syzkaller login: [ 102.217984] sshd (226) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:64488' (ECDSA) to the list of known hosts. 2023/05/16 13:09:23 fuzzer started 2023/05/16 13:09:23 dialing manager at localhost:35573 2023/05/16 13:09:23 checking machine... 2023/05/16 13:09:23 checking revisions... [ 103.545087] kmemleak: Automatic memory scanning thread ended 2023/05/16 13:09:23 testing simple program... [ 103.617397] cgroup: Unknown subsys name 'net' [ 103.712266] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 115.908252] audit: type=1400 audit(1684242576.281:6): 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 [ 117.075942] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 117.077605] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 117.080433] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 117.084198] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 117.085610] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 117.088343] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 117.479870] ------------[ cut here ]------------ [ 117.480724] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 117.482786] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 117.483862] Modules linked in: [ 117.484280] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 117.488533] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 117.489737] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 117.490410] 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 [ 117.492781] RSP: 0018:ffff8880147a7c00 EFLAGS: 00010282 [ 117.493444] RAX: 0000000000000000 RBX: ffff88800e914c40 RCX: 0000000000000000 [ 117.494383] RDX: ffff88800ffc9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 117.495269] RBP: ffff88800e914c54 R08: 0000000000000001 R09: 0000000000000000 [ 117.496160] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 117.497042] R13: ffffffff84e223a0 R14: ffff88800e914c48 R15: ffffffff84d73340 [ 117.497936] FS: 00005555557c2400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 117.498945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 117.499729] CR2: 00007f8e3601c6f4 CR3: 0000000020204000 CR4: 0000000000350ef0 [ 117.500694] Call Trace: [ 117.501049] [ 117.501361] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 117.502008] ipv4_frags_init_net+0x269/0x440 [ 117.502592] ops_init+0xbb/0x6b0 [ 117.503065] setup_net+0x3d9/0x990 [ 117.503523] ? down_read_killable+0x1d7/0x4e0 [ 117.504118] ? __pfx_setup_net+0x10/0x10 [ 117.504623] ? copy_net_ns+0x17c/0x770 [ 117.505156] copy_net_ns+0x321/0x770 [ 117.505629] create_new_namespaces+0x3f6/0xb30 [ 117.506245] unshare_nsproxy_namespaces+0xc1/0x200 [ 117.506891] ksys_unshare+0x44d/0x8e0 [ 117.507384] ? __pfx_ksys_unshare+0x10/0x10 [ 117.507954] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 117.508693] __x64_sys_unshare+0x31/0x40 [ 117.509214] do_syscall_64+0x3f/0x90 [ 117.509711] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 117.510370] RIP: 0033:0x7fa235ce20d7 [ 117.510930] 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 [ 117.513158] RSP: 002b:00007fff1f731ad8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 117.514220] RAX: ffffffffffffffda RBX: 00007fff1f732118 RCX: 00007fa235ce20d7 [ 117.515186] RDX: 00007fa235d4c41f RSI: 00007fff1f731a70 RDI: 0000000040000000 [ 117.516137] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff1f731880 [ 117.517095] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fa235df4bf0 [ 117.518013] R13: 00007fff1f731bb0 R14: 0000000000000000 R15: 00000000000000f8 [ 117.518985] [ 117.519290] irq event stamp: 7819 [ 117.519755] hardirqs last enabled at (7831): [] __up_console_sem+0x78/0x80 [ 117.520840] hardirqs last disabled at (7842): [] __up_console_sem+0x5d/0x80 [ 117.521839] softirqs last enabled at (7420): [] irq_exit_rcu+0x93/0xc0 [ 117.522828] softirqs last disabled at (7405): [] irq_exit_rcu+0x93/0xc0 [ 117.523798] ---[ end trace 0000000000000000 ]--- [ 117.529528] ------------[ cut here ]------------ [ 117.530122] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 117.531737] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 117.532739] Modules linked in: [ 117.533126] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 117.534200] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 117.535151] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 117.535786] 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 [ 117.537850] RSP: 0018:ffff8880147a7c00 EFLAGS: 00010282 [ 117.538514] RAX: 0000000000000000 RBX: ffff88800b3f4c40 RCX: 0000000000000000 [ 117.539401] RDX: ffff88800ffc9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 117.540229] RBP: ffff88800b3f4c54 R08: 0000000000000001 R09: 0000000000000000 [ 117.541053] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 117.541879] R13: ffffffff84e223a0 R14: ffff88800b3f4c48 R15: ffffffff84da62e0 [ 117.542721] FS: 00005555557c2400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 117.543621] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 117.544318] CR2: 00007f8e3601c6f4 CR3: 0000000020204000 CR4: 0000000000350ef0 [ 117.545223] Call Trace: [ 117.545552] [ 117.545881] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 117.546504] ipv6_frags_init_net+0x206/0x3c0 [ 117.547088] ops_init+0xbb/0x6b0 [ 117.547538] setup_net+0x3d9/0x990 [ 117.548020] ? down_read_killable+0x1d7/0x4e0 [ 117.548595] ? __pfx_setup_net+0x10/0x10 [ 117.549129] ? copy_net_ns+0x17c/0x770 [ 117.549638] copy_net_ns+0x321/0x770 [ 117.550150] create_new_namespaces+0x3f6/0xb30 [ 117.550810] unshare_nsproxy_namespaces+0xc1/0x200 [ 117.551425] ksys_unshare+0x44d/0x8e0 [ 