syzkaller login: [ 36.925757] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:62480' (ECDSA) to the list of known hosts. 2023/05/18 00:00:51 fuzzer started 2023/05/18 00:00:51 dialing manager at localhost:44319 2023/05/18 00:00:51 checking machine... 2023/05/18 00:00:51 checking revisions... [ 38.193240] kmemleak: Automatic memory scanning thread ended 2023/05/18 00:00:51 testing simple program... [ 38.260439] cgroup: Unknown subsys name 'net' [ 38.345355] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.563019] audit: type=1400 audit(1684368064.351:6): 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 [ 51.727789] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.729744] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.732315] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.735759] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.737981] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.739638] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.157600] ------------[ cut here ]------------ [ 52.158266] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.160121] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.161347] Modules linked in: [ 52.161812] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.166845] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.168021] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.168754] 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 [ 52.171241] RSP: 0018:ffff8880159cfc00 EFLAGS: 00010282 [ 52.172021] RAX: 0000000000000000 RBX: ffff88800d91c840 RCX: 0000000000000000 [ 52.173053] RDX: ffff8880158c51c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.174120] RBP: ffff88800d91c854 R08: 0000000000000001 R09: 0000000000000000 [ 52.175162] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.176201] R13: ffffffff84e23fe0 R14: ffff88800d91c848 R15: ffffffff84d74dc0 [ 52.177244] FS: 0000555555c57400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.178412] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.179266] CR2: 00007fd3454286f4 CR3: 000000001810e000 CR4: 0000000000350ee0 [ 52.180302] Call Trace: [ 52.180693] [ 52.181083] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.181817] ipv4_frags_init_net+0x269/0x440 [ 52.182514] ops_init+0xbb/0x6b0 [ 52.183077] setup_net+0x3d9/0x990 [ 52.183607] ? down_read_killable+0x1d7/0x4e0 [ 52.184307] ? __pfx_setup_net+0x10/0x10 [ 52.184934] ? copy_net_ns+0x17c/0x770 [ 52.185536] copy_net_ns+0x321/0x770 [ 52.186129] create_new_namespaces+0x3f6/0xb30 [ 52.186796] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.187532] ksys_unshare+0x44d/0x8e0 [ 52.188136] ? __pfx_ksys_unshare+0x10/0x10 [ 52.188756] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.189619] __x64_sys_unshare+0x31/0x40 [ 52.190250] do_syscall_64+0x3f/0x90 [ 52.190797] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.191574] RIP: 0033:0x7fde744af0d7 [ 52.192142] 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 [ 52.194642] RSP: 002b:00007fff1ec4aff8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.195783] RAX: ffffffffffffffda RBX: 00007fff1ec4b638 RCX: 00007fde744af0d7 [ 52.196785] RDX: 00007fde7451941f RSI: 00007fff1ec4af90 RDI: 0000000040000000 [ 52.197744] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff1ec4ada0 [ 52.198690] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fde745c1bf0 [ 52.199634] R13: 00007fff1ec4b0d0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.200598] [ 52.200951] irq event stamp: 8821 [ 52.201408] hardirqs last enabled at (8831): [] __up_console_sem+0x78/0x80 [ 52.202523] hardirqs last disabled at (8842): [] __up_console_sem+0x5d/0x80 [ 52.203636] softirqs last enabled at (8744): [] irq_exit_rcu+0x93/0xc0 [ 52.204733] softirqs last disabled at (8735): [] irq_exit_rcu+0x93/0xc0 [ 52.205896] ---[ end trace 0000000000000000 ]--- [ 52.213328] ------------[ cut here ]------------ [ 52.214033] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.215790] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.216930] Modules linked in: [ 52.217371] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.218601] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.219559] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.220214] 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 [ 52.222301] RSP: 0018:ffff8880159cfc00 EFLAGS: 00010282 [ 52.223039] RAX: 0000000000000000 RBX: ffff8880100fce40 RCX: 0000000000000000 [ 52.224010] RDX: ffff8880158c51c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.224997] RBP: ffff8880100fce54 R08: 0000000000000001 R09: 0000000000000000 [ 52.225993] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.226966] R13: ffffffff84e23fe0 R14: ffff8880100fce48 R15: ffffffff84da7d60 [ 52.227927] FS: 0000555555c57400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.229025] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.229812] CR2: 00007fd3454286f4 CR3: 000000001810e000 CR4: 0000000000350ee0 [ 52.230830] Call Trace: [ 52.231365] [ 52.231801] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.232815] ipv6_frags_init_net+0x206/0x3c0 [ 52.233756] ops_init+0xbb/0x6b0 [ 52.234540] setup_net+0x3d9/0x990 [ 52.235306] ? down_read_killable+0x1d7/0x4e0 [ 52.236235] ? __pfx_setup_net+0x10/0x10 [ 52.237081] ? copy_net_ns+0x17c/0x770 [ 52.237947] copy_net_ns+0x321/0x770 [ 52.238695] create_new_namespaces+0x3f6/0xb30 [ 