syzkaller login: [ 31.471406] sshd (210) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:26398' (ECDSA) to the list of known hosts. 2023/05/17 06:25:34 fuzzer started 2023/05/17 06:25:34 dialing manager at localhost:35573 2023/05/17 06:25:34 checking machine... 2023/05/17 06:25:34 checking revisions... [ 36.315346] kmemleak: Automatic memory scanning thread ended 2023/05/17 06:25:35 testing simple program... [ 36.383032] cgroup: Unknown subsys name 'net' [ 36.476189] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.389699] audit: type=1400 audit(1684304748.088:6): avc: denied { execmem } for pid=257 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 50.502377] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.504355] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.508092] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.511540] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.513588] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.515525] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.904627] ------------[ cut here ]------------ [ 50.905202] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.906778] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.907828] Modules linked in: [ 50.908202] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.913568] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.914330] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.914931] 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 [ 50.916714] RSP: 0018:ffff88801f32fc00 EFLAGS: 00010282 [ 50.917223] RAX: 0000000000000000 RBX: ffff88800f759440 RCX: 0000000000000000 [ 50.918001] RDX: ffff88801a4d9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.918767] RBP: ffff88800f759454 R08: 0000000000000001 R09: 0000000000000000 [ 50.919434] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.920177] R13: ffffffff84e223a0 R14: ffff88800f759448 R15: ffffffff84d73340 [ 50.920885] FS: 0000555556b38400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.921664] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.922216] CR2: 00007f837f1bf6f4 CR3: 000000000c504000 CR4: 0000000000350ee0 [ 50.922925] Call Trace: [ 50.923182] [ 50.923414] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.923932] ipv4_frags_init_net+0x269/0x440 [ 50.924354] ops_init+0xbb/0x6b0 [ 50.924713] setup_net+0x3d9/0x990 [ 50.925052] ? down_read_killable+0x1d7/0x4e0 [ 50.925514] ? __pfx_setup_net+0x10/0x10 [ 50.925891] ? copy_net_ns+0x17c/0x770 [ 50.926272] copy_net_ns+0x321/0x770 [ 50.926659] create_new_namespaces+0x3f6/0xb30 [ 50.927097] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.927580] ksys_unshare+0x44d/0x8e0 [ 50.927958] ? __pfx_ksys_unshare+0x10/0x10 [ 50.928366] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.928926] __x64_sys_unshare+0x31/0x40 [ 50.929318] do_syscall_64+0x3f/0x90 [ 50.929693] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.930161] RIP: 0033:0x7f14c8efa0d7 [ 50.930546] 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 [ 50.932170] RSP: 002b:00007ffe2b6cc038 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.932892] RAX: ffffffffffffffda RBX: 00007ffe2b6cc678 RCX: 00007f14c8efa0d7 [ 50.933553] RDX: 00007f14c8f6441f RSI: 00007ffe2b6cbfd0 RDI: 0000000040000000 [ 50.934190] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe2b6cbde0 [ 50.934850] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f14c900cbf0 [ 50.935506] R13: 00007ffe2b6cc110 R14: 0000000000000000 R15: 00000000000000f8 [ 50.936165] [ 50.936386] irq event stamp: 9265 [ 50.936731] hardirqs last enabled at (9277): [] __up_console_sem+0x78/0x80 [ 50.937525] hardirqs last disabled at (9288): [] __up_console_sem+0x5d/0x80 [ 50.938337] softirqs last enabled at (9176): [] irq_exit_rcu+0x93/0xc0 [ 50.939227] softirqs last disabled at (9171): [] irq_exit_rcu+0x93/0xc0 [ 50.940138] ---[ end trace 0000000000000000 ]--- [ 50.945303] ------------[ cut here ]------------ [ 50.945887] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.947249] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.948038] Modules linked in: [ 50.948329] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.949169] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.949938] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.950361] 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 [ 50.951815] RSP: 0018:ffff88801f32fc00 EFLAGS: 00010282 [ 50.952305] RAX: 0000000000000000 RBX: ffff88800ecfd840 RCX: 0000000000000000 [ 50.952947] RDX: ffff88801a4d9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.953592] RBP: ffff88800ecfd854 R08: 0000000000000001 R09: 0000000000000000 [ 50.954211] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.954854] R13: ffffffff84e223a0 R14: ffff88800ecfd848 R15: ffffffff84da62e0 [ 50.955490] FS: 0000555556b38400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.956212] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.956757] CR2: 00007f837f1bf6f4 CR3: 000000000c504000 CR4: 0000000000350ee0 [ 50.957394] Call Trace: [ 50.957650] [ 50.957866] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.958327] ipv6_frags_init_net+0x206/0x3c0 [ 50.958761] ops_init+0xbb/0x6b0 [ 50.959084] setup_net+0x3d9/0x990 [ 50.959408] ? down_read_killable+0x1d7/0x4e0 [ 50.959857] ? __pfx_setup_net+0x10/0x10 [ 50.960223] ? copy_net_ns+0x17c/0x770 [ 50.960610] copy_net_ns+0x321/0x770 [ 50.960954] create_new_namespaces+0x3f6/0xb30 [ 50.961379] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.961852] ksys_unshare+0x44d/0x8e0 [ 50.962212] ? __pfx_ksys_unshare+0x10/0x10 [ 