syzkaller login: [ 35.892394] sshd (211) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:49535' (ECDSA) to the list of known hosts. 2023/05/17 01:27:07 fuzzer started 2023/05/17 01:27:07 dialing manager at localhost:35573 2023/05/17 01:27:07 checking machine... 2023/05/17 01:27:07 checking revisions... [ 41.099905] kmemleak: Automatic memory scanning thread ended 2023/05/17 01:27:07 testing simple program... [ 41.157416] cgroup: Unknown subsys name 'net' [ 41.240995] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 53.046498] audit: type=1400 audit(1684286839.489:6): 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 [ 54.126078] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 54.128301] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 54.129442] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 54.133159] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.135375] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 54.136627] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 54.534715] ------------[ cut here ]------------ [ 54.535339] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 54.537305] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.538500] Modules linked in: [ 54.538928] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.541985] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.544807] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.545632] 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 [ 54.547908] RSP: 0018:ffff888019f0fc00 EFLAGS: 00010282 [ 54.548684] RAX: 0000000000000000 RBX: ffff88800ebac040 RCX: 0000000000000000 [ 54.549682] RDX: ffff888017860000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.550663] RBP: ffff88800ebac054 R08: 0000000000000001 R09: 0000000000000000 [ 54.551643] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 54.552554] R13: ffffffff84e223a0 R14: ffff88800ebac048 R15: ffffffff84d73340 [ 54.553436] FS: 00005555571b3400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.554451] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.555208] CR2: 00007fa70bf7c6f4 CR3: 0000000016f4a000 CR4: 0000000000350ee0 [ 54.556108] Call Trace: [ 54.556436] [ 54.556770] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 54.557390] ipv4_frags_init_net+0x269/0x440 [ 54.557970] ops_init+0xbb/0x6b0 [ 54.558417] setup_net+0x3d9/0x990 [ 54.558904] ? down_read_killable+0x1d7/0x4e0 [ 54.559508] ? __pfx_setup_net+0x10/0x10 [ 54.560018] ? copy_net_ns+0x17c/0x770 [ 54.560554] copy_net_ns+0x321/0x770 [ 54.561061] create_new_namespaces+0x3f6/0xb30 [ 54.561682] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.562293] ksys_unshare+0x44d/0x8e0 [ 54.562819] ? __pfx_ksys_unshare+0x10/0x10 [ 54.563362] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.564096] __x64_sys_unshare+0x31/0x40 [ 54.564643] do_syscall_64+0x3f/0x90 [ 54.565125] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.565794] RIP: 0033:0x7f0806fdd0d7 [ 54.566260] 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 [ 54.568417] RSP: 002b:00007ffd06f2acb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.569346] RAX: ffffffffffffffda RBX: 00007ffd06f2b2f8 RCX: 00007f0806fdd0d7 [ 54.570238] RDX: 00007f080704741f RSI: 00007ffd06f2ac50 RDI: 0000000040000000 [ 54.571121] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd06f2aa60 [ 54.572012] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f08070efbf0 [ 54.572915] R13: 00007ffd06f2ad90 R14: 0000000000000000 R15: 00000000000000f8 [ 54.573847] [ 54.574146] irq event stamp: 8643 [ 54.574595] hardirqs last enabled at (8655): [] __up_console_sem+0x78/0x80 [ 54.575647] hardirqs last disabled at (8666): [] __up_console_sem+0x5d/0x80 [ 54.576690] softirqs last enabled at (8282): [] irq_exit_rcu+0x93/0xc0 [ 54.577716] softirqs last disabled at (8273): [] irq_exit_rcu+0x93/0xc0 [ 54.578729] ---[ end trace 0000000000000000 ]--- [ 54.585345] ------------[ cut here ]------------ [ 54.585977] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 54.587640] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.588690] Modules linked in: [ 54.589100] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.590260] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.591279] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.591947] 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 [ 54.594153] RSP: 0018:ffff888019f0fc00 EFLAGS: 00010282 [ 54.594842] RAX: 0000000000000000 RBX: ffff88800d8d1e40 RCX: 0000000000000000 [ 54.595737] RDX: ffff888017860000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.596618] RBP: ffff88800d8d1e54 R08: 0000000000000001 R09: 0000000000000000 [ 54.597517] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.598365] R13: ffffffff84e223a0 R14: ffff88800d8d1e48 R15: ffffffff84da62e0 [ 54.599256] FS: 00005555571b3400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.600240] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.601006] CR2: 00007fa70bf7c6f4 CR3: 0000000016f4a000 CR4: 0000000000350ee0 [ 54.601895] Call Trace: [ 54.602226] [ 54.602568] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 54.603172] ipv6_frags_init_net+0x206/0x3c0 [ 54.603763] ops_init+0xbb/0x6b0 [ 54.604207] setup_net+0x3d9/0x990 [ 54.604690] ? down_read_killable+0x1d7/0x4e0 [ 54.605263] ? __pfx_setup_net+0x10/0x10 [ 54.605797] ? copy_net_ns+0x17c/0x770 [ 54.606299] copy_net_ns+0x321/0x770 [ 