Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:49897' (ECDSA) to the list of known hosts. 2023/05/17 08:50:41 fuzzer started 2023/05/17 08:50:41 dialing manager at localhost:35573 2023/05/17 08:50:41 checking machine... 2023/05/17 08:50:41 checking revisions... syzkaller login: [ 37.171257] kmemleak: Automatic memory scanning thread ended 2023/05/17 08:50:42 testing simple program... [ 37.246708] cgroup: Unknown subsys name 'net' [ 37.329439] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.037551] audit: type=1400 audit(1684313454.913:6): 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 [ 51.189258] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.194679] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.199034] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.213937] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.215678] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.217337] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.635713] ------------[ cut here ]------------ [ 51.636449] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.638656] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.639815] Modules linked in: [ 51.640309] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.645231] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.646326] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.647017] 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 [ 51.649422] RSP: 0018:ffff88801984fc00 EFLAGS: 00010282 [ 51.650218] RAX: 0000000000000000 RBX: ffff88800e2a8c40 RCX: 0000000000000000 [ 51.651202] RDX: ffff88800fe151c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.652204] RBP: ffff88800e2a8c54 R08: 0000000000000001 R09: 0000000000000000 [ 51.653212] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.654200] R13: ffffffff84e223a0 R14: ffff88800e2a8c48 R15: ffffffff84d73340 [ 51.655192] FS: 0000555557041400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.656329] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.657156] CR2: 00007fba91d786f4 CR3: 000000000e6b8000 CR4: 0000000000350ee0 [ 51.658152] Call Trace: [ 51.658518] [ 51.658846] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.659555] ipv4_frags_init_net+0x269/0x440 [ 51.660229] ops_init+0xbb/0x6b0 [ 51.660725] setup_net+0x3d9/0x990 [ 51.661260] ? down_read_killable+0x1d7/0x4e0 [ 51.661888] ? __pfx_setup_net+0x10/0x10 [ 51.662489] ? copy_net_ns+0x17c/0x770 [ 51.663086] copy_net_ns+0x321/0x770 [ 51.663625] create_new_namespaces+0x3f6/0xb30 [ 51.664311] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.664990] ksys_unshare+0x44d/0x8e0 [ 51.665573] ? __pfx_ksys_unshare+0x10/0x10 [ 51.666214] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.667011] __x64_sys_unshare+0x31/0x40 [ 51.667626] do_syscall_64+0x3f/0x90 [ 51.668192] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.668903] RIP: 0033:0x7fcd2e6a20d7 [ 51.669459] 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 [ 51.671892] RSP: 002b:00007ffe74fd3e88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.672944] RAX: ffffffffffffffda RBX: 00007ffe74fd44c8 RCX: 00007fcd2e6a20d7 [ 51.673928] RDX: 00007fcd2e70c41f RSI: 00007ffe74fd3e20 RDI: 0000000040000000 [ 51.674926] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe74fd3c30 [ 51.675912] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fcd2e7b4bf0 [ 51.676897] R13: 00007ffe74fd3f60 R14: 0000000000000000 R15: 00000000000000f8 [ 51.677921] [ 51.678304] irq event stamp: 10083 [ 51.678787] hardirqs last enabled at (10093): [] __up_console_sem+0x78/0x80 [ 51.680034] hardirqs last disabled at (10110): [] __up_console_sem+0x5d/0x80 [ 51.681246] softirqs last enabled at (10106): [] irq_exit_rcu+0x93/0xc0 [ 51.682408] softirqs last disabled at (10101): [] irq_exit_rcu+0x93/0xc0 [ 51.683563] ---[ end trace 0000000000000000 ]--- [ 51.689590] ------------[ cut here ]------------ [ 51.690281] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.692149] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.693278] Modules linked in: [ 51.693712] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.694947] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.696069] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.696754] 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 [ 51.699086] RSP: 0018:ffff88801984fc00 EFLAGS: 00010282 [ 51.699795] RAX: 0000000000000000 RBX: ffff88800c53f640 RCX: 0000000000000000 [ 51.700762] RDX: ffff88800fe151c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.701722] RBP: ffff88800c53f654 R08: 0000000000000001 R09: 0000000000000000 [ 51.702679] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.703641] R13: ffffffff84e223a0 R14: ffff88800c53f648 R15: ffffffff84da62e0 [ 51.704601] FS: 0000555557041400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.705665] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.706466] CR2: 00007fba91d786f4 CR3: 000000000e6b8000 CR4: 0000000000350ee0 [ 51.707433] Call Trace: [ 51.707800] [ 51.708174] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.708845] ipv6_frags_init_net+0x206/0x3c0 [ 51.709497] ops_init+0xbb/0x6b0 [ 51.709990] setup_net+0x3d9/0x990 [ 51.710533] ? down_read_killable+0x1d7/0x4e0 [ 51.711193] ? __pfx_setup_net+0x10/0x10 [ 51.711796] ? copy_net_ns+0x17c/0x770 [ 51.712395] copy_net_ns+0x321/0x770 [ 51.712930] create_new_namespaces+0x3f6/0xb30 [ 51.713617] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.714346] ksys_unshare+0x44d/0x8e0 [ 51.714893] ? __pfx_ksys_unshare+0x10/0x10 [ 51.715542] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.716390] __x64_sys_unshare+0x31/0x40 [ 51.716963] do_syscall_64+0x3f/0x90 [ 51.717527] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.718267] RIP: 0033:0x7fcd2e6a20d7 [ 51.718787] 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 [ 51.721214] RSP: 002b:00007ffe74fd3e88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.722264] RAX: ffffffffffffffda RBX: 00007ffe74fd44c8 RCX: 00007fcd2e6a20d7 [ 51.723259] RDX: 00007fcd2e70c41f RSI: 00007ffe74fd3e20 RDI: 0000000040000000 [ 51.724264] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe74fd3c30 [ 51.725254] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fcd2e7b4bf0 [ 51.726232] R13: 00007ffe74fd3f60 R14: 0000000000000000 R15: 00000000000000f8 [ 51.727248] [ 51.727584] irq event stamp: 11965 [ 51.728118] hardirqs last enabled at (11977): [] __up_console_sem+0x78/0x80 [ 51.729291] hardirqs last disabled at (11988): [] __up_console_sem+0x5d/0x80 [ 51.730484] softirqs last enabled at (11448): [] irq_exit_rcu+0x93/0xc0 [ 51.731663] softirqs last disabled at (11443): [] irq_exit_rcu+0x93/0xc0 [ 51.732817] ---[ end trace 0000000000000000 ]--- [ 51.734369] ------------[ cut here ]------------ [ 51.735011] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.737266] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.738440] Modules linked in: [ 51.738893] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.740196] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.741323] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.742032] 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 [ 51.744491] RSP: 0018:ffff88801984fbf0 EFLAGS: 00010286 [ 51.745249] RAX: 0000000000000000 RBX: ffff88800c53fc40 RCX: 0000000000000000 [ 51.746231] RDX: ffff88800fe151c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.747225] RBP: ffff88800c53fc54 R08: 0000000000000001 R09: 0000000000000000 [ 51.748236] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.749220] R13: ffffffff84e223a0 R14: ffff88800c53fc48 R15: ffffffff84daf020 [ 51.750204] FS: 0000555557041400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.751304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.752130] CR2: 00007fba91d786f4 CR3: 000000000e6b8000 CR4: 0000000000350ee0 [ 51.753099] Call Trace: [ 51.753458] [ 51.753791] nf_ct_net_init+0x224/0x3d0 [ 51.754396] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.755028] ops_init+0xbb/0x6b0 [ 51.755558] setup_net+0x3d9/0x990 [ 51.756108] ? down_read_killable+0x1d7/0x4e0 [ 51.756732] ? __pfx_setup_net+0x10/0x10 [ 51.757331] ? copy_net_ns+0x17c/0x770 [ 51.757885] copy_net_ns+0x321/0x770 [ 51.758458] create_new_namespaces+0x3f6/0xb30 [ 51.759134] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.759839] ksys_unshare+0x44d/0x8e0 [ 51.760412] ? __pfx_ksys_unshare+0x10/0x10 [ 51.761014] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.761834] __x64_sys_unshare+0x31/0x40 [ 51.762440] do_syscall_64+0x3f/0x90 [ 51.762970] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.763717] RIP: 0033:0x7fcd2e6a20d7 [ 51.764265] 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 [ 51.766656] RSP: 002b:00007ffe74fd3e88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.767720] RAX: ffffffffffffffda RBX: 00007ffe74fd44c8 RCX: 00007fcd2e6a20d7 [ 51.768702] RDX: 00007fcd2e70c41f RSI: 00007ffe74fd3e20 RDI: 0000000040000000 [ 51.769692] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe74fd3c30 [ 51.770686] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fcd2e7b4bf0 [ 51.771702] R13: 00007ffe74fd3f60 R14: 0000000000000000 R15: 00000000000000f8 [ 51.772710] [ 51.773074] irq event stamp: 12739 [ 51.773560] hardirqs last enabled at (12749): [] __up_console_sem+0x78/0x80 [ 51.774742] hardirqs last disabled at (12760): [] __up_console_sem+0x5d/0x80 [ 51.775927] softirqs last enabled at (12282): [] irq_exit_rcu+0x93/0xc0 [ 51.777084] softirqs last disabled at (12277): [] irq_exit_rcu+0x93/0xc0 [ 51.778241] ---[ end trace 0000000000000000 ]--- executing program [ 53.279778] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.328150] Bluetooth: hci0: command 0x041b tx timeout [ 57.375128] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.423124] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 08:50:55 Registers: info registers vcpu 0 RAX=0000000000027469 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=00007f826ab30ad0 CR3=0000000019006000 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=00001fa0 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=532e29646d432a282e636578652f736f XMM03=00000000000000000000000000000000 XMM04=00000000000000003fc3b2b988687ead XMM05=000000c000084aa0000000c000084a80 XMM06=00000000000000003fd3333333333333 XMM07=00000000000000003fda2574a521b061 XMM08=00000000000000003fe26a720d0ad14e XMM09=00000000000000003fb9b9f6cebcf0d8 XMM10=00000000000000003fd29b8851f6bebc XMM11=000000c00007ed20000000c00001c4f0 XMM12=000000c0000841d0000000c0000842a0 XMM13=000000c0000841f0000000c0000841e0 XMM14=000000c0000841b0000000c0000841c0 XMM15=000000c0003a0000000000c0000844a0 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801984f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555557041400 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=00007fba91d786f4 CR3=000000000e6b8000 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