Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:5532' (ECDSA) to the list of known hosts. 2023/05/16 22:40:52 fuzzer started 2023/05/16 22:40:53 dialing manager at localhost:35573 2023/05/16 22:40:53 checking machine... 2023/05/16 22:40:53 checking revisions... syzkaller login: [ 45.583732] kmemleak: Automatic memory scanning thread ended 2023/05/16 22:40:53 testing simple program... [ 45.636914] cgroup: Unknown subsys name 'net' [ 45.684746] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 59.012000] audit: type=1400 audit(1684276866.848:6): 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 [ 60.133487] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 60.135049] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 60.141571] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 60.144760] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 60.146114] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 60.148142] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 60.534976] ------------[ cut here ]------------ [ 60.535767] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 60.538046] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 60.539322] Modules linked in: [ 60.539819] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 60.544705] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 60.545898] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 60.546694] 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 [ 60.548993] RSP: 0018:ffff88800f8b7c00 EFLAGS: 00010282 [ 60.549718] RAX: 0000000000000000 RBX: ffff88800e680c40 RCX: 0000000000000000 [ 60.550651] RDX: ffff88800feb8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 60.551591] RBP: ffff88800e680c54 R08: 0000000000000001 R09: 0000000000000000 [ 60.552550] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 60.553488] R13: ffffffff84e223a0 R14: ffff88800e680c48 R15: ffffffff84d73340 [ 60.554435] FS: 0000555556081400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 60.555471] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.556249] CR2: 00007fd60335a6f4 CR3: 000000000ee0c000 CR4: 0000000000350ee0 [ 60.557156] Call Trace: [ 60.557529] [ 60.557841] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 60.558500] ipv4_frags_init_net+0x269/0x440 [ 60.559084] ops_init+0xbb/0x6b0 [ 60.559582] setup_net+0x3d9/0x990 [ 60.560052] ? down_read_killable+0x1d7/0x4e0 [ 60.560685] ? __pfx_setup_net+0x10/0x10 [ 60.561246] ? copy_net_ns+0x17c/0x770 [ 60.561776] copy_net_ns+0x321/0x770 [ 60.562299] create_new_namespaces+0x3f6/0xb30 [ 60.562911] unshare_nsproxy_namespaces+0xc1/0x200 [ 60.563576] ksys_unshare+0x44d/0x8e0 [ 60.564081] ? __pfx_ksys_unshare+0x10/0x10 [ 60.564694] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 60.565458] __x64_sys_unshare+0x31/0x40 [ 60.565996] do_syscall_64+0x3f/0x90 [ 60.566510] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 60.567175] RIP: 0033:0x7fca77bd00d7 [ 60.567689] 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 [ 60.569977] RSP: 002b:00007fff5fee7908 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 60.570961] RAX: ffffffffffffffda RBX: 00007fff5fee7f48 RCX: 00007fca77bd00d7 [ 60.571879] RDX: 00007fca77c3a41f RSI: 00007fff5fee78a0 RDI: 0000000040000000 [ 60.572816] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff5fee76b0 [ 60.573727] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fca77ce2bf0 [ 60.574642] R13: 00007fff5fee79e0 R14: 0000000000000000 R15: 00000000000000f8 [ 60.575582] [ 60.575889] irq event stamp: 8187 [ 60.576373] hardirqs last enabled at (8199): [] __up_console_sem+0x78/0x80 [ 60.577465] hardirqs last disabled at (8210): [] __up_console_sem+0x5d/0x80 [ 60.578560] softirqs last enabled at (7746): [] irq_exit_rcu+0x93/0xc0 [ 60.579630] softirqs last disabled at (7707): [] irq_exit_rcu+0x93/0xc0 [ 60.580720] ---[ end trace 0000000000000000 ]--- [ 60.585723] ------------[ cut here ]------------ [ 60.586359] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 60.588056] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 60.589167] Modules linked in: [ 60.589617] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 60.590832] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 60.591880] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 60.592595] 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 [ 60.594878] RSP: 0018:ffff88800f8b7c00 EFLAGS: 00010282 [ 60.595593] RAX: 0000000000000000 RBX: ffff8880138efc40 RCX: 0000000000000000 [ 60.596552] RDX: ffff88800feb8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 60.597470] RBP: ffff8880138efc54 R08: 0000000000000001 R09: 0000000000000000 [ 60.598410] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 60.599336] R13: ffffffff84e223a0 R14: ffff8880138efc48 R15: ffffffff84da62e0 [ 60.600257] FS: 0000555556081400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 60.601304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.602041] CR2: 00007fd60335a6f4 CR3: 000000000ee0c000 CR4: 0000000000350ee0 [ 60.602968] Call Trace: [ 60.603340] [ 60.603648] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 60.604313] ipv6_frags_init_net+0x206/0x3c0 [ 60.604886] ops_init+0xbb/0x6b0 [ 60.605371] setup_net+0x3d9/0x990 [ 60.605841] ? down_read_killable+0x1d7/0x4e0 [ 60.606464] ? __pfx_setup_net+0x10/0x10 [ 60.606986] ? copy_net_ns+0x17c/0x770 [ 60.607535] copy_net_ns+0x321/0x770 [ 60.608031] create_new_namespaces+0x3f6/0xb30 [ 60.608694] unshare_nsproxy_namespaces+0xc1/0x200 [ 60.609358] ksys_unshare+0x44d/0x8e0 [ 