Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:54084' (ECDSA) to the list of known hosts. 2023/05/16 22:00:07 fuzzer started 2023/05/16 22:00:08 dialing manager at localhost:35573 2023/05/16 22:00:08 checking machine... 2023/05/16 22:00:08 checking revisions... syzkaller login: [ 149.084283] kmemleak: Automatic memory scanning thread ended 2023/05/16 22:00:08 testing simple program... [ 149.155698] cgroup: Unknown subsys name 'net' [ 149.229703] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 161.956430] audit: type=1400 audit(1684274421.271:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 163.112734] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 163.114234] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 163.115579] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 163.119935] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 163.121982] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 163.123156] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 163.514575] ------------[ cut here ]------------ [ 163.515396] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 163.517413] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 163.518802] Modules linked in: [ 163.519288] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 163.524413] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 163.525490] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 163.526157] 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 [ 163.528493] RSP: 0018:ffff8880186a7c00 EFLAGS: 00010282 [ 163.529191] RAX: 0000000000000000 RBX: ffff88800f639c40 RCX: 0000000000000000 [ 163.530137] RDX: ffff88801870b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 163.531093] RBP: ffff88800f639c54 R08: 0000000000000001 R09: 0000000000000000 [ 163.532039] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 163.532985] R13: ffffffff84e223a0 R14: ffff88800f639c48 R15: ffffffff84d73340 [ 163.533929] FS: 0000555556d55400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 163.535013] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 163.535806] CR2: 00007f4a1022a6f4 CR3: 000000001f4ee000 CR4: 0000000000350ef0 [ 163.536769] Call Trace: [ 163.537118] [ 163.537468] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 163.538101] ipv4_frags_init_net+0x269/0x440 [ 163.538728] ops_init+0xbb/0x6b0 [ 163.539198] setup_net+0x3d9/0x990 [ 163.539705] ? down_read_killable+0x1d7/0x4e0 [ 163.540296] ? __pfx_setup_net+0x10/0x10 [ 163.540864] ? copy_net_ns+0x17c/0x770 [ 163.541428] copy_net_ns+0x321/0x770 [ 163.541931] create_new_namespaces+0x3f6/0xb30 [ 163.542617] unshare_nsproxy_namespaces+0xc1/0x200 [ 163.543274] ksys_unshare+0x44d/0x8e0 [ 163.543813] ? __pfx_ksys_unshare+0x10/0x10 [ 163.544422] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 163.545178] __x64_sys_unshare+0x31/0x40 [ 163.545765] do_syscall_64+0x3f/0x90 [ 163.546262] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 163.546974] RIP: 0033:0x7f4590faf0d7 [ 163.547502] 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 [ 163.549829] RSP: 002b:00007ffc60ef3168 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 163.550863] RAX: ffffffffffffffda RBX: 00007ffc60ef37a8 RCX: 00007f4590faf0d7 [ 163.551826] RDX: 00007f459101941f RSI: 00007ffc60ef3100 RDI: 0000000040000000 [ 163.552771] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc60ef2f10 [ 163.553714] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f45910c1bf0 [ 163.554678] R13: 00007ffc60ef3240 R14: 0000000000000000 R15: 00000000000000f8 [ 163.555648] [ 163.555970] irq event stamp: 10039 [ 163.556451] hardirqs last enabled at (10051): [] __up_console_sem+0x78/0x80 [ 163.557585] hardirqs last disabled at (10062): [] __up_console_sem+0x5d/0x80 [ 163.558735] softirqs last enabled at (9494): [] irq_exit_rcu+0x93/0xc0 [ 163.559813] softirqs last disabled at (9453): [] irq_exit_rcu+0x93/0xc0 [ 163.560909] ---[ end trace 0000000000000000 ]--- [ 163.565809] ------------[ cut here ]------------ [ 163.566492] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 163.568199] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 163.569333] Modules linked in: [ 163.569792] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 163.571039] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 163.572129] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 163.572837] 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 [ 163.575166] RSP: 0018:ffff8880186a7c00 EFLAGS: 00010282 [ 163.575905] RAX: 0000000000000000 RBX: ffff88800dcdae40 RCX: 0000000000000000 [ 163.576839] RDX: ffff88801870b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 163.577776] RBP: ffff88800dcdae54 R08: 0000000000000001 R09: 0000000000000000 [ 163.578728] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 163.579677] R13: ffffffff84e223a0 R14: ffff88800dcdae48 R15: ffffffff84da62e0 [ 163.580610] FS: 0000555556d55400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 163.581671] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 163.582458] CR2: 00007f4a1022a6f4 CR3: 000000001f4ee000 CR4: 0000000000350ef0 [ 163.583330] Call Trace: [ 163.583688] [ 163.583992] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 163.584625] ipv6_frags_init_net+0x206/0x3c0 [ 163.585178] ops_init+0xbb/0x6b0 [ 163.585648] setup_net+0x3d9/0x990 [ 163.586102] ? down_read_killable+0x1d7/0x4e0 [ 163.586703] ? __pfx_setup_net+0x10/0x10 [ 163.587210] ? copy_net_ns+0x17c/0x770 [ 163.587740] copy_net_ns+0x321/0x770 [ 163.588223] create_new_namespaces+0x3f6/0xb30 [ 163.588837] unshare_nsproxy_namespaces+0xc1/0x200 [ 163.589481] ksys_unshare+0x44d/0x8e0 [ 163.589965] ? __pfx_ksys_unshare+0x10/0x10 [ 163.590547] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 163.591256] __x64_sys_unshare+0x31/0x40 [ 163.591816] do_syscall_64+0x3f/0x90 [ 163.592303] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 163.592969] RIP: 0033:0x7f4590faf0d7 [ 163.593458] 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 [ 163.595654] RSP: 002b:00007ffc60ef3168 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 163.596612] RAX: ffffffffffffffda RBX: 00007ffc60ef37a8 RCX: 00007f4590faf0d7 [ 163.597512] RDX: 00007f459101941f RSI: 00007ffc60ef3100 RDI: 0000000040000000 [ 163.598404] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc60ef2f10 [ 163.599254] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f45910c1bf0 [ 163.600145] R13: 00007ffc60ef3240 R14: 0000000000000000 R15: 00000000000000f8 [ 163.601059] [ 163.601358] irq event stamp: 11621 [ 163.601829] hardirqs last enabled at (11633): [] __up_console_sem+0x78/0x80 [ 163.602922] hardirqs last disabled at (11644): [] __up_console_sem+0x5d/0x80 [ 163.603992] softirqs last enabled at (11484): [] irq_exit_rcu+0x93/0xc0 [ 163.605033] softirqs last disabled at (11471): [] irq_exit_rcu+0x93/0xc0 [ 163.606065] ---[ end trace 0000000000000000 ]--- [ 163.607446] ------------[ cut here ]------------ [ 163.608022] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 163.609903] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 163.610986] Modules linked in: [ 163.611420] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 163.612574] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 163.613603] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 163.614244] 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 [ 163.616433] RSP: 0018:ffff8880186a7bf0 EFLAGS: 00010286 [ 163.617086] RAX: 0000000000000000 RBX: ffff88800dcda640 RCX: 0000000000000000 [ 163.617974] RDX: ffff88801870b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 163.618891] RBP: ffff88800dcda654 R08: 0000000000000001 R09: 0000000000000000 [ 163.619791] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 163.620691] R13: ffffffff84e223a0 R14: ffff88800dcda648 R15: ffffffff84daf020 [ 163.621576] FS: 0000555556d55400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 163.622601] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 163.623319] CR2: 00007f4a1022a6f4 CR3: 000000001f4ee000 CR4: 0000000000350ef0 [ 163.624208] Call Trace: [ 163.624561] [ 163.624861] nf_ct_net_init+0x224/0x3d0 [ 163.625402] ? __pfx_nf_ct_net_init+0x10/0x10 [ 163.625982] ops_init+0xbb/0x6b0 [ 163.626469] setup_net+0x3d9/0x990 [ 163.626927] ? down_read_killable+0x1d7/0x4e0 [ 163.627526] ? __pfx_setup_net+0x10/0x10 [ 163.628028] ? copy_net_ns+0x17c/0x770 [ 163.628564] copy_net_ns+0x321/0x770 [ 163.629041] create_new_namespaces+0x3f6/0xb30 [ 163.629663] unshare_nsproxy_namespaces+0xc1/0x200 [ 163.630298] ksys_unshare+0x44d/0x8e0 [ 163.630830] ? __pfx_ksys_unshare+0x10/0x10 [ 163.631412] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 163.632130] __x64_sys_unshare+0x31/0x40 [ 163.632682] do_syscall_64+0x3f/0x90 [ 163.633153] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 163.633820] RIP: 0033:0x7f4590faf0d7 [ 163.634298] 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 [ 163.636469] RSP: 002b:00007ffc60ef3168 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 163.637414] RAX: ffffffffffffffda RBX: 00007ffc60ef37a8 RCX: 00007f4590faf0d7 [ 163.638263] RDX: 00007f459101941f RSI: 00007ffc60ef3100 RDI: 0000000040000000 [ 163.639182] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc60ef2f10 [ 163.640079] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f45910c1bf0 [ 163.640967] R13: 00007ffc60ef3240 R14: 0000000000000000 R15: 00000000000000f8 [ 163.641885] [ 163.642193] irq event stamp: 12345 [ 163.642676] hardirqs last enabled at (12357): [] __up_console_sem+0x78/0x80 [ 163.643753] hardirqs last disabled at (12368): [] __up_console_sem+0x5d/0x80 [ 163.644823] softirqs last enabled at (12154): [] irq_exit_rcu+0x93/0xc0 [ 163.645865] softirqs last disabled at (12149): [] irq_exit_rcu+0x93/0xc0 [ 163.646907] ---[ end trace 0000000000000000 ]--- executing program [ 165.192109] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 167.239447] Bluetooth: hci0: command 0x041b tx timeout [ 169.287510] Bluetooth: hci0: command 0x040f tx timeout executing program [ 171.335452] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 21:58:29 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880186a75f0 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 0000555556d55400 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=00007f4a1022a6f4 CR3=000000001f4ee000 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=00000000000a87f5 RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 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 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=00007fef054bb260 CR3=000000000de3e000 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=2032323a30303a32322036312079614d XMM01=5d3331343731352e33363120205b203a XMM02=74656e20746120393532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120393532203a4449 XMM06=57205d3331343731352e33363120205b XMM07=79732032323a30303a32322036312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000