syzkaller login: [ 53.363246] sshd (230) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:60926' (ECDSA) to the list of known hosts. 2023/05/17 02:28:44 fuzzer started 2023/05/17 02:28:44 dialing manager at localhost:35573 2023/05/17 02:28:44 checking machine... 2023/05/17 02:28:44 checking revisions... [ 54.611317] kmemleak: Automatic memory scanning thread ended 2023/05/17 02:28:44 testing simple program... [ 54.685513] cgroup: Unknown subsys name 'net' [ 54.760719] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 67.752890] audit: type=1400 audit(1684290537.715:6): avc: denied { execmem } for pid=264 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 68.862283] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 68.864893] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 68.867971] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 68.873587] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 68.876103] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 68.877668] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 69.265417] ------------[ cut here ]------------ [ 69.266287] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 69.268559] WARNING: CPU: 1 PID: 265 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 69.269732] Modules linked in: [ 69.270177] CPU: 1 PID: 265 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 69.275048] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 69.276182] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 69.276945] 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 [ 69.279408] RSP: 0018:ffff88800dbc7c00 EFLAGS: 00010282 [ 69.280176] RAX: 0000000000000000 RBX: ffff88800fa67c40 RCX: 0000000000000000 [ 69.281175] RDX: ffff88800e8cd1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 69.282172] RBP: ffff88800fa67c54 R08: 0000000000000001 R09: 0000000000000000 [ 69.283166] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 69.284174] R13: ffffffff84e223a0 R14: ffff88800fa67c48 R15: ffffffff84d73340 [ 69.285591] FS: 0000555555dd4400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 69.286772] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.287659] CR2: 00007fa05a5446f4 CR3: 000000001fd2e000 CR4: 0000000000350ee0 [ 69.288690] Call Trace: [ 69.289064] [ 69.289405] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 69.290152] ipv4_frags_init_net+0x269/0x440 [ 69.290838] ops_init+0xbb/0x6b0 [ 69.291347] setup_net+0x3d9/0x990 [ 69.291904] ? down_read_killable+0x1d7/0x4e0 [ 69.292596] ? __pfx_setup_net+0x10/0x10 [ 69.293180] ? copy_net_ns+0x17c/0x770 [ 69.293836] copy_net_ns+0x321/0x770 [ 69.294383] create_new_namespaces+0x3f6/0xb30 [ 69.295126] unshare_nsproxy_namespaces+0xc1/0x200 [ 69.295881] ksys_unshare+0x44d/0x8e0 [ 69.296441] ? __pfx_ksys_unshare+0x10/0x10 [ 69.297103] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 69.297963] __x64_sys_unshare+0x31/0x40 [ 69.298608] do_syscall_64+0x3f/0x90 [ 69.299158] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 69.299941] RIP: 0033:0x7f58004600d7 [ 69.300515] 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 [ 69.302985] RSP: 002b:00007ffcdf0866e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 69.304062] RAX: ffffffffffffffda RBX: 00007ffcdf086d28 RCX: 00007f58004600d7 [ 69.305072] RDX: 00007f58004ca41f RSI: 00007ffcdf086680 RDI: 0000000040000000 [ 69.306072] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcdf086490 [ 69.307088] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f5800572bf0 [ 69.308097] R13: 00007ffcdf0867c0 R14: 0000000000000000 R15: 00000000000000f8 [ 69.309129] [ 69.309519] irq event stamp: 7467 [ 69.309996] hardirqs last enabled at (7477): [] __up_console_sem+0x78/0x80 [ 69.311196] hardirqs last disabled at (7488): [] __up_console_sem+0x5d/0x80 [ 69.312408] softirqs last enabled at (7122): [] irq_exit_rcu+0x93/0xc0 [ 69.313601] softirqs last disabled at (7111): [] irq_exit_rcu+0x93/0xc0 [ 69.314765] ---[ end trace 0000000000000000 ]--- [ 69.322399] ------------[ cut here ]------------ [ 69.323252] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 69.325043] WARNING: CPU: 1 PID: 265 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 69.326192] Modules linked in: [ 69.326672] CPU: 1 PID: 265 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 69.327961] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 69.329050] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 69.329779] 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 [ 69.332412] RSP: 0018:ffff88800dbc7c00 EFLAGS: 00010282 [ 69.333347] RAX: 0000000000000000 RBX: ffff888013a5c240 RCX: 0000000000000000 [ 69.334527] RDX: ffff88800e8cd1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 69.335615] RBP: ffff888013a5c254 R08: 0000000000000001 R09: 0000000000000000 [ 69.336592] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 69.337549] R13: ffffffff84e223a0 R14: ffff888013a5c248 R15: ffffffff84da62e0 [ 69.338496] FS: 0000555555dd4400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 69.339577] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.340317] CR2: 00007fa05a5446f4 CR3: 000000001fd2e000 CR4: 0000000000350ee0 [ 69.341262] Call Trace: [ 69.341662] [ 69.341977] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 69.342655] ipv6_frags_init_net+0x206/0x3c0 [ 69.343248] ops_init+0xbb/0x6b0 [ 69.343761] setup_net+0x3d9/0x990 [ 69.344234] ? down_read_killable+0x1d7/0x4e0 [ 