Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:60705' (ECDSA) to the list of known hosts. 2023/05/18 04:30:39 fuzzer started 2023/05/18 04:30:40 dialing manager at localhost:44319 2023/05/18 04:30:40 checking machine... 2023/05/18 04:30:40 checking revisions... syzkaller login: [ 34.910181] kmemleak: Automatic memory scanning thread ended 2023/05/18 04:30:40 testing simple program... [ 34.979545] cgroup: Unknown subsys name 'net' [ 35.080205] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.228478] audit: type=1400 audit(1684384253.712:6): 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 [ 49.307899] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.310948] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.312962] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.315948] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.317769] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.319322] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 49.703110] ------------[ cut here ]------------ [ 49.703772] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 49.705423] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.706504] Modules linked in: [ 49.706935] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 49.710504] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.712833] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.713515] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 49.715688] RSP: 0018:ffff888016c8fc00 EFLAGS: 00010282 [ 49.716335] RAX: 0000000000000000 RBX: ffff88800d8e7840 RCX: 0000000000000000 [ 49.717218] RDX: ffff888016a8b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 49.718107] RBP: ffff88800d8e7854 R08: 0000000000000001 R09: 0000000000000000 [ 49.718990] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 49.719877] R13: ffffffff84e23fe0 R14: ffff88800d8e7848 R15: ffffffff84d74dc0 [ 49.720765] FS: 0000555555d30400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 49.721756] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.722516] CR2: 00007f69108d76f4 CR3: 000000000fcbe000 CR4: 0000000000350ef0 [ 49.723400] Call Trace: [ 49.723726] [ 49.724022] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 49.724670] ipv4_frags_init_net+0x269/0x440 [ 49.725226] ops_init+0xbb/0x6b0 [ 49.725706] setup_net+0x3d9/0x990 [ 49.726168] ? down_read_killable+0x1d7/0x4e0 [ 49.726766] ? __pfx_setup_net+0x10/0x10 [ 49.727281] ? copy_net_ns+0x17c/0x770 [ 49.727814] copy_net_ns+0x321/0x770 [ 49.728297] create_new_namespaces+0x3f6/0xb30 [ 49.728912] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.729553] ksys_unshare+0x44d/0x8e0 [ 49.730071] ? __pfx_ksys_unshare+0x10/0x10 [ 49.730656] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.731391] __x64_sys_unshare+0x31/0x40 [ 49.731904] do_syscall_64+0x3f/0x90 [ 49.732404] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.733054] RIP: 0033:0x7fb4f81500d7 [ 49.733562] 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 [ 49.735744] RSP: 002b:00007ffc6cfd0f78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 49.736698] RAX: ffffffffffffffda RBX: 00007ffc6cfd15b8 RCX: 00007fb4f81500d7 [ 49.737594] RDX: 00007fb4f81ba41f RSI: 00007ffc6cfd0f10 RDI: 0000000040000000 [ 49.738495] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc6cfd0d20 [ 49.739382] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fb4f8262bf0 [ 49.740241] R13: 00007ffc6cfd1050 R14: 0000000000000000 R15: 00000000000000f8 [ 49.741155] [ 49.741485] irq event stamp: 8035 [ 49.741910] hardirqs last enabled at (8045): [] __up_console_sem+0x78/0x80 [ 49.742980] hardirqs last disabled at (8056): [] __up_console_sem+0x5d/0x80 [ 49.744077] softirqs last enabled at (7930): [] irq_exit_rcu+0x93/0xc0 [ 49.745170] softirqs last disabled at (7925): [] irq_exit_rcu+0x93/0xc0 [ 49.746279] ---[ end trace 0000000000000000 ]--- [ 49.751412] ------------[ cut here ]------------ [ 49.752053] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 49.753833] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.754980] Modules linked in: [ 49.755446] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 49.756694] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.757791] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.758512] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 49.760803] RSP: 0018:ffff888016c8fc00 EFLAGS: 00010282 [ 49.761528] RAX: 0000000000000000 RBX: ffff88800c47ee40 RCX: 0000000000000000 [ 49.762487] RDX: ffff888016a8b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 49.763433] RBP: ffff88800c47ee54 R08: 0000000000000001 R09: 0000000000000000 [ 49.764410] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.765315] R13: ffffffff84e23fe0 R14: ffff88800c47ee48 R15: ffffffff84da7d60 [ 49.766256] FS: 0000555555d30400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 49.767323] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 executing program [ 49.768087] CR2: 00007f69108d76f4 CR3: 000000000fcbe000 CR4: 0000000000350ef0 [ 49.769624] Call Trace: [ 49.769969] [ 49.770503] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 49.771271] ipv6_frags_init_net+0x206/0x3c0 [ 49.772026] ops_init+0xbb/0x6b0 [ 49.772630] setup_net+0x3d9/0x990 [ 49.773194] ? down_read_killable+0x1d7/0x4e0 [ 49.773950] ? __pfx_setup_net+0x10/0x10 [ 49.774659] ? copy_net_ns+0x17c/0x770 [ 49.775283] copy_net_ns+0x321/0x770 [ 49.775924] create_new_namespaces+0x3f6/0xb30 [ 