Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:58626' (ECDSA) to the list of known hosts. 2023/05/16 17:07:23 fuzzer started 2023/05/16 17:07:24 dialing manager at localhost:35573 2023/05/16 17:07:24 checking machine... 2023/05/16 17:07:24 checking revisions... syzkaller login: [ 36.102898] kmemleak: Automatic memory scanning thread ended 2023/05/16 17:07:24 testing simple program... [ 36.165221] cgroup: Unknown subsys name 'net' [ 36.235757] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.273604] audit: type=1400 audit(1684256858.383:6): 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 executing program [ 51.384432] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.386419] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.388812] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.394509] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.396957] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.398806] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.791600] ------------[ cut here ]------------ [ 51.792339] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.794332] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.795593] Modules linked in: [ 51.796039] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.797963] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.799920] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.800773] 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 [ 51.803041] RSP: 0018:ffff888014687c00 EFLAGS: 00010282 [ 51.803794] RAX: 0000000000000000 RBX: ffff88800fa8b440 RCX: 0000000000000000 [ 51.804694] RDX: ffff888019298000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.805576] RBP: ffff88800fa8b454 R08: 0000000000000001 R09: 0000000000000000 [ 51.806460] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.807357] R13: ffffffff84e223a0 R14: ffff88800fa8b448 R15: ffffffff84d73340 [ 51.808275] FS: 000055555591e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.809278] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.809982] CR2: 00007f8d71ec06f4 CR3: 000000000f48e000 CR4: 0000000000350ee0 [ 51.810864] Call Trace: [ 51.811192] [ 51.811526] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.812155] ipv4_frags_init_net+0x269/0x440 [ 51.812743] ops_init+0xbb/0x6b0 [ 51.813196] setup_net+0x3d9/0x990 [ 51.813688] ? down_read_killable+0x1d7/0x4e0 [ 51.814283] ? __pfx_setup_net+0x10/0x10 [ 51.814791] ? copy_net_ns+0x17c/0x770 [ 51.815338] copy_net_ns+0x321/0x770 [ 51.815820] create_new_namespaces+0x3f6/0xb30 [ 51.816460] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.817078] ksys_unshare+0x44d/0x8e0 [ 51.817613] ? __pfx_ksys_unshare+0x10/0x10 [ 51.818165] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.818916] __x64_sys_unshare+0x31/0x40 [ 51.819469] do_syscall_64+0x3f/0x90 [ 51.819964] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.820628] RIP: 0033:0x7f5e362380d7 [ 51.821094] 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 [ 51.823222] RSP: 002b:00007ffd80430918 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.824167] RAX: ffffffffffffffda RBX: 00007ffd80430f58 RCX: 00007f5e362380d7 [ 51.825057] RDX: 00007f5e362a241f RSI: 00007ffd804308b0 RDI: 0000000040000000 [ 51.825940] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd804306c0 [ 51.826814] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f5e3634abf0 [ 51.827696] R13: 00007ffd804309f0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.828621] [ 51.828926] irq event stamp: 8389 [ 51.829381] hardirqs last enabled at (8401): [] __up_console_sem+0x78/0x80 [ 51.830436] hardirqs last disabled at (8412): [] __up_console_sem+0x5d/0x80 [ 51.831488] softirqs last enabled at (7962): [] irq_exit_rcu+0x93/0xc0 [ 51.832536] softirqs last disabled at (7921): [] irq_exit_rcu+0x93/0xc0 [ 51.833546] ---[ end trace 0000000000000000 ]--- [ 51.840000] ------------[ cut here ]------------ [ 51.840658] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.842315] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.843365] Modules linked in: [ 51.843805] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.845054] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.846062] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.846738] 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 [ 51.848897] RSP: 0018:ffff888014687c00 EFLAGS: 00010282 [ 51.849585] RAX: 0000000000000000 RBX: ffff88800f039640 RCX: 0000000000000000 [ 51.850476] RDX: ffff888019298000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.851359] RBP: ffff88800f039654 R08: 0000000000000001 R09: 0000000000000000 [ 51.852265] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.853114] R13: ffffffff84e223a0 R14: ffff88800f039648 R15: ffffffff84da62e0 [ 51.854006] FS: 000055555591e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.855000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.855735] CR2: 00007f8d71ec06f4 CR3: 000000000f48e000 CR4: 0000000000350ee0 [ 51.856641] Call Trace: [ 51.856963] [ 51.857297] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.857908] ipv6_frags_init_net+0x206/0x3c0 [ 51.858508] ops_init+0xbb/0x6b0 [ 51.858945] setup_net+0x3d9/0x990 [ 51.859439] ? down_read_killable+0x1d7/0x4e0 [ 51.860010] ? __pfx_setup_net+0x10/0x10 [ 51.860551] ? copy_net_ns+0x17c/0x770 [ 51.861051] copy_net_ns+0x321/0x770 [ 51.861566] create_new_namespaces+0x3f6/0xb30 [ 51.862153] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.862802] ksys_unshare+0x44d/0x8e0 [ 51.863330] ? __pfx_ksys_unshare+0x10/0x10 [ 51.863910] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.864650] __x64_sys_unshare+0x31/0x40 [ 51.865165] do_syscall_64+0x3f/0x90 [ 51.865676] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.866351] RIP: 0033:0x7f5e362380d7 [ 51.866811] 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 [ 51.868975] RSP: 002b:00007ffd80430918 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.869912] RAX: ffffffffffffffda RBX: 00007ffd80430f58 RCX: 00007f5e362380d7 [ 51.870801] RDX: 00007f5e362a241f RSI: 00007ffd804308b0 RDI: 0000000040000000 [ 51.871700] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd804306c0 [ 51.872618] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f5e3634abf0 [ 51.873508] R13: 00007ffd804309f0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.874419] [ 51.874727] irq event stamp: 10313 [ 51.875158] hardirqs last enabled at (10323): [] __up_console_sem+0x78/0x80 [ 51.876257] hardirqs last disabled at (10336): [] __up_console_sem+0x5d/0x80 [ 51.877310] softirqs last enabled at (9796): [] irq_exit_rcu+0x93/0xc0 [ 51.878339] softirqs last disabled at (9783): [] irq_exit_rcu+0x93/0xc0 [ 51.879350] ---[ end trace 0000000000000000 ]--- [ 51.880679] ------------[ cut here ]------------ [ 51.881396] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.883285] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.884349] Modules linked in: [ 51.884755] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.885895] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.886918] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.887592] 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 [ 51.889745] RSP: 0018:ffff888014687bf0 EFLAGS: 00010286 [ 51.890420] RAX: 0000000000000000 RBX: ffff88800f039840 RCX: 0000000000000000 [ 51.891307] RDX: ffff888019298000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.892157] RBP: ffff88800f039854 R08: 0000000000000001 R09: 0000000000000000 [ 51.893051] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.893932] R13: ffffffff84e223a0 R14: ffff88800f039848 R15: ffffffff84daf020 [ 51.894814] FS: 000055555591e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.895810] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.896573] CR2: 00007f8d71ec06f4 CR3: 000000000f48e000 CR4: 0000000000350ee0 [ 51.897460] Call Trace: [ 51.897791] [ 51.898096] nf_ct_net_init+0x224/0x3d0 [ 51.898663] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.899265] ops_init+0xbb/0x6b0 [ 51.899713] setup_net+0x3d9/0x990 [ 51.900177] ? down_read_killable+0x1d7/0x4e0 [ 51.900784] ? __pfx_setup_net+0x10/0x10 [ 51.901326] ? copy_net_ns+0x17c/0x770 [ 51.901829] copy_net_ns+0x321/0x770 [ 51.902342] create_new_namespaces+0x3f6/0xb30 [ 51.902924] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.903586] ksys_unshare+0x44d/0x8e0 [ 51.904156] ? __pfx_ksys_unshare+0x10/0x10 [ 51.904799] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.905596] __x64_sys_unshare+0x31/0x40 [ 51.906167] do_syscall_64+0x3f/0x90 [ 51.906725] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.907440] RIP: 0033:0x7f5e362380d7 [ 51.907972] 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 [ 51.910374] RSP: 002b:00007ffd80430918 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.911425] RAX: ffffffffffffffda RBX: 00007ffd80430f58 RCX: 00007f5e362380d7 [ 51.912430] RDX: 00007f5e362a241f RSI: 00007ffd804308b0 RDI: 0000000040000000 [ 51.913415] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd804306c0 [ 51.914421] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f5e3634abf0 [ 51.915394] R13: 00007ffd804309f0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.916427] [ 51.916748] irq event stamp: 11115 [ 51.917262] hardirqs last enabled at (11127): [] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 51.918602] hardirqs last disabled at (11138): [] __up_console_sem+0x5d/0x80 [ 51.919859] softirqs last enabled at (11152): [] irq_exit_rcu+0x93/0xc0 [ 51.921022] softirqs last disabled at (11147): [] irq_exit_rcu+0x93/0xc0 [ 51.922180] ---[ end trace 0000000000000000 ]--- [ 53.456059] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.503538] Bluetooth: hci0: command 0x041b tx timeout executing program [ 57.551309] Bluetooth: hci0: command 0x040f tx timeout [ 59.599328] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 17:07:38 Registers: info registers vcpu 0 RAX=fffffffffb63ff2a RBX=ffffffff85dbb11c RCX=ffffffff813fb055 RDX=0000000000000000 RSI=ffffffff860d5ed6 RDI=ffffffff85dbb104 RBP=ffffffff85dbb104 RSP=ffff88806ce098b0 R8 =ffffffff860d5ed6 R9 =ffffffff860d5b50 R10=0000000000038001 R11=00000000000124c1 R12=ffffffff85dbb134 R13=ffffffff85dbb104 R14=ffffffff85dbb104 R15=dffffc0000000000 RIP=ffffffff81130c73 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 00007ff1eb7a4900 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=00007ff1eac9ef40 CR3=000000000e580000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=117864066a3bf720000000000010ff08 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=098f943c2f884a5e00000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000002 RBX=ffff888014687348 RCX=ffffffff8448f5cb RDX=ffff888019298000 RSI=0000000000000000 RDI=0000000000000001 RBP=dffffc0000000000 RSP=ffff888014687228 R8 =0000000000000001 R9 =0000000000000025 R10=0000000000000025 R11=fffffffffffcb430 R12=ffffffff8487a540 R13=1ffff110028d0e49 R14=0000000000000025 R15=ffffffff8487a541 RIP=ffffffff814bf271 RFL=00000246 [---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 000055555591e400 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=00007f8d71ec06f4 CR3=000000000f48e000 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