syzkaller login: [ 38.686270] sshd (226) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:26263' (ECDSA) to the list of known hosts. 2023/05/18 02:41:56 fuzzer started 2023/05/18 02:41:56 dialing manager at localhost:44319 2023/05/18 02:41:56 checking machine... 2023/05/18 02:41:56 checking revisions... [ 39.928689] kmemleak: Automatic memory scanning thread ended 2023/05/18 02:41:56 testing simple program... [ 39.998448] cgroup: Unknown subsys name 'net' [ 40.088431] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 53.326578] audit: type=1400 audit(1684377730.144:6): 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 [ 54.486263] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 54.494777] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 54.496521] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 54.500158] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.502180] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 54.503922] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 54.872234] ------------[ cut here ]------------ [ 54.872981] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 54.874915] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.876152] Modules linked in: [ 54.876568] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.881238] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.882257] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.882929] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 54.885154] RSP: 0018:ffff888016077c00 EFLAGS: 00010282 [ 54.885813] RAX: 0000000000000000 RBX: ffff88800dc7f840 RCX: 0000000000000000 [ 54.886703] RDX: ffff88800ff53680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.887602] RBP: ffff88800dc7f854 R08: 0000000000000001 R09: 0000000000000000 [ 54.888503] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.889405] R13: ffffffff84e23fe0 R14: ffff88800dc7f848 R15: ffffffff84d74dc0 [ 54.890313] FS: 00005555573d4400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.891323] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.892026] CR2: 00007ff553b396f4 CR3: 0000000015b94000 CR4: 0000000000350ee0 [ 54.892927] Call Trace: [ 54.893281] [ 54.893582] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 54.894236] ipv4_frags_init_net+0x269/0x440 [ 54.894819] ops_init+0xbb/0x6b0 [ 54.895309] setup_net+0x3d9/0x990 [ 54.895773] ? down_read_killable+0x1d7/0x4e0 [ 54.896372] ? __pfx_setup_net+0x10/0x10 [ 54.896893] ? copy_net_ns+0x17c/0x770 [ 54.897427] copy_net_ns+0x321/0x770 [ 54.897912] create_new_namespaces+0x3f6/0xb30 [ 54.898539] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.899204] ksys_unshare+0x44d/0x8e0 [ 54.899695] ? __pfx_ksys_unshare+0x10/0x10 [ 54.900263] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.900987] __x64_sys_unshare+0x31/0x40 [ 54.901534] do_syscall_64+0x3f/0x90 [ 54.902015] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.902691] RIP: 0033:0x7f12da2830d7 [ 54.903192] 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 [ 54.905359] RSP: 002b:00007ffd35141998 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.906338] RAX: ffffffffffffffda RBX: 00007ffd35141fd8 RCX: 00007f12da2830d7 [ 54.907242] RDX: 00007f12da2ed41f RSI: 00007ffd35141930 RDI: 0000000040000000 [ 54.908131] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd35141740 [ 54.908975] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f12da395bf0 [ 54.909863] R13: 00007ffd35141a70 R14: 0000000000000000 R15: 00000000000000f8 [ 54.910769] [ 54.911083] irq event stamp: 9647 [ 54.911543] hardirqs last enabled at (9659): [] __up_console_sem+0x78/0x80 [ 54.912597] hardirqs last disabled at (9670): [] __up_console_sem+0x5d/0x80 [ 54.913655] softirqs last enabled at (8946): [] irq_exit_rcu+0x93/0xc0 [ 54.914670] softirqs last disabled at (8941): [] irq_exit_rcu+0x93/0xc0 [ 54.915699] ---[ end trace 0000000000000000 ]--- [ 54.921396] ------------[ cut here ]------------ [ 54.921992] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 54.923709] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.924776] Modules linked in: [ 54.925205] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.926352] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.927383] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.928043] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 54.930265] RSP: 0018:ffff888016077c00 EFLAGS: 00010282 [ 54.930953] RAX: 0000000000000000 RBX: ffff888008eede40 RCX: 0000000000000000 [ 54.931863] RDX: ffff88800ff53680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.932764] RBP: ffff888008eede54 R08: 0000000000000001 R09: 0000000000000000 [ 54.933669] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.934578] R13: ffffffff84e23fe0 R14: ffff888008eede48 R15: ffffffff84da7d60 [ 54.935493] FS: 00005555573d4400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.936506] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.937249] CR2: 00007ff553b396f4 CR3: 0000000015b94000 CR4: 0000000000350ee0 [ 54.938149] Call Trace: [ 54.938474] [ 54.938768] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 54.939447] ipv6_frags_init_net+0x206/0x3c0 [ 54.940011] ops_init+0xbb/0x6b0 [ 54.940492] setup_net+0x3d9/0x990 [ 54.940953] ? down_read_killable+0x1d7/0x4e0 [ 54.941555] ? __pfx_setup_net+0x10/0x10 [ 54.942065] ? copy_net_ns+0x17c/0x770 [ 54.942611] copy_net_ns+0x321/0x770 [ 54.943137] create_new_namespaces+0x3f6/0xb30 [ 54.943738] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.944394] ksys_unshare+0x44d/0x8e0 [ 54.944884] ? __pfx_ksys_unshare+0x10/0x10 [ 54.945457] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.946205] __x64_sys_unshare+0x31/0x40 [ 54.946717] do_syscall_64+0x3f/0x90 [ 54.947242] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.947882] RIP: 0033:0x7f12da2830d7 [ 54.948378] 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 [ 54.950547] RSP: 002b:00007ffd35141998 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.951533] RAX: ffffffffffffffda RBX: 00007ffd35141fd8 RCX: 00007f12da2830d7 [ 54.952418] RDX: 00007f12da2ed41f RSI: 00007ffd35141930 RDI: 0000000040000000 [ 54.953328] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd35141740 [ 54.954230] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f12da395bf0 [ 54.955131] R13: 00007ffd35141a70 R14: 0000000000000000 R15: 00000000000000f8 [ 54.956009] [ 54.956345] irq event stamp: 11507 [ 54.956781] hardirqs last enabled at (11517): [] __up_console_sem+0x78/0x80 [ 54.957847] hardirqs last disabled at (11528): [] __up_console_sem+0x5d/0x80 [ 54.958919] softirqs last enabled at (11058): [] irq_exit_rcu+0x93/0xc0 [ 54.959955] softirqs last disabled at (11053): [] irq_exit_rcu+0x93/0xc0 [ 54.960991] ---[ end trace 0000000000000000 ]--- [ 54.962338] ------------[ cut here ]------------ [ 54.962936] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 54.964794] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.965855] Modules linked in: [ 54.966299] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.967447] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.968479] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.969165] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 54.971391] RSP: 0018:ffff888016077bf0 EFLAGS: 00010286 [ 54.972039] RAX: 0000000000000000 RBX: ffff888008eed040 RCX: 0000000000000000 [ 54.972922] RDX: ffff88800ff53680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.973816] RBP: ffff888008eed054 R08: 0000000000000001 R09: 0000000000000000 [ 54.974712] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.975630] R13: ffffffff84e23fe0 R14: ffff888008eed048 R15: ffffffff84db0aa0 [ 54.976515] FS: 00005555573d4400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.977519] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.978256] CR2: 00007ff553b396f4 CR3: 0000000015b94000 CR4: 0000000000350ee0 [ 54.979169] Call Trace: [ 54.979496] [ 54.979794] nf_ct_net_init+0x224/0x3d0 [ 54.980346] ? __pfx_nf_ct_net_init+0x10/0x10 [ 54.980925] ops_init+0xbb/0x6b0 [ 54.981405] setup_net+0x3d9/0x990 [ 54.981874] ? down_read_killable+0x1d7/0x4e0 [ 54.982473] ? __pfx_setup_net+0x10/0x10 [ 54.983014] ? copy_net_ns+0x17c/0x770 [ 54.983547] copy_net_ns+0x321/0x770 [ 54.984035] create_new_namespaces+0x3f6/0xb30 [ 54.984645] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.985303] ksys_unshare+0x44d/0x8e0 [ 54.985802] ? __pfx_ksys_unshare+0x10/0x10 [ 54.986384] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.987140] __x64_sys_unshare+0x31/0x40 [ 54.987662] do_syscall_64+0x3f/0x90 [ 54.988183] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.988823] RIP: 0033:0x7f12da2830d7 [ 54.989330] 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 [ 54.991503] RSP: 002b:00007ffd35141998 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.992451] RAX: ffffffffffffffda RBX: 00007ffd35141fd8 RCX: 00007f12da2830d7 [ 54.993344] RDX: 00007f12da2ed41f RSI: 00007ffd35141930 RDI: 0000000040000000 [ 54.994241] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd35141740 [ 54.995167] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f12da395bf0 [ 54.996032] R13: 00007ffd35141a70 R14: 0000000000000000 R15: 00000000000000f8 [ 54.996948] [ 54.997278] irq event stamp: 12283 [ 54.997724] hardirqs last enabled at (12293): [] __up_console_sem+0x78/0x80 [ 54.998796] hardirqs last disabled at (12304): [] __up_console_sem+0x5d/0x80 [ 54.999862] softirqs last enabled at (12190): [] irq_exit_rcu+0x93/0xc0 [ 55.000895] softirqs last disabled at (12185): [] irq_exit_rcu+0x93/0xc0 [ 55.001925] ---[ end trace 0000000000000000 ]--- [ 56.569773] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 58.616169] Bluetooth: hci0: command 0x041b tx timeout [ 60.664172] Bluetooth: hci0: command 0x040f tx timeout executing program [ 62.712311] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 02:42:05 Registers: info registers vcpu 0 RAX=00000000000239ab RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f RFL=00000202 [-------] 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=00007f0529ae7a50 CR3=000000000ee82000 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=4611a72cb973b48d174fba9f207e1045 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=484be9d73404674c000000000013b4f8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=c815f8f666db677a00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880160775f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd 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 00005555573d4400 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=00007ff553b396f4 CR3=0000000015b94000 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