syzkaller login: [ 43.705429] sshd (224) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:31398' (ECDSA) to the list of known hosts. 2023/05/16 19:31:08 fuzzer started 2023/05/16 19:31:09 dialing manager at localhost:35573 2023/05/16 19:31:09 checking machine... 2023/05/16 19:31:09 checking revisions... [ 44.946889] kmemleak: Automatic memory scanning thread ended 2023/05/16 19:31:09 testing simple program... [ 45.018387] cgroup: Unknown subsys name 'net' [ 45.101300] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 58.043015] audit: type=1400 audit(1684265482.420:6): 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 [ 59.191332] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.194268] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.195525] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.199606] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.202358] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.203667] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.599812] ------------[ cut here ]------------ [ 59.600579] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 59.602578] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.603662] Modules linked in: [ 59.604096] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.607534] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.610035] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.610734] 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 [ 59.612956] RSP: 0018:ffff88801dfffc00 EFLAGS: 00010282 [ 59.613631] RAX: 0000000000000000 RBX: ffff88800e3f0040 RCX: 0000000000000000 [ 59.614551] RDX: ffff88801a19d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.615452] RBP: ffff88800e3f0054 R08: 0000000000000001 R09: 0000000000000000 [ 59.616355] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.617237] R13: ffffffff84e223a0 R14: ffff88800e3f0048 R15: ffffffff84d73340 [ 59.618149] FS: 0000555556fc7400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.619137] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.619890] CR2: 00007ffc4069b000 CR3: 0000000015bf6000 CR4: 0000000000350ee0 [ 59.620777] Call Trace: [ 59.621108] [ 59.621409] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 59.622095] ipv4_frags_init_net+0x269/0x440 [ 59.622653] ops_init+0xbb/0x6b0 [ 59.623135] setup_net+0x3d9/0x990 [ 59.623607] ? down_read_killable+0x1d7/0x4e0 [ 59.624201] ? __pfx_setup_net+0x10/0x10 [ 59.624737] ? copy_net_ns+0x17c/0x770 [ 59.625242] copy_net_ns+0x321/0x770 [ 59.625753] create_new_namespaces+0x3f6/0xb30 [ 59.626357] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.627005] ksys_unshare+0x44d/0x8e0 [ 59.627510] ? __pfx_ksys_unshare+0x10/0x10 [ 59.628094] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.628840] __x64_sys_unshare+0x31/0x40 [ 59.629378] do_syscall_64+0x3f/0x90 [ 59.629904] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.630559] RIP: 0033:0x7fe9fb8c60d7 [ 59.631059] 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 [ 59.633248] RSP: 002b:00007fffad5c5f28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.634211] RAX: ffffffffffffffda RBX: 00007fffad5c6568 RCX: 00007fe9fb8c60d7 [ 59.635105] RDX: 00007fe9fb93041f RSI: 00007fffad5c5ec0 RDI: 0000000040000000 [ 59.636017] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffad5c5cd0 [ 59.636898] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe9fb9d8bf0 [ 59.637790] R13: 00007fffad5c6000 R14: 0000000000000000 R15: 00000000000000f8 [ 59.638739] [ 59.639043] irq event stamp: 9409 [ 59.639479] hardirqs last enabled at (9419): [] __up_console_sem+0x78/0x80 [ 59.640578] hardirqs last disabled at (9430): [] __up_console_sem+0x5d/0x80 [ 59.641700] softirqs last enabled at (9334): [] irq_exit_rcu+0x93/0xc0 [ 59.642795] softirqs last disabled at (9329): [] irq_exit_rcu+0x93/0xc0 [ 59.643861] ---[ end trace 0000000000000000 ]--- [ 59.649046] ------------[ cut here ]------------ [ 59.649645] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 59.651306] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.652434] Modules linked in: [ 59.652879] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.654042] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.655064] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.655739] 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 [ 59.657933] RSP: 0018:ffff88801dfffc00 EFLAGS: 00010282 [ 59.658586] RAX: 0000000000000000 RBX: ffff88800f66e040 RCX: 0000000000000000 [ 59.659476] RDX: ffff88801a19d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.660359] RBP: ffff88800f66e054 R08: 0000000000000001 R09: 0000000000000000 [ 59.661250] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.662151] R13: ffffffff84e223a0 R14: ffff88800f66e048 R15: ffffffff84da62e0 [ 59.663044] FS: 0000555556fc7400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.664026] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.664768] CR2: 00007ffc4069b000 CR3: 0000000015bf6000 CR4: 0000000000350ee0 [ 59.665630] Call Trace: [ 59.666008] [ 59.666316] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 59.666971] ipv6_frags_init_net+0x206/0x3c0 [ 59.667541] ops_init+0xbb/0x6b0 [ 59.668013] setup_net+0x3d9/0x990 [ 59.668494] ? down_read_killable+0x1d7/0x4e0 [ 59.669121] ? __pfx_setup_net+0x10/0x10 [ 59.669645] ? copy_net_ns+0x17c/0x770 [ 59.670204] copy_net_ns+0x321/0x770 [ 59.670732] create_new_namespaces+0x3f6/0xb30 [ 59.671334] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.672007] ksys_unshare+0x44d/0x8e0 [ 59.672520] ? __pfx_ksys_unshare+0x10/0x10 [ 59.673115] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.673887] __x64_sys_unshare+0x31/0x40 [ 59.674434] do_syscall_64+0x3f/0x90 [ 59.674956] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.675614] RIP: 0033:0x7fe9fb8c60d7 [ 59.676122] 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 [ 59.678390] RSP: 002b:00007fffad5c5f28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.679366] RAX: ffffffffffffffda RBX: 00007fffad5c6568 RCX: 00007fe9fb8c60d7 [ 59.680287] RDX: 00007fe9fb93041f RSI: 00007fffad5c5ec0 RDI: 0000000040000000 [ 59.681207] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffad5c5cd0 [ 59.682145] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe9fb9d8bf0 [ 59.683067] R13: 00007fffad5c6000 R14: 0000000000000000 R15: 00000000000000f8 [ 59.684005] [ 59.684313] irq event stamp: 11131 [ 59.684791] hardirqs last enabled at (11143): [] __up_console_sem+0x78/0x80 [ 59.685919] hardirqs last disabled at (11154): [] __up_console_sem+0x5d/0x80 [ 59.687021] softirqs last enabled at (10638): [] irq_exit_rcu+0x93/0xc0 [ 59.688089] softirqs last disabled at (10617): [] irq_exit_rcu+0x93/0xc0 [ 59.689169] ---[ end trace 0000000000000000 ]--- [ 59.690482] ------------[ cut here ]------------ [ 59.691104] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.693077] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.694180] Modules linked in: [ 59.694598] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.695797] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.696852] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.697513] 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 [ 59.699786] RSP: 0018:ffff88801dfffbf0 EFLAGS: 00010286 [ 59.700458] RAX: 0000000000000000 RBX: ffff88800f66e640 RCX: 0000000000000000 [ 59.701378] RDX: ffff88801a19d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.702321] RBP: ffff88800f66e654 R08: 0000000000000001 R09: 0000000000000000 [ 59.703239] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.704162] R13: ffffffff84e223a0 R14: ffff88800f66e648 R15: ffffffff84daf020 [ 59.705077] FS: 0000555556fc7400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.706099] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.706965] CR2: 00007ffc4069b000 CR3: 0000000015bf6000 CR4: 0000000000350ee0 [ 59.707835] Call Trace: [ 59.708161] [ 59.708454] nf_ct_net_init+0x224/0x3d0 [ 59.708996] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.709569] ops_init+0xbb/0x6b0 [ 59.710060] setup_net+0x3d9/0x990 [ 59.710513] ? down_read_killable+0x1d7/0x4e0 [ 59.711095] ? __pfx_setup_net+0x10/0x10 [ 59.711590] ? copy_net_ns+0x17c/0x770 [ 59.712121] copy_net_ns+0x321/0x770 [ 59.712588] create_new_namespaces+0x3f6/0xb30 [ 59.713191] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.713847] ksys_unshare+0x44d/0x8e0 [ 59.714339] ? __pfx_ksys_unshare+0x10/0x10 [ 59.714906] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.715605] __x64_sys_unshare+0x31/0x40 [ 59.716142] do_syscall_64+0x3f/0x90 [ 59.716616] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.717278] RIP: 0033:0x7fe9fb8c60d7 [ 59.717765] 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 [ 59.719935] RSP: 002b:00007fffad5c5f28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.720869] RAX: ffffffffffffffda RBX: 00007fffad5c6568 RCX: 00007fe9fb8c60d7 [ 59.721745] RDX: 00007fe9fb93041f RSI: 00007fffad5c5ec0 RDI: 0000000040000000 [ 59.722595] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffad5c5cd0 [ 59.723466] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe9fb9d8bf0 [ 59.724355] R13: 00007fffad5c6000 R14: 0000000000000000 R15: 00000000000000f8 [ 59.725248] [ 59.725543] irq event stamp: 11883 [ 59.726006] hardirqs last enabled at (11895): [] __up_console_sem+0x78/0x80 [ 59.727054] hardirqs last disabled at (11906): [] __up_console_sem+0x5d/0x80 [ 59.728108] softirqs last enabled at (11436): [] irq_exit_rcu+0x93/0xc0 [ 59.729133] softirqs last disabled at (11431): [] irq_exit_rcu+0x93/0xc0 [ 59.730184] ---[ end trace 0000000000000000 ]--- executing program [ 61.217540] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 63.265466] Bluetooth: hci0: command 0x041b tx timeout [ 65.312747] Bluetooth: hci0: command 0x040f tx timeout executing program [ 67.360748] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 19:31:23 Registers: info registers vcpu 0 RAX=0000000000027dc9 RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f 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=00007f479c037028 CR3=000000000e64a000 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=2033323a31333a39312036312079614d XMM01=5d3236363330362e39352020205b203a XMM02=646f4d205d3236363330362e39352020 XMM03=6b7a79732033323a31333a3931203631 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120393532203a4449 XMM06=57205d3837353230362e39352020205b XMM07=79732033323a31333a39312036312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000005 RBX=00000000000003f9 RCX=0000000000000000 RDX=00000000000003f9 RSI=ffffffff825075f0 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801dfff620 R8 =0000000000000001 R9 =ffffed1003bffeb5 R10=0000000000000003 R11=0000000000000001 R12=000000000000005f R13=ffffffff87f27bc0 R14=ffffffff87f27c10 R15=ffffffff87f27e78 RIP=ffffffff82507645 RFL=00000006 [-----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 0000555556fc7400 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=00007ffc4069b000 CR3=0000000015bf6000 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