syzkaller login: [ 32.966671] sshd (210) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:52667' (ECDSA) to the list of known hosts. 2023/05/16 15:02:13 fuzzer started 2023/05/16 15:02:13 dialing manager at localhost:35573 2023/05/16 15:02:13 checking machine... 2023/05/16 15:02:13 checking revisions... [ 37.883437] kmemleak: Automatic memory scanning thread ended 2023/05/16 15:02:13 testing simple program... [ 37.962277] cgroup: Unknown subsys name 'net' [ 38.052657] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.845349] audit: type=1400 audit(1684249345.554:6): 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 [ 50.941246] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.944496] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.946949] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.950867] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.952477] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.955233] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.337387] ------------[ cut here ]------------ [ 51.338213] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.340197] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.341528] Modules linked in: [ 51.342039] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.347027] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.348093] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.348781] 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 [ 51.351047] RSP: 0018:ffff88801e89fc00 EFLAGS: 00010282 [ 51.351764] RAX: 0000000000000000 RBX: ffff88800fbae040 RCX: 0000000000000000 [ 51.352693] RDX: ffff88801934b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.353621] RBP: ffff88800fbae054 R08: 0000000000000001 R09: 0000000000000000 [ 51.354570] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.355450] R13: ffffffff84e223a0 R14: ffff88800fbae048 R15: ffffffff84d73340 [ 51.356352] FS: 0000555557167400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.357363] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.358117] CR2: 00007fff5c08e000 CR3: 000000000fbfa000 CR4: 0000000000350ee0 [ 51.359022] Call Trace: [ 51.359348] [ 51.359677] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.360294] ipv4_frags_init_net+0x269/0x440 [ 51.360889] ops_init+0xbb/0x6b0 [ 51.361340] setup_net+0x3d9/0x990 [ 51.361833] ? down_read_killable+0x1d7/0x4e0 [ 51.362442] ? __pfx_setup_net+0x10/0x10 [ 51.362992] ? copy_net_ns+0x17c/0x770 [ 51.363510] copy_net_ns+0x321/0x770 [ 51.364013] create_new_namespaces+0x3f6/0xb30 [ 51.364632] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.365254] ksys_unshare+0x44d/0x8e0 [ 51.365779] ? __pfx_ksys_unshare+0x10/0x10 [ 51.366340] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.367095] __x64_sys_unshare+0x31/0x40 [ 51.367653] do_syscall_64+0x3f/0x90 [ 51.368132] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.368812] RIP: 0033:0x7f9a2b1940d7 [ 51.369289] 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 [ 51.371473] RSP: 002b:00007ffffd6872a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.372426] RAX: ffffffffffffffda RBX: 00007ffffd6878e8 RCX: 00007f9a2b1940d7 [ 51.373328] RDX: 00007f9a2b1fe41f RSI: 00007ffffd687240 RDI: 0000000040000000 [ 51.374219] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffffd687050 [ 51.375173] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9a2b2a6bf0 [ 51.376068] R13: 00007ffffd687380 R14: 0000000000000000 R15: 00000000000000f8 [ 51.376981] [ 51.377285] irq event stamp: 8233 [ 51.377738] hardirqs last enabled at (8245): [] __up_console_sem+0x78/0x80 [ 51.378817] hardirqs last disabled at (8256): [] __up_console_sem+0x5d/0x80 [ 51.379891] softirqs last enabled at (7836): [] irq_exit_rcu+0x93/0xc0 [ 51.380947] softirqs last disabled at (7827): [] irq_exit_rcu+0x93/0xc0 [ 51.381998] ---[ end trace 0000000000000000 ]--- [ 51.387134] ------------[ cut here ]------------ [ 51.387764] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.389496] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.390615] Modules linked in: [ 51.391027] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.392309] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.393454] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.394135] 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 [ 51.396335] RSP: 0018:ffff88801e89fc00 EFLAGS: 00010282 [ 51.397026] RAX: 0000000000000000 RBX: ffff8880144d5040 RCX: 0000000000000000 [ 51.397919] RDX: ffff88801934b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.398824] RBP: ffff8880144d5054 R08: 0000000000000001 R09: 0000000000000000 [ 51.399710] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.400608] R13: ffffffff84e223a0 R14: ffff8880144d5048 R15: ffffffff84da62e0 [ 51.401463] FS: 0000555557167400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.402489] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.403225] CR2: 00007fff5c08e000 CR3: 000000000fbfa000 CR4: 0000000000350ee0 [ 51.404136] Call Trace: [ 51.404472] [ 51.404815] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.405439] ipv6_frags_init_net+0x206/0x3c0 [ 51.406030] ops_init+0xbb/0x6b0 [ 51.406486] setup_net+0x3d9/0x990 [ 51.406972] ? down_read_killable+0x1d7/0x4e0 [ 51.407577] ? __pfx_setup_net+0x10/0x10 [ 51.408093] ? copy_net_ns+0x17c/0x770 [ 51.408640] copy_net_ns+0x321/0x770 [ 51.409123] create_new_namespaces+0x3f6/0xb30 [ 51.409744] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.410367] ksys_unshare+0x44d/0x8e0 [ 51.410914] ? __pfx_ksys_unshare+0x10/0x10 [ 51.411483] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.412229] __x64_sys_unshare+0x31/0x40 [ 51.412779] do_syscall_64+0x3f/0x90 [ 51.413254] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.413936] RIP: 0033:0x7f9a2b1940d7 [ 51.414416] 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 [ 51.416601] RSP: 002b:00007ffffd6872a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.417572] RAX: ffffffffffffffda RBX: 00007ffffd6878e8 RCX: 00007f9a2b1940d7 [ 51.418445] RDX: 00007f9a2b1fe41f RSI: 00007ffffd687240 RDI: 0000000040000000 [ 51.419340] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffffd687050 [ 51.420230] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9a2b2a6bf0 [ 51.421122] R13: 00007ffffd687380 R14: 0000000000000000 R15: 00000000000000f8 [ 51.422044] [ 51.422351] irq event stamp: 10009 [ 51.422854] hardirqs last enabled at (10021): [] __up_console_sem+0x78/0x80 [ 51.423916] hardirqs last disabled at (10032): [] __up_console_sem+0x5d/0x80 [ 51.424986] softirqs last enabled at (9560): [] irq_exit_rcu+0x93/0xc0 [ 51.426024] softirqs last disabled at (9521): [] irq_exit_rcu+0x93/0xc0 [ 51.427084] ---[ end trace 0000000000000000 ]--- [ 51.428450] ------------[ cut here ]------------ [ 51.429102] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.431156] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.432255] Modules linked in: [ 51.432703] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.433890] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.434954] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.435659] 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 [ 51.437958] RSP: 0018:ffff88801e89fbf0 EFLAGS: 00010286 [ 51.438684] RAX: 0000000000000000 RBX: ffff888008cc0840 RCX: 0000000000000000 [ 51.439603] RDX: ffff88801934b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.440509] RBP: ffff888008cc0854 R08: 0000000000000001 R09: 0000000000000000 [ 51.441440] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.442363] R13: ffffffff84e223a0 R14: ffff888008cc0848 R15: ffffffff84daf020 [ 51.443314] FS: 0000555557167400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.444356] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.445127] CR2: 00007fff5c08e000 CR3: 000000000fbfa000 CR4: 0000000000350ee0 [ 51.446056] Call Trace: [ 51.446397] [ 51.446754] nf_ct_net_init+0x224/0x3d0 [ 51.447285] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.447916] ops_init+0xbb/0x6b0 [ 51.448376] setup_net+0x3d9/0x990 [ 51.448879] ? down_read_killable+0x1d7/0x4e0 [ 51.449465] ? __pfx_setup_net+0x10/0x10 [ 51.450025] ? copy_net_ns+0x17c/0x770 [ 51.450600] copy_net_ns+0x321/0x770 [ 51.451095] create_new_namespaces+0x3f6/0xb30 [ 51.451725] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.452365] ksys_unshare+0x44d/0x8e0 [ 51.452886] ? __pfx_ksys_unshare+0x10/0x10 [ 51.453440] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.454190] __x64_sys_unshare+0x31/0x40 [ 51.454759] do_syscall_64+0x3f/0x90 [ 51.455239] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.455933] RIP: 0033:0x7f9a2b1940d7 [ 51.456400] 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 [ 51.458654] RSP: 002b:00007ffffd6872a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.459630] RAX: ffffffffffffffda RBX: 00007ffffd6878e8 RCX: 00007f9a2b1940d7 [ 51.460499] RDX: 00007f9a2b1fe41f RSI: 00007ffffd687240 RDI: 0000000040000000 [ 51.461395] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffffd687050 [ 51.462300] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9a2b2a6bf0 [ 51.463214] R13: 00007ffffd687380 R14: 0000000000000000 R15: 00000000000000f8 [ 51.464134] [ 51.464445] irq event stamp: 10815 [ 51.464934] hardirqs last enabled at (10827): [] __up_console_sem+0x78/0x80 [ 51.465997] hardirqs last disabled at (10838): [] __up_console_sem+0x5d/0x80 [ 51.467108] softirqs last enabled at (10724): [] irq_exit_rcu+0x93/0xc0 [ 51.468188] softirqs last disabled at (10715): [] irq_exit_rcu+0x93/0xc0 [ 51.469222] ---[ end trace 0000000000000000 ]--- executing program [ 53.025264] Bluetooth: hci0: command 0x0409 tx timeout [ 55.072685] Bluetooth: hci0: command 0x041b tx timeout executing program [ 57.120728] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.168635] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 15:02:24 Registers: info registers vcpu 0 RAX=ffffffff8612e561 RBX=0000000000000002 RCX=1ffffffff0c25cac RDX=0000000000000000 RSI=ffffffff8612e532 RDI=ffffffff85df5fec RBP=ffff88806ce09af8 RSP=ffff88806ce09a30 R8 =ffffffff8612e55c R9 =ffffffff8612dcde R10=0000000000038001 R11=000000000002107b R12=ffff88806ce09b00 R13=ffff88806ce09ae8 R14=ffff88806ce09ae1 R15=ffff88806ce09aa0 RIP=ffffffff8113172d RFL=00000216 [----AP-] 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 00007fbae4d81700 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=00007f552d4b5288 CR3=0000000016a44000 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=2037323a32303a35312036312079614d XMM01=5d3933303234332e31352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d39 XMM07=6e72656b2072656c6c616b7a79732037 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=ffff88801e89f5f0 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 0000555557167400 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=00007fff5c08e000 CR3=000000000fbfa000 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