0bd148 RCX: 00007f86031cb0d7 [ 45.466253] RDX: 00007f860323541f RSI: 00007fff0d0bcaa0 RDI: 0000000040000000 [ 45.467130] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff0d0bc8b0 [ 45.468024] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f86032ddbf0 [ 45.468908] R13: 00007fff0d0bcbe0 R14: 0000000000000000 R15: 00000000000000f8 [ 45.469795] [ 45.470094] irq event stamp: 8041 [ 45.470550] hardirqs last enabled at (8053): [] __up_console_sem+0x78/0x80 [ 45.471588] hardirqs last disabled at (8064): [] __up_console_sem+0x5d/0x80 [ 45.472637] softirqs last enabled at (7526): [] irq_exit_rcu+0x93/0xc0 [ 45.473662] softirqs last disabled at (7521): [] irq_exit_rcu+0x93/0xc0 [ 45.474707] ---[ end trace 0000000000000000 ]--- [ 45.480055] ------------[ cut here ]------------ [ 45.480686] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 45.482360] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.483398] Modules linked in: [ 45.483812] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.484958] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.485971] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.486664] 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 [ 45.488819] RSP: 0018:ffff88800ffa7c00 EFLAGS: 00010282 [ 45.489503] RAX: 0000000000000000 RBX: ffff88800d63b840 RCX: 0000000000000000 [ 45.490399] RDX: ffff8880169bb680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.491296] RBP: ffff88800d63b854 R08: 0000000000000001 R09: 0000000000000000 [ 45.492157] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.493032] R13: ffffffff84e223a0 R14: ffff88800d63b848 R15: ffffffff84da62e0 [ 45.493911] FS: 0000555556c73400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 45.494932] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.495674] CR2: 00007f8ba81776f4 CR3: 000000000eeec000 CR4: 0000000000350ee0 [ 45.496554] Call Trace: [ 45.496881] [ 45.497176] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 45.497810] ipv6_frags_init_net+0x206/0x3c0 [ 45.498406] ops_init+0xbb/0x6b0 [ 45.498855] setup_net+0x3d9/0x990 [ 45.499340] ? down_read_killable+0x1d7/0x4e0 [ 45.499916] ? __pfx_setup_net+0x10/0x10 [ 45.500453] ? copy_net_ns+0x17c/0x770 [ 45.500956] copy_net_ns+0x321/0x770 [ 45.501473] create_new_namespaces+0x3f6/0xb30 [ 45.502051] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.502717] ksys_unshare+0x44d/0x8e0 [ 45.503233] ? __pfx_ksys_unshare+0x10/0x10 [ 45.503786] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.504521] __x64_sys_unshare+0x31/0x40 [ 45.505036] do_syscall_64+0x3f/0x90 [ 45.505535] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.506173] RIP: 0033:0x7f86031cb0d7 [ 45.506678] 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 [ 45.508813] RSP: 002b:00007fff0d0bcb08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 45.509765] RAX: ffffffffffffffda RBX: 00007fff0d0bd148 RCX: 00007f86031cb0d7 [ 45.510663] RDX: 00007f860323541f RSI: 00007fff0d0bcaa0 RDI: 0000000040000000 [ 45.511546] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff0d0bc8b0 [ 45.512458] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f86032ddbf0 [ 45.513358] R13: 00007fff0d0bcbe0 R14: 0000000000000000 R15: 00000000000000f8 [ 45.514268] [ 45.514586] irq event stamp: 9907 [ 45.515009] hardirqs last enabled at (9917): [] __up_console_sem+0x78/0x80 [ 45.516068] hardirqs last disabled at (9928): [] __up_console_sem+0x5d/0x80 [ 45.517133] softirqs last enabled at (9480): [] irq_exit_rcu+0x93/0xc0 [ 45.518161] softirqs last disabled at (9475): [] irq_exit_rcu+0x93/0xc0 [ 45.519225] ---[ end trace 0000000000000000 ]--- [ 45.520558] ------------[ cut here ]------------ [ 45.521143] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 45.523259] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.524298] Modules linked in: [ 45.524701] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.525847] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.526866] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.527526] 