syzkaller login: [ 35.411329] sshd (211) used greatest stack depth: 24424 bytes left Warning: Permanently added '[localhost]:21862' (ECDSA) to the list of known hosts. 2023/05/16 23:01:15 fuzzer started 2023/05/16 23:01:15 dialing manager at localhost:35573 2023/05/16 23:01:15 checking machine... 2023/05/16 23:01:15 checking revisions... [ 41.419164] kmemleak: Automatic memory scanning thread ended 2023/05/16 23:01:15 testing simple program... [ 41.496100] cgroup: Unknown subsys name 'net' [ 41.587292] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 53.770577] audit: type=1400 audit(1684278088.287:6): 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 [ 54.916633] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 54.918243] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 54.920613] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 54.923523] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.925109] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 54.926252] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 55.326067] ------------[ cut here ]------------ [ 55.327269] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 55.329028] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.330118] Modules linked in: [ 55.330561] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.334937] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.335980] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.336666] 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 [ 55.338819] RSP: 0018:ffff8880179c7c00 EFLAGS: 00010282 [ 55.339510] RAX: 0000000000000000 RBX: ffff88801307e840 RCX: 0000000000000000 [ 55.340360] RDX: ffff8880159c1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.341242] RBP: ffff88801307e854 R08: 0000000000000001 R09: 0000000000000000 [ 55.342113] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 55.342982] R13: ffffffff84e223a0 R14: ffff88801307e848 R15: ffffffff84d73340 [ 55.343882] FS: 0000555555c30400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.344873] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.345606] CR2: 00007f18987626f4 CR3: 000000001464c000 CR4: 0000000000350ef0 [ 55.346479] Call Trace: [ 55.346803] [ 55.347121] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 55.347760] ipv4_frags_init_net+0x269/0x440 [ 55.348316] ops_init+0xbb/0x6b0 [ 55.348789] setup_net+0x3d9/0x990 [ 55.349242] ? down_read_killable+0x1d7/0x4e0 [ 55.349838] ? __pfx_setup_net+0x10/0x10 [ 55.350337] ? copy_net_ns+0x17c/0x770 [ 55.350865] copy_net_ns+0x321/0x770 [ 55.351350] create_new_namespaces+0x3f6/0xb30 [ 55.351954] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.352607] ksys_unshare+0x44d/0x8e0 [ 55.353090] ? __pfx_ksys_unshare+0x10/0x10 [ 55.353660] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.354359] __x64_sys_unshare+0x31/0x40 [ 55.354911] do_syscall_64+0x3f/0x90 [ 55.355421] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.356059] RIP: 0033:0x7f9af9b5a0d7 [ 55.356543] 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 [ 55.358705] RSP: 002b:00007ffcda59ae18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.359663] RAX: ffffffffffffffda RBX: 00007ffcda59b458 RCX: 00007f9af9b5a0d7 [ 55.360540] RDX: 00007f9af9bc441f RSI: 00007ffcda59adb0 RDI: 0000000040000000 [ 55.361421] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcda59abc0 [ 55.362276] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9af9c6cbf0 [ 55.363162] R13: 00007ffcda59aef0 R14: 0000000000000000 R15: 00000000000000f8 [ 55.364060] [ 55.364358] irq event stamp: 8405 [ 55.364805] hardirqs last enabled at (8417): [] __up_console_sem+0x78/0x80 [ 55.365860] hardirqs last disabled at (8428): [] __up_console_sem+0x5d/0x80 [ 55.366902] softirqs last enabled at (7888): [] irq_exit_rcu+0x93/0xc0 [ 55.367925] softirqs last disabled at (7735): [] irq_exit_rcu+0x93/0xc0 [ 55.368951] ---[ end trace 0000000000000000 ]--- [ 55.374361] ------------[ cut here ]------------ [ 55.374976] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 55.376727] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.377762] Modules linked in: [ 55.378163] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.379316] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.380329] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.381003] 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 [ 55.383169] RSP: 0018:ffff8880179c7c00 EFLAGS: 00010282 [ 55.383844] RAX: 0000000000000000 RBX: ffff88800e8a6440 RCX: 0000000000000000 [ 55.384728] RDX: ffff8880159c1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.385612] RBP: ffff88800e8a6454 R08: 0000000000000001 R09: 0000000000000000 [ 55.386504] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.387365] R13: ffffffff84e223a0 R14: ffff88800e8a6448 R15: ffffffff84da62e0 [ 55.388247] FS: 0000555555c30400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.389225] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.389946] CR2: 00007f18987626f4 CR3: 000000001464c000 CR4: 0000000000350ef0 [ 55.390830] Call Trace: [ 55.391163] [ 55.391488] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 55.392094] ipv6_frags_init_net+0x206/0x3c0 [ 55.392670] ops_init+0xbb/0x6b0 [ 55.393111] setup_net+0x3d9/0x990 [ 55.393595] ? down_read_killable+0x1d7/0x4e0 [ 55.394151] ? __pfx_setup_net+0x10/0x10 [ 55.394683] ? copy_net_ns+0x17c/0x770 [ 55.395215] copy_net_ns+0x321/0x770 [ 