54.606860] create_new_namespaces+0x3f6/0xb30 [ 54.607446] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.608089] ksys_unshare+0x44d/0x8e0 [ 54.608616] ? __pfx_ksys_unshare+0x10/0x10 [ 54.609206] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.610127] __x64_sys_unshare+0x31/0x40 [ 54.610856] do_syscall_64+0x3f/0x90 [ 54.611511] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.612347] RIP: 0033:0x7f0806fdd0d7 [ 54.613046] 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 [ 54.615928] RSP: 002b:00007ffd06f2acb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.617217] RAX: ffffffffffffffda RBX: 00007ffd06f2b2f8 RCX: 00007f0806fdd0d7 [ 54.618404] RDX: 00007f080704741f RSI: 00007ffd06f2ac50 RDI: 0000000040000000 [ 54.619574] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd06f2aa60 [ 54.620762] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f08070efbf0 [ 54.621994] R13: 00007ffd06f2ad90 R14: 0000000000000000 R15: 00000000000000f8 [ 54.623205] [ 54.623639] irq event stamp: 10775 [ 54.624217] hardirqs last enabled at (10785): [] __up_console_sem+0x78/0x80 [ 54.625705] hardirqs last disabled at (10796): [] __up_console_sem+0x5d/0x80 [ 54.627101] softirqs last enabled at (10564): [] irq_exit_rcu+0x93/0xc0 [ 54.628506] softirqs last disabled at (10559): [] irq_exit_rcu+0x93/0xc0 [ 54.629892] ---[ end trace 0000000000000000 ]--- [ 54.631961] ------------[ cut here ]------------ [ 54.633033] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 54.635428] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.636752] Modules linked in: [ 54.637248] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.638692] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.639974] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.640725] 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 [ 54.643280] RSP: 0018:ffff888019f0fbf0 EFLAGS: 00010286 [ 54.644010] RAX: 0000000000000000 RBX: ffff8880095bd240 RCX: 0000000000000000 [ 54.645002] RDX: ffff888017860000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.646040] RBP: ffff8880095bd254 R08: 0000000000000001 R09: 0000000000000000 [ 54.646991] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.648024] R13: ffffffff84e223a0 R14: ffff8880095bd248 R15: ffffffff84daf020 [ 54.649044] FS: 00005555571b3400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.650151] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.651081] CR2: 00007fa70bf7c6f4 CR3: 0000000016f4a000 CR4: 0000000000350ee0 [ 54.652034] Call Trace: [ 54.652402] [ 54.652742] nf_ct_net_init+0x224/0x3d0 [ 54.653406] ? __pfx_nf_ct_net_init+0x10/0x10 [ 54.654069] ops_init+0xbb/0x6b0 [ 54.654558] setup_net+0x3d9/0x990 [ 54.655048] ? down_read_killable+0x1d7/0x4e0 [ 54.655774] ? __pfx_setup_net+0x10/0x10 [ 54.656322] ? copy_net_ns+0x17c/0x770 [ 54.656883] copy_net_ns+0x321/0x770 [ 54.657416] create_new_namespaces+0x3f6/0xb30 [ 54.658119] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.658865] ksys_unshare+0x44d/0x8e0 [ 54.659370] ? __pfx_ksys_unshare+0x10/0x10 [ 54.659995] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.660899] __x64_sys_unshare+0x31/0x40 [ 54.661507] do_syscall_64+0x3f/0x90 [ 54.662014] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.662711] RIP: 0033:0x7f0806fdd0d7 [ 54.663293] 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 [ 54.665620] RSP: 002b:00007ffd06f2acb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.666695] RAX: ffffffffffffffda RBX: 00007ffd06f2b2f8 RCX: 00007f0806fdd0d7 [ 54.667684] RDX: 00007f080704741f RSI: 00007ffd06f2ac50 RDI: 0000000040000000 [ 54.668578] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd06f2aa60 [ 54.669536] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f08070efbf0 [ 54.670390] R13: 00007ffd06f2ad90 R14: 0000000000000000 R15: 00000000000000f8 [ 54.671306] [ 54.671634] irq event stamp: 11649 [ 54.672071] hardirqs last enabled at (11659): [] __up_console_sem+0x78/0x80 [ 54.673172] hardirqs last disabled at (11670): [] __up_console_sem+0x5d/0x80 [ 54.674239] softirqs last enabled at (11272): [] irq_exit_rcu+0x93/0xc0 [ 54.675294] softirqs last disabled at (11267): [] irq_exit_rcu+0x93/0xc0 [ 54.676343] ---[ end trace 0000000000000000 ]--- executing program [ 56.207098] Bluetooth: hci0: command 0x0409 tx timeout [ 58.254532] Bluetooth: hci0: command 0x041b tx timeout executing program [ 60.302635] Bluetooth: hci0: command 0x040f tx timeout executing program [ 62.350521] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 01:27:16 Registers: info registers vcpu 0 RAX=000000000001b905 RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 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 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=00007ff41330f070 CR3=000000000eeb4000 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=2030323a37323a31302037312079614d XMM01=5d3832393833352e34352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d38 XMM07=6e72656b2072656c6c616b7a79732030 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000034 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888019f0f618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000034 R11=0000000000000001 R12=0000000000000034 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 00005555571b3400 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=00007fa70bf7c6f4 CR3=0000000016f4a000 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