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 [ 45.529689] RSP: 0018:ffff88800ffa7bf0 EFLAGS: 00010286 [ 45.530399] RAX: 0000000000000000 RBX: ffff88800d63a040 RCX: 0000000000000000 [ 45.531277] RDX: ffff8880169bb680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.532127] RBP: ffff88800d63a054 R08: 0000000000000001 R09: 0000000000000000 [ 45.533012] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.533899] R13: ffffffff84e223a0 R14: ffff88800d63a048 R15: ffffffff84daf020 [ 45.534798] FS: 0000555556c73400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 45.535783] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.536518] CR2: 00007f8ba81776f4 CR3: 000000000eeec000 CR4: 0000000000350ee0 [ 45.537405] Call Trace: [ 45.537728] [ 45.538025] nf_ct_net_init+0x224/0x3d0 [ 45.538576] ? __pfx_nf_ct_net_init+0x10/0x10 [ 45.539148] ops_init+0xbb/0x6b0 [ 45.539620] setup_net+0x3d9/0x990 [ 45.540069] ? down_read_killable+0x1d7/0x4e0 [ 45.540664] ? __pfx_setup_net+0x10/0x10 [ 45.541173] ? copy_net_ns+0x17c/0x770 [ 45.541709] copy_net_ns+0x321/0x770 [ 45.542217] create_new_namespaces+0x3f6/0xb30 [ 45.542830] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.543485] ksys_unshare+0x44d/0x8e0 [ 45.543976] ? __pfx_ksys_unshare+0x10/0x10 [ 45.544550] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.545294] __x64_sys_unshare+0x31/0x40 [ 45.545820] do_syscall_64+0x3f/0x90 [ 45.546323] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.546973] RIP: 0033:0x7f86031cb0d7 [ 45.547470] 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 [ 45.549621] RSP: 002b:00007fff0d0bcb08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 45.550574] RAX: ffffffffffffffda RBX: 00007fff0d0bd148 RCX: 00007f86031cb0d7 [ 45.551473] RDX: 00007f860323541f RSI: 00007fff0d0bcaa0 RDI: 0000000040000000 [ 45.552365] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff0d0bc8b0 [ 45.553253] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f86032ddbf0 [ 45.554115] R13: 00007fff0d0bcbe0 R14: 0000000000000000 R15: 00000000000000f8 [ 45.555050] [ 45.555380] irq event stamp: 10707 [ 45.555819] hardirqs last enabled at (10717): [] __up_console_sem+0x78/0x80 [ 45.556877] hardirqs last disabled at (10728): [] __up_console_sem+0x5d/0x80 [ 45.557939] softirqs last enabled at (10644): [] irq_exit_rcu+0x93/0xc0 [ 45.558995] softirqs last disabled at (10639): [] irq_exit_rcu+0x93/0xc0 [ 45.560030] ---[ end trace 0000000000000000 ]--- [ 47.116840] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 49.164278] Bluetooth: hci0: command 0x041b tx timeout executing program [ 51.212258] Bluetooth: hci0: command 0x040f tx timeout [ 53.261227] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 18:05:57 Registers: info registers vcpu 0 RAX=0000000080010001 RBX=0000000000000001 RCX=ffffffff815d9097 RDX=ffffffff8542a780 RSI=0000000000000000 RDI=0000000000000005 RBP=0000000000000000 RSP=ffff88806ce09d60 R8 =0000000000000005 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=ffffffff8542a780 R14=0000000000000000 R15=ffff88806ce396d8 RIP=ffffffff814bf271 RFL=00000046 [---Z-P-] 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 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=00007f46dd3a1070 CR3=0000000009998000 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=2038353a35303a38312036312079614d XMM01=5d3133363533342e35342020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d31 XMM07=6e72656b2072656c6c616b7a79732038 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000034 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800ffa75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000034 R11=0000000000000001 R12=0000000000000034 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 0000555556c73400 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=00007f8ba81776f4 CR3=000000000eeec000 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