syzkaller login: [ 59.440866] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:42199' (ECDSA) to the list of known hosts. 2023/05/17 01:04:40 fuzzer started 2023/05/17 01:04:40 dialing manager at localhost:35573 2023/05/17 01:04:40 checking machine... 2023/05/17 01:04:40 checking revisions... [ 60.686238] kmemleak: Automatic memory scanning thread ended 2023/05/17 01:04:40 testing simple program... [ 60.766205] cgroup: Unknown subsys name 'net' [ 60.851748] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 72.514927] audit: type=1400 audit(1684285492.621:6): 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 executing program [ 73.620424] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 73.623098] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 73.624362] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 73.627855] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 73.630002] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 73.631462] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 74.004504] ------------[ cut here ]------------ [ 74.005657] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 74.007776] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 74.009060] Modules linked in: [ 74.009575] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 74.014277] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 74.015283] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 74.015925] 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 [ 74.018106] RSP: 0018:ffff88801e907c00 EFLAGS: 00010282 [ 74.018806] RAX: 0000000000000000 RBX: ffff888008d5dc40 RCX: 0000000000000000 [ 74.019702] RDX: ffff888016c48000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 74.020599] RBP: ffff888008d5dc54 R08: 0000000000000001 R09: 0000000000000000 [ 74.021486] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 74.022375] R13: ffffffff84e223a0 R14: ffff888008d5dc48 R15: ffffffff84d73340 [ 74.023265] FS: 000055555727e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 74.024269] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.024986] CR2: 00007fef26fc91f0 CR3: 000000000ca2a000 CR4: 0000000000350ee0 [ 74.025872] Call Trace: [ 74.026229] [ 74.026528] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 74.027128] ipv4_frags_init_net+0x269/0x440 [ 74.027715] ops_init+0xbb/0x6b0 [ 74.028180] setup_net+0x3d9/0x990 [ 74.028651] ? down_read_killable+0x1d7/0x4e0 [ 74.029247] ? __pfx_setup_net+0x10/0x10 [ 74.029760] ? copy_net_ns+0x17c/0x770 [ 74.030294] copy_net_ns+0x321/0x770 [ 74.030771] create_new_namespaces+0x3f6/0xb30 [ 74.031378] unshare_nsproxy_namespaces+0xc1/0x200 [ 74.031990] ksys_unshare+0x44d/0x8e0 [ 74.032519] ? __pfx_ksys_unshare+0x10/0x10 [ 74.033063] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 74.033790] __x64_sys_unshare+0x31/0x40 [ 74.034329] do_syscall_64+0x3f/0x90 [ 74.034803] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 74.035465] RIP: 0033:0x7f5fa0b6b0d7 [ 74.035929] 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 [ 74.038105] RSP: 002b:00007fff97d90358 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 74.039049] RAX: ffffffffffffffda RBX: 00007fff97d90998 RCX: 00007f5fa0b6b0d7 [ 74.039929] RDX: 00007f5fa0bd541f RSI: 00007fff97d902f0 RDI: 0000000040000000 [ 74.040815] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff97d90100 [ 74.041689] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f5fa0c7dbf0 [ 74.042563] R13: 00007fff97d90430 R14: 0000000000000000 R15: 00000000000000f8 [ 74.043466] [ 74.043771] irq event stamp: 7815 [ 74.044226] hardirqs last enabled at (7827): [] __up_console_sem+0x78/0x80 [ 74.045280] hardirqs last disabled at (7838): [] __up_console_sem+0x5d/0x80 [ 74.046326] softirqs last enabled at (7740): [] irq_exit_rcu+0x93/0xc0 [ 74.047346] softirqs last disabled at (7735): [] irq_exit_rcu+0x93/0xc0 [ 74.048367] ---[ end trace 0000000000000000 ]--- [ 74.053533] ------------[ cut here ]------------ [ 74.054131] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 74.055791] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 74.056884] Modules linked in: [ 74.057324] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 74.058461] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 74.059466] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 74.060110] 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 [ 74.062301] RSP: 0018:ffff88801e907c00 EFLAGS: 00010282 [ 74.062950] RAX: 0000000000000000 RBX: ffff88800dbaf840 RCX: 0000000000000000 [ 74.063840] RDX: ffff888016c48000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 74.064747] RBP: ffff88800dbaf854 R08: 0000000000000001 R09: 0000000000000000 [ 74.065618] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 74.066497] R13: ffffffff84e223a0 R14: ffff88800dbaf848 R15: ffffffff84da62e0 [ 74.067392] FS: 000055555727e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 74.068390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.069119] CR2: 00007fef26fc91f0 CR3: 000000000ca2a000 CR4: 0000000000350ee0 [ 74.070004] Call Trace: [ 74.070367] [ 74.070669] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 74.071301] ipv6_frags_init_net+0x206/0x3c0 [ 74.071850] ops_init+0xbb/0x6b0 [ 74.072322] setup_net+0x3d9/0x990 [ 74.072779] ? down_read_killable+0x1d7/0x4e0 [ 74.073360] ? __pfx_setup_net+0x10/0x10 [ 74.073861] ? copy_net_ns+0x17c/0x770 [ 74.074390] copy_net_ns+0x321/0x770 [ 74.074863] create_new_namespaces+0x3f6/0xb30 [ 74.075470] unshare_nsproxy_namespaces+0xc1/0x200 [ 74.076075] ksys_unshare+0x44d/0x8e0 [ 74.076604] ? __pfx_ksys_unshare+0x10/0x10 [ 74.077143] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 74.077881] __x64_sys_unshare+0x31/0x40 [ 74.078425] do_syscall_64+0x3f/0x90 [ 74.078895] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 74.079553] RIP: 0033:0x7f5fa0b6b0d7 [ 74.080013] 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 [ 74.082174] RSP: 002b:00007fff97d90358 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 74.083084] RAX: ffffffffffffffda RBX: 00007fff97d90998 RCX: 00007f5fa0b6b0d7 [ 74.083970] RDX: 00007f5fa0bd541f RSI: 00007fff97d902f0 RDI: 0000000040000000 [ 74.084866] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff97d90100 [ 74.085743] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f5fa0c7dbf0 [ 74.086627] R13: 00007fff97d90430 R14: 0000000000000000 R15: 00000000000000f8 [ 74.087533] [ 74.087833] irq event stamp: 9583 [ 74.088277] hardirqs last enabled at (9595): [] __up_console_sem+0x78/0x80 [ 74.089335] hardirqs last disabled at (9606): [] __up_console_sem+0x5d/0x80 [ 74.090384] softirqs last enabled at (8706): [] irq_exit_rcu+0x93/0xc0 [ 74.091406] softirqs last disabled at (8665): [] irq_exit_rcu+0x93/0xc0 [ 74.092420] ---[ end trace 0000000000000000 ]--- [ 74.093748] ------------[ cut here ]------------ [ 74.094399] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 74.096287] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 74.097347] Modules linked in: [ 74.097751] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 74.098907] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 74.099907] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 74.100596] 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 [ 74.102748] RSP: 0018:ffff88801e907bf0 EFLAGS: 00010286 [ 74.103428] RAX: 0000000000000000 RBX: ffff88800dbaf240 RCX: 0000000000000000 [ 74.104307] RDX: ffff888016c48000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 74.105219] RBP: ffff88800dbaf254 R08: 0000000000000001 R09: 0000000000000000 [ 74.106067] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 74.106938] R13: ffffffff84e223a0 R14: ffff88800dbaf248 R15: ffffffff84daf020 [ 74.107823] FS: 000055555727e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 74.108817] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.109554] CR2: 00007fef26fc91f0 CR3: 000000000ca2a000 CR4: 0000000000350ee0 [ 74.110442] Call Trace: [ 74.110767] [ 74.111068] nf_ct_net_init+0x224/0x3d0 [ 74.111606] ? __pfx_nf_ct_net_init+0x10/0x10 [ 74.112211] ops_init+0xbb/0x6b0 [ 74.112672] setup_net+0x3d9/0x990 [ 74.113222] ? down_read_killable+0x1d7/0x4e0 [ 74.113808] ? __pfx_setup_net+0x10/0x10 [ 74.114379] ? copy_net_ns+0x17c/0x770 [ 74.114888] copy_net_ns+0x321/0x770 [ 74.115422] create_new_namespaces+0x3f6/0xb30 [ 74.116015] unshare_nsproxy_namespaces+0xc1/0x200 [ 74.116724] ksys_unshare+0x44d/0x8e0 [ 74.117269] ? __pfx_ksys_unshare+0x10/0x10 [ 74.117845] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 74.118590] __x64_sys_unshare+0x31/0x40 [ 74.119099] do_syscall_64+0x3f/0x90 [ 74.119593] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 74.120254] RIP: 0033:0x7f5fa0b6b0d7 [ 74.120733] 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 [ 74.122896] RSP: 002b:00007fff97d90358 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 74.123893] RAX: ffffffffffffffda RBX: 00007fff97d90998 RCX: 00007f5fa0b6b0d7 [ 74.124838] RDX: 00007f5fa0bd541f RSI: 00007fff97d902f0 RDI: 0000000040000000 [ 74.125765] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff97d90100 [ 74.126714] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f5fa0c7dbf0 [ 74.127630] R13: 00007fff97d90430 R14: 0000000000000000 R15: 00000000000000f8 [ 74.128582] [ 74.128892] irq event stamp: 10389 [ 74.129388] hardirqs last enabled at (10401): [] __up_console_sem+0x78/0x80 [ 74.130489] hardirqs last disabled at (10412): [] __up_console_sem+0x5d/0x80 [ 74.131614] softirqs last enabled at (9962): [] irq_exit_rcu+0x93/0xc0 [ 74.132712] softirqs last disabled at (9957): [] irq_exit_rcu+0x93/0xc0 [ 74.133781] ---[ end trace 0000000000000000 ]--- executing program [ 75.704624] Bluetooth: hci0: command 0x0409 tx timeout [ 77.751428] Bluetooth: hci0: command 0x041b tx timeout executing program [ 79.799242] Bluetooth: hci0: command 0x040f tx timeout executing program [ 81.847220] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 01:04:37 Registers: info registers vcpu 0 RAX=0000000000020939 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=00007f65567aead0 CR3=000000000d3dc000 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=3d0f204b9f0902b45c438d9d8428c048 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=664967ebeebe55fe000000000013d500 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=d21224a7cec57bf200000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00002000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801e9075f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 000055555727e400 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=00007fef26fc91f0 CR3=000000000ca2a000 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