Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:32458' (ECDSA) to the list of known hosts. 2023/05/16 16:57:27 fuzzer started 2023/05/16 16:57:27 dialing manager at localhost:35573 2023/05/16 16:57:27 checking machine... 2023/05/16 16:57:27 checking revisions... syzkaller login: [ 37.428979] kmemleak: Automatic memory scanning thread ended 2023/05/16 16:57:28 testing simple program... [ 37.501018] cgroup: Unknown subsys name 'net' [ 37.584737] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.075902] audit: type=1400 audit(1684256260.697:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 51.192028] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.194336] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.195557] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.198874] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.201484] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.202921] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.595899] ------------[ cut here ]------------ [ 51.596781] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.598823] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.600257] Modules linked in: [ 51.600708] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.605538] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.606641] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.607370] 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 [ 51.609725] RSP: 0018:ffff88802019fc00 EFLAGS: 00010282 [ 51.610491] RAX: 0000000000000000 RBX: ffff88800d7d3040 RCX: 0000000000000000 [ 51.611457] RDX: ffff88800fcf51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.612425] RBP: ffff88800d7d3054 R08: 0000000000000001 R09: 0000000000000000 [ 51.613386] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.614351] R13: ffffffff84e223a0 R14: ffff88800d7d3048 R15: ffffffff84d73340 [ 51.615312] FS: 0000555555b59400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.616413] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.617211] CR2: 00007fa8717d06f4 CR3: 000000001fd6c000 CR4: 0000000000350ee0 [ 51.618173] Call Trace: [ 51.618519] [ 51.618835] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.619544] ipv4_frags_init_net+0x269/0x440 [ 51.620174] ops_init+0xbb/0x6b0 [ 51.620648] setup_net+0x3d9/0x990 [ 51.621170] ? down_read_killable+0x1d7/0x4e0 [ 51.621785] ? __pfx_setup_net+0x10/0x10 [ 51.622371] ? copy_net_ns+0x17c/0x770 [ 51.622912] copy_net_ns+0x321/0x770 [ 51.623478] create_new_namespaces+0x3f6/0xb30 [ 51.624106] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.624809] ksys_unshare+0x44d/0x8e0 [ 51.625367] ? __pfx_ksys_unshare+0x10/0x10 [ 51.625953] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.626758] __x64_sys_unshare+0x31/0x40 [ 51.627351] do_syscall_64+0x3f/0x90 [ 51.627883] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.628602] RIP: 0033:0x7eff5f6e10d7 [ 51.629102] 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 [ 51.631465] RSP: 002b:00007ffde8d9bf28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.632498] RAX: ffffffffffffffda RBX: 00007ffde8d9c568 RCX: 00007eff5f6e10d7 [ 51.633457] RDX: 00007eff5f74b41f RSI: 00007ffde8d9bec0 RDI: 0000000040000000 [ 51.634409] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffde8d9bcd0 [ 51.635353] R10: 0000000000000000 R11: 0000000000000206 R12: 00007eff5f7f3bf0 [ 51.636345] R13: 00007ffde8d9c000 R14: 0000000000000000 R15: 00000000000000f8 [ 51.637329] [ 51.637647] irq event stamp: 8385 [ 51.638163] hardirqs last enabled at (8397): [] __up_console_sem+0x78/0x80 [ 51.639305] hardirqs last disabled at (8408): [] __up_console_sem+0x5d/0x80 [ 51.640441] softirqs last enabled at (7864): [] irq_exit_rcu+0x93/0xc0 [ 51.641575] softirqs last disabled at (7859): [] irq_exit_rcu+0x93/0xc0 [ 51.642696] ---[ end trace 0000000000000000 ]--- [ 51.647685] ------------[ cut here ]------------ [ 51.648685] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.650500] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.651639] Modules linked in: [ 51.652076] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.653349] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.654454] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.655176] 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 [ 51.657535] RSP: 0018:ffff88802019fc00 EFLAGS: 00010282 [ 51.658256] RAX: 0000000000000000 RBX: ffff88800ed44440 RCX: 0000000000000000 [ 51.659222] RDX: ffff88800fcf51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.660182] RBP: ffff88800ed44454 R08: 0000000000000001 R09: 0000000000000000 [ 51.661103] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.662058] R13: ffffffff84e223a0 R14: ffff88800ed44448 R15: ffffffff84da62e0 [ 51.663021] FS: 0000555555b59400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.664106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.664884] CR2: 00007fa8717d06f4 CR3: 000000001fd6c000 CR4: 0000000000350ee0 [ 51.665844] Call Trace: [ 51.666231] [ 51.666554] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.667235] ipv6_frags_init_net+0x206/0x3c0 [ 51.667855] ops_init+0xbb/0x6b0 [ 51.668360] setup_net+0x3d9/0x990 [ 51.668841] ? down_read_killable+0x1d7/0x4e0 [ 51.669478] ? __pfx_setup_net+0x10/0x10 [ 51.670025] ? copy_net_ns+0x17c/0x770 [ 51.670608] copy_net_ns+0x321/0x770 [ 51.671144] create_new_namespaces+0x3f6/0xb30 [ 