60.609863] ? __pfx_ksys_unshare+0x10/0x10 [ 60.610457] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 60.611199] __x64_sys_unshare+0x31/0x40 [ 60.611764] do_syscall_64+0x3f/0x90 [ 60.612288] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 60.612952] RIP: 0033:0x7fca77bd00d7 [ 60.613459] 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 [ 60.615730] RSP: 002b:00007fff5fee7908 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 60.616732] RAX: ffffffffffffffda RBX: 00007fff5fee7f48 RCX: 00007fca77bd00d7 [ 60.617659] RDX: 00007fca77c3a41f RSI: 00007fff5fee78a0 RDI: 0000000040000000 [ 60.618571] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff5fee76b0 [ 60.619488] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fca77ce2bf0 [ 60.620418] R13: 00007fff5fee79e0 R14: 0000000000000000 R15: 00000000000000f8 [ 60.621371] [ 60.621676] irq event stamp: 9863 [ 60.622118] hardirqs last enabled at (9873): [] __up_console_sem+0x78/0x80 [ 60.623228] hardirqs last disabled at (9886): [] __up_console_sem+0x5d/0x80 [ 60.624324] softirqs last enabled at (9770): [] irq_exit_rcu+0x93/0xc0 [ 60.625390] softirqs last disabled at (9765): [] irq_exit_rcu+0x93/0xc0 [ 60.626453] ---[ end trace 0000000000000000 ]--- [ 60.628442] ------------[ cut here ]------------ [ 60.629048] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 60.630983] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 60.632072] Modules linked in: [ 60.632528] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 60.633725] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 60.634776] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 60.635470] 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 [ 60.637731] RSP: 0018:ffff88800f8b7bf0 EFLAGS: 00010286 [ 60.638430] RAX: 0000000000000000 RBX: ffff8880138ef640 RCX: 0000000000000000 [ 60.639366] RDX: ffff88800feb8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 60.640299] RBP: ffff8880138ef654 R08: 0000000000000001 R09: 0000000000000000 [ 60.641179] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 60.642100] R13: ffffffff84e223a0 R14: ffff8880138ef648 R15: ffffffff84daf020 [ 60.643005] FS: 0000555556081400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 60.644026] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.644794] CR2: 00007fd60335a6f4 CR3: 000000000ee0c000 CR4: 0000000000350ee0 [ 60.645711] Call Trace: [ 60.646051] [ 60.646387] nf_ct_net_init+0x224/0x3d0 [ 60.646917] ? __pfx_nf_ct_net_init+0x10/0x10 [ 60.647537] ops_init+0xbb/0x6b0 [ 60.647991] setup_net+0x3d9/0x990 [ 60.648486] ? down_read_killable+0x1d7/0x4e0 [ 60.649079] ? __pfx_setup_net+0x10/0x10 [ 60.649626] ? copy_net_ns+0x17c/0x770 [ 60.650153] copy_net_ns+0x321/0x770 [ 60.650673] create_new_namespaces+0x3f6/0xb30 [ 60.651303] unshare_nsproxy_namespaces+0xc1/0x200 [ 60.651948] ksys_unshare+0x44d/0x8e0 [ 60.652502] ? __pfx_ksys_unshare+0x10/0x10 [ 60.653066] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 60.653832] __x64_sys_unshare+0x31/0x40 [ 60.654388] do_syscall_64+0x3f/0x90 [ 60.654877] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 60.655573] RIP: 0033:0x7fca77bd00d7 [ 60.656062] 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 [ 60.658307] RSP: 002b:00007fff5fee7908 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 60.659282] RAX: ffffffffffffffda RBX: 00007fff5fee7f48 RCX: 00007fca77bd00d7 [ 60.660172] RDX: 00007fca77c3a41f RSI: 00007fff5fee78a0 RDI: 0000000040000000 [ 60.661105] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff5fee76b0 [ 60.662019] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fca77ce2bf0 [ 60.662944] R13: 00007fff5fee79e0 R14: 0000000000000000 R15: 00000000000000f8 [ 60.663895] [ 60.664235] irq event stamp: 10657 [ 60.664692] hardirqs last enabled at (10667): [] __up_console_sem+0x78/0x80 [ 60.665790] hardirqs last disabled at (10678): [] __up_console_sem+0x5d/0x80 [ 60.666896] softirqs last enabled at (10542): [] irq_exit_rcu+0x93/0xc0 [ 60.667963] softirqs last disabled at (10537): [] irq_exit_rcu+0x93/0xc0 [ 60.669038] ---[ end trace 0000000000000000 ]--- [ 62.215920] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 64.263318] Bluetooth: hci0: command 0x041b tx timeout [ 66.312287] Bluetooth: hci0: command 0x040f tx timeout executing program [ 68.359305] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 22:40:58 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffffffff856526a0 RCX=ffffffff814c75cc RDX=ffff888016cc51c0 RSI=0000000000000000 RDI=0000000000000001 RBP=0000000000000001 RSP=ffff8880160c75b8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=00007f19857fac10 R13=0000000000000000 R14=ffff888016cc51c0 R15=0000000000408d40 RIP=ffffffff814bf870 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f1984ecd900 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=00007f19843f5000 CR3=0000000016034000 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=502031203a5550433d4547415353454d XMM01=69615420302e726f7475636578652d7a XMM02=2d3263722d302e342e36202020202020 XMM03=6465746e69615420302e726f74756365 XMM04=d8f928da5fab84ed0000000000111810 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=d8f0f9685af8750800000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000030 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800f8b75f0 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 0000555556081400 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=00007fd60335a6f4 CR3=000000000ee0c000 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