syzkaller login: [ 34.872967] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:12378' (ECDSA) to the list of known hosts. 2023/05/16 23:08:44 fuzzer started 2023/05/16 23:08:45 dialing manager at localhost:35573 2023/05/16 23:08:45 checking machine... 2023/05/16 23:08:45 checking revisions... [ 36.058232] kmemleak: Automatic memory scanning thread ended 2023/05/16 23:08:45 testing simple program... [ 36.126151] cgroup: Unknown subsys name 'net' [ 36.237606] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.311208] audit: type=1400 audit(1684278537.674:6): 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 [ 49.432253] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.434040] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.435315] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.437672] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.439239] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.440340] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 49.837260] ------------[ cut here ]------------ [ 49.838040] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 49.840177] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.841526] Modules linked in: [ 49.842077] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 49.846084] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.847349] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.847975] 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 [ 49.850001] RSP: 0018:ffff88801e987c00 EFLAGS: 00010282 [ 49.850594] RAX: 0000000000000000 RBX: ffff88800de51840 RCX: 0000000000000000 [ 49.851410] RDX: ffff88800f3f8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 49.852225] RBP: ffff88800de51854 R08: 0000000000000001 R09: 0000000000000000 [ 49.853049] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 49.853872] R13: ffffffff84e223a0 R14: ffff88800de51848 R15: ffffffff84d73340 [ 49.854694] FS: 0000555555dcc400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 49.855587] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.856262] CR2: 00007fffc1a24000 CR3: 000000000f064000 CR4: 0000000000350ef0 [ 49.857089] Call Trace: [ 49.857391] [ 49.857688] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 49.858254] ipv4_frags_init_net+0x269/0x440 [ 49.858790] ops_init+0xbb/0x6b0 [ 49.859199] setup_net+0x3d9/0x990 [ 49.859613] ? down_read_killable+0x1d7/0x4e0 [ 49.860163] ? __pfx_setup_net+0x10/0x10 [ 49.860621] ? copy_net_ns+0x17c/0x770 [ 49.861141] copy_net_ns+0x321/0x770 [ 49.861581] create_new_namespaces+0x3f6/0xb30 [ 49.862140] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.862745] ksys_unshare+0x44d/0x8e0 [ 49.863221] ? __pfx_ksys_unshare+0x10/0x10 [ 49.863754] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.864403] __x64_sys_unshare+0x31/0x40 [ 49.864911] do_syscall_64+0x3f/0x90 [ 49.865355] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.865974] RIP: 0033:0x7f057c10c0d7 [ 49.866408] 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 [ 49.868389] RSP: 002b:00007ffc899ebf88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 49.869281] RAX: ffffffffffffffda RBX: 00007ffc899ec5c8 RCX: 00007f057c10c0d7 [ 49.870103] RDX: 00007f057c17641f RSI: 00007ffc899ebf20 RDI: 0000000040000000 [ 49.870906] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc899ebd30 [ 49.871748] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f057c21ebf0 [ 49.872550] R13: 00007ffc899ec060 R14: 0000000000000000 R15: 00000000000000f8 [ 49.873396] [ 49.873699] irq event stamp: 7403 [ 49.874084] hardirqs last enabled at (7413): [] __up_console_sem+0x78/0x80 [ 49.875060] hardirqs last disabled at (7424): [] __up_console_sem+0x5d/0x80 [ 49.876037] softirqs last enabled at (7364): [] irq_exit_rcu+0x93/0xc0 [ 49.876968] softirqs last disabled at (7359): [] irq_exit_rcu+0x93/0xc0 [ 49.877931] ---[ end trace 0000000000000000 ]--- [ 49.889197] ------------[ cut here ]------------ [ 49.889862] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 49.891634] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.892740] Modules linked in: [ 49.893165] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 49.894464] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.895597] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.896369] 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 [ 49.898692] RSP: 0018:ffff88801e987c00 EFLAGS: 00010282 [ 49.899353] RAX: 0000000000000000 RBX: ffff88800d2e6240 RCX: 0000000000000000 [ 49.900344] RDX: ffff88800f3f8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 49.901362] RBP: ffff88800d2e6254 R08: 0000000000000001 R09: 0000000000000000 [ 49.902357] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 49.903352] R13: ffffffff84e223a0 R14: ffff88800d2e6248 R15: ffffffff84da62e0 [ 49.904355] FS: 0000555555dcc400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.905468] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.906317] CR2: 00007f89b5f51f68 CR3: 000000000f064000 CR4: 0000000000350ee0 [ 49.907314] Call Trace: [ 49.907772] [ 49.908074] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 49.908806] ipv6_frags_init_net+0x206/0x3c0 [ 49.909397] ops_init+0xbb/0x6b0 [ 49.909963] setup_net+0x3d9/0x990 [ 49.910419] ? down_read_killable+0x1d7/0x4e0 [ 49.911049] ? __pfx_setup_net+0x10/0x10 [ 49.911560] ? copy_net_ns+0x17c/0x770 [ 49.912095] copy_net_ns+0x321/0x770 [ 49.912578] create_new_namespaces+0x3f6/0xb30 [ 49.913201] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.913854] ksys_unshare+0x44d/0x8e0 [ 49.914347] ? __pfx_ksys_unshare+0x10/0x10 [ 