51.671790] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.672495] ksys_unshare+0x44d/0x8e0 [ 51.673018] ? __pfx_ksys_unshare+0x10/0x10 [ 51.673646] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.674440] __x64_sys_unshare+0x31/0x40 [ 51.674996] do_syscall_64+0x3f/0x90 [ 51.675549] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.676271] RIP: 0033:0x7eff5f6e10d7 [ 51.676774] 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 [ 51.679098] RSP: 002b:00007ffde8d9bf28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.680106] RAX: ffffffffffffffda RBX: 00007ffde8d9c568 RCX: 00007eff5f6e10d7 [ 51.681086] RDX: 00007eff5f74b41f RSI: 00007ffde8d9bec0 RDI: 0000000040000000 [ 51.682042] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffde8d9bcd0 [ 51.682998] R10: 0000000000000000 R11: 0000000000000206 R12: 00007eff5f7f3bf0 [ 51.683971] R13: 00007ffde8d9c000 R14: 0000000000000000 R15: 00000000000000f8 [ 51.684955] [ 51.685315] irq event stamp: 10161 [ 51.685777] hardirqs last enabled at (10171): [] __up_console_sem+0x78/0x80 [ 51.686929] hardirqs last disabled at (10182): [] __up_console_sem+0x5d/0x80 [ 51.688092] softirqs last enabled at (10092): [] irq_exit_rcu+0x93/0xc0 [ 51.689226] softirqs last disabled at (10083): [] irq_exit_rcu+0x93/0xc0 [ 51.690342] ---[ end trace 0000000000000000 ]--- [ 51.691735] ------------[ cut here ]------------ [ 51.692465] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.694545] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.695682] Modules linked in: [ 51.696154] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.697389] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.698475] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.699201] 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 [ 51.701519] RSP: 0018:ffff88802019fbf0 EFLAGS: 00010286 [ 51.702253] RAX: 0000000000000000 RBX: ffff88800ed44c40 RCX: 0000000000000000 [ 51.703229] RDX: ffff88800fcf51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.704161] RBP: ffff88800ed44c54 R08: 0000000000000001 R09: 0000000000000000 [ 51.705014] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.705898] R13: ffffffff84e223a0 R14: ffff88800ed44c48 R15: ffffffff84daf020 [ 51.706787] FS: 0000555555b59400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.707792] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.708533] CR2: 00007fa8717d06f4 CR3: 000000001fd6c000 CR4: 0000000000350ee0 [ 51.709429] Call Trace: [ 51.709753] [ 51.710057] nf_ct_net_init+0x224/0x3d0 [ 51.710616] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.711216] ops_init+0xbb/0x6b0 [ 51.711688] setup_net+0x3d9/0x990 [ 51.712184] ? down_read_killable+0x1d7/0x4e0 [ 51.712754] ? __pfx_setup_net+0x10/0x10 [ 51.713304] ? copy_net_ns+0x17c/0x770 [ 51.713819] copy_net_ns+0x321/0x770 [ 51.714330] create_new_namespaces+0x3f6/0xb30 [ 51.714914] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.715577] ksys_unshare+0x44d/0x8e0 [ 51.716069] ? __pfx_ksys_unshare+0x10/0x10 [ 51.716651] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.717398] __x64_sys_unshare+0x31/0x40 [ 51.717913] do_syscall_64+0x3f/0x90 [ 51.718410] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.719056] RIP: 0033:0x7eff5f6e10d7 [ 51.719566] 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 [ 51.721728] RSP: 002b:00007ffde8d9bf28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.722674] RAX: ffffffffffffffda RBX: 00007ffde8d9c568 RCX: 00007eff5f6e10d7 [ 51.723578] RDX: 00007eff5f74b41f RSI: 00007ffde8d9bec0 RDI: 0000000040000000 [ 51.724460] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffde8d9bcd0 [ 51.725339] R10: 0000000000000000 R11: 0000000000000206 R12: 00007eff5f7f3bf0 [ 51.726221] R13: 00007ffde8d9c000 R14: 0000000000000000 R15: 00000000000000f8 [ 51.727097] [ 51.727433] irq event stamp: 10949 [ 51.727869] hardirqs last enabled at (10959): [] __up_console_sem+0x78/0x80 [ 51.728939] hardirqs last disabled at (10970): [] __up_console_sem+0x5d/0x80 [ 51.730007] softirqs last enabled at (10766): [] irq_exit_rcu+0x93/0xc0 [ 51.731037] softirqs last disabled at (10761): [] irq_exit_rcu+0x93/0xc0 [ 51.732095] ---[ end trace 0000000000000000 ]--- executing program [ 53.273869] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.320194] Bluetooth: hci0: command 0x041b tx timeout [ 57.368182] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.416264] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 16:57:41 Registers: info registers vcpu 0 RAX=0000000000025c57 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=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=00007f899e37cad0 CR3=000000000d5ce000 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=2032343a37353a36312036312079614d XMM01=5d3735323030362e31352020205b203a XMM02=646f4d205d3735323030362e31352020 XMM03=6b7a79732032343a37353a3631203631 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120303632203a4449 XMM06=57205d3332383839352e31352020205b XMM07=79732032343a37353a36312036312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000074 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88802019f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000074 R11=0000000000000001 R12=0000000000000074 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 0000555555b59400 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=00007fa8717d06f4 CR3=000000001fd6c000 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