Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:1086' (ECDSA) to the list of known hosts. 2023/05/16 20:50:47 fuzzer started 2023/05/16 20:50:48 dialing manager at localhost:35573 2023/05/16 20:50:48 checking machine... 2023/05/16 20:50:48 checking revisions... syzkaller login: [ 37.163665] kmemleak: Automatic memory scanning thread ended 2023/05/16 20:50:48 testing simple program... [ 37.241455] cgroup: Unknown subsys name 'net' [ 37.325696] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.270910] audit: type=1400 audit(1684270260.438:6): 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 [ 50.441268] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.443942] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.445554] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.448829] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.450731] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.453001] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.848253] ------------[ cut here ]------------ [ 50.849042] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.851385] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.852658] Modules linked in: [ 50.853170] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.858071] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.859101] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.859748] 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 [ 50.861955] RSP: 0018:ffff88801f25fc00 EFLAGS: 00010282 [ 50.862604] RAX: 0000000000000000 RBX: ffff888015fa0840 RCX: 0000000000000000 [ 50.863505] RDX: ffff888015970000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.864420] RBP: ffff888015fa0854 R08: 0000000000000001 R09: 0000000000000000 [ 50.865309] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.866198] R13: ffffffff84e223a0 R14: ffff888015fa0848 R15: ffffffff84d73340 [ 50.867103] FS: 0000555556197400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.868120] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.868866] CR2: 00007f141f5856f4 CR3: 000000001a4fc000 CR4: 0000000000350ef0 [ 50.869716] Call Trace: [ 50.870077] [ 50.870381] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.871026] ipv4_frags_init_net+0x269/0x440 [ 50.871582] ops_init+0xbb/0x6b0 [ 50.872077] setup_net+0x3d9/0x990 [ 50.872532] ? down_read_killable+0x1d7/0x4e0 [ 50.873131] ? __pfx_setup_net+0x10/0x10 [ 50.873636] ? copy_net_ns+0x17c/0x770 [ 50.874175] copy_net_ns+0x321/0x770 [ 50.874653] create_new_namespaces+0x3f6/0xb30 [ 50.875267] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.875920] ksys_unshare+0x44d/0x8e0 [ 50.876426] ? __pfx_ksys_unshare+0x10/0x10 [ 50.877012] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.877811] __x64_sys_unshare+0x31/0x40 [ 50.878347] do_syscall_64+0x3f/0x90 [ 50.878851] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.879496] RIP: 0033:0x7efdcf4ee0d7 [ 50.880041] 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 [ 50.882263] RSP: 002b:00007ffd54af8b18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.883217] RAX: ffffffffffffffda RBX: 00007ffd54af9158 RCX: 00007efdcf4ee0d7 [ 50.884119] RDX: 00007efdcf55841f RSI: 00007ffd54af8ab0 RDI: 0000000040000000 [ 50.885037] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd54af88c0 [ 50.885953] R10: 0000000000000000 R11: 0000000000000206 R12: 00007efdcf600bf0 [ 50.886869] R13: 00007ffd54af8bf0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.887826] [ 50.888157] irq event stamp: 8671 [ 50.888593] hardirqs last enabled at (8681): [] __up_console_sem+0x78/0x80 [ 50.889711] hardirqs last disabled at (8692): [] __up_console_sem+0x5d/0x80 [ 50.890824] softirqs last enabled at (7860): [] netlink_insert+0x187/0x1820 [ 50.891947] softirqs last disabled at (7858): [] release_sock+0x1f/0x1b0 [ 50.893032] ---[ end trace 0000000000000000 ]--- [ 50.899083] ------------[ cut here ]------------ [ 50.899694] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.901713] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.902814] Modules linked in: [ 50.903223] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.904418] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.905431] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.906106] 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 [ 50.908307] RSP: 0018:ffff88801f25fc00 EFLAGS: 00010282 [ 50.908994] RAX: 0000000000000000 RBX: ffff88800db80c40 RCX: 0000000000000000 [ 50.909879] RDX: ffff888015970000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.910747] RBP: ffff88800db80c54 R08: 0000000000000001 R09: 0000000000000000 [ 50.911639] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.912541] R13: ffffffff84e223a0 R14: ffff88800db80c48 R15: ffffffff84da62e0 [ 50.913436] FS: 0000555556197400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.914434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.915172] CR2: 00007f141f5856f4 CR3: 000000001a4fc000 CR4: 0000000000350ef0 [ 50.916089] Call Trace: [ 50.916416] [ 50.916714] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.917350] ipv6_frags_init_net+0x206/0x3c0 [ 50.917936] ops_init+0xbb/0x6b0 [ 50.918378] setup_net+0x3d9/0x990 [ 50.918860] ? down_read_killable+0x1d7/0x4e0 [ 50.919425] ? __pfx_setup_net+0x10/0x10 [ 50.919971] ? copy_net_ns+0x17c/0x770 [ 50.920478] copy_net_ns+0x321/0x770 [ 50.920992] create_new_namespaces+0x3f6/0xb30 [ 50.921580] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.922226] ksys_unshare+0x44d/0x8e0 [ 50.922717] ? __pfx_ksys_unshare+0x10/0x10 [ 50.923296] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.924059] __x64_sys_unshare+0x31/0x40 [ 50.924580] do_syscall_64+0x3f/0x90 [ 50.925084] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.925727] RIP: 0033:0x7efdcf4ee0d7 [ 50.926222] 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 [ 50.928392] RSP: 002b:00007ffd54af8b18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.929332] RAX: ffffffffffffffda RBX: 00007ffd54af9158 RCX: 00007efdcf4ee0d7 [ 50.930214] RDX: 00007efdcf55841f RSI: 00007ffd54af8ab0 RDI: 0000000040000000 [ 50.931108] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd54af88c0 [ 50.932018] R10: 0000000000000000 R11: 0000000000000206 R12: 00007efdcf600bf0 [ 50.932905] R13: 00007ffd54af8bf0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.933809] [ 50.934110] irq event stamp: 10569 [ 50.934537] hardirqs last enabled at (10579): [] __up_console_sem+0x78/0x80 [ 50.935598] hardirqs last disabled at (10590): [] __up_console_sem+0x5d/0x80 [ 50.936667] softirqs last enabled at (10074): [] irq_exit_rcu+0x93/0xc0 [ 50.937693] softirqs last disabled at (10069): [] irq_exit_rcu+0x93/0xc0 [ 50.938722] ---[ end trace 0000000000000000 ]--- [ 50.940152] ------------[ cut here ]------------ [ 50.940792] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.942690] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.943775] Modules linked in: [ 50.944204] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.945416] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.946432] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.947105] 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 [ 50.949295] RSP: 0018:ffff88801f25fbf0 EFLAGS: 00010286 [ 50.949992] RAX: 0000000000000000 RBX: ffff88800db81640 RCX: 0000000000000000 [ 50.950917] RDX: ffff888015970000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.951844] RBP: ffff88800db81654 R08: 0000000000000001 R09: 0000000000000000 [ 50.952803] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.953707] R13: ffffffff84e223a0 R14: ffff88800db81648 R15: ffffffff84daf020 [ 50.954642] FS: 0000555556197400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.955679] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.956480] CR2: 00007f141f5856f4 CR3: 000000001a4fc000 CR4: 0000000000350ef0 [ 50.957358] Call Trace: [ 50.957682] [ 50.958007] nf_ct_net_init+0x224/0x3d0 [ 50.958522] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.959118] ops_init+0xbb/0x6b0 [ 50.959559] setup_net+0x3d9/0x990 [ 50.960056] ? down_read_killable+0x1d7/0x4e0 [ 50.960621] ? __pfx_setup_net+0x10/0x10 [ 50.961168] ? copy_net_ns+0x17c/0x770 [ 50.961665] copy_net_ns+0x321/0x770 [ 50.962178] create_new_namespaces+0x3f6/0xb30 [ 50.962792] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.963399] ksys_unshare+0x44d/0x8e0 [ 50.963948] ? __pfx_ksys_unshare+0x10/0x10 [ 50.964520] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.965306] __x64_sys_unshare+0x31/0x40 [ 50.965882] do_syscall_64+0x3f/0x90 [ 50.966386] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.967103] RIP: 0033:0x7efdcf4ee0d7 [ 50.967581] 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 [ 50.969853] RSP: 002b:00007ffd54af8b18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.970847] RAX: ffffffffffffffda RBX: 00007ffd54af9158 RCX: 00007efdcf4ee0d7 [ 50.971734] RDX: 00007efdcf55841f RSI: 00007ffd54af8ab0 RDI: 0000000040000000 [ 50.972660] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd54af88c0 [ 50.973589] R10: 0000000000000000 R11: 0000000000000206 R12: 00007efdcf600bf0 [ 50.974505] R13: 00007ffd54af8bf0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.975450] [ 50.975787] irq event stamp: 11363 [ 50.976252] hardirqs last enabled at (11373): [] __up_console_sem+0x78/0x80 [ 50.977412] hardirqs last disabled at (11384): [] __up_console_sem+0x5d/0x80 [ 50.978535] softirqs last enabled at (11214): [] irq_exit_rcu+0x93/0xc0 [ 50.979614] softirqs last disabled at (11209): [] irq_exit_rcu+0x93/0xc0 [ 50.980710] ---[ end trace 0000000000000000 ]--- executing program [ 52.518452] Bluetooth: hci0: command 0x0409 tx timeout [ 54.564931] Bluetooth: hci0: command 0x041b tx timeout executing program [ 56.612844] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.660944] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 20:51:02 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801f25f5f0 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 0000555556197400 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=00007f141f5856f4 CR3=000000001a4fc000 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=000000000002c603 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=00007f0451a98780 CR3=000000000c952000 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=2032303a31353a30322036312079614d XMM01=5d3037313335382e30352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d30 XMM07=6e72656b2072656c6c616b7a79732032 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000