syzkaller login: [ 46.744448] sshd (224) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:44209' (ECDSA) to the list of known hosts. 2023/05/18 01:02:09 fuzzer started 2023/05/18 01:02:10 dialing manager at localhost:44319 2023/05/18 01:02:10 checking machine... 2023/05/18 01:02:10 checking revisions... [ 47.930683] kmemleak: Automatic memory scanning thread ended 2023/05/18 01:02:10 testing simple program... [ 47.988931] cgroup: Unknown subsys name 'net' [ 48.083505] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 61.076586] audit: type=1400 audit(1684371743.471:6): 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 [ 62.237790] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 62.239762] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 62.241811] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 62.252723] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 62.259914] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 62.261141] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 62.638939] ------------[ cut here ]------------ [ 62.639733] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 62.642192] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 62.643469] Modules linked in: [ 62.643954] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 62.648842] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 62.649853] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 62.650524] 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 [ 62.652668] RSP: 0018:ffff888019d27c00 EFLAGS: 00010282 [ 62.653368] RAX: 0000000000000000 RBX: ffff88800f823c40 RCX: 0000000000000000 [ 62.654251] RDX: ffff8880158a3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 62.655125] RBP: ffff88800f823c54 R08: 0000000000000001 R09: 0000000000000000 [ 62.655970] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 62.656851] R13: ffffffff84e23fe0 R14: ffff88800f823c48 R15: ffffffff84d74dc0 [ 62.657752] FS: 00005555557c5400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 62.658730] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.659463] CR2: 00007f56f0c3c000 CR3: 0000000019d56000 CR4: 0000000000350ef0 [ 62.660335] Call Trace: [ 62.660657] [ 62.660949] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 62.661601] ipv4_frags_init_net+0x269/0x440 [ 62.662181] ops_init+0xbb/0x6b0 [ 62.662627] setup_net+0x3d9/0x990 [ 62.663108] ? down_read_killable+0x1d7/0x4e0 [ 62.663672] ? __pfx_setup_net+0x10/0x10 [ 62.664205] ? copy_net_ns+0x17c/0x770 [ 62.664706] copy_net_ns+0x321/0x770 [ 62.665214] create_new_namespaces+0x3f6/0xb30 [ 62.665792] unshare_nsproxy_namespaces+0xc1/0x200 [ 62.666424] ksys_unshare+0x44d/0x8e0 [ 62.666917] ? __pfx_ksys_unshare+0x10/0x10 [ 62.667483] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 62.668217] __x64_sys_unshare+0x31/0x40 [ 62.668734] do_syscall_64+0x3f/0x90 [ 62.669253] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 62.669890] RIP: 0033:0x7f84453900d7 [ 62.670376] 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 [ 62.672511] RSP: 002b:00007ffd89e56ca8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 62.673458] RAX: ffffffffffffffda RBX: 00007ffd89e572e8 RCX: 00007f84453900d7 [ 62.674334] RDX: 00007f84453fa41f RSI: 00007ffd89e56c40 RDI: 0000000040000000 [ 62.675207] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd89e56a50 [ 62.676085] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f84454a2bf0 [ 62.676938] R13: 00007ffd89e56d80 R14: 0000000000000000 R15: 00000000000000f8 [ 62.677856] [ 62.678181] irq event stamp: 8793 [ 62.678599] hardirqs last enabled at (8803): [] __up_console_sem+0x78/0x80 [ 62.679637] hardirqs last disabled at (8814): [] __up_console_sem+0x5d/0x80 [ 62.680675] softirqs last enabled at (8730): [] irq_exit_rcu+0x93/0xc0 [ 62.681701] softirqs last disabled at (8725): [] irq_exit_rcu+0x93/0xc0 [ 62.682714] ---[ end trace 0000000000000000 ]--- [ 62.687609] ------------[ cut here ]------------ [ 62.688219] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 62.689847] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 62.690905] Modules linked in: [ 62.691334] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 62.692492] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 62.693503] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 62.694169] 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 [ 62.696330] RSP: 0018:ffff888019d27c00 EFLAGS: 00010282 [ 62.697002] RAX: 0000000000000000 RBX: ffff88800d71e440 RCX: 0000000000000000 [ 62.697868] RDX: ffff8880158a3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 62.698755] RBP: ffff88800d71e454 R08: 0000000000000001 R09: 0000000000000000 [ 62.699635] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 62.700515] R13: ffffffff84e23fe0 R14: ffff88800d71e448 R15: ffffffff84da7d60 [ 62.701408] FS: 00005555557c5400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 62.702394] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.703134] CR2: 00007f56f0c3c000 CR3: 0000000019d56000 CR4: 0000000000350ef0 [ 62.704015] Call Trace: [ 62.704339] [ 62.704635] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 62.705286] ipv6_frags_init_net+0x206/0x3c0 [ 62.705842] ops_init+0xbb/0x6b0 [ 62.706313] setup_net+0x3d9/0x990 [ 62.706774] ? down_read_killable+0x1d7/0x4e0 [ 62.707360] ? __pfx_setup_net+0x10/0x10 [ 62.707869] ? copy_net_ns+0x17c/0x770 [ 62.708398] copy_net_ns+0x321/0x770 [ 62.708876] create_new_namespaces+0x3f6/0xb30 [ 62.709502] unshare_nsproxy_namespaces+0xc1/0x200 [ 62.710146] ksys_unshare+0x44d/0x8e0 [ 62.710628] ? __pfx_ksys_unshare+0x10/0x10 [ 62.711192] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 62.711895] __x64_sys_unshare+0x31/0x40 [ 62.712433] do_syscall_64+0x3f/0x90 [ 62.712904] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 62.713577] RIP: 