69.344881] ? __pfx_setup_net+0x10/0x10 [ 69.345420] ? copy_net_ns+0x17c/0x770 [ 69.345980] copy_net_ns+0x321/0x770 [ 69.346545] create_new_namespaces+0x3f6/0xb30 [ 69.347195] unshare_nsproxy_namespaces+0xc1/0x200 [ 69.347901] ksys_unshare+0x44d/0x8e0 [ 69.348431] ? __pfx_ksys_unshare+0x10/0x10 [ 69.349055] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 69.349865] __x64_sys_unshare+0x31/0x40 [ 69.350410] do_syscall_64+0x3f/0x90 [ 69.350951] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 69.351670] RIP: 0033:0x7f58004600d7 [ 69.352154] 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 [ 69.354427] RSP: 002b:00007ffcdf0866e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 69.355415] RAX: ffffffffffffffda RBX: 00007ffcdf086d28 RCX: 00007f58004600d7 [ 69.356347] RDX: 00007f58004ca41f RSI: 00007ffcdf086680 RDI: 0000000040000000 [ 69.357532] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcdf086490 [ 69.358427] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f5800572bf0 [ 69.359358] R13: 00007ffcdf0867c0 R14: 0000000000000000 R15: 00000000000000f8 [ 69.360317] [ 69.360678] irq event stamp: 9489 [ 69.361112] hardirqs last enabled at (9499): [] __up_console_sem+0x78/0x80 [ 69.362211] hardirqs last disabled at (9510): [] __up_console_sem+0x5d/0x80 [ 69.363316] softirqs last enabled at (8970): [] irq_exit_rcu+0x93/0xc0 [ 69.364422] softirqs last disabled at (8919): [] irq_exit_rcu+0x93/0xc0 [ 69.365508] ---[ end trace 0000000000000000 ]--- [ 69.367075] ------------[ cut here ]------------ [ 69.367770] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 69.369757] WARNING: CPU: 1 PID: 265 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 69.370833] Modules linked in: [ 69.371243] CPU: 1 PID: 265 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 69.372451] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 69.373503] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 69.374148] 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 [ 69.376366] RSP: 0018:ffff88800dbc7bf0 EFLAGS: 00010286 [ 69.377062] RAX: 0000000000000000 RBX: ffff888013a5c840 RCX: 0000000000000000 [ 69.377972] RDX: ffff88800e8cd1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 69.378914] RBP: ffff888013a5c854 R08: 0000000000000001 R09: 0000000000000000 [ 69.379844] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 69.380754] R13: ffffffff84e223a0 R14: ffff888013a5c848 R15: ffffffff84daf020 [ 69.381669] FS: 0000555555dd4400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 69.382679] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.383413] CR2: 00007fa05a5446f4 CR3: 000000001fd2e000 CR4: 0000000000350ee0 [ 69.384388] Call Trace: [ 69.384879] [ 69.385311] nf_ct_net_init+0x224/0x3d0 [ 69.386228] ? __pfx_nf_ct_net_init+0x10/0x10 [ 69.387261] ops_init+0xbb/0x6b0 [ 69.388067] setup_net+0x3d9/0x990 [ 69.388876] ? down_read_killable+0x1d7/0x4e0 [ 69.389878] ? __pfx_setup_net+0x10/0x10 [ 69.390619] ? copy_net_ns+0x17c/0x770 [ 69.391259] copy_net_ns+0x321/0x770 [ 69.392095] create_new_namespaces+0x3f6/0xb30 [ 69.393044] unshare_nsproxy_namespaces+0xc1/0x200 [ 69.393870] ksys_unshare+0x44d/0x8e0 [ 69.394554] ? __pfx_ksys_unshare+0x10/0x10 [ 69.395262] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 69.396204] __x64_sys_unshare+0x31/0x40 [ 69.396904] do_syscall_64+0x3f/0x90 [ 69.397549] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 69.398350] RIP: 0033:0x7f58004600d7 [ 69.399019] 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 [ 69.401745] RSP: 002b:00007ffcdf0866e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 69.402978] RAX: ffffffffffffffda RBX: 00007ffcdf086d28 RCX: 00007f58004600d7 [ 69.404082] RDX: 00007f58004ca41f RSI: 00007ffcdf086680 RDI: 0000000040000000 [ 69.405180] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcdf086490 [ 69.406285] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f5800572bf0 [ 69.407510] R13: 00007ffcdf0867c0 R14: 0000000000000000 R15: 00000000000000f8 [ 69.408650] [ 69.409007] irq event stamp: 10303 [ 69.409592] hardirqs last enabled at (10315): [] __up_console_sem+0x78/0x80 [ 69.410958] hardirqs last disabled at (10326): [] __up_console_sem+0x5d/0x80 [ 69.412305] softirqs last enabled at (9978): [] irq_exit_rcu+0x93/0xc0 [ 69.413826] softirqs last disabled at (9973): [] irq_exit_rcu+0x93/0xc0 [ 69.415124] ---[ end trace 0000000000000000 ]--- executing program [ 70.885275] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 72.932554] Bluetooth: hci0: command 0x041b tx timeout [ 74.980531] Bluetooth: hci0: command 0x040f tx timeout executing program [ 77.028571] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 02:28:48 Registers: info registers vcpu 0 RAX=0000000000021071 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=00007f85a038fd40 CR3=000000000ed32000 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=2039353a38323a32302037312079614d XMM01=5d3935353836322e39362020205b203a XMM02=74656e20746120353632203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120353632203a4449 XMM06=57205d3935353836322e39362020205b XMM07=79732039353a38323a32302037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 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=ffff88800dbc75f0 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 0000555555dd4400 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=00007fa05a5446f4 CR3=000000001fd2e000 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