49.914936] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.915678] __x64_sys_unshare+0x31/0x40 [ 49.916194] do_syscall_64+0x3f/0x90 [ 49.916708] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.917375] RIP: 0033:0x7f057c10c0d7 [ 49.917879] 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 [ 49.920089] RSP: 002b:00007ffc899ebf88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 49.921061] RAX: ffffffffffffffda RBX: 00007ffc899ec5c8 RCX: 00007f057c10c0d7 [ 49.921965] RDX: 00007f057c17641f RSI: 00007ffc899ebf20 RDI: 0000000040000000 [ 49.922867] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc899ebd30 [ 49.923769] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f057c21ebf0 [ 49.924633] R13: 00007ffc899ec060 R14: 0000000000000000 R15: 00000000000000f8 [ 49.925570] [ 49.925902] irq event stamp: 10489 [ 49.926341] hardirqs last enabled at (10499): [] __up_console_sem+0x78/0x80 [ 49.927431] hardirqs last disabled at (10510): [] __up_console_sem+0x5d/0x80 [ 49.928516] softirqs last enabled at (10250): [] irq_exit_rcu+0x93/0xc0 [ 49.929591] softirqs last disabled at (10239): [] irq_exit_rcu+0x93/0xc0 [ 49.930621] ---[ end trace 0000000000000000 ]--- [ 49.932028] ------------[ cut here ]------------ [ 49.932613] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 49.934540] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.935628] Modules linked in: [ 49.936066] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 49.937259] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.938279] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.938966] 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 [ 49.941207] RSP: 0018:ffff88801e987bf0 EFLAGS: 00010286 [ 49.941897] RAX: 0000000000000000 RBX: ffff888014629640 RCX: 0000000000000000 [ 49.942789] RDX: ffff88800f3f8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 49.943697] RBP: ffff888014629654 R08: 0000000000000001 R09: 0000000000000000 [ 49.944557] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.945465] R13: ffffffff84e223a0 R14: ffff888014629648 R15: ffffffff84daf020 [ 49.946361] FS: 0000555555dcc400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.947371] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.948123] CR2: 00007f89b5f51f68 CR3: 000000000f064000 CR4: 0000000000350ee0 [ 49.949040] Call Trace: [ 49.949371] [ 49.949719] nf_ct_net_init+0x224/0x3d0 [ 49.950238] ? __pfx_nf_ct_net_init+0x10/0x10 [ 49.950841] ops_init+0xbb/0x6b0 [ 49.951285] setup_net+0x3d9/0x990 [ 49.951772] ? down_read_killable+0x1d7/0x4e0 [ 49.952342] ? __pfx_setup_net+0x10/0x10 [ 49.952888] ? copy_net_ns+0x17c/0x770 [ 49.953405] copy_net_ns+0x321/0x770 [ 49.953923] create_new_namespaces+0x3f6/0xb30 [ 49.954513] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.955157] ksys_unshare+0x44d/0x8e0 [ 49.955686] ? __pfx_ksys_unshare+0x10/0x10 [ 49.956236] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.956980] __x64_sys_unshare+0x31/0x40 [ 49.957531] do_syscall_64+0x3f/0x90 [ 49.958058] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.958734] RIP: 0033:0x7f057c10c0d7 [ 49.959195] 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 [ 49.961385] RSP: 002b:00007ffc899ebf88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 49.962344] RAX: ffffffffffffffda RBX: 00007ffc899ec5c8 RCX: 00007f057c10c0d7 [ 49.963267] RDX: 00007f057c17641f RSI: 00007ffc899ebf20 RDI: 0000000040000000 [ 49.964154] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc899ebd30 [ 49.965051] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f057c21ebf0 [ 49.965948] R13: 00007ffc899ec060 R14: 0000000000000000 R15: 00000000000000f8 [ 49.966871] [ 49.967176] irq event stamp: 11257 [ 49.967607] hardirqs last enabled at (11267): [] __up_console_sem+0x78/0x80 [ 49.968708] hardirqs last disabled at (11280): [] __up_console_sem+0x5d/0x80 [ 49.969799] softirqs last enabled at (11230): [] irq_exit_rcu+0x93/0xc0 [ 49.970861] softirqs last disabled at (11225): [] irq_exit_rcu+0x93/0xc0 [ 49.971990] ---[ end trace 0000000000000000 ]--- executing program [ 51.508333] Bluetooth: hci0: command 0x0409 tx timeout [ 53.555758] Bluetooth: hci0: command 0x041b tx timeout executing program [ 55.603713] Bluetooth: hci0: command 0x040f tx timeout executing program [ 57.651740] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 23:08:58 Registers: info registers vcpu 0 RAX=000000000000002d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801e9875f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002d R11=0000000000000001 R12=000000000000002d 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 0000555555dcc400 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=00007fffc1a24000 CR3=000000000f064000 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=0000000000000000 RBX=1ffff11001bb5eb8 RCX=ffff88800f6189d4 RDX=1ffff11001ec3147 RSI=ffff88800f618a18 RDI=ffff88800f618a3a RBP=ffff88800f618a18 RSP=ffff88800ddaf588 R8 =ffff88800f618a3a R9 =fffffbfff0ef2d47 R10=ffffffff87796a3f R11=0000000000000001 R12=0000000000000008 R13=ffff88800f618a38 R14=dffffc0000000000 R15=0000000000000100 RIP=ffffffff812cd9cb RFL=00000016 [----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 00007f07e6b44700 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=00007f89b5f6f000 CR3=000000000cc00000 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=ff931e6fcce006a9a94514091bf6a665 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=065b5275f8b13a32000000000013bff0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=6c20131e644f7de900000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000