Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:55060' (ECDSA) to the list of known hosts. 2023/05/16 20:22:11 fuzzer started 2023/05/16 20:22:11 dialing manager at localhost:35573 2023/05/16 20:22:11 checking machine... 2023/05/16 20:22:11 checking revisions... syzkaller login: [ 51.894070] kmemleak: Automatic memory scanning thread ended 2023/05/16 20:22:11 testing simple program... [ 51.972342] cgroup: Unknown subsys name 'net' [ 52.063345] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 64.985151] audit: type=1400 audit(1684268544.864:6): avc: denied { execmem } for pid=265 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 66.103898] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 66.105603] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 66.107875] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 66.110642] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 66.112659] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 66.114243] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 66.533733] ------------[ cut here ]------------ [ 66.535097] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 66.537631] WARNING: CPU: 1 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 66.539083] Modules linked in: [ 66.539550] CPU: 1 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 66.544703] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 66.545942] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 66.546747] 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 [ 66.549446] RSP: 0018:ffff88801865fc00 EFLAGS: 00010282 [ 66.550278] RAX: 0000000000000000 RBX: ffff88800ec47c40 RCX: 0000000000000000 [ 66.551338] RDX: ffff888016e6d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 66.552419] RBP: ffff88800ec47c54 R08: 0000000000000001 R09: 0000000000000000 [ 66.553517] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 66.554604] R13: ffffffff84e223a0 R14: ffff88800ec47c48 R15: ffffffff84d73340 [ 66.555697] FS: 0000555556a25400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 66.556930] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.557816] CR2: 00007f441de126f4 CR3: 000000001e8ee000 CR4: 0000000000350ee0 [ 66.558912] Call Trace: [ 66.559298] [ 66.559656] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 66.560450] ipv4_frags_init_net+0x269/0x440 [ 66.561180] ops_init+0xbb/0x6b0 [ 66.561728] setup_net+0x3d9/0x990 [ 66.562324] ? down_read_killable+0x1d7/0x4e0 [ 66.563055] ? __pfx_setup_net+0x10/0x10 [ 66.563661] ? copy_net_ns+0x17c/0x770 [ 66.564302] copy_net_ns+0x321/0x770 [ 66.564900] create_new_namespaces+0x3f6/0xb30 [ 66.565587] unshare_nsproxy_namespaces+0xc1/0x200 [ 66.566353] ksys_unshare+0x44d/0x8e0 [ 66.566966] ? __pfx_ksys_unshare+0x10/0x10 [ 66.567592] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 66.568456] __x64_sys_unshare+0x31/0x40 [ 66.569099] do_syscall_64+0x3f/0x90 [ 66.569658] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 66.570472] RIP: 0033:0x7fd16f68e0d7 [ 66.571052] 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 [ 66.573619] RSP: 002b:00007fff68733718 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 66.574730] RAX: ffffffffffffffda RBX: 00007fff68733d58 RCX: 00007fd16f68e0d7 [ 66.575763] RDX: 00007fd16f6f841f RSI: 00007fff687336b0 RDI: 0000000040000000 [ 66.576796] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff687334c0 [ 66.577810] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd16f7a0bf0 [ 66.578821] R13: 00007fff687337f0 R14: 0000000000000000 R15: 00000000000000f8 [ 66.579824] [ 66.580153] irq event stamp: 8327 [ 66.580617] hardirqs last enabled at (8337): [] __up_console_sem+0x78/0x80 [ 66.581795] hardirqs last disabled at (8350): [] __up_console_sem+0x5d/0x80 [ 66.582956] softirqs last enabled at (8140): [] irq_exit_rcu+0x93/0xc0 [ 66.584089] softirqs last disabled at (8135): [] irq_exit_rcu+0x93/0xc0 [ 66.585237] ---[ end trace 0000000000000000 ]--- [ 66.591062] ------------[ cut here ]------------ [ 66.591710] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 66.593592] WARNING: CPU: 1 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 66.594756] Modules linked in: [ 66.595231] CPU: 1 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 66.596490] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 66.597604] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 66.598368] 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 [ 66.600747] RSP: 0018:ffff88801865fc00 EFLAGS: 00010282 [ 66.601496] RAX: 0000000000000000 RBX: ffff8880165fbe40 RCX: 0000000000000000 [ 66.602479] RDX: ffff888016e6d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 66.603446] RBP: ffff8880165fbe54 R08: 0000000000000001 R09: 0000000000000000 [ 66.604426] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 66.605395] R13: ffffffff84e223a0 R14: ffff8880165fbe48 R15: ffffffff84da62e0 [ 66.606391] FS: 0000555556a25400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 66.607447] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.608255] CR2: 00007f441de126f4 CR3: 000000001e8ee000 CR4: 0000000000350ee0 [ 66.609220] Call Trace: [ 66.609573] [ 66.609938] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 66.610599] ipv6_frags_init_net+0x206/0x3c0 [ 66.611225] ops_init+0xbb/0x6b0 [ 66.611707] setup_net+0x3d9/0x990 [ 66.612228] ? down_read_killable+0x1d7/0x4e0 [ 66.612870] ? __pfx_setup_net+0x10/0x10 [ 66.613415] ? copy_net_ns+0x17c/0x770 [ 66.613993] copy_net_ns+0x321/0x770 [ 66.614529] create_new_namespaces+0x3f6/0xb30 [ 66.615191] unshare_nsproxy_namespaces+0xc1/0x200 [ 66.615881] ksys_unshare+0x44d/0x8e0 [ 66.616410] ? __pfx_ksys_unshare+0x10/0x10 [ 66.617027] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 66.617819] __x64_sys_unshare+0x31/0x40 [ 66.618387] do_syscall_64+0x3f/0x90 [ 66.618933] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 66.619617] RIP: 0033:0x7fd16f68e0d7 [ 66.620148] 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 [ 66.622483] RSP: 002b:00007fff68733718 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 66.623504] RAX: ffffffffffffffda RBX: 00007fff68733d58 RCX: 00007fd16f68e0d7 [ 66.624452] RDX: 00007fd16f6f841f RSI: 00007fff687336b0 RDI: 0000000040000000 [ 66.625410] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff687334c0 [ 66.626379] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd16f7a0bf0 [ 66.627323] R13: 00007fff687337f0 R14: 0000000000000000 R15: 00000000000000f8 [ 66.628281] [ 66.628596] irq event stamp: 9857 [ 66.629091] hardirqs last enabled at (9875): [] __up_console_sem+0x78/0x80 [ 66.630244] hardirqs last disabled at (9886): [] __up_console_sem+0x5d/0x80 [ 66.631363] softirqs last enabled at (9870): [] irq_exit_rcu+0x93/0xc0 [ 66.632452] softirqs last disabled at (9865): [] irq_exit_rcu+0x93/0xc0 [ 66.633537] ---[ end trace 0000000000000000 ]--- [ 66.634999] ------------[ cut here ]------------ [ 66.635615] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 66.637613] WARNING: CPU: 1 PID: 266 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 66.638731] Modules linked in: [ 66.639187] CPU: 1 PID: 266 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 66.640409] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 66.641477] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 66.642206] 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 [ 66.644492] RSP: 0018:ffff88801865fbf0 EFLAGS: 00010286 [ 66.645215] RAX: 0000000000000000 RBX: ffff8880165fb840 RCX: 0000000000000000 [ 66.646146] RDX: ffff888016e6d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 66.647089] RBP: ffff8880165fb854 R08: 0000000000000001 R09: 0000000000000000 [ 66.648020] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 66.648950] R13: ffffffff84e223a0 R14: ffff8880165fb848 R15: ffffffff84daf020 [ 66.649888] FS: 0000555556a25400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 66.650942] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.651673] CR2: 00007f441de126f4 CR3: 000000001e8ee000 CR4: 0000000000350ee0 [ 66.652606] Call Trace: [ 66.652987] [ 66.653300] nf_ct_net_init+0x224/0x3d0 [ 66.653880] ? __pfx_nf_ct_net_init+0x10/0x10 [ 66.654490] ops_init+0xbb/0x6b0 [ 66.654981] setup_net+0x3d9/0x990 [ 66.655456] ? down_read_killable+0x1d7/0x4e0 [ 66.656075] ? __pfx_setup_net+0x10/0x10 [ 66.656615] ? copy_net_ns+0x17c/0x770 [ 66.657173] copy_net_ns+0x321/0x770 [ 66.657686] create_new_namespaces+0x3f6/0xb30 [ 66.658339] unshare_nsproxy_namespaces+0xc1/0x200 [ 66.659016] ksys_unshare+0x44d/0x8e0 [ 66.659527] ? __pfx_ksys_unshare+0x10/0x10 [ 66.660133] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 66.660903] __x64_sys_unshare+0x31/0x40 [ 66.661445] do_syscall_64+0x3f/0x90 [ 66.661977] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 66.662662] RIP: 0033:0x7fd16f68e0d7 [ 66.663175] 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 [ 66.665420] RSP: 002b:00007fff68733718 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 66.666415] RAX: ffffffffffffffda RBX: 00007fff68733d58 RCX: 00007fd16f68e0d7 [ 66.667335] RDX: 00007fd16f6f841f RSI: 00007fff687336b0 RDI: 0000000040000000 [ 66.668263] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff687334c0 [ 66.669183] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd16f7a0bf0 [ 66.670106] R13: 00007fff687337f0 R14: 0000000000000000 R15: 00000000000000f8 [ 66.671056] [ 66.671366] irq event stamp: 10601 [ 66.671842] hardirqs last enabled at (10613): [] __up_console_sem+0x78/0x80 [ 66.672966] hardirqs last disabled at (10624): [] __up_console_sem+0x5d/0x80 [ 66.674085] softirqs last enabled at (9870): [] irq_exit_rcu+0x93/0xc0 [ 66.675175] softirqs last disabled at (9865): [] irq_exit_rcu+0x93/0xc0 [ 66.676270] ---[ end trace 0000000000000000 ]--- executing program [ 68.187623] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 70.234906] Bluetooth: hci0: command 0x041b tx timeout [ 72.282842] Bluetooth: hci0: command 0x040f tx timeout executing program [ 74.331880] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 20:22:09 Registers: info registers vcpu 0 RAX=0000000000023e77 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=00007f25b7788bf0 CR3=00000000165f4000 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=96aa0a3120743487ff412f97b7926fa1 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=4d321913b633fa9b000000000013c218 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=3704681d9020d1f700000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000006f RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801865f5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000006f R11=0000000000000001 R12=000000000000006f 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 0000555556a25400 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=00007f441de126f4 CR3=000000001e8ee000 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