49.776691] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.777502] ksys_unshare+0x44d/0x8e0 [ 49.778120] ? __pfx_ksys_unshare+0x10/0x10 [ 49.778825] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.779738] __x64_sys_unshare+0x31/0x40 [ 49.780420] do_syscall_64+0x3f/0x90 [ 49.781015] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.781861] RIP: 0033:0x7fb4f81500d7 [ 49.782488] 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 [ 49.785210] RSP: 002b:00007ffc6cfd0f78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 49.786429] RAX: ffffffffffffffda RBX: 00007ffc6cfd15b8 RCX: 00007fb4f81500d7 [ 49.787400] RDX: 00007fb4f81ba41f RSI: 00007ffc6cfd0f10 RDI: 0000000040000000 [ 49.788299] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc6cfd0d20 [ 49.789250] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fb4f8262bf0 [ 49.790186] R13: 00007ffc6cfd1050 R14: 0000000000000000 R15: 00000000000000f8 [ 49.791132] [ 49.791480] irq event stamp: 9771 [ 49.791927] hardirqs last enabled at (9781): [] __up_console_sem+0x78/0x80 [ 49.793029] hardirqs last disabled at (9792): [] __up_console_sem+0x5d/0x80 [ 49.794244] softirqs last enabled at (9814): [] irq_exit_rcu+0x93/0xc0 [ 49.795461] softirqs last disabled at (9823): [] irq_exit_rcu+0x93/0xc0 [ 49.796573] ---[ end trace 0000000000000000 ]--- [ 49.798038] ------------[ cut here ]------------ [ 49.798720] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 49.800738] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.801842] Modules linked in: [ 49.802273] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 49.803509] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.804587] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.805253] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 49.807574] RSP: 0018:ffff888016c8fbf0 EFLAGS: 00010286 [ 49.808259] RAX: 0000000000000000 RBX: ffff88800c47ea40 RCX: 0000000000000000 [ 49.809195] RDX: ffff888016a8b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 49.810148] RBP: ffff88800c47ea54 R08: 0000000000000001 R09: 0000000000000000 [ 49.811085] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.812013] R13: ffffffff84e23fe0 R14: ffff88800c47ea48 R15: ffffffff84db0aa0 [ 49.812947] FS: 0000555555d30400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 49.814002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.814784] CR2: 00007f69108d76f4 CR3: 000000000fcbe000 CR4: 0000000000350ef0 [ 49.815713] Call Trace: [ 49.816054] [ 49.816392] nf_ct_net_init+0x224/0x3d0 [ 49.816939] ? __pfx_nf_ct_net_init+0x10/0x10 [ 49.817572] ops_init+0xbb/0x6b0 [ 49.818060] setup_net+0x3d9/0x990 [ 49.818566] ? down_read_killable+0x1d7/0x4e0 [ 49.819161] ? __pfx_setup_net+0x10/0x10 [ 49.819723] ? copy_net_ns+0x17c/0x770 [ 49.820253] copy_net_ns+0x321/0x770 [ 49.820784] create_new_namespaces+0x3f6/0xb30 [ 49.821428] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.822085] ksys_unshare+0x44d/0x8e0 [ 49.822623] ? __pfx_ksys_unshare+0x10/0x10 [ 49.823195] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.823961] __x64_sys_unshare+0x31/0x40 [ 49.824531] do_syscall_64+0x3f/0x90 [ 49.825034] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.825740] RIP: 0033:0x7fb4f81500d7 [ 49.826240] 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 [ 49.828542] RSP: 002b:00007ffc6cfd0f78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 49.829528] RAX: ffffffffffffffda RBX: 00007ffc6cfd15b8 RCX: 00007fb4f81500d7 [ 49.830480] RDX: 00007fb4f81ba41f RSI: 00007ffc6cfd0f10 RDI: 0000000040000000 [ 49.831420] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc6cfd0d20 [ 49.832306] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fb4f8262bf0 [ 49.833227] R13: 00007ffc6cfd1050 R14: 0000000000000000 R15: 00000000000000f8 [ 49.834191] [ 49.834535] irq event stamp: 10575 [ 49.834994] hardirqs last enabled at (10585): [] __up_console_sem+0x78/0x80 [ 49.836124] hardirqs last disabled at (10596): [] __up_console_sem+0x5d/0x80 [ 49.837247] softirqs last enabled at (10482): [] irq_exit_rcu+0x93/0xc0 [ 49.838376] softirqs last disabled at (10475): [] irq_exit_rcu+0x93/0xc0 [ 49.839462] ---[ end trace 0000000000000000 ]--- [ 51.330816] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 53.377877] Bluetooth: hci0: command 0x041b tx timeout [ 55.425427] Bluetooth: hci0: command 0x040f tx timeout executing program [ 57.473422] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 04:30:49 Registers: info registers vcpu 0 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff82507ef0 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888016c8f558 R8 =0000000000000004 R9 =0000000000000010 R10=000000000000000d R11=0000000000000001 R12=0000000000002710 R13=0000000000000060 R14=fffffbfff0fe5bd1 R15=dffffc0000000000 RIP=ffffffff82507f45 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 0000555555d30400 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=00007f69108d76f4 CR3=000000000fcbe000 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=000000000001ee8f RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f RFL=00000202 [-------] 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=00007f598f2cc550 CR3=000000000e67a000 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=2035353a30333a34302038312079614d XMM01=5d3533393630372e39342020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d35 XMM07=6e72656b2072656c6c616b7a79732035 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000