syzkaller login: [ 44.295434] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:22025' (ECDSA) to the list of known hosts. 2023/05/17 08:42:41 fuzzer started 2023/05/17 08:42:41 dialing manager at localhost:35573 2023/05/17 08:42:41 checking machine... 2023/05/17 08:42:41 checking revisions... [ 45.159111] kmemleak: Automatic memory scanning thread ended 2023/05/17 08:42:41 testing simple program... [ 45.212681] cgroup: Unknown subsys name 'net' [ 45.258087] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 57.354657] audit: type=1400 audit(1684312973.787:6): 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 [ 58.481869] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.484164] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.485033] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.488671] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.490856] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 58.492066] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.779829] ------------[ cut here ]------------ [ 58.780294] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 58.781500] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.782265] Modules linked in: [ 58.782588] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.785765] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.786468] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.786948] 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 [ 58.788445] RSP: 0018:ffff88800fb0fc00 EFLAGS: 00010282 [ 58.788939] RAX: 0000000000000000 RBX: ffff88800c736c40 RCX: 0000000000000000 [ 58.789498] RDX: ffff8880159c1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.790095] RBP: ffff88800c736c54 R08: 0000000000000001 R09: 0000000000000000 [ 58.790707] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 58.791339] R13: ffffffff84e223a0 R14: ffff88800c736c48 R15: ffffffff84d73340 [ 58.791951] FS: 00005555572e8400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.792630] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.793166] CR2: 00007f7ecb3866f4 CR3: 000000001a512000 CR4: 0000000000350ee0 [ 58.793805] Call Trace: [ 58.794033] [ 58.794244] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 58.794718] ipv4_frags_init_net+0x269/0x440 [ 58.795104] ops_init+0xbb/0x6b0 [ 58.795405] setup_net+0x3d9/0x990 [ 58.795739] ? down_read_killable+0x1d7/0x4e0 [ 58.796138] ? __pfx_setup_net+0x10/0x10 [ 58.796497] ? copy_net_ns+0x17c/0x770 [ 58.796895] copy_net_ns+0x321/0x770 [ 58.797233] create_new_namespaces+0x3f6/0xb30 [ 58.797662] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.798089] ksys_unshare+0x44d/0x8e0 [ 58.798431] ? __pfx_ksys_unshare+0x10/0x10 [ 58.798833] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.799346] __x64_sys_unshare+0x31/0x40 [ 58.799729] do_syscall_64+0x3f/0x90 [ 58.800055] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.800508] RIP: 0033:0x7f494cdb90d7 [ 58.800895] 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 [ 58.802399] RSP: 002b:00007ffc8cf2e588 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.803055] RAX: ffffffffffffffda RBX: 00007ffc8cf2ebc8 RCX: 00007f494cdb90d7 [ 58.803660] RDX: 00007f494ce2341f RSI: 00007ffc8cf2e520 RDI: 0000000040000000 [ 58.804264] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc8cf2e330 [ 58.804880] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f494cecbbf0 [ 58.805501] R13: 00007ffc8cf2e660 R14: 0000000000000000 R15: 00000000000000f8 [ 58.806124] [ 58.806326] irq event stamp: 9209 [ 58.806628] hardirqs last enabled at (9221): [] __up_console_sem+0x78/0x80 [ 58.807305] hardirqs last disabled at (9230): [] __up_console_sem+0x5d/0x80 [ 58.808004] softirqs last enabled at (9194): [] irq_exit_rcu+0x93/0xc0 [ 58.808698] softirqs last disabled at (9189): [] irq_exit_rcu+0x93/0xc0 [ 58.809370] ---[ end trace 0000000000000000 ]--- [ 58.813257] ------------[ cut here ]------------ [ 58.813739] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 58.814925] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.816039] Modules linked in: [ 58.816330] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.817145] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.817827] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.818278] 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 [ 58.819845] RSP: 0018:ffff88800fb0fc00 EFLAGS: 00010282 [ 58.820290] RAX: 0000000000000000 RBX: ffff88801454e240 RCX: 0000000000000000 [ 58.820918] RDX: ffff8880159c1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.821479] RBP: ffff88801454e254 R08: 0000000000000001 R09: 0000000000000000 [ 58.822074] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.822647] R13: ffffffff84e223a0 R14: ffff88801454e248 R15: ffffffff84da62e0 [ 58.823218] FS: 00005555572e8400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.823890] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.824370] CR2: 00007f7ecb3866f4 CR3: 000000001a512000 CR4: 0000000000350ee0 [ 58.825081] Call Trace: [ 58.825328] [ 58.825541] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 58.825997] ipv6_frags_init_net+0x206/0x3c0 [ 58.826396] ops_init+0xbb/0x6b0 [ 58.826747] setup_net+0x3d9/0x990 [ 58.827069] ? down_read_killable+0x1d7/0x4e0 [ 58.827455] ? __pfx_setup_net+0x10/0x10 [ 58.827832] ? copy_net_ns+0x17c/0x770 [ 58.828186] copy_net_ns+0x321/0x770 [ 58.828519] create_new_namespaces+0x3f6/0xb30 [ 58.828969] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.829411] ksys_unshare+0x44d/0x8e0 [ 58.829793] ? __pfx_ksys_unshare+0x10/0x10 [ 58.830185] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.830713] __x64_sys_unshare+0x31/0x40 [ 58.831079] do_syscall_64+0x3f/0x90 [ 58.831406] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.831878] RIP: 0033:0x7f494cdb90d7 [ 58.832208] 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 [ 58.833801] RSP: 002b:00007ffc8cf2e588 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.834460] RAX: ffffffffffffffda RBX: 00007ffc8cf2ebc8 RCX: 00007f494cdb90d7 [ 58.835110] RDX: 00007f494ce2341f RSI: 00007ffc8cf2e520 RDI: 0000000040000000 [ 58.835737] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc8cf2e330 [ 58.836351] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f494cecbbf0 [ 58.837021] R13: 00007ffc8cf2e660 R14: 0000000000000000 R15: 00000000000000f8 [ 58.837668] [ 58.837889] irq event stamp: 11187 [ 58.838204] hardirqs last enabled at (11197): [] __up_console_sem+0x78/0x80 [ 58.838970] hardirqs last disabled at (11208): [] __up_console_sem+0x5d/0x80 [ 58.839731] softirqs last enabled at (10714): [] irq_exit_rcu+0x93/0xc0 [ 58.840450] softirqs last disabled at (10509): [] irq_exit_rcu+0x93/0xc0 [ 58.841198] ---[ end trace 0000000000000000 ]--- [ 58.842252] ------------[ cut here ]------------ [ 58.842700] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 58.844054] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.844847] Modules linked in: [ 58.845140] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.845949] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.846679] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.847133] 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 [ 58.848665] RSP: 0018:ffff88800fb0fbf0 EFLAGS: 00010286 [ 58.849120] RAX: 0000000000000000 RBX: ffff888014538c40 RCX: 0000000000000000 [ 58.849740] RDX: ffff8880159c1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.850335] RBP: ffff888014538c54 R08: 0000000000000001 R09: 0000000000000000 [ 58.850961] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.851546] R13: ffffffff84e223a0 R14: ffff888014538c48 R15: ffffffff84daf020 [ 58.852159] FS: 00005555572e8400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.852870] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.853360] CR2: 00007f7ecb3866f4 CR3: 000000001a512000 CR4: 0000000000350ee0 [ 58.853977] Call Trace: [ 58.854208] [ 58.854415] nf_ct_net_init+0x224/0x3d0 [ 58.854798] ? __pfx_nf_ct_net_init+0x10/0x10 [ 58.855186] ops_init+0xbb/0x6b0 [ 58.855483] setup_net+0x3d9/0x990 [ 58.855798] ? down_read_killable+0x1d7/0x4e0 [ 58.856177] ? __pfx_setup_net+0x10/0x10 [ 58.856506] ? copy_net_ns+0x17c/0x770 [ 58.856913] copy_net_ns+0x321/0x770 [ 58.857242] create_new_namespaces+0x3f6/0xb30 [ 58.857655] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.858068] ksys_unshare+0x44d/0x8e0 [ 58.858396] ? __pfx_ksys_unshare+0x10/0x10 [ 58.858783] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.859257] __x64_sys_unshare+0x31/0x40 [ 58.859618] do_syscall_64+0x3f/0x90 [ 58.859932] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.860367] RIP: 0033:0x7f494cdb90d7 [ 58.860729] 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 [ 58.862189] RSP: 002b:00007ffc8cf2e588 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.862853] RAX: ffffffffffffffda RBX: 00007ffc8cf2ebc8 RCX: 00007f494cdb90d7 [ 58.863464] RDX: 00007f494ce2341f RSI: 00007ffc8cf2e520 RDI: 0000000040000000 [ 58.864081] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc8cf2e330 [ 58.864700] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f494cecbbf0 [ 58.865277] R13: 00007ffc8cf2e660 R14: 0000000000000000 R15: 00000000000000f8 [ 58.865895] [ 58.866104] irq event stamp: 11901 [ 58.866405] hardirqs last enabled at (11911): [] __up_console_sem+0x78/0x80 [ 58.867164] hardirqs last disabled at (11922): [] __up_console_sem+0x5d/0x80 [ 58.868075] softirqs last enabled at (10714): [] irq_exit_rcu+0x93/0xc0 [ 58.868866] softirqs last disabled at (11943): [] irq_exit_rcu+0x93/0xc0 [ 58.869539] ---[ end trace 0000000000000000 ]--- executing program [ 60.503265] Bluetooth: hci0: command 0x0409 tx timeout [ 62.550925] Bluetooth: hci0: command 0x041b tx timeout executing program [ 64.598607] Bluetooth: hci0: command 0x040f tx timeout executing program [ 66.646667] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 08:42:52 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000002 RCX=0000000000000000 RDX=0000000000000000 RSI=ffffffff81f1dde5 RDI=0000000000000001 RBP=ffff88800d93e500 RSP=ffff88801682fcc8 R8 =0000000000000001 R9 =0000000000000001 R10=0000000000000001 R11=0000000000000001 R12=ffff88800eb26a80 R13=ffff88800d93e520 R14=0000000000000001 R15=ffff888015a428b0 RIP=ffffffff81f1fbfa RFL=00000216 [----AP-] 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 00007f27549aa700 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=00007f1b6a170ad0 CR3=000000000fe54000 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=2035353a32343a38302037312079614d XMM01=5d3838353238372e38352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d38 XMM07=6e72656b2072656c6c616b7a79732035 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000074 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800fb0f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000074 R11=0000000000000001 R12=0000000000000074 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 00005555572e8400 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=00007f7ecb3866f4 CR3=000000001a512000 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