syzkaller login: [ 39.465240] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:60993' (ECDSA) to the list of known hosts. 2023/05/18 07:08:11 fuzzer started 2023/05/18 07:08:11 dialing manager at localhost:44319 2023/05/18 07:08:11 checking machine... 2023/05/18 07:08:11 checking revisions... [ 40.651659] kmemleak: Automatic memory scanning thread ended 2023/05/18 07:08:11 testing simple program... [ 40.726805] cgroup: Unknown subsys name 'net' [ 40.828262] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 54.094275] audit: type=1400 audit(1684393704.958:6): avc: denied { execmem } for pid=257 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 55.198267] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 55.201224] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 55.202621] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 55.205800] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 55.207789] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 55.209404] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 55.638263] ------------[ cut here ]------------ [ 55.638995] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 55.640744] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.641898] Modules linked in: [ 55.642358] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 55.647305] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.648377] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.649093] 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 [ 55.651433] RSP: 0018:ffff888016eb7c00 EFLAGS: 00010282 [ 55.652168] RAX: 0000000000000000 RBX: ffff88800f055c40 RCX: 0000000000000000 [ 55.653104] RDX: ffff888016700000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 55.654080] RBP: ffff88800f055c54 R08: 0000000000000001 R09: 0000000000000000 [ 55.655024] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 55.656017] R13: ffffffff84e23fe0 R14: ffff88800f055c48 R15: ffffffff84d74dc0 [ 55.657001] FS: 00005555556f7400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.658101] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.658936] CR2: 00007fed1bf526f4 CR3: 0000000010108000 CR4: 0000000000350ef0 [ 55.659899] Call Trace: [ 55.660255] [ 55.660570] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 55.661252] ipv4_frags_init_net+0x269/0x440 [ 55.661882] ops_init+0xbb/0x6b0 [ 55.662372] setup_net+0x3d9/0x990 [ 55.662891] ? down_read_killable+0x1d7/0x4e0 [ 55.663501] ? __pfx_setup_net+0x10/0x10 [ 55.664075] ? copy_net_ns+0x17c/0x770 [ 55.664642] copy_net_ns+0x321/0x770 [ 55.665208] create_new_namespaces+0x3f6/0xb30 [ 55.665873] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.666572] ksys_unshare+0x44d/0x8e0 [ 55.667145] ? __pfx_ksys_unshare+0x10/0x10 [ 55.667803] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.668590] __x64_sys_unshare+0x31/0x40 [ 55.669195] do_syscall_64+0x3f/0x90 [ 55.669743] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.670486] RIP: 0033:0x7fb026ac60d7 [ 55.671013] 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 [ 55.673428] RSP: 002b:00007ffdecfd8938 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 55.674490] RAX: ffffffffffffffda RBX: 00007ffdecfd8f78 RCX: 00007fb026ac60d7 [ 55.675471] RDX: 00007fb026b3041f RSI: 00007ffdecfd88d0 RDI: 0000000040000000 [ 55.676474] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdecfd86e0 [ 55.677456] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb026bd8bf0 [ 55.678441] R13: 00007ffdecfd8a10 R14: 0000000000000000 R15: 00000000000000f8 [ 55.679438] [ 55.679803] irq event stamp: 8627 [ 55.680266] hardirqs last enabled at (8637): [] __up_console_sem+0x78/0x80 [ 55.681422] hardirqs last disabled at (8648): [] __up_console_sem+0x5d/0x80 [ 55.682591] softirqs last enabled at (8034): [] irq_exit_rcu+0x93/0xc0 [ 55.683727] softirqs last disabled at (7881): [] irq_exit_rcu+0x93/0xc0 [ 55.684867] ---[ end trace 0000000000000000 ]--- [ 55.690537] ------------[ cut here ]------------ [ 55.691218] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 55.693126] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.694301] Modules linked in: [ 55.694784] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 55.696067] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.697179] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.697923] 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 [ 55.700328] RSP: 0018:ffff888016eb7c00 EFLAGS: 00010282 [ 55.701087] RAX: 0000000000000000 RBX: ffff88800db34040 RCX: 0000000000000000 [ 55.702102] RDX: ffff888016700000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 55.703101] RBP: ffff88800db34054 R08: 0000000000000001 R09: 0000000000000000 [ 55.704059] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.705007] R13: ffffffff84e23fe0 R14: ffff88800db34048 R15: ffffffff84da7d60 [ 55.705964] FS: 00005555556f7400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.707030] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.707818] CR2: 00007fed1bf526f4 CR3: 0000000010108000 CR4: 0000000000350ef0 [ 55.708767] Call Trace: [ 55.709117] [ 55.709431] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 55.710132] ipv6_frags_init_net+0x206/0x3c0 [ 55.710779] ops_init+0xbb/0x6b0 [ 55.711280] setup_net+0x3d9/0x990 [ 55.711840] ? down_read_killable+0x1d7/0x4e0 [ 55.712456] ? __pfx_setup_net+0x10/0x10 [ 55.713039] ? copy_net_ns+0x17c/0x770 [ 55.713606] copy_net_ns+0x321/0x770 [ 