117.551946] ? __pfx_ksys_unshare+0x10/0x10 [ 117.552497] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 117.553236] __x64_sys_unshare+0x31/0x40 [ 117.553783] do_syscall_64+0x3f/0x90 [ 117.554260] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 117.554950] RIP: 0033:0x7fa235ce20d7 [ 117.555417] 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 [ 117.557831] RSP: 002b:00007fff1f731ad8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 117.559029] RAX: ffffffffffffffda RBX: 00007fff1f732118 RCX: 00007fa235ce20d7 [ 117.560182] RDX: 00007fa235d4c41f RSI: 00007fff1f731a70 RDI: 0000000040000000 [ 117.561289] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff1f731880 [ 117.562409] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fa235df4bf0 [ 117.563531] R13: 00007fff1f731bb0 R14: 0000000000000000 R15: 00000000000000f8 [ 117.564690] [ 117.565070] irq event stamp: 9507 [ 117.565605] hardirqs last enabled at (9517): [] __up_console_sem+0x78/0x80 [ 117.566983] hardirqs last disabled at (9530): [] __up_console_sem+0x5d/0x80 [ 117.568281] softirqs last enabled at (9442): [] irq_exit_rcu+0x93/0xc0 [ 117.569556] softirqs last disabled at (9437): [] irq_exit_rcu+0x93/0xc0 [ 117.570834] ---[ end trace 0000000000000000 ]--- [ 117.572558] ------------[ cut here ]------------ [ 117.573234] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 117.575164] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 117.576239] Modules linked in: [ 117.576674] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 117.578037] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 117.579327] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 117.580158] 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 [ 117.582866] RSP: 0018:ffff8880147a7bf0 EFLAGS: 00010286 [ 117.583706] RAX: 0000000000000000 RBX: ffff88800b3f5a40 RCX: 0000000000000000 [ 117.584815] RDX: ffff88800ffc9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 117.585917] RBP: ffff88800b3f5a54 R08: 0000000000000001 R09: 0000000000000000 [ 117.587052] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 117.588163] R13: ffffffff84e223a0 R14: ffff88800b3f5a48 R15: ffffffff84daf020 [ 117.589286] FS: 00005555557c2400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 117.590530] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 117.591447] CR2: 00007f8e3601c6f4 CR3: 0000000020204000 CR4: 0000000000350ef0 [ 117.592548] Call Trace: [ 117.592992] [ 117.593365] nf_ct_net_init+0x224/0x3d0 [ 117.594047] ? __pfx_nf_ct_net_init+0x10/0x10 [ 117.594820] ops_init+0xbb/0x6b0 [ 117.595362] setup_net+0x3d9/0x990 [ 117.595955] ? down_read_killable+0x1d7/0x4e0 [ 117.596686] ? __pfx_setup_net+0x10/0x10 [ 117.597316] ? copy_net_ns+0x17c/0x770 [ 117.597981] copy_net_ns+0x321/0x770 [ 117.598598] create_new_namespaces+0x3f6/0xb30 [ 117.599346] unshare_nsproxy_namespaces+0xc1/0x200 [ 117.600144] ksys_unshare+0x44d/0x8e0 [ 117.600803] ? __pfx_ksys_unshare+0x10/0x10 [ 117.601481] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 117.602380] __x64_sys_unshare+0x31/0x40 [ 117.603024] do_syscall_64+0x3f/0x90 [ 117.603514] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 117.604202] RIP: 0033:0x7fa235ce20d7 [ 117.604693] 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 [ 117.606949] RSP: 002b:00007fff1f731ad8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 117.607910] RAX: ffffffffffffffda RBX: 00007fff1f732118 RCX: 00007fa235ce20d7 [ 117.608792] RDX: 00007fa235d4c41f RSI: 00007fff1f731a70 RDI: 0000000040000000 [ 117.609692] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff1f731880 [ 117.610573] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fa235df4bf0 [ 117.611464] R13: 00007fff1f731bb0 R14: 0000000000000000 R15: 00000000000000f8 [ 117.612406] [ 117.612736] irq event stamp: 10309 [ 117.613173] hardirqs last enabled at (10319): [] __up_console_sem+0x78/0x80 [ 117.614256] hardirqs last disabled at (10330): [] __up_console_sem+0x5d/0x80 [ 117.615357] softirqs last enabled at (10136): [] irq_exit_rcu+0x93/0xc0 [ 117.616415] softirqs last disabled at (10131): [] irq_exit_rcu+0x93/0xc0 [ 117.617459] ---[ end trace 0000000000000000 ]--- executing program [ 119.160320] Bluetooth: hci0: command 0x0409 tx timeout [ 121.207889] Bluetooth: hci0: command 0x041b tx timeout executing program [ 123.255778] Bluetooth: hci0: command 0x040f tx timeout executing program [ 125.303741] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 13:08:30 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880147a75f0 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 00005555557c2400 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=00007f8e3601c6f4 CR3=0000000020204000 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=0000000000000000 RBX=ffff888008d95bb0 RCX=0000000000000001 RDX=0000000000000000 RSI=ffff88806cf396d8 RDI=ffff888008d95bb0 RBP=ffff88806cf396d8 RSP=ffff88806cf09bb0 R8 =00000000ffffffff R9 =ffffed100d9e137c R10=0000000000000003 R11=0000000000000001 R12=ffff888008d951c0 R13=ffff888008d95bb0 R14=00000000ffffffff R15=ffff888008d95bb0 RIP=ffffffff844c40c4 RFL=00000046 [---Z-P-] 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 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=00007f06550dcb80 CR3=000000001596c000 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=2037333a39303a33312036312079614d XMM01=5d3236383338342e37313120205b203a XMM02=646f4d205d3236383338342e37313120 XMM03=6b7a79732037333a39303a3331203631 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120303632203a4449 XMM06=57205d3638373238342e37313120205b XMM07=79732037333a39303a33312036312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000