Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:20023' (ECDSA) to the list of known hosts. 2023/05/16 18:56:35 fuzzer started 2023/05/16 18:56:35 dialing manager at localhost:35573 2023/05/16 18:56:35 checking machine... 2023/05/16 18:56:35 checking revisions... syzkaller login: [ 36.480406] kmemleak: Automatic memory scanning thread ended 2023/05/16 18:56:35 testing simple program... [ 36.550680] cgroup: Unknown subsys name 'net' [ 36.617150] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.797489] audit: type=1400 audit(1684263408.165:6): avc: denied { execmem } for pid=256 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 49.941235] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.942609] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.943900] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.946368] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.947706] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.948869] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.331665] ------------[ cut here ]------------ [ 50.332312] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.333954] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.334971] Modules linked in: [ 50.335408] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.337514] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.340172] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.341523] 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 [ 50.344170] RSP: 0018:ffff88800fe3fc00 EFLAGS: 00010282 [ 50.344931] RAX: 0000000000000000 RBX: ffff88800e2f2440 RCX: 0000000000000000 [ 50.346104] RDX: ffff888015961b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.347228] RBP: ffff88800e2f2454 R08: 0000000000000001 R09: 0000000000000000 [ 50.348362] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.349513] R13: ffffffff84e223a0 R14: ffff88800e2f2448 R15: ffffffff84d73340 [ 50.350646] FS: 0000555557460400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.351900] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.352830] CR2: 00007fefea99d6f4 CR3: 0000000017680000 CR4: 0000000000350ef0 [ 50.353926] Call Trace: [ 50.354438] [ 50.354774] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.355595] ipv4_frags_init_net+0x269/0x440 [ 50.356340] ops_init+0xbb/0x6b0 [ 50.356839] setup_net+0x3d9/0x990 [ 50.357494] ? down_read_killable+0x1d7/0x4e0 [ 50.358330] ? __pfx_setup_net+0x10/0x10 [ 50.358908] ? copy_net_ns+0x17c/0x770 [ 50.359681] copy_net_ns+0x321/0x770 [ 50.360341] create_new_namespaces+0x3f6/0xb30 [ 50.360990] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.361853] ksys_unshare+0x44d/0x8e0 [ 50.362639] ? __pfx_ksys_unshare+0x10/0x10 [ 50.363395] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.364241] __x64_sys_unshare+0x31/0x40 [ 50.364832] do_syscall_64+0x3f/0x90 [ 50.365419] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.366177] RIP: 0033:0x7ff1a26770d7 [ 50.366710] 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 [ 50.369091] RSP: 002b:00007ffe299c44b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.370030] RAX: ffffffffffffffda RBX: 00007ffe299c4af8 RCX: 00007ff1a26770d7 [ 50.370921] RDX: 00007ff1a26e141f RSI: 00007ffe299c4450 RDI: 0000000040000000 [ 50.371795] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe299c4260 [ 50.372675] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff1a2789bf0 [ 50.373567] R13: 00007ffe299c4590 R14: 0000000000000000 R15: 00000000000000f8 [ 50.374480] [ 50.374776] irq event stamp: 9901 [ 50.375228] hardirqs last enabled at (9913): [] __up_console_sem+0x78/0x80 [ 50.376285] hardirqs last disabled at (9924): [] __up_console_sem+0x5d/0x80 [ 50.377345] softirqs last enabled at (9742): [] irq_exit_rcu+0x93/0xc0 [ 50.378364] softirqs last disabled at (9715): [] irq_exit_rcu+0x93/0xc0 [ 50.379397] ---[ end trace 0000000000000000 ]--- [ 50.384490] ------------[ cut here ]------------ [ 50.385101] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.386797] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.387867] Modules linked in: [ 50.388302] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.389456] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.390472] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.391139] 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 [ 50.393331] RSP: 0018:ffff88800fe3fc00 EFLAGS: 00010282 [ 50.393992] RAX: 0000000000000000 RBX: ffff88801644f240 RCX: 0000000000000000 [ 50.394892] RDX: ffff888015961b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.395780] RBP: ffff88801644f254 R08: 0000000000000001 R09: 0000000000000000 [ 50.396668] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.397596] R13: ffffffff84e223a0 R14: ffff88801644f248 R15: ffffffff84da62e0 [ 50.398497] FS: 0000555557460400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.399510] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.400259] CR2: 00007fefea99d6f4 CR3: 0000000017680000 CR4: 0000000000350ef0 [ 50.401147] Call Trace: [ 50.401491] [ 50.401785] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.402429] ipv6_frags_init_net+0x206/0x3c0 [ 50.402984] ops_init+0xbb/0x6b0 [ 50.403458] setup_net+0x3d9/0x990 [ 50.403916] ? down_read_killable+0x1d7/0x4e0 [ 50.404516] ? __pfx_setup_net+0x10/0x10 [ 50.405025] ? copy_net_ns+0x17c/0x770 [ 50.405578] copy_net_ns+0x321/0x770 [ 50.406095] create_new_namespaces+0x3f6/0xb30 [ 50.406680] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.407324] ksys_unshare+0x44d/0x8e0 [ 50.407815] ? __pfx_ksys_unshare+0x10/0x10 [ 50.408391] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.409131] __x64_sys_unshare+0x31/0x40 [ 50.409665] do_syscall_64+0x3f/0x90 [ 50.410163] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.410809] RIP: 0033:0x7ff1a26770d7 [ 50.411298] 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 [ 50.413491] RSP: 002b:00007ffe299c44b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.414443] RAX: ffffffffffffffda RBX: 00007ffe299c4af8 RCX: 00007ff1a26770d7 [ 50.415327] RDX: 00007ff1a26e141f RSI: 00007ffe299c4450 RDI: 0000000040000000 [ 50.416222] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe299c4260 [ 50.417119] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff1a2789bf0 [ 50.417981] R13: 00007ffe299c4590 R14: 0000000000000000 R15: 00000000000000f8 [ 50.418892] [ 50.419225] irq event stamp: 11611 [ 50.419662] hardirqs last enabled at (11621): [] __up_console_sem+0x78/0x80 [ 50.420722] hardirqs last disabled at (11632): [] __up_console_sem+0x5d/0x80 [ 50.421815] softirqs last enabled at (11372): [] irq_exit_rcu+0x93/0xc0 [ 50.422862] softirqs last disabled at (11367): [] irq_exit_rcu+0x93/0xc0 [ 50.423905] ---[ end trace 0000000000000000 ]--- [ 50.425252] ------------[ cut here ]------------ [ 50.425835] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.427741] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.428809] Modules linked in: [ 50.429261] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.430412] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.431432] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.432107] 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 [ 50.434284] RSP: 0018:ffff88800fe3fbf0 EFLAGS: 00010286 [ 50.434930] RAX: 0000000000000000 RBX: ffff88801644f840 RCX: 0000000000000000 [ 50.435806] RDX: ffff888015961b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.436687] RBP: ffff88801644f854 R08: 0000000000000001 R09: 0000000000000000 [ 50.437571] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.438442] R13: ffffffff84e223a0 R14: ffff88801644f848 R15: ffffffff84daf020 [ 50.439329] FS: 0000555557460400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.440322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.441023] CR2: 00007fefea99d6f4 CR3: 0000000017680000 CR4: 0000000000350ef0 [ 50.441930] Call Trace: [ 50.442293] [ 50.442593] nf_ct_net_init+0x224/0x3d0 [ 50.443134] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.443702] ops_init+0xbb/0x6b0 [ 50.444174] setup_net+0x3d9/0x990 [ 50.444622] ? down_read_killable+0x1d7/0x4e0 [ 50.445218] ? __pfx_setup_net+0x10/0x10 [ 50.445732] ? copy_net_ns+0x17c/0x770 [ 50.446271] copy_net_ns+0x321/0x770 [ 50.446751] create_new_namespaces+0x3f6/0xb30 [ 50.447364] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.447977] ksys_unshare+0x44d/0x8e0 [ 50.448498] ? __pfx_ksys_unshare+0x10/0x10 [ 50.449072] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.449802] __x64_sys_unshare+0x31/0x40 [ 50.450346] do_syscall_64+0x3f/0x90 [ 50.450825] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.451493] RIP: 0033:0x7ff1a26770d7 [ 50.451952] 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 [ 50.454119] RSP: 002b:00007ffe299c44b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.455030] RAX: ffffffffffffffda RBX: 00007ffe299c4af8 RCX: 00007ff1a26770d7 [ 50.455918] RDX: 00007ff1a26e141f RSI: 00007ffe299c4450 RDI: 0000000040000000 [ 50.456802] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe299c4260 [ 50.457697] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff1a2789bf0 [ 50.458583] R13: 00007ffe299c4590 R14: 0000000000000000 R15: 00000000000000f8 [ 50.459487] [ 50.459786] irq event stamp: 12345 [ 50.460255] hardirqs last enabled at (12357): [] __up_console_sem+0x78/0x80 [ 50.461326] hardirqs last disabled at (12368): [] __up_console_sem+0x5d/0x80 [ 50.462395] softirqs last enabled at (11844): [] irq_exit_rcu+0x93/0xc0 [ 50.463428] softirqs last disabled at (11835): [] irq_exit_rcu+0x93/0xc0 [ 50.464462] ---[ end trace 0000000000000000 ]--- executing program [ 52.018666] Bluetooth: hci0: command 0x0409 tx timeout [ 54.067182] Bluetooth: hci0: command 0x041b tx timeout executing program [ 56.114115] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.162131] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 18:56:42 Registers: info registers vcpu 0 RAX=0000000000000058 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800fe3f618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000058 R11=0000000000000001 R12=0000000000000058 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 0000555557460400 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=00007fefea99d6f4 CR3=0000000017680000 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=ffffffff813ac0d0 RBX=0000000000000001 RCX=0000000000000001 RDX=ffff888015ad7601 RSI=ffff888015ad76c0 RDI=ffff888015ad76c0 RBP=ffff888015ad7678 RSP=ffff888015ad7558 R8 =ffffffff8607eb3a R9 =ffffffff8607eb3e R10=0000000000038001 R11=ffff888015ad7660 R12=ffff888015ad7680 R13=ffff888015ad7668 R14=ffff888015ad76c8 R15=ffff888015ad7620 RIP=ffffffff81130bd3 RFL=00000202 [-------] 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 00007f0f7abf4900 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=00007f0f7a0f1310 CR3=000000000e7ec000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=7f7f259996b10ba4000000000013cc60 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=ad8a8a22320e6bd100000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000