50.962629] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.963164] __x64_sys_unshare+0x31/0x40 [ 50.963558] do_syscall_64+0x3f/0x90 [ 50.963923] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.964388] RIP: 0033:0x7f14c8efa0d7 [ 50.964744] 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 [ 50.966340] RSP: 002b:00007ffe2b6cc038 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.967033] RAX: ffffffffffffffda RBX: 00007ffe2b6cc678 RCX: 00007f14c8efa0d7 [ 50.967672] RDX: 00007f14c8f6441f RSI: 00007ffe2b6cbfd0 RDI: 0000000040000000 [ 50.968304] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe2b6cbde0 [ 50.968956] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f14c900cbf0 [ 50.969595] R13: 00007ffe2b6cc110 R14: 0000000000000000 R15: 00000000000000f8 [ 50.970237] [ 50.970475] irq event stamp: 11515 [ 50.970786] hardirqs last enabled at (11525): [] __up_console_sem+0x78/0x80 [ 50.971561] hardirqs last disabled at (11536): [] __up_console_sem+0x5d/0x80 [ 50.972327] softirqs last enabled at (11014): [] irq_exit_rcu+0x93/0xc0 [ 50.973074] softirqs last disabled at (10985): [] irq_exit_rcu+0x93/0xc0 [ 50.973818] ---[ end trace 0000000000000000 ]--- [ 50.974841] ------------[ cut here ]------------ [ 50.975276] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.976731] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.977500] Modules linked in: [ 50.977782] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.978642] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.979367] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.979870] 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 [ 50.981477] RSP: 0018:ffff88801f32fbf0 EFLAGS: 00010286 [ 50.981932] RAX: 0000000000000000 RBX: ffff88800ecfde40 RCX: 0000000000000000 [ 50.982576] RDX: ffff88801a4d9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.983205] RBP: ffff88800ecfde54 R08: 0000000000000001 R09: 0000000000000000 [ 50.983869] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.984517] R13: ffffffff84e223a0 R14: ffff88800ecfde48 R15: ffffffff84daf020 [ 50.985131] FS: 0000555556b38400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.985854] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.986367] CR2: 00007f837f1bf6f4 CR3: 000000000c504000 CR4: 0000000000350ee0 [ 50.987021] Call Trace: [ 50.987267] [ 50.987512] nf_ct_net_init+0x224/0x3d0 [ 50.987895] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.988298] ops_init+0xbb/0x6b0 [ 50.988638] setup_net+0x3d9/0x990 [ 50.988956] ? down_read_killable+0x1d7/0x4e0 [ 50.989351] ? __pfx_setup_net+0x10/0x10 [ 50.989734] ? copy_net_ns+0x17c/0x770 [ 50.990099] copy_net_ns+0x321/0x770 [ 50.990476] create_new_namespaces+0x3f6/0xb30 [ 50.990894] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.991344] ksys_unshare+0x44d/0x8e0 [ 50.991747] ? __pfx_ksys_unshare+0x10/0x10 [ 50.992128] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.992654] __x64_sys_unshare+0x31/0x40 [ 50.993028] do_syscall_64+0x3f/0x90 [ 50.993381] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.993859] RIP: 0033:0x7f14c8efa0d7 [ 50.994188] 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 [ 50.995763] RSP: 002b:00007ffe2b6cc038 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.996417] RAX: ffffffffffffffda RBX: 00007ffe2b6cc678 RCX: 00007f14c8efa0d7 [ 50.997048] RDX: 00007f14c8f6441f RSI: 00007ffe2b6cbfd0 RDI: 0000000040000000 [ 50.997694] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe2b6cbde0 [ 50.998305] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f14c900cbf0 [ 50.998933] R13: 00007ffe2b6cc110 R14: 0000000000000000 R15: 00000000000000f8 [ 50.999592] [ 50.999821] irq event stamp: 12285 [ 51.000130] hardirqs last enabled at (12295): [] __up_console_sem+0x78/0x80 [ 51.000901] hardirqs last disabled at (12306): [] __up_console_sem+0x5d/0x80 [ 51.001673] softirqs last enabled at (12196): [] irq_exit_rcu+0x93/0xc0 [ 51.002413] softirqs last disabled at (12189): [] irq_exit_rcu+0x93/0xc0 [ 51.003145] ---[ end trace 0000000000000000 ]--- executing program [ 52.581138] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 54.628519] Bluetooth: hci0: command 0x041b tx timeout [ 56.676524] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.724550] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 06:25:49 Registers: info registers vcpu 0 RAX=0000000000000046 RBX=ffffffff87b22080 RCX=1ffffffff0ba6b6e RDX=0000000000000004 RSI=0000000000000008 RDI=ffffffff85d34a10 RBP=ffffffff844e7b1c RSP=ffff88801634f908 R8 =0000000000000000 R9 =0000000000000001 R10=ffffffff85d34a17 R11=0000000000000001 R12=0000000000000283 R13=ffffffff856d7ba0 R14=ffff88800c34f3c0 R15=0000000000000000 RIP=ffffffff812d0ac6 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 00007fc6abfff700 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=00007f02d8765430 CR3=000000000e150000 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=2039343a35323a36302037312079614d XMM01=5d3230323830392e30352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d32 XMM07=6e72656b2072656c6c616b7a79732039 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000032 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801f32f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000032 R11=0000000000000001 R12=0000000000000032 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 0000555556b38400 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=00007f837f1bf6f4 CR3=000000000c504000 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=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