Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:48230' (ECDSA) to the list of known hosts. 2023/05/18 02:37:42 fuzzer started 2023/05/18 02:37:42 dialing manager at localhost:44319 2023/05/18 02:37:42 checking machine... 2023/05/18 02:37:42 checking revisions... syzkaller login: [ 38.068847] kmemleak: Automatic memory scanning thread ended 2023/05/18 02:37:43 testing simple program... [ 38.126606] cgroup: Unknown subsys name 'net' [ 38.191939] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.385486] audit: type=1400 audit(1684377476.409:6): avc: denied { execmem } for pid=264 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 52.466739] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.470922] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.472771] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.481445] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.483395] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.484873] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.858038] ------------[ cut here ]------------ [ 52.858850] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.860979] WARNING: CPU: 0 PID: 265 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.862324] Modules linked in: [ 52.862812] CPU: 0 PID: 265 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.867842] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.868868] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.869557] 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 [ 52.871765] RSP: 0018:ffff888016c5fc00 EFLAGS: 00010282 [ 52.872475] RAX: 0000000000000000 RBX: ffff88800ef4ec40 RCX: 0000000000000000 [ 52.873374] RDX: ffff888016953680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.874294] RBP: ffff88800ef4ec54 R08: 0000000000000001 R09: 0000000000000000 [ 52.875184] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.876052] R13: ffffffff84e23fe0 R14: ffff88800ef4ec48 R15: ffffffff84d74dc0 [ 52.876960] FS: 000055555711d400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.877964] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.878723] CR2: 00007f25cde0b6f4 CR3: 000000000951e000 CR4: 0000000000350ef0 [ 52.879627] Call Trace: [ 52.879961] [ 52.880294] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.880917] ipv4_frags_init_net+0x269/0x440 [ 52.881508] ops_init+0xbb/0x6b0 [ 52.881969] setup_net+0x3d9/0x990 [ 52.882485] ? down_read_killable+0x1d7/0x4e0 [ 52.883070] ? __pfx_setup_net+0x10/0x10 [ 52.883614] ? copy_net_ns+0x17c/0x770 [ 52.884127] copy_net_ns+0x321/0x770 [ 52.884646] create_new_namespaces+0x3f6/0xb30 [ 52.885273] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.885890] ksys_unshare+0x44d/0x8e0 [ 52.886434] ? __pfx_ksys_unshare+0x10/0x10 [ 52.886983] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.887720] __x64_sys_unshare+0x31/0x40 [ 52.888278] do_syscall_64+0x3f/0x90 [ 52.888764] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.889449] RIP: 0033:0x7f3e5065d0d7 [ 52.889920] 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 [ 52.892099] RSP: 002b:00007ffc87a87ce8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.893043] RAX: ffffffffffffffda RBX: 00007ffc87a88328 RCX: 00007f3e5065d0d7 [ 52.893930] RDX: 00007f3e506c741f RSI: 00007ffc87a87c80 RDI: 0000000040000000 [ 52.894843] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc87a87a90 [ 52.895731] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f3e5076fbf0 [ 52.896627] R13: 00007ffc87a87dc0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.897540] [ 52.897840] irq event stamp: 8757 [ 52.898305] hardirqs last enabled at (8769): [] __up_console_sem+0x78/0x80 [ 52.899372] hardirqs last disabled at (8780): [] __up_console_sem+0x5d/0x80 [ 52.900442] softirqs last enabled at (8294): [] irq_exit_rcu+0x93/0xc0 [ 52.901481] softirqs last disabled at (8289): [] irq_exit_rcu+0x93/0xc0 [ 52.902546] ---[ end trace 0000000000000000 ]--- [ 52.907472] ------------[ cut here ]------------ [ 52.908065] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.909809] WARNING: CPU: 0 PID: 265 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.910870] Modules linked in: [ 52.911309] CPU: 0 PID: 265 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.912460] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.913469] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.914113] 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 [ 52.916346] RSP: 0018:ffff888016c5fc00 EFLAGS: 00010282 [ 52.916996] RAX: 0000000000000000 RBX: ffff88800dde7e40 RCX: 0000000000000000 [ 52.917893] RDX: ffff888016953680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.918810] RBP: ffff88800dde7e54 R08: 0000000000000001 R09: 0000000000000000 [ 52.919729] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.920626] R13: ffffffff84e23fe0 R14: ffff88800dde7e48 R15: ffffffff84da7d60 [ 52.921547] FS: 000055555711d400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.922568] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.923323] CR2: 00007f25cde0b6f4 CR3: 000000000951e000 CR4: 0000000000350ef0 [ 52.924213] Call Trace: [ 52.924540] [ 52.924849] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.925504] ipv6_frags_init_net+0x206/0x3c0 [ 52.926071] ops_init+0xbb/0x6b0 [ 52.926570] setup_net+0x3d9/0x990 [ 52.927030] ? down_read_killable+0x1d7/0x4e0 [ 52.927629] ? __pfx_setup_net+0x10/0x10 [ 52.928174] ? copy_net_ns+0x17c/0x770 [ 52.928689] copy_net_ns+0x321/0x770 [ 52.929200] create_new_namespaces+0x3f6/0xb30 [ 52.929782] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.930443] ksys_unshare+0x44d/0x8e0 [ 52.930934] ? __pfx_ksys_unshare+0x10/0x10 [ 52.931504] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.932244] __x64_sys_unshare+0x31/0x40 [ 52.932762] do_syscall_64+0x3f/0x90 [ 52.933263] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.933907] RIP: 0033:0x7f3e5065d0d7 [ 52.934406] 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 executing program [ 52.936569] RSP: 002b:00007ffc87a87ce8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.938107] RAX: ffffffffffffffda RBX: 00007ffc87a88328 RCX: 00007f3e5065d0d7 [ 52.939016] RDX: 00007f3e506c741f RSI: 00007ffc87a87c80 RDI: 0000000040000000 [ 52.939916] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc87a87a90 [ 52.940814] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f3e5076fbf0 [ 52.941702] R13: 00007ffc87a87dc0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.942631] [ 52.942931] irq event stamp: 10493 [ 52.943390] hardirqs last enabled at (10505): [] __up_console_sem+0x78/0x80 [ 52.944456] hardirqs last disabled at (10516): [] __up_console_sem+0x5d/0x80 [ 52.945544] softirqs last enabled at (10418): [] irq_exit_rcu+0x93/0xc0 [ 52.946589] softirqs last disabled at (10373): [] irq_exit_rcu+0x93/0xc0 [ 52.947637] ---[ end trace 0000000000000000 ]--- [ 52.948970] ------------[ cut here ]------------ [ 52.949617] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.951552] WARNING: CPU: 0 PID: 265 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.952646] Modules linked in: [ 52.953058] CPU: 0 PID: 265 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.954253] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.955269] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.955921] 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 [ 52.958075] RSP: 0018:ffff888016c5fbf0 EFLAGS: 00010286 [ 52.958767] RAX: 0000000000000000 RBX: ffff88800dde6840 RCX: 0000000000000000 [ 52.959647] RDX: ffff888016953680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.960527] RBP: ffff88800dde6854 R08: 0000000000000001 R09: 0000000000000000 [ 52.961409] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.962298] R13: ffffffff84e23fe0 R14: ffff88800dde6848 R15: ffffffff84db0aa0 [ 52.963186] FS: 000055555711d400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.964214] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.964945] CR2: 00007f25cde0b6f4 CR3: 000000000951e000 CR4: 0000000000350ef0 [ 52.965846] Call Trace: [ 52.966221] [ 52.966526] nf_ct_net_init+0x224/0x3d0 [ 52.967046] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.967653] ops_init+0xbb/0x6b0 [ 52.968105] setup_net+0x3d9/0x990 [ 52.968595] ? down_read_killable+0x1d7/0x4e0 [ 52.969203] ? __pfx_setup_net+0x10/0x10 [ 52.969725] ? copy_net_ns+0x17c/0x770 [ 52.970279] copy_net_ns+0x321/0x770 [ 52.970772] create_new_namespaces+0x3f6/0xb30 [ 52.971405] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.972034] ksys_unshare+0x44d/0x8e0 [ 52.972557] ? __pfx_ksys_unshare+0x10/0x10 [ 52.973109] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.973852] __x64_sys_unshare+0x31/0x40 [ 52.974420] do_syscall_64+0x3f/0x90 [ 52.974894] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.975569] RIP: 0033:0x7f3e5065d0d7 [ 52.976029] 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 [ 52.978212] RSP: 002b:00007ffc87a87ce8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.979127] RAX: ffffffffffffffda RBX: 00007ffc87a88328 RCX: 00007f3e5065d0d7 [ 52.980019] RDX: 00007f3e506c741f RSI: 00007ffc87a87c80 RDI: 0000000040000000 [ 52.980917] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc87a87a90 [ 52.981817] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f3e5076fbf0 [ 52.982733] R13: 00007ffc87a87dc0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.983639] [ 52.983941] irq event stamp: 11275 [ 52.984417] hardirqs last enabled at (11287): [] __up_console_sem+0x78/0x80 [ 52.985478] hardirqs last disabled at (11298): [] __up_console_sem+0x5d/0x80 [ 52.986567] softirqs last enabled at (10774): [] irq_exit_rcu+0x93/0xc0 [ 52.987623] softirqs last disabled at (10757): [] irq_exit_rcu+0x93/0xc0 [ 52.988687] ---[ end trace 0000000000000000 ]--- [ 54.543012] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 56.590211] Bluetooth: hci0: command 0x041b tx timeout [ 58.638202] Bluetooth: hci0: command 0x040f tx timeout executing program [ 60.686221] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 02:37:56 Registers: info registers vcpu 0 RAX=0000000000000063 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888016c5f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000063 R11=0000000000000001 R12=0000000000000063 R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd 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 000055555711d400 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=00007f25cde0b6f4 CR3=000000000951e000 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=000000000002aca5 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=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=00007f9f9d41d0b0 CR3=000000000e11a000 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=aa50c71e7c637fba17457f060baf0b98 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=3e5e5c30f3956221000000000013d148 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=143a7cd909c666b300000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000