syzkaller login: [ 36.744707] sshd (219) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:36387' (ECDSA) to the list of known hosts. 2023/05/17 04:28:27 fuzzer started 2023/05/17 04:28:28 dialing manager at localhost:35573 2023/05/17 04:28:28 checking machine... 2023/05/17 04:28:28 checking revisions... [ 38.690722] kmemleak: Automatic memory scanning thread ended 2023/05/17 04:28:28 testing simple program... [ 38.766858] cgroup: Unknown subsys name 'net' [ 38.849290] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.731651] audit: type=1400 audit(1684297721.528:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 52.869011] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.870807] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.873975] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.877299] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.879760] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.881349] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.310559] ------------[ cut here ]------------ [ 53.311354] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.313648] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.315004] Modules linked in: [ 53.315477] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.317824] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.320420] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.321410] 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 [ 53.324029] RSP: 0018:ffff888014687c00 EFLAGS: 00010282 [ 53.324850] RAX: 0000000000000000 RBX: ffff88800f40e840 RCX: 0000000000000000 [ 53.325905] RDX: ffff88800fdf0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.326996] RBP: ffff88800f40e854 R08: 0000000000000001 R09: 0000000000000000 [ 53.327936] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.328880] R13: ffffffff84e223a0 R14: ffff88800f40e848 R15: ffffffff84d73340 [ 53.329823] FS: 00005555560cf400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.330891] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.331677] CR2: 00007fffb913c000 CR3: 0000000015bac000 CR4: 0000000000350ee0 [ 53.332617] Call Trace: [ 53.332965] [ 53.333313] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.333961] ipv4_frags_init_net+0x269/0x440 [ 53.334599] ops_init+0xbb/0x6b0 [ 53.335073] setup_net+0x3d9/0x990 [ 53.335583] ? down_read_killable+0x1d7/0x4e0 [ 53.336205] ? __pfx_setup_net+0x10/0x10 [ 53.336743] ? copy_net_ns+0x17c/0x770 [ 53.337308] copy_net_ns+0x321/0x770 [ 53.337814] create_new_namespaces+0x3f6/0xb30 [ 53.338473] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.339125] ksys_unshare+0x44d/0x8e0 [ 53.339676] ? __pfx_ksys_unshare+0x10/0x10 [ 53.340285] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.341035] __x64_sys_unshare+0x31/0x40 [ 53.341631] do_syscall_64+0x3f/0x90 [ 53.342138] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.342857] RIP: 0033:0x7f77f40bb0d7 [ 53.343380] 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 [ 53.345666] RSP: 002b:00007ffc886ca798 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.346688] RAX: ffffffffffffffda RBX: 00007ffc886cadd8 RCX: 00007f77f40bb0d7 [ 53.347625] RDX: 00007f77f412541f RSI: 00007ffc886ca730 RDI: 0000000040000000 [ 53.348563] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc886ca540 [ 53.349505] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f77f41cdbf0 [ 53.350452] R13: 00007ffc886ca870 R14: 0000000000000000 R15: 00000000000000f8 [ 53.351417] [ 53.351737] irq event stamp: 9917 [ 53.352223] hardirqs last enabled at (9929): [] __up_console_sem+0x78/0x80 [ 53.353356] hardirqs last disabled at (9940): [] __up_console_sem+0x5d/0x80 [ 53.354479] softirqs last enabled at (9778): [] irq_exit_rcu+0x93/0xc0 [ 53.355570] softirqs last disabled at (9773): [] irq_exit_rcu+0x93/0xc0 [ 53.356661] ---[ end trace 0000000000000000 ]--- [ 53.362735] ------------[ cut here ]------------ [ 53.363387] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.365216] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.366333] Modules linked in: [ 53.366773] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.368000] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.369065] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.369790] 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 [ 53.372109] RSP: 0018:ffff888014687c00 EFLAGS: 00010282 [ 53.372836] RAX: 0000000000000000 RBX: ffff88800dfbe840 RCX: 0000000000000000 [ 53.373777] RDX: ffff88800fdf0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.374722] RBP: ffff88800dfbe854 R08: 0000000000000001 R09: 0000000000000000 [ 53.375664] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.376611] R13: ffffffff84e223a0 R14: ffff88800dfbe848 R15: ffffffff84da62e0 [ 53.377553] FS: 00005555560cf400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.378642] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.379422] CR2: 00007fffb913c000 CR3: 0000000015bac000 CR4: 0000000000350ee0 [ 53.380365] Call Trace: [ 53.380712] [ 53.381026] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.381703] ipv6_frags_init_net+0x206/0x3c0 [ 53.382329] ops_init+0xbb/0x6b0 [ 53.382807] setup_net+0x3d9/0x990 [ 53.383319] ? down_read_killable+0x1d7/0x4e0 [ 53.383921] ? __pfx_setup_net+0x10/0x10 [ 53.384484] ? copy_net_ns+0x17c/0x770 [ 53.385027] copy_net_ns+0x321/0x770 [ 53.385568] create_new_namespaces+0x3f6/0xb30 [ 53.386215] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.386890] ksys_unshare+0x44d/0x8e0 [ 53.387446] ? __pfx_ksys_unshare+0x10/0x10 [ 53.388034] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.388814] __x64_sys_unshare+0x31/0x40 [ 53.389390] do_syscall_64+0x3f/0x90 [ 53.389894] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.390610] RIP: 0033:0x7f77f40bb0d7 [ 53.391098] 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 [ 53.393396] RSP: 002b:00007ffc886ca798 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.394426] RAX: ffffffffffffffda RBX: 00007ffc886cadd8 RCX: 00007f77f40bb0d7 [ 53.395392] RDX: 00007f77f412541f RSI: 00007ffc886ca730 RDI: 0000000040000000 [ 53.396344] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc886ca540 [ 53.397286] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f77f41cdbf0 [ 53.398224] R13: 00007ffc886ca870 R14: 0000000000000000 R15: 00000000000000f8 [ 53.399155] [ 53.399509] irq event stamp: 11719 [ 53.399965] hardirqs last enabled at (11729): [] __up_console_sem+0x78/0x80 [ 53.401104] hardirqs last disabled at (11740): [] __up_console_sem+0x5d/0x80 [ 53.402238] softirqs last enabled at (11212): [] irq_exit_rcu+0x93/0xc0 [ 53.403354] softirqs last disabled at (11189): [] irq_exit_rcu+0x93/0xc0 [ 53.404464] ---[ end trace 0000000000000000 ]--- [ 53.405943] ------------[ cut here ]------------ [ 53.406600] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.408621] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.409741] Modules linked in: [ 53.410206] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.411441] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.412531] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.413245] 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 [ 53.415563] RSP: 0018:ffff888014687bf0 EFLAGS: 00010286 [ 53.416292] RAX: 0000000000000000 RBX: ffff88800dfbf040 RCX: 0000000000000000 [ 53.417236] RDX: ffff88800fdf0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.418151] RBP: ffff88800dfbf054 R08: 0000000000000001 R09: 0000000000000000 [ 53.419100] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.420042] R13: ffffffff84e223a0 R14: ffff88800dfbf048 R15: ffffffff84daf020 [ 53.420979] FS: 00005555560cf400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.422034] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.422829] CR2: 00007fffb913c000 CR3: 0000000015bac000 CR4: 0000000000350ee0 [ 53.423778] Call Trace: [ 53.424129] [ 53.424483] nf_ct_net_init+0x224/0x3d0 [ 53.425032] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.425667] ops_init+0xbb/0x6b0 [ 53.426143] setup_net+0x3d9/0x990 [ 53.426676] ? down_read_killable+0x1d7/0x4e0 [ 53.427312] ? __pfx_setup_net+0x10/0x10 [ 53.427858] ? copy_net_ns+0x17c/0x770 [ 53.428428] copy_net_ns+0x321/0x770 [ 53.428939] create_new_namespaces+0x3f6/0xb30 [ 53.429596] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.430286] ksys_unshare+0x44d/0x8e0 [ 53.430819] ? __pfx_ksys_unshare+0x10/0x10 [ 53.431440] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.432222] __x64_sys_unshare+0x31/0x40 [ 53.432770] do_syscall_64+0x3f/0x90 [ 53.433301] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.433991] RIP: 0033:0x7f77f40bb0d7 [ 53.434532] 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 [ 53.436813] RSP: 002b:00007ffc886ca798 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.437817] RAX: ffffffffffffffda RBX: 00007ffc886cadd8 RCX: 00007f77f40bb0d7 [ 53.438758] RDX: 00007f77f412541f RSI: 00007ffc886ca730 RDI: 0000000040000000 [ 53.439706] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc886ca540 [ 53.440635] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f77f41cdbf0 [ 53.441581] R13: 00007ffc886ca870 R14: 0000000000000000 R15: 00000000000000f8 [ 53.442557] [ 53.442872] irq event stamp: 12469 [ 53.443369] hardirqs last enabled at (12481): [] __up_console_sem+0x78/0x80 [ 53.444504] hardirqs last disabled at (12492): [] __up_console_sem+0x5d/0x80 [ 53.445634] softirqs last enabled at (11948): [] irq_exit_rcu+0x93/0xc0 [ 53.446760] softirqs last disabled at (11943): [] irq_exit_rcu+0x93/0xc0 [ 53.447857] ---[ end trace 0000000000000000 ]--- executing program [ 54.948713] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 56.997630] Bluetooth: hci0: command 0x041b tx timeout [ 59.044241] Bluetooth: hci0: command 0x040f tx timeout executing program [ 61.092239] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 04:28:40 Registers: info registers vcpu 0 RAX=0000000000010000 RBX=ffffffff8542a780 RCX=ffffffff81532f8a RDX=0000000000000000 RSI=0000000000000008 RDI=ffffffff8542a7ac RBP=ffffffff85407d68 RSP=ffff88806ce09fc8 R8 =0000000000000000 R9 =fffffbfff0ba6942 R10=ffffffff85d34a17 R11=ffff88806ce09ff8 R12=0000000000000001 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff813fc9c9 RFL=00000046 [---Z-P-] 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 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=00007ff7e5c0aad0 CR3=0000000015b00000 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=64f037451efedcadcf417c7d96d5b375 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=6274430aef9dd2d0000000000013b8f8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=f11a620ad9374bed00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000002 RBX=0000000000000000 RCX=ffffffff813014d9 RDX=ffff88800fdf0000 RSI=0000000000000000 RDI=0000000000000001 RBP=0000000000000001 RSP=ffff888014687750 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=00000000000002ad R13=0000000000000001 R14=dffffc0000000000 R15=0000000000000000 RIP=ffffffff814bf87b RFL=00000246 [---Z-P-] 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 00005555560cf400 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=00007fffb913c000 CR3=0000000015bac000 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