55.395722] create_new_namespaces+0x3f6/0xb30 [ 55.396307] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.396944] ksys_unshare+0x44d/0x8e0 [ 55.397469] ? __pfx_ksys_unshare+0x10/0x10 [ 55.398005] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.398738] __x64_sys_unshare+0x31/0x40 [ 55.399263] do_syscall_64+0x3f/0x90 [ 55.399758] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.400414] RIP: 0033:0x7f9af9b5a0d7 [ 55.400876] 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 [ 55.403009] RSP: 002b:00007ffcda59ae18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.403977] RAX: ffffffffffffffda RBX: 00007ffcda59b458 RCX: 00007f9af9b5a0d7 [ 55.404861] RDX: 00007f9af9bc441f RSI: 00007ffcda59adb0 RDI: 0000000040000000 [ 55.405735] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcda59abc0 [ 55.406617] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9af9c6cbf0 [ 55.407513] R13: 00007ffcda59aef0 R14: 0000000000000000 R15: 00000000000000f8 [ 55.408423] [ 55.408720] irq event stamp: 10159 [ 55.409156] hardirqs last enabled at (10169): [] __up_console_sem+0x78/0x80 [ 55.410226] hardirqs last disabled at (10180): [] __up_console_sem+0x5d/0x80 [ 55.411312] softirqs last enabled at (9708): [] irq_exit_rcu+0x93/0xc0 [ 55.412334] softirqs last disabled at (9703): [] irq_exit_rcu+0x93/0xc0 [ 55.413435] ---[ end trace 0000000000000000 ]--- [ 55.414848] ------------[ cut here ]------------ [ 55.415530] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 55.417456] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.418517] Modules linked in: [ 55.418924] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.420095] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.421103] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.421778] 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 [ 55.424043] RSP: 0018:ffff8880179c7bf0 EFLAGS: 00010286 [ 55.424758] RAX: 0000000000000000 RBX: ffff88800e8a7240 RCX: 0000000000000000 [ 55.425688] RDX: ffff8880159c1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.426608] RBP: ffff88800e8a7254 R08: 0000000000000001 R09: 0000000000000000 [ 55.427564] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.428497] R13: ffffffff84e223a0 R14: ffff88800e8a7248 R15: ffffffff84daf020 [ 55.429421] FS: 0000555555c30400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.430464] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.431216] CR2: 00007f18987626f4 CR3: 000000001464c000 CR4: 0000000000350ef0 [ 55.432138] Call Trace: [ 55.432507] [ 55.432813] nf_ct_net_init+0x224/0x3d0 [ 55.433343] ? __pfx_nf_ct_net_init+0x10/0x10 [ 55.433973] ops_init+0xbb/0x6b0 [ 55.434457] setup_net+0x3d9/0x990 [ 55.434922] ? down_read_killable+0x1d7/0x4e0 [ 55.435563] ? __pfx_setup_net+0x10/0x10 [ 55.436091] ? copy_net_ns+0x17c/0x770 [ 55.436648] copy_net_ns+0x321/0x770 [ 55.437156] create_new_namespaces+0x3f6/0xb30 [ 55.437800] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.438476] ksys_unshare+0x44d/0x8e0 [ 55.438984] ? __pfx_ksys_unshare+0x10/0x10 [ 55.439586] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.440334] __x64_sys_unshare+0x31/0x40 [ 55.440915] do_syscall_64+0x3f/0x90 [ 55.441445] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.442105] RIP: 0033:0x7f9af9b5a0d7 [ 55.442617] 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 [ 55.444897] RSP: 002b:00007ffcda59ae18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.445884] RAX: ffffffffffffffda RBX: 00007ffcda59b458 RCX: 00007f9af9b5a0d7 [ 55.446809] RDX: 00007f9af9bc441f RSI: 00007ffcda59adb0 RDI: 0000000040000000 [ 55.447767] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcda59abc0 [ 55.448686] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9af9c6cbf0 [ 55.449620] R13: 00007ffcda59aef0 R14: 0000000000000000 R15: 00000000000000f8 [ 55.450564] [ 55.450872] irq event stamp: 10967 [ 55.451336] hardirqs last enabled at (10977): [] __up_console_sem+0x78/0x80 [ 55.452477] hardirqs last disabled at (10990): [] __up_console_sem+0x5d/0x80 [ 55.453584] softirqs last enabled at (10862): [] irq_exit_rcu+0x93/0xc0 [ 55.454676] softirqs last disabled at (10857): [] irq_exit_rcu+0x93/0xc0 [ 55.455778] ---[ end trace 0000000000000000 ]--- executing program [ 56.999471] Bluetooth: hci0: command 0x0409 tx timeout [ 59.046465] Bluetooth: hci0: command 0x041b tx timeout executing program [ 61.094498] Bluetooth: hci0: command 0x040f tx timeout executing program [ 63.142566] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 23:01:25 Registers: info registers vcpu 0 RAX=0000000000000065 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880179c75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000065 R11=0000000000000001 R12=0000000000000065 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 0000555555c30400 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=00007f18987626f4 CR3=000000001464c000 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=0000000000039df3 RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 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 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=00007f19b1958780 CR3=000000000ede0000 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=2039323a31303a33322036312079614d XMM01=5d3136353033332e35352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d31 XMM07=6e72656b2072656c6c616b7a79732039 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000