syzkaller login: [ 37.228188] sshd (217) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:50605' (ECDSA) to the list of known hosts. 2023/05/17 02:04:33 fuzzer started 2023/05/17 02:04:33 dialing manager at localhost:35573 2023/05/17 02:04:33 checking machine... 2023/05/17 02:04:33 checking revisions... [ 39.311330] kmemleak: Automatic memory scanning thread ended 2023/05/17 02:04:33 testing simple program... [ 39.382583] cgroup: Unknown subsys name 'net' [ 39.466400] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 52.365021] audit: type=1400 audit(1684289086.849:6): avc: denied { execmem } for pid=256 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 53.447904] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.450837] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.452021] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.454693] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.456530] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.458130] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.856957] ------------[ cut here ]------------ [ 53.858196] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.860250] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.861489] Modules linked in: [ 53.861898] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.863314] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.867545] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.868193] 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 [ 53.870412] RSP: 0018:ffff8880168a7c00 EFLAGS: 00010282 [ 53.871067] RAX: 0000000000000000 RBX: ffff88800e10d040 RCX: 0000000000000000 [ 53.871971] RDX: ffff88801a2a51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.872903] RBP: ffff88800e10d054 R08: 0000000000000001 R09: 0000000000000000 [ 53.873829] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.874752] R13: ffffffff84e223a0 R14: ffff88800e10d048 R15: ffffffff84d73340 [ 53.875678] FS: 0000555555fcc400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.876716] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.877493] CR2: 00007f575f7766f4 CR3: 0000000014524000 CR4: 0000000000350ee0 [ 53.878415] Call Trace: [ 53.878753] [ 53.879057] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.879720] ipv4_frags_init_net+0x269/0x440 [ 53.880292] ops_init+0xbb/0x6b0 [ 53.880814] setup_net+0x3d9/0x990 [ 53.881286] ? down_read_killable+0x1d7/0x4e0 [ 53.881899] ? __pfx_setup_net+0x10/0x10 [ 53.882453] ? copy_net_ns+0x17c/0x770 [ 53.882975] copy_net_ns+0x321/0x770 [ 53.883503] create_new_namespaces+0x3f6/0xb30 [ 53.884110] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.884792] ksys_unshare+0x44d/0x8e0 [ 53.885300] ? __pfx_ksys_unshare+0x10/0x10 [ 53.885896] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.886662] __x64_sys_unshare+0x31/0x40 [ 53.887191] do_syscall_64+0x3f/0x90 [ 53.887713] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.888405] RIP: 0033:0x7f67e56c30d7 [ 53.888894] 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 [ 53.891147] RSP: 002b:00007fff9fe4e6d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.892131] RAX: ffffffffffffffda RBX: 00007fff9fe4ed18 RCX: 00007f67e56c30d7 [ 53.893079] RDX: 00007f67e572d41f RSI: 00007fff9fe4e670 RDI: 0000000040000000 [ 53.894001] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff9fe4e480 [ 53.894917] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f67e57d5bf0 [ 53.895833] R13: 00007fff9fe4e7b0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.896781] [ 53.897095] irq event stamp: 8185 [ 53.897570] hardirqs last enabled at (8197): [] __up_console_sem+0x78/0x80 [ 53.898655] hardirqs last disabled at (8208): [] __up_console_sem+0x5d/0x80 [ 53.899754] softirqs last enabled at (8092): [] irq_exit_rcu+0x93/0xc0 [ 53.900838] softirqs last disabled at (8087): [] irq_exit_rcu+0x93/0xc0 [ 53.901914] ---[ end trace 0000000000000000 ]--- [ 53.907011] ------------[ cut here ]------------ [ 53.907645] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.909332] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.910443] Modules linked in: [ 53.910863] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.912046] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.913111] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.913810] 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 [ 53.916051] RSP: 0018:ffff8880168a7c00 EFLAGS: 00010282 [ 53.916765] RAX: 0000000000000000 RBX: ffff888010247a40 RCX: 0000000000000000 [ 53.917681] RDX: ffff88801a2a51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.918601] RBP: ffff888010247a54 R08: 0000000000000001 R09: 0000000000000000 [ 53.919524] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.920444] R13: ffffffff84e223a0 R14: ffff888010247a48 R15: ffffffff84da62e0 [ 53.921349] FS: 0000555555fcc400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.922395] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.923126] CR2: 00007f575f7766f4 CR3: 0000000014524000 CR4: 0000000000350ee0 [ 53.924046] Call Trace: [ 53.924412] [ 53.924731] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.925391] ipv6_frags_init_net+0x206/0x3c0 [ 53.925972] ops_init+0xbb/0x6b0 [ 53.926465] setup_net+0x3d9/0x990 [ 53.926935] ? down_read_killable+0x1d7/0x4e0 [ 53.927549] ? __pfx_setup_net+0x10/0x10 [ 53.928072] ? copy_net_ns+0x17c/0x770 [ 53.928624] copy_net_ns+0x321/0x770 [ 53.929146] create_new_namespaces+0x3f6/0xb30 [ 53.929789] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.930460] ksys_unshare+0x44d/0x8e0 [ 53.930965] ? __pfx_ksys_unshare+0x10/0x10 [ 53.931563] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.932299] __x64_sys_unshare+0x31/0x40 [ 53.932880] do_syscall_64+0x3f/0x90 [ 53.933399] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.934068] RIP: 0033:0x7f67e56c30d7 [ 53.934579] 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 [ 53.936861] RSP: 002b:00007fff9fe4e6d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.937842] RAX: ffffffffffffffda RBX: 00007fff9fe4ed18 RCX: 00007f67e56c30d7 [ 53.938764] RDX: 00007f67e572d41f RSI: 00007fff9fe4e670 RDI: 0000000040000000 [ 53.939686] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff9fe4e480 [ 53.940607] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f67e57d5bf0 [ 53.941556] R13: 00007fff9fe4e7b0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.942494] [ 53.942808] irq event stamp: 9987 [ 53.943245] hardirqs last enabled at (9997): [] __up_console_sem+0x78/0x80 [ 53.944333] hardirqs last disabled at (10008): [] __up_console_sem+0x5d/0x80 [ 53.945457] softirqs last enabled at (9294): [] irq_exit_rcu+0x93/0xc0 [ 53.946518] softirqs last disabled at (9251): [] irq_exit_rcu+0x93/0xc0 [ 53.947584] ---[ end trace 0000000000000000 ]--- [ 53.948958] ------------[ cut here ]------------ [ 53.949588] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.951560] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.952659] Modules linked in: [ 53.953096] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.954300] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.955348] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.956035] 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 [ 53.958278] RSP: 0018:ffff8880168a7bf0 EFLAGS: 00010286 [ 53.958987] RAX: 0000000000000000 RBX: ffff888010247040 RCX: 0000000000000000 [ 53.959922] RDX: ffff88801a2a51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.960874] RBP: ffff888010247054 R08: 0000000000000001 R09: 0000000000000000 [ 53.961789] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.962704] R13: ffffffff84e223a0 R14: ffff888010247048 R15: ffffffff84daf020 [ 53.963626] FS: 0000555555fcc400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.964652] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.965426] CR2: 00007f575f7766f4 CR3: 0000000014524000 CR4: 0000000000350ee0 [ 53.966311] Call Trace: [ 53.966691] [ 53.967010] nf_ct_net_init+0x224/0x3d0 [ 53.967569] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.968160] ops_init+0xbb/0x6b0 [ 53.968645] setup_net+0x3d9/0x990 [ 53.969138] ? down_read_killable+0x1d7/0x4e0 [ 53.969751] ? __pfx_setup_net+0x10/0x10 [ 53.970275] ? copy_net_ns+0x17c/0x770 [ 53.970827] copy_net_ns+0x321/0x770 [ 53.971325] create_new_namespaces+0x3f6/0xb30 [ 53.971954] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.972616] ksys_unshare+0x44d/0x8e0 [ 53.973135] ? __pfx_ksys_unshare+0x10/0x10 [ 53.973724] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.974486] __x64_sys_unshare+0x31/0x40 [ 53.975019] do_syscall_64+0x3f/0x90 [ 53.975536] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.976193] RIP: 0033:0x7f67e56c30d7 [ 53.976717] 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 [ 53.978969] RSP: 002b:00007fff9fe4e6d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.979947] RAX: ffffffffffffffda RBX: 00007fff9fe4ed18 RCX: 00007f67e56c30d7 [ 53.980883] RDX: 00007f67e572d41f RSI: 00007fff9fe4e670 RDI: 0000000040000000 [ 53.981800] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff9fe4e480 [ 53.982722] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f67e57d5bf0 [ 53.983641] R13: 00007fff9fe4e7b0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.984590] [ 53.984908] irq event stamp: 10755 [ 53.985352] hardirqs last enabled at (10765): [] __up_console_sem+0x78/0x80 [ 53.986476] hardirqs last disabled at (10778): [] __up_console_sem+0x5d/0x80 [ 53.987583] softirqs last enabled at (10356): [] irq_exit_rcu+0x93/0xc0 [ 53.988654] softirqs last disabled at (10347): [] irq_exit_rcu+0x93/0xc0 [ 53.989742] ---[ end trace 0000000000000000 ]--- executing program [ 55.528125] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 57.575515] Bluetooth: hci0: command 0x041b tx timeout [ 59.623435] Bluetooth: hci0: command 0x040f tx timeout executing program [ 61.671434] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 02:04:47 Registers: info registers vcpu 0 RAX=000000000002f993 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=00007f1f48b33210 CR3=000000000e01a000 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=ebe35d9cc7976a8a494c0a8a507af4c1 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d35f14e95510c1f600000000001117d0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=4f89c4f88295407300000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000061 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880168a7618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000061 R11=0000000000000001 R12=0000000000000061 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 0000555555fcc400 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=00007f575f7766f4 CR3=0000000014524000 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