55.714173] create_new_namespaces+0x3f6/0xb30 [ 55.714848] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.715530] ksys_unshare+0x44d/0x8e0 [ 55.716105] ? __pfx_ksys_unshare+0x10/0x10 [ 55.716747] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.717528] __x64_sys_unshare+0x31/0x40 [ 55.718147] do_syscall_64+0x3f/0x90 [ 55.718718] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.719441] RIP: 0033:0x7fb026ac60d7 [ 55.719992] 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 [ 55.722403] RSP: 002b:00007ffdecfd8938 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 55.723462] RAX: ffffffffffffffda RBX: 00007ffdecfd8f78 RCX: 00007fb026ac60d7 [ 55.724436] RDX: 00007fb026b3041f RSI: 00007ffdecfd88d0 RDI: 0000000040000000 [ 55.725415] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdecfd86e0 [ 55.726416] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb026bd8bf0 [ 55.727400] R13: 00007ffdecfd8a10 R14: 0000000000000000 R15: 00000000000000f8 [ 55.728402] [ 55.728770] irq event stamp: 10455 [ 55.729248] hardirqs last enabled at (10465): [] __up_console_sem+0x78/0x80 [ 55.730436] hardirqs last disabled at (10476): [] __up_console_sem+0x5d/0x80 [ 55.731603] softirqs last enabled at (9942): [] irq_exit_rcu+0x93/0xc0 [ 55.732755] softirqs last disabled at (9937): [] irq_exit_rcu+0x93/0xc0 [ 55.733900] ---[ end trace 0000000000000000 ]--- [ 55.735445] ------------[ cut here ]------------ [ 55.736118] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 55.738166] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.739342] Modules linked in: [ 55.739824] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 55.741087] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.742246] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.742990] 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 [ 55.745405] RSP: 0018:ffff888016eb7bf0 EFLAGS: 00010286 [ 55.746167] RAX: 0000000000000000 RBX: ffff88800db34640 RCX: 0000000000000000 [ 55.747143] RDX: ffff888016700000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 55.748215] RBP: ffff88800db34654 R08: 0000000000000001 R09: 0000000000000000 [ 55.749201] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.750201] R13: ffffffff84e23fe0 R14: ffff88800db34648 R15: ffffffff84db0aa0 [ 55.751175] FS: 00005555556f7400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.752271] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.753086] CR2: 00007fed1bf526f4 CR3: 0000000010108000 CR4: 0000000000350ef0 [ 55.754089] Call Trace: [ 55.754453] [ 55.754826] nf_ct_net_init+0x224/0x3d0 [ 55.755384] ? __pfx_nf_ct_net_init+0x10/0x10 [ 55.756060] ops_init+0xbb/0x6b0 [ 55.756555] setup_net+0x3d9/0x990 [ 55.757097] ? down_read_killable+0x1d7/0x4e0 [ 55.757771] ? __pfx_setup_net+0x10/0x10 [ 55.758333] ? copy_net_ns+0x17c/0x770 [ 55.758921] copy_net_ns+0x321/0x770 [ 55.759456] create_new_namespaces+0x3f6/0xb30 [ 55.760136] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.760853] ksys_unshare+0x44d/0x8e0 [ 55.761394] ? __pfx_ksys_unshare+0x10/0x10 [ 55.762034] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.762878] __x64_sys_unshare+0x31/0x40 [ 55.763455] do_syscall_64+0x3f/0x90 [ 55.764021] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.764764] RIP: 0033:0x7fb026ac60d7 [ 55.765275] 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 [ 55.767675] RSP: 002b:00007ffdecfd8938 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 55.768752] RAX: ffffffffffffffda RBX: 00007ffdecfd8f78 RCX: 00007fb026ac60d7 [ 55.769746] RDX: 00007fb026b3041f RSI: 00007ffdecfd88d0 RDI: 0000000040000000 [ 55.770735] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdecfd86e0 [ 55.771721] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb026bd8bf0 [ 55.772666] R13: 00007ffdecfd8a10 R14: 0000000000000000 R15: 00000000000000f8 [ 55.773660] [ 55.774022] irq event stamp: 11263 [ 55.774521] hardirqs last enabled at (11273): [] __up_console_sem+0x78/0x80 [ 55.775715] hardirqs last disabled at (11286): [] __up_console_sem+0x5d/0x80 [ 55.776877] softirqs last enabled at (10966): [] irq_exit_rcu+0x93/0xc0 [ 55.778018] softirqs last disabled at (10961): [] irq_exit_rcu+0x93/0xc0 [ 55.779187] ---[ end trace 0000000000000000 ]--- [ 57.284381] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 59.334731] Bluetooth: hci0: command 0x041b tx timeout [ 61.380767] Bluetooth: hci0: command 0x040f tx timeout executing program [ 63.427771] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 07:08:21 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888016eb75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 00005555556f7400 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=00007fed1bf526f4 CR3=0000000010108000 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=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 info registers vcpu 1 RAX=000000000002c4ad RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f RFL=00000202 [-------] 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 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=00007fb474d936f4 CR3=00000000094a4000 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=2036323a38303a37302038312079614d XMM01=5d3434373034362e35352020205b203a XMM02=74656e20746120383532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120383532203a4449 XMM06=57205d3434373034362e35352020205b XMM07=79732036323a38303a37302038312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000