Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:5485' (ECDSA) to the list of known hosts. 2023/05/16 16:59:32 fuzzer started 2023/05/16 16:59:32 dialing manager at localhost:35573 2023/05/16 16:59:32 checking machine... 2023/05/16 16:59:32 checking revisions... syzkaller login: [ 37.031421] kmemleak: Automatic memory scanning thread ended 2023/05/16 16:59:33 testing simple program... [ 37.097339] cgroup: Unknown subsys name 'net' [ 37.190762] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.250360] audit: type=1400 audit(1684256385.317:6): 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 [ 50.362573] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.365838] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.367334] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.370576] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.372223] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.373520] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.747525] ------------[ cut here ]------------ [ 50.748766] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.750725] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.751984] Modules linked in: [ 50.752473] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.757318] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.758329] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.759005] 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 [ 50.761207] RSP: 0018:ffff88801811fc00 EFLAGS: 00010282 [ 50.761854] RAX: 0000000000000000 RBX: ffff88800a09f840 RCX: 0000000000000000 [ 50.762776] RDX: ffff88800fe91b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.763691] RBP: ffff88800a09f854 R08: 0000000000000001 R09: 0000000000000000 [ 50.764597] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.765527] R13: ffffffff84e223a0 R14: ffff88800a09f848 R15: ffffffff84d73340 [ 50.766451] FS: 0000555556ba5400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.767424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.768151] CR2: 00007fd6c4da6fe0 CR3: 000000001ec68000 CR4: 0000000000350ef0 [ 50.769025] Call Trace: [ 50.769357] [ 50.769658] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.770312] ipv4_frags_init_net+0x269/0x440 [ 50.770866] ops_init+0xbb/0x6b0 [ 50.771340] setup_net+0x3d9/0x990 [ 50.771787] ? down_read_killable+0x1d7/0x4e0 [ 50.772375] ? __pfx_setup_net+0x10/0x10 [ 50.772873] ? copy_net_ns+0x17c/0x770 [ 50.773409] copy_net_ns+0x321/0x770 [ 50.773909] create_new_namespaces+0x3f6/0xb30 [ 50.774512] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.775155] ksys_unshare+0x44d/0x8e0 [ 50.775641] ? __pfx_ksys_unshare+0x10/0x10 [ 50.776208] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.776941] __x64_sys_unshare+0x31/0x40 [ 50.777451] do_syscall_64+0x3f/0x90 [ 50.777946] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.778588] RIP: 0033:0x7f06a4d830d7 [ 50.779080] 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 [ 50.781229] RSP: 002b:00007ffc931ac4c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.782191] RAX: ffffffffffffffda RBX: 00007ffc931acb08 RCX: 00007f06a4d830d7 [ 50.783083] RDX: 00007f06a4ded41f RSI: 00007ffc931ac460 RDI: 0000000040000000 [ 50.783980] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc931ac270 [ 50.784840] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f06a4e95bf0 [ 50.785723] R13: 00007ffc931ac5a0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.786661] [ 50.786997] irq event stamp: 8169 [ 50.787423] hardirqs last enabled at (8179): [] __up_console_sem+0x78/0x80 [ 50.788481] hardirqs last disabled at (8190): [] __up_console_sem+0x5d/0x80 [ 50.789545] softirqs last enabled at (7652): [] irq_exit_rcu+0x93/0xc0 [ 50.790592] softirqs last disabled at (7473): [] irq_exit_rcu+0x93/0xc0 [ 50.791628] ---[ end trace 0000000000000000 ]--- [ 50.797357] ------------[ cut here ]------------ [ 50.797977] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.799616] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.800676] Modules linked in: [ 50.801111] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.802275] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.803283] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.803951] 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 [ 50.806148] RSP: 0018:ffff88801811fc00 EFLAGS: 00010282 [ 50.806804] RAX: 0000000000000000 RBX: ffff88801420fa40 RCX: 0000000000000000 [ 50.807708] RDX: ffff88800fe91b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.808605] RBP: ffff88801420fa54 R08: 0000000000000001 R09: 0000000000000000 [ 50.809523] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.810451] R13: ffffffff84e223a0 R14: ffff88801420fa48 R15: ffffffff84da62e0 [ 50.811377] FS: 0000555556ba5400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.812407] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.813175] CR2: 00007fd6c4da6fe0 CR3: 000000001ec68000 CR4: 0000000000350ef0 [ 50.814089] Call Trace: [ 50.814450] [ 50.814753] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.815406] ipv6_frags_init_net+0x206/0x3c0 [ 50.816010] ops_init+0xbb/0x6b0 [ 50.816474] setup_net+0x3d9/0x990 [ 50.816960] ? down_read_killable+0x1d7/0x4e0 [ 50.817521] ? __pfx_setup_net+0x10/0x10 [ 50.818053] ? copy_net_ns+0x17c/0x770 [ 50.818563] copy_net_ns+0x321/0x770 [ 50.819069] create_new_namespaces+0x3f6/0xb30 [ 50.819645] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.820286] ksys_unshare+0x44d/0x8e0 [ 50.820774] ? __pfx_ksys_unshare+0x10/0x10 [ 50.821352] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.822099] __x64_sys_unshare+0x31/0x40 [ 50.822614] do_syscall_64+0x3f/0x90 [ 50.823118] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.823759] RIP: 0033:0x7f06a4d830d7 [ 50.824246] 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 [ 50.826400] RSP: 002b:00007ffc931ac4c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.827343] RAX: ffffffffffffffda RBX: 00007ffc931acb08 RCX: 00007f06a4d830d7 [ 50.828215] RDX: 00007f06a4ded41f RSI: 00007ffc931ac460 RDI: 0000000040000000 [ 50.829094] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc931ac270 [ 50.829979] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f06a4e95bf0 [ 50.830827] R13: 00007ffc931ac5a0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.831732] [ 50.832060] irq event stamp: 9847 [ 50.832481] hardirqs last enabled at (9857): [] __up_console_sem+0x78/0x80 [ 50.833575] hardirqs last disabled at (9868): [] __up_console_sem+0x5d/0x80 [ 50.834690] softirqs last enabled at (8984): [] irq_exit_rcu+0x93/0xc0 [ 50.835750] softirqs last disabled at (8927): [] irq_exit_rcu+0x93/0xc0 [ 50.836816] ---[ end trace 0000000000000000 ]--- [ 50.838262] ------------[ cut here ]------------ [ 50.838865] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.840797] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.841907] Modules linked in: [ 50.842334] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.843518] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.844557] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.845254] 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 [ 50.847516] RSP: 0018:ffff88801811fbf0 EFLAGS: 00010286 [ 50.848228] RAX: 0000000000000000 RBX: ffff88801420ee40 RCX: 0000000000000000 [ 50.849150] RDX: ffff88800fe91b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.850067] RBP: ffff88801420ee54 R08: 0000000000000001 R09: 0000000000000000 [ 50.851004] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.851917] R13: ffffffff84e223a0 R14: ffff88801420ee48 R15: ffffffff84daf020 [ 50.852799] FS: 0000555556ba5400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.853829] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.854612] CR2: 00007fd6c4da6fe0 CR3: 000000001ec68000 CR4: 0000000000350ef0 [ 50.855529] Call Trace: [ 50.855868] [ 50.856206] nf_ct_net_init+0x224/0x3d0 [ 50.856729] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.857359] ops_init+0xbb/0x6b0 [ 50.857813] setup_net+0x3d9/0x990 [ 50.858326] ? down_read_killable+0x1d7/0x4e0 [ 50.858938] ? __pfx_setup_net+0x10/0x10 [ 50.859463] ? copy_net_ns+0x17c/0x770 [ 50.860009] copy_net_ns+0x321/0x770 [ 50.860501] create_new_namespaces+0x3f6/0xb30 [ 50.861129] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.861761] ksys_unshare+0x44d/0x8e0 [ 50.862317] ? __pfx_ksys_unshare+0x10/0x10 [ 50.862909] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.863642] __x64_sys_unshare+0x31/0x40 [ 50.864202] do_syscall_64+0x3f/0x90 [ 50.864692] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.865379] RIP: 0033:0x7f06a4d830d7 [ 50.865859] 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 [ 50.868120] RSP: 002b:00007ffc931ac4c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.869096] RAX: ffffffffffffffda RBX: 00007ffc931acb08 RCX: 00007f06a4d830d7 [ 50.870007] RDX: 00007f06a4ded41f RSI: 00007ffc931ac460 RDI: 0000000040000000 [ 50.870948] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc931ac270 [ 50.871823] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f06a4e95bf0 [ 50.872742] R13: 00007ffc931ac5a0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.873675] [ 50.874012] irq event stamp: 10629 [ 50.874474] hardirqs last enabled at (10639): [] __up_console_sem+0x78/0x80 [ 50.875577] hardirqs last disabled at (10650): [] __up_console_sem+0x5d/0x80 [ 50.876680] softirqs last enabled at (10356): [] irq_exit_rcu+0x93/0xc0 [ 50.877747] softirqs last disabled at (10351): [] irq_exit_rcu+0x93/0xc0 [ 50.878829] ---[ end trace 0000000000000000 ]--- executing program [ 52.385439] Bluetooth: hci0: command 0x0409 tx timeout [ 54.432408] Bluetooth: hci0: command 0x041b tx timeout executing program [ 56.480974] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.527958] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 16:59:45 Registers: info registers vcpu 0 RAX=0000000000000030 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801811f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000030 R11=0000000000000001 R12=0000000000000030 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 0000555556ba5400 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=00007fd6c4da6fe0 CR3=000000001ec68000 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=0000000000028669 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=00007fd6c4d95db0 CR3=000000000efb6000 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=2036343a39353a36312036312079614d XMM01=5d3337343235372e30352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d33 XMM07=6e72656b2072656c6c616b7a79732036 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000