52.239666] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.240674] ksys_unshare+0x44d/0x8e0 [ 52.241511] ? __pfx_ksys_unshare+0x10/0x10 [ 52.242423] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.243585] __x64_sys_unshare+0x31/0x40 [ 52.244441] do_syscall_64+0x3f/0x90 [ 52.245243] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.246295] RIP: 0033:0x7fde744af0d7 [ 52.247070] 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 [ 52.250469] RSP: 002b:00007fff1ec4aff8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.252010] RAX: ffffffffffffffda RBX: 00007fff1ec4b638 RCX: 00007fde744af0d7 [ 52.253420] RDX: 00007fde7451941f RSI: 00007fff1ec4af90 RDI: 0000000040000000 [ 52.254810] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff1ec4ada0 [ 52.256179] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fde745c1bf0 [ 52.257554] R13: 00007fff1ec4b0d0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.258561] [ 52.258929] irq event stamp: 10889 [ 52.259405] hardirqs last enabled at (10899): [] __up_console_sem+0x78/0x80 [ 52.260561] hardirqs last disabled at (10910): [] __up_console_sem+0x5d/0x80 [ 52.261759] softirqs last enabled at (10616): [] irq_exit_rcu+0x93/0xc0 [ 52.262911] softirqs last disabled at (10611): [] irq_exit_rcu+0x93/0xc0 [ 52.264045] ---[ end trace 0000000000000000 ]--- [ 52.265639] ------------[ cut here ]------------ [ 52.266478] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.268533] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.269689] Modules linked in: [ 52.270165] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.271436] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.272529] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.273267] 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 [ 52.275645] RSP: 0018:ffff8880159cfbf0 EFLAGS: 00010286 [ 52.276387] RAX: 0000000000000000 RBX: ffff8880100fc640 RCX: 0000000000000000 [ 52.277378] RDX: ffff8880158c51c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.278344] RBP: ffff8880100fc654 R08: 0000000000000001 R09: 0000000000000000 [ 52.279310] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.280287] R13: ffffffff84e23fe0 R14: ffff8880100fc648 R15: ffffffff84db0aa0 [ 52.281272] FS: 0000555555c57400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.282370] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.283184] CR2: 00007fd3454286f4 CR3: 000000001810e000 CR4: 0000000000350ee0 [ 52.284155] Call Trace: [ 52.284509] [ 52.284832] nf_ct_net_init+0x224/0x3d0 [ 52.285453] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.286121] ops_init+0xbb/0x6b0 [ 52.286596] setup_net+0x3d9/0x990 [ 52.287136] ? down_read_killable+0x1d7/0x4e0 [ 52.287746] ? __pfx_setup_net+0x10/0x10 [ 52.288329] ? copy_net_ns+0x17c/0x770 [ 52.288927] copy_net_ns+0x321/0x770 [ 52.289488] create_new_namespaces+0x3f6/0xb30 [ 52.290169] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.290822] ksys_unshare+0x44d/0x8e0 [ 52.291383] ? __pfx_ksys_unshare+0x10/0x10 [ 52.292004] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.292774] __x64_sys_unshare+0x31/0x40 [ 52.293375] do_syscall_64+0x3f/0x90 [ 52.293922] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.294616] RIP: 0033:0x7fde744af0d7 [ 52.295162] 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 [ 52.297534] RSP: 002b:00007fff1ec4aff8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.298555] RAX: ffffffffffffffda RBX: 00007fff1ec4b638 RCX: 00007fde744af0d7 [ 52.299498] RDX: 00007fde7451941f RSI: 00007fff1ec4af90 RDI: 0000000040000000 [ 52.300454] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff1ec4ada0 [ 52.301406] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fde745c1bf0 [ 52.302368] R13: 00007fff1ec4b0d0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.303347] [ 52.303672] irq event stamp: 11713 [ 52.304178] hardirqs last enabled at (11725): [] __up_console_sem+0x78/0x80 [ 52.305347] hardirqs last disabled at (11736): [] __up_console_sem+0x5d/0x80 [ 52.306503] softirqs last enabled at (11620): [] irq_exit_rcu+0x93/0xc0 [ 52.307623] softirqs last disabled at (11615): [] irq_exit_rcu+0x93/0xc0 [ 52.308729] ---[ end trace 0000000000000000 ]--- executing program [ 53.811590] Bluetooth: hci0: command 0x0409 tx timeout [ 55.858971] Bluetooth: hci0: command 0x041b tx timeout executing program [ 57.906955] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.954958] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 00:01:03 Registers: info registers vcpu 0 RAX=0000000000031553 RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 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 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=00007fb3d63d2010 CR3=000000000ebe6000 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=55c0c1add21ff2bdcc482ba8d2bf6ef8 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=c139946ceec784b7000000000013bf68 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=fd839e4a140cfb1000000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000002e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880159cf5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002e R11=0000000000000001 R12=000000000000002e 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 0000555555c57400 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=00007fd3454286f4 CR3=000000001810e000 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