syzkaller login: [ 41.827852] sshd (218) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:55975' (ECDSA) to the list of known hosts. 2023/05/16 19:06:07 fuzzer started 2023/05/16 19:06:08 dialing manager at localhost:35573 2023/05/16 19:06:08 checking machine... 2023/05/16 19:06:08 checking revisions... [ 43.976748] kmemleak: Automatic memory scanning thread ended 2023/05/16 19:06:08 testing simple program... [ 44.042062] cgroup: Unknown subsys name 'net' [ 44.121806] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 57.579502] audit: type=1400 audit(1684263982.004:6): 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 [ 58.740250] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.743125] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.745132] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.748858] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.755186] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 58.756581] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 59.170724] ------------[ cut here ]------------ [ 59.171491] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 59.173558] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.174858] Modules linked in: [ 59.175358] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.180355] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.181668] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.182355] 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 [ 59.184850] RSP: 0018:ffff88801f54fc00 EFLAGS: 00010282 [ 59.185553] RAX: 0000000000000000 RBX: ffff88800e7f1040 RCX: 0000000000000000 [ 59.186646] RDX: ffff888019da51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.187556] RBP: ffff88800e7f1054 R08: 0000000000000001 R09: 0000000000000000 [ 59.188529] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 59.189511] R13: ffffffff84e223a0 R14: ffff88800e7f1048 R15: ffffffff84d73340 [ 59.190489] FS: 0000555555d9a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.191625] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.192422] CR2: 00007efcb4dd56f4 CR3: 00000000201b8000 CR4: 0000000000350ee0 [ 59.193417] Call Trace: [ 59.193809] [ 59.194138] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 59.194841] ipv4_frags_init_net+0x269/0x440 [ 59.195462] ops_init+0xbb/0x6b0 [ 59.196009] setup_net+0x3d9/0x990 [ 59.196511] ? down_read_killable+0x1d7/0x4e0 [ 59.197168] ? __pfx_setup_net+0x10/0x10 [ 59.197758] ? copy_net_ns+0x17c/0x770 [ 59.198311] copy_net_ns+0x321/0x770 [ 59.198866] create_new_namespaces+0x3f6/0xb30 [ 59.199519] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.200244] ksys_unshare+0x44d/0x8e0 [ 59.200814] ? __pfx_ksys_unshare+0x10/0x10 [ 59.201413] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.202238] __x64_sys_unshare+0x31/0x40 [ 59.202838] do_syscall_64+0x3f/0x90 [ 59.203362] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.204130] RIP: 0033:0x7fde7049b0d7 [ 59.204684] 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 [ 59.207106] RSP: 002b:00007ffd3193c128 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.208164] RAX: ffffffffffffffda RBX: 00007ffd3193c768 RCX: 00007fde7049b0d7 [ 59.209154] RDX: 00007fde7050541f RSI: 00007ffd3193c0c0 RDI: 0000000040000000 [ 59.210131] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd3193bed0 [ 59.211123] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fde705adbf0 [ 59.212132] R13: 00007ffd3193c200 R14: 0000000000000000 R15: 00000000000000f8 [ 59.213153] [ 59.213483] irq event stamp: 8111 [ 59.213978] hardirqs last enabled at (8123): [] __up_console_sem+0x78/0x80 [ 59.215155] hardirqs last disabled at (8134): [] __up_console_sem+0x5d/0x80 [ 59.216338] softirqs last enabled at (7710): [] irq_exit_rcu+0x93/0xc0 [ 59.217489] softirqs last disabled at (7657): [] irq_exit_rcu+0x93/0xc0 [ 59.218636] ---[ end trace 0000000000000000 ]--- [ 59.224672] ------------[ cut here ]------------ [ 59.225333] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 59.227198] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.228397] Modules linked in: [ 59.228882] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.230169] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.231289] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.232054] 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 [ 59.234485] RSP: 0018:ffff88801f54fc00 EFLAGS: 00010282 [ 59.235236] RAX: 0000000000000000 RBX: ffff888013a54e40 RCX: 0000000000000000 [ 59.236237] RDX: ffff888019da51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.237214] RBP: ffff888013a54e54 R08: 0000000000000001 R09: 0000000000000000 [ 59.238200] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.239185] R13: ffffffff84e223a0 R14: ffff888013a54e48 R15: ffffffff84da62e0 [ 59.240194] FS: 0000555555d9a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.241290] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.242105] CR2: 00007efcb4dd56f4 CR3: 00000000201b8000 CR4: 0000000000350ee0 [ 59.243091] Call Trace: [ 59.243449] [ 59.243811] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 59.244496] ipv6_frags_init_net+0x206/0x3c0 [ 59.245145] ops_init+0xbb/0x6b0 [ 59.245667] setup_net+0x3d9/0x990 [ 59.246167] ? down_read_killable+0x1d7/0x4e0 [ 59.246819] ? __pfx_setup_net+0x10/0x10 [ 59.247375] ? copy_net_ns+0x17c/0x770 [ 59.247965] copy_net_ns+0x321/0x770 [ 59.248492] create_new_namespaces+0x3f6/0xb30 [ 59.249183] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.249897] ksys_unshare+0x44d/0x8e0 [ 59.250437] ? __pfx_ksys_unshare+0x10/0x10 [ 59.251085] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.251924] __x64_sys_unshare+0x31/0x40 [ 59.252503] do_syscall_64+0x3f/0x90 [ 59.253056] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.253795] RIP: 0033:0x7fde7049b0d7 [ 59.254304] 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 [ 59.256704] RSP: 002b:00007ffd3193c128 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.257740] RAX: ffffffffffffffda RBX: 00007ffd3193c768 RCX: 00007fde7049b0d7 [ 59.258684] RDX: 00007fde7050541f RSI: 00007ffd3193c0c0 RDI: 0000000040000000 [ 59.259586] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd3193bed0 [ 59.260528] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fde705adbf0 [ 59.261465] R13: 00007ffd3193c200 R14: 0000000000000000 R15: 00000000000000f8 [ 59.262419] [ 59.262771] irq event stamp: 9831 [ 59.263221] hardirqs last enabled at (9841): [] __up_console_sem+0x78/0x80 [ 59.264387] hardirqs last disabled at (9852): [] __up_console_sem+0x5d/0x80 [ 59.265514] softirqs last enabled at (9322): [] irq_exit_rcu+0x93/0xc0 [ 59.266597] softirqs last disabled at (9299): [] irq_exit_rcu+0x93/0xc0 [ 59.267694] ---[ end trace 0000000000000000 ]--- [ 59.269206] ------------[ cut here ]------------ [ 59.269853] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.271934] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.273078] Modules linked in: [ 59.273510] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.274745] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.275832] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.276536] 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 [ 59.278894] RSP: 0018:ffff88801f54fbf0 EFLAGS: 00010286 [ 59.279636] RAX: 0000000000000000 RBX: ffff888013a54840 RCX: 0000000000000000 [ 59.280548] RDX: ffff888019da51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.281520] RBP: ffff888013a54854 R08: 0000000000000001 R09: 0000000000000000 [ 59.282489] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.283461] R13: ffffffff84e223a0 R14: ffff888013a54848 R15: ffffffff84daf020 [ 59.284487] FS: 0000555555d9a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.285621] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.286409] CR2: 00007efcb4dd56f4 CR3: 00000000201b8000 CR4: 0000000000350ee0 [ 59.287393] Call Trace: [ 59.287785] [ 59.288129] nf_ct_net_init+0x224/0x3d0 [ 59.288730] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.289347] ops_init+0xbb/0x6b0 [ 59.289891] setup_net+0x3d9/0x990 [ 59.290403] ? down_read_killable+0x1d7/0x4e0 [ 59.291061] ? __pfx_setup_net+0x10/0x10 [ 59.291663] ? copy_net_ns+0x17c/0x770 [ 59.292258] copy_net_ns+0x321/0x770 [ 59.292837] create_new_namespaces+0x3f6/0xb30 [ 59.293507] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.294237] ksys_unshare+0x44d/0x8e0 [ 59.294792] ? __pfx_ksys_unshare+0x10/0x10 [ 59.295404] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.296239] __x64_sys_unshare+0x31/0x40 [ 59.296849] do_syscall_64+0x3f/0x90 [ 59.297379] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.298133] RIP: 0033:0x7fde7049b0d7 [ 59.298690] 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 [ 59.301131] RSP: 002b:00007ffd3193c128 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.302191] RAX: ffffffffffffffda RBX: 00007ffd3193c768 RCX: 00007fde7049b0d7 [ 59.303207] RDX: 00007fde7050541f RSI: 00007ffd3193c0c0 RDI: 0000000040000000 [ 59.304236] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd3193bed0 [ 59.305250] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fde705adbf0 [ 59.306250] R13: 00007ffd3193c200 R14: 0000000000000000 R15: 00000000000000f8 [ 59.307305] [ 59.307674] irq event stamp: 10607 [ 59.308177] hardirqs last enabled at (10617): [] __up_console_sem+0x78/0x80 [ 59.309362] hardirqs last disabled at (10628): [] __up_console_sem+0x5d/0x80 [ 59.310548] softirqs last enabled at (10342): [] irq_exit_rcu+0x93/0xc0 [ 59.311736] softirqs last disabled at (10337): [] irq_exit_rcu+0x93/0xc0 [ 59.312930] ---[ end trace 0000000000000000 ]--- [ 60.813384] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 62.860766] Bluetooth: hci0: command 0x041b tx timeout executing program [ 64.908730] Bluetooth: hci0: command 0x040f tx timeout [ 66.956717] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 19:06:17 Registers: info registers vcpu 0 RAX=1ffff1100268fb43 RBX=ffff88801347d9e8 RCX=1ffff110026336f8 RDX=dffffc0000000000 RSI=ffff88801b472be8 RDI=ffff88801347da18 RBP=ffff88801319b790 RSP=ffff888016c07838 R8 =0000000000000001 R9 =0000000000000246 R10=0000000000000003 R11=0000000000000001 R12=ffff88801b472bb0 R13=0000000000000000 R14=ffff88800e439638 R15=ffff88800e4395f0 RIP=ffffffff8184935e 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fb42a099900 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=00007fb429592138 CR3=000000000ee2a000 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=a0beffd73f68f3955a4dfe6e263d4031 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=0013ad65119292df000000000010e108 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=dbf8761dff18883000000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801f54f5f0 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 0000555555d9a400 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=00007efcb4dd56f4 CR3=00000000201b8000 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