Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:10660' (ECDSA) to the list of known hosts. 2023/05/16 14:10:42 fuzzer started 2023/05/16 14:10:43 dialing manager at localhost:35573 2023/05/16 14:10:43 checking machine... 2023/05/16 14:10:43 checking revisions... syzkaller login: [ 37.441075] kmemleak: Automatic memory scanning thread ended 2023/05/16 14:10:43 testing simple program... [ 37.526176] cgroup: Unknown subsys name 'net' [ 37.609474] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.551955] audit: type=1400 audit(1684246255.469:6): avc: denied { execmem } for pid=257 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 50.657270] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.659858] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.661270] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.665206] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.667698] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.668947] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.050527] ------------[ cut here ]------------ [ 51.051303] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.053195] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.054428] Modules linked in: [ 51.054930] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.059784] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.061029] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.061892] 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 [ 51.064599] RSP: 0018:ffff888016ae7c00 EFLAGS: 00010282 [ 51.065418] RAX: 0000000000000000 RBX: ffff8880165bdc40 RCX: 0000000000000000 [ 51.066512] RDX: ffff888016af0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.067633] RBP: ffff8880165bdc54 R08: 0000000000000001 R09: 0000000000000000 [ 51.068648] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.069511] R13: ffffffff84e223a0 R14: ffff8880165bdc48 R15: ffffffff84d73340 [ 51.070400] FS: 000055555580b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.071417] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.072156] CR2: 00007fa8162ac6f4 CR3: 000000000f140000 CR4: 0000000000350ee0 [ 51.073080] Call Trace: [ 51.073434] [ 51.073766] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.074390] ipv4_frags_init_net+0x269/0x440 [ 51.074968] ops_init+0xbb/0x6b0 [ 51.075419] setup_net+0x3d9/0x990 [ 51.075902] ? down_read_killable+0x1d7/0x4e0 [ 51.076476] ? __pfx_setup_net+0x10/0x10 [ 51.077002] ? copy_net_ns+0x17c/0x770 [ 51.077537] copy_net_ns+0x321/0x770 [ 51.078047] create_new_namespaces+0x3f6/0xb30 [ 51.078673] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.079288] ksys_unshare+0x44d/0x8e0 [ 51.079823] ? __pfx_ksys_unshare+0x10/0x10 [ 51.080382] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.081107] __x64_sys_unshare+0x31/0x40 [ 51.081680] do_syscall_64+0x3f/0x90 [ 51.082142] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.082817] RIP: 0033:0x7f6688a310d7 [ 51.083298] 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 [ 51.085484] RSP: 002b:00007ffc7b6dff28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.086432] RAX: ffffffffffffffda RBX: 00007ffc7b6e0568 RCX: 00007f6688a310d7 [ 51.087308] RDX: 00007f6688a9b41f RSI: 00007ffc7b6dfec0 RDI: 0000000040000000 [ 51.088212] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc7b6dfcd0 [ 51.089098] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f6688b43bf0 [ 51.090001] R13: 00007ffc7b6e0000 R14: 0000000000000000 R15: 00000000000000f8 [ 51.090914] [ 51.091215] irq event stamp: 8589 [ 51.091690] hardirqs last enabled at (8601): [] __up_console_sem+0x78/0x80 [ 51.092756] hardirqs last disabled at (8612): [] __up_console_sem+0x5d/0x80 [ 51.093834] softirqs last enabled at (8274): [] irq_exit_rcu+0x93/0xc0 [ 51.094851] softirqs last disabled at (8269): [] irq_exit_rcu+0x93/0xc0 [ 51.095891] ---[ end trace 0000000000000000 ]--- [ 51.102640] ------------[ cut here ]------------ [ 51.103217] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.104989] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.106060] Modules linked in: [ 51.106478] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.107646] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.108675] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.109330] 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 [ 51.111936] RSP: 0018:ffff888016ae7c00 EFLAGS: 00010282 [ 51.112718] RAX: 0000000000000000 RBX: ffff88800e154a40 RCX: 0000000000000000 [ 51.113662] RDX: ffff888016af0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.114509] RBP: ffff88800e154a54 R08: 0000000000000001 R09: 0000000000000000 [ 51.115394] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.116296] R13: ffffffff84e223a0 R14: ffff88800e154a48 R15: ffffffff84da62e0 [ 51.117170] FS: 000055555580b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.118162] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.118907] CR2: 00007fa8162ac6f4 CR3: 000000000f140000 CR4: 0000000000350ee0 [ 51.119817] Call Trace: [ 51.120138] [ 51.120444] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.121074] ipv6_frags_init_net+0x206/0x3c0 [ 51.121691] ops_init+0xbb/0x6b0 [ 51.122124] setup_net+0x3d9/0x990 [ 51.122608] ? down_read_killable+0x1d7/0x4e0 [ 51.123162] ? __pfx_setup_net+0x10/0x10 [ 51.123715] ? copy_net_ns+0x17c/0x770 [ 51.124220] copy_net_ns+0x321/0x770 [ 51.124729] create_new_namespaces+0x3f6/0xb30 [ 51.125336] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.125976] ksys_unshare+0x44d/0x8e0 [ 51.126471] ? __pfx_ksys_unshare+0x10/0x10 [ 51.127150] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.127952] __x64_sys_unshare+0x31/0x40 [ 51.128495] do_syscall_64+0x3f/0x90 [ 51.129004] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.129712] RIP: 0033:0x7f6688a310d7 [ 51.130174] 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 [ 51.132416] RSP: 002b:00007ffc7b6dff28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.133425] RAX: ffffffffffffffda RBX: 00007ffc7b6e0568 RCX: 00007f6688a310d7 [ 51.134379] RDX: 00007f6688a9b41f RSI: 00007ffc7b6dfec0 RDI: 0000000040000000 [ 51.135300] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc7b6dfcd0 [ 51.136244] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f6688b43bf0 [ 51.137150] R13: 00007ffc7b6e0000 R14: 0000000000000000 R15: 00000000000000f8 [ 51.138122] [ 51.138441] irq event stamp: 11639 [ 51.138922] hardirqs last enabled at (11651): [] __up_console_sem+0x78/0x80 [ 51.140042] hardirqs last disabled at (11662): [] __up_console_sem+0x5d/0x80 [ 51.141141] softirqs last enabled at (11150): [] irq_exit_rcu+0x93/0xc0 [ 51.142265] softirqs last disabled at (11145): [] irq_exit_rcu+0x93/0xc0 [ 51.143339] ---[ end trace 0000000000000000 ]--- [ 51.144782] ------------[ cut here ]------------ [ 51.145413] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.147466] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.148520] Modules linked in: [ 51.148937] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.150100] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.151101] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.151787] 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 [ 51.153937] RSP: 0018:ffff888016ae7bf0 EFLAGS: 00010286 [ 51.154623] RAX: 0000000000000000 RBX: ffff88800e154040 RCX: 0000000000000000 [ 51.155483] RDX: ffff888016af0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.156386] RBP: ffff88800e154054 R08: 0000000000000001 R09: 0000000000000000 [ 51.157260] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.158145] R13: ffffffff84e223a0 R14: ffff88800e154048 R15: ffffffff84daf020 [ 51.159033] FS: 000055555580b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.160037] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.160769] CR2: 00007fa8162ac6f4 CR3: 000000000f140000 CR4: 0000000000350ee0 [ 51.161674] Call Trace: [ 51.161992] [ 51.162299] nf_ct_net_init+0x224/0x3d0 [ 51.162828] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.163408] ops_init+0xbb/0x6b0 [ 51.163894] setup_net+0x3d9/0x990 [ 51.164350] ? down_read_killable+0x1d7/0x4e0 [ 51.164932] ? __pfx_setup_net+0x10/0x10 [ 51.165458] ? copy_net_ns+0x17c/0x770 [ 51.165987] copy_net_ns+0x321/0x770 [ 51.166474] create_new_namespaces+0x3f6/0xb30 [ 51.167074] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.167740] ksys_unshare+0x44d/0x8e0 [ 51.168231] ? __pfx_ksys_unshare+0x10/0x10 [ 51.168806] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.169534] __x64_sys_unshare+0x31/0x40 [ 51.170075] do_syscall_64+0x3f/0x90 [ 51.170589] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.171221] RIP: 0033:0x7f6688a310d7 [ 51.171732] 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 [ 51.173870] RSP: 002b:00007ffc7b6dff28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.174807] RAX: ffffffffffffffda RBX: 00007ffc7b6e0568 RCX: 00007f6688a310d7 [ 51.175712] RDX: 00007f6688a9b41f RSI: 00007ffc7b6dfec0 RDI: 0000000040000000 [ 51.176611] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc7b6dfcd0 [ 51.177472] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f6688b43bf0 [ 51.178359] R13: 00007ffc7b6e0000 R14: 0000000000000000 R15: 00000000000000f8 [ 51.179269] [ 51.179596] irq event stamp: 12451 [ 51.180027] hardirqs last enabled at (12461): [] __up_console_sem+0x78/0x80 [ 51.181066] hardirqs last disabled at (12472): [] __up_console_sem+0x5d/0x80 [ 51.182139] softirqs last enabled at (12290): [] irq_exit_rcu+0x93/0xc0 [ 51.183161] softirqs last disabled at (12285): [] irq_exit_rcu+0x93/0xc0 [ 51.184237] ---[ end trace 0000000000000000 ]--- executing program [ 52.737590] Bluetooth: hci0: command 0x0409 tx timeout [ 54.784688] Bluetooth: hci0: command 0x041b tx timeout executing program [ 56.833962] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.880682] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 14:10:55 Registers: info registers vcpu 0 RAX=000000000001eff5 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=00007fb0742eaa80 CR3=000000000e5f0000 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=f943135554a698a6e044375b73bbcaf4 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=fa0ffe4041e8fc4e000000000013c298 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=315dea14f8019a7100000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000054 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888016ae75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000054 R11=0000000000000001 R12=0000000000000054 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 000055555580b400 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=00007fa8162ac6f4 CR3=000000000f140000 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