syzkaller login: [ 37.587914] sshd (218) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:53941' (ECDSA) to the list of known hosts. 2023/05/17 23:44:12 fuzzer started 2023/05/17 23:44:13 dialing manager at localhost:44319 2023/05/17 23:44:13 checking machine... 2023/05/17 23:44:13 checking revisions... [ 39.753111] kmemleak: Automatic memory scanning thread ended 2023/05/17 23:44:13 testing simple program... [ 39.823510] cgroup: Unknown subsys name 'net' [ 39.907987] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.754636] audit: type=1400 audit(1684367065.298:6): 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 [ 52.886350] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.888081] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.890560] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.894440] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.896224] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.897813] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.304186] ------------[ cut here ]------------ [ 53.304825] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.306462] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.307594] Modules linked in: [ 53.308026] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.312778] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.313820] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.314501] 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 [ 53.316708] RSP: 0018:ffff88801cf0fc00 EFLAGS: 00010282 [ 53.317406] RAX: 0000000000000000 RBX: ffff88800f047440 RCX: 0000000000000000 [ 53.318305] RDX: ffff88800fd09b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.319224] RBP: ffff88800f047454 R08: 0000000000000001 R09: 0000000000000000 [ 53.320114] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.321001] R13: ffffffff84e23fe0 R14: ffff88800f047448 R15: ffffffff84d74dc0 [ 53.321868] FS: 000055555721f400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.322904] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.323644] CR2: 00007fdb18aaa6f4 CR3: 000000000f20c000 CR4: 0000000000350ee0 [ 53.324558] Call Trace: [ 53.324881] [ 53.325213] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.325835] ipv4_frags_init_net+0x269/0x440 [ 53.326432] ops_init+0xbb/0x6b0 [ 53.326903] setup_net+0x3d9/0x990 [ 53.327397] ? down_read_killable+0x1d7/0x4e0 [ 53.328005] ? __pfx_setup_net+0x10/0x10 [ 53.328525] ? copy_net_ns+0x17c/0x770 [ 53.329079] copy_net_ns+0x321/0x770 [ 53.329566] create_new_namespaces+0x3f6/0xb30 [ 53.330186] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.330827] ksys_unshare+0x44d/0x8e0 [ 53.331349] ? __pfx_ksys_unshare+0x10/0x10 [ 53.331899] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.332658] __x64_sys_unshare+0x31/0x40 [ 53.333215] do_syscall_64+0x3f/0x90 [ 53.333705] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.334387] RIP: 0033:0x7f48692ab0d7 [ 53.334869] 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 [ 53.337014] RSP: 002b:00007ffdafb69ab8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.337977] RAX: ffffffffffffffda RBX: 00007ffdafb6a0f8 RCX: 00007f48692ab0d7 [ 53.339015] RDX: 00007f486931541f RSI: 00007ffdafb69a50 RDI: 0000000040000000 [ 53.340199] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdafb69860 [ 53.341389] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f48693bdbf0 [ 53.342579] R13: 00007ffdafb69b90 R14: 0000000000000000 R15: 00000000000000f8 [ 53.343832] [ 53.344284] irq event stamp: 8199 [ 53.344849] hardirqs last enabled at (8209): [] __up_console_sem+0x78/0x80 [ 53.346276] hardirqs last disabled at (8220): [] __up_console_sem+0x5d/0x80 [ 53.347726] softirqs last enabled at (7670): [] irq_exit_rcu+0x93/0xc0 [ 53.349117] softirqs last disabled at (7567): [] irq_exit_rcu+0x93/0xc0 [ 53.350506] ---[ end trace 0000000000000000 ]--- [ 53.358862] ------------[ cut here ]------------ [ 53.359766] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.361966] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.363239] Modules linked in: [ 53.363661] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.364827] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.365847] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.366546] 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 [ 53.368756] RSP: 0018:ffff88801cf0fc00 EFLAGS: 00010282 [ 53.369472] RAX: 0000000000000000 RBX: ffff888014543c40 RCX: 0000000000000000 [ 53.370380] RDX: ffff88800fd09b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.371322] RBP: ffff888014543c54 R08: 0000000000000001 R09: 0000000000000000 [ 53.372228] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.373130] R13: ffffffff84e23fe0 R14: ffff888014543c48 R15: ffffffff84da7d60 [ 53.374027] FS: 000055555721f400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.375076] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.375796] CR2: 00007fdb18aaa6f4 CR3: 000000000f20c000 CR4: 0000000000350ee0 [ 53.376704] Call Trace: [ 53.377069] [ 53.377377] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.378029] ipv6_frags_init_net+0x206/0x3c0 [ 53.378612] ops_init+0xbb/0x6b0 [ 53.379106] setup_net+0x3d9/0x990 [ 53.379572] ? down_read_killable+0x1d7/0x4e0 [ 53.380175] ? __pfx_setup_net+0x10/0x10 [ 53.380708] ? copy_net_ns+0x17c/0x770 [ 53.381246] copy_net_ns+0x321/0x770 [ 53.381741] create_new_namespaces+0x3f6/0xb30 [ 53.382364] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.383023] ksys_unshare+0x44d/0x8e0 [ 53.383515] ? __pfx_ksys_unshare+0x10/0x10 [ 53.384150] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.384860] __x64_sys_unshare+0x31/0x40 [ 53.385410] do_syscall_64+0x3f/0x90 [ 53.385885] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.386564] RIP: 0033:0x7f48692ab0d7 [ 53.387104] 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 [ 53.389329] RSP: 002b:00007ffdafb69ab8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.390288] RAX: ffffffffffffffda RBX: 00007ffdafb6a0f8 RCX: 00007f48692ab0d7 [ 53.391195] RDX: 00007f486931541f RSI: 00007ffdafb69a50 RDI: 0000000040000000 [ 53.392103] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdafb69860 [ 53.392991] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f48693bdbf0 [ 53.393871] R13: 00007ffdafb69b90 R14: 0000000000000000 R15: 00000000000000f8 [ 53.394820] [ 53.395155] irq event stamp: 10127 [ 53.395592] hardirqs last enabled at (10137): [] __up_console_sem+0x78/0x80 [ 53.396676] hardirqs last disabled at (10148): [] __up_console_sem+0x5d/0x80 [ 53.397748] softirqs last enabled at (9608): [] irq_exit_rcu+0x93/0xc0 [ 53.398811] softirqs last disabled at (9585): [] irq_exit_rcu+0x93/0xc0 [ 53.399882] ---[ end trace 0000000000000000 ]--- [ 53.401281] ------------[ cut here ]------------ [ 53.401886] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.403831] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.404952] Modules linked in: [ 53.405364] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.406544] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.407614] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.408297] 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 [ 53.410473] RSP: 0018:ffff88801cf0fbf0 EFLAGS: 00010286 [ 53.411173] RAX: 0000000000000000 RBX: ffff888014543240 RCX: 0000000000000000 [ 53.412067] RDX: ffff88800fd09b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.412968] RBP: ffff888014543254 R08: 0000000000000001 R09: 0000000000000000 [ 53.413830] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.414744] R13: ffffffff84e23fe0 R14: ffff888014543248 R15: ffffffff84db0aa0 [ 53.415645] FS: 000055555721f400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.416666] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.417419] CR2: 00007fdb18aaa6f4 CR3: 000000000f20c000 CR4: 0000000000350ee0 [ 53.418319] Call Trace: [ 53.418650] [ 53.419000] nf_ct_net_init+0x224/0x3d0 [ 53.419531] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.420148] ops_init+0xbb/0x6b0 [ 53.420608] setup_net+0x3d9/0x990 [ 53.421107] ? down_read_killable+0x1d7/0x4e0 [ 53.421688] ? __pfx_setup_net+0x10/0x10 [ 53.422246] ? copy_net_ns+0x17c/0x770 [ 53.422763] copy_net_ns+0x321/0x770 [ 53.423289] create_new_namespaces+0x3f6/0xb30 [ 53.423892] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.424546] ksys_unshare+0x44d/0x8e0 [ 53.425069] ? __pfx_ksys_unshare+0x10/0x10 [ 53.425624] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.426368] __x64_sys_unshare+0x31/0x40 [ 53.426895] do_syscall_64+0x3f/0x90 [ 53.427408] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.428095] RIP: 0033:0x7f48692ab0d7 [ 53.428564] 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 [ 53.430721] RSP: 002b:00007ffdafb69ab8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.431697] RAX: ffffffffffffffda RBX: 00007ffdafb6a0f8 RCX: 00007f48692ab0d7 [ 53.432588] RDX: 00007f486931541f RSI: 00007ffdafb69a50 RDI: 0000000040000000 [ 53.433476] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdafb69860 [ 53.434376] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f48693bdbf0 [ 53.435290] R13: 00007ffdafb69b90 R14: 0000000000000000 R15: 00000000000000f8 [ 53.436203] [ 53.436506] irq event stamp: 10953 [ 53.436969] hardirqs last enabled at (10965): [] __up_console_sem+0x78/0x80 [ 53.438041] hardirqs last disabled at (10976): [] __up_console_sem+0x5d/0x80 [ 53.439145] softirqs last enabled at (10926): [] irq_exit_rcu+0x93/0xc0 [ 53.440212] softirqs last disabled at (10913): [] irq_exit_rcu+0x93/0xc0 [ 53.441275] ---[ end trace 0000000000000000 ]--- executing program [ 54.972761] Bluetooth: hci0: command 0x0409 tx timeout [ 57.018994] Bluetooth: hci0: command 0x041b tx timeout executing program [ 59.067039] Bluetooth: hci0: command 0x040f tx timeout executing program [ 61.115009] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 23:44:23 Registers: info registers vcpu 0 RAX=0000000000024365 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=00007f9a08d16de0 CR3=000000000cb8e000 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=2036323a34343a33322037312079614d XMM01=5d3632303830332e33352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d36 XMM07=6e72656b2072656c6c616b7a79732036 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000002d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801cf0f5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002d R11=0000000000000001 R12=000000000000002d 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 000055555721f400 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=00007fdb18aaa6f4 CR3=000000000f20c000 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