0033:0x7f84453900d7 [ 62.714066] 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 [ 62.716215] RSP: 002b:00007ffd89e56ca8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 62.717171] RAX: ffffffffffffffda RBX: 00007ffd89e572e8 RCX: 00007f84453900d7 [ 62.718063] RDX: 00007f84453fa41f RSI: 00007ffd89e56c40 RDI: 0000000040000000 [ 62.718920] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd89e56a50 [ 62.719802] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f84454a2bf0 [ 62.720675] R13: 00007ffd89e56d80 R14: 0000000000000000 R15: 00000000000000f8 [ 62.721582] [ 62.721887] irq event stamp: 10539 [ 62.722352] hardirqs last enabled at (10551): [] __up_console_sem+0x78/0x80 [ 62.723419] hardirqs last disabled at (10562): [] __up_console_sem+0x5d/0x80 [ 62.724488] softirqs last enabled at (9454): [] netlink_insert+0x187/0x1820 [ 62.725577] softirqs last disabled at (9452): [] release_sock+0x1f/0x1b0 [ 62.726604] ---[ end trace 0000000000000000 ]--- [ 62.727889] ------------[ cut here ]------------ [ 62.728506] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 62.730395] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 62.731463] Modules linked in: [ 62.731870] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 62.733018] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 62.734027] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 62.734667] 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 [ 62.736854] RSP: 0018:ffff888019d27bf0 EFLAGS: 00010286 [ 62.737559] RAX: 0000000000000000 RBX: ffff88800d71fa40 RCX: 0000000000000000 [ 62.738445] RDX: ffff8880158a3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 62.739322] RBP: ffff88800d71fa54 R08: 0000000000000001 R09: 0000000000000000 [ 62.740208] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 62.741090] R13: ffffffff84e23fe0 R14: ffff88800d71fa48 R15: ffffffff84db0aa0 [ 62.741961] FS: 00005555557c5400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 62.742946] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.743675] CR2: 00007f56f0c3c000 CR3: 0000000019d56000 CR4: 0000000000350ef0 [ 62.744554] Call Trace: [ 62.744877] [ 62.745211] nf_ct_net_init+0x224/0x3d0 [ 62.745736] ? __pfx_nf_ct_net_init+0x10/0x10 [ 62.746340] ops_init+0xbb/0x6b0 [ 62.746788] setup_net+0x3d9/0x990 [ 62.747269] ? down_read_killable+0x1d7/0x4e0 [ 62.747833] ? __pfx_setup_net+0x10/0x10 [ 62.748365] ? copy_net_ns+0x17c/0x770 [ 62.748867] copy_net_ns+0x321/0x770 [ 62.749407] create_new_namespaces+0x3f6/0xb30 [ 62.750030] unshare_nsproxy_namespaces+0xc1/0x200 [ 62.750638] ksys_unshare+0x44d/0x8e0 [ 62.751158] ? __pfx_ksys_unshare+0x10/0x10 [ 62.751699] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 62.752436] __x64_sys_unshare+0x31/0x40 [ 62.752952] do_syscall_64+0x3f/0x90 [ 62.753471] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 62.754138] RIP: 0033:0x7f84453900d7 [ 62.754598] 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 [ 62.756747] RSP: 002b:00007ffd89e56ca8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 62.757695] RAX: ffffffffffffffda RBX: 00007ffd89e572e8 RCX: 00007f84453900d7 [ 62.758616] RDX: 00007f84453fa41f RSI: 00007ffd89e56c40 RDI: 0000000040000000 [ 62.759491] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd89e56a50 [ 62.760379] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f84454a2bf0 [ 62.761282] R13: 00007ffd89e56d80 R14: 0000000000000000 R15: 00000000000000f8 [ 62.762187] [ 62.762482] irq event stamp: 11297 [ 62.762917] hardirqs last enabled at (11307): [] __up_console_sem+0x78/0x80 [ 62.763996] hardirqs last disabled at (11320): [] __up_console_sem+0x5d/0x80 [ 62.765055] softirqs last enabled at (10888): [] irq_exit_rcu+0x93/0xc0 [ 62.766094] softirqs last disabled at (10883): [] irq_exit_rcu+0x93/0xc0 [ 62.767132] ---[ end trace 0000000000000000 ]--- executing program [ 64.325721] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 66.373069] Bluetooth: hci0: command 0x041b tx timeout [ 68.421105] Bluetooth: hci0: command 0x040f tx timeout executing program [ 70.469046] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 01:02:21 Registers: info registers vcpu 0 RAX=0000000000000054 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888019d275f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000054 R11=0000000000000001 R12=0000000000000054 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 00005555557c5400 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=00007f56f0c3c000 CR3=0000000019d56000 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=41235509ff99f4b691420fb196e06902 XMM02=00000000000fcb10a3797342f9eb3dd9 XMM03=00000000000fcd8868a8aee3740b9fad XMM04=acd2bca8502b051e00000000000ae988 XMM05=b462cd920637ba02000000000013b720 XMM06=6098c19552daab49000000000011d0c0 XMM07=ea899072da79512f00000000000fcd88 XMM08=d12871896912de2d00000000000fcb10 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020002000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffed10011b9f9f RBX=1ffff110011b9f9f RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff8540f248 RBP=0000000000000001 RSP=ffff888008dcfce8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=0000000000000002 R13=0000000000000000 R14=ffffffff8540f248 R15=0000000000000000 RIP=ffffffff812d746f RFL=00000086 [--S--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 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=00007f56f0b80190 CR3=0000000016464000 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=41235509ff99f4b691420fb196e06902 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=34a44b7e4073ae52000000000013c740 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=acd2bca8502b051e00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020002000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000