Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:26981' (ECDSA) to the list of known hosts. 2023/05/16 15:53:18 fuzzer started 2023/05/16 15:53:19 dialing manager at localhost:35573 2023/05/16 15:53:19 checking machine... 2023/05/16 15:53:19 checking revisions... syzkaller login: [ 44.200703] kmemleak: Automatic memory scanning thread ended 2023/05/16 15:53:19 testing simple program... [ 44.269981] cgroup: Unknown subsys name 'net' [ 44.327458] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 56.510958] audit: type=1400 audit(1684252411.520:6): 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 [ 57.642661] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 57.644353] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 57.647140] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 57.649876] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 57.651798] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 57.653694] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.048977] ------------[ cut here ]------------ [ 58.049784] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 58.052131] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.053355] Modules linked in: [ 58.053759] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.058258] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.059256] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.059935] 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 [ 58.062200] RSP: 0018:ffff88800f707c00 EFLAGS: 00010282 [ 58.062895] RAX: 0000000000000000 RBX: ffff88800c5bb440 RCX: 0000000000000000 [ 58.063811] RDX: ffff88800e769b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.064755] RBP: ffff88800c5bb454 R08: 0000000000000001 R09: 0000000000000000 [ 58.065658] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 58.066556] R13: ffffffff84e223a0 R14: ffff88800c5bb448 R15: ffffffff84d73340 [ 58.067469] FS: 000055555617e400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 58.068519] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.069260] CR2: 00007fdfaad93910 CR3: 000000000c734000 CR4: 0000000000350ef0 [ 58.070155] Call Trace: [ 58.070529] [ 58.070827] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 58.071476] ipv4_frags_init_net+0x269/0x440 [ 58.072029] ops_init+0xbb/0x6b0 [ 58.072541] setup_net+0x3d9/0x990 [ 58.073026] ? down_read_killable+0x1d7/0x4e0 [ 58.073643] ? __pfx_setup_net+0x10/0x10 [ 58.074158] ? copy_net_ns+0x17c/0x770 [ 58.074712] copy_net_ns+0x321/0x770 [ 58.075212] create_new_namespaces+0x3f6/0xb30 [ 58.075832] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.076505] ksys_unshare+0x44d/0x8e0 [ 58.077014] ? __pfx_ksys_unshare+0x10/0x10 [ 58.077619] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.078392] __x64_sys_unshare+0x31/0x40 [ 58.078911] do_syscall_64+0x3f/0x90 [ 58.079434] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.080079] RIP: 0033:0x7f41f7cf50d7 [ 58.080591] 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 [ 58.082834] RSP: 002b:00007fffab957f38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.083842] RAX: ffffffffffffffda RBX: 00007fffab958578 RCX: 00007f41f7cf50d7 [ 58.084790] RDX: 00007f41f7d5f41f RSI: 00007fffab957ed0 RDI: 0000000040000000 [ 58.085720] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffab957ce0 [ 58.086657] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f41f7e07bf0 [ 58.087581] R13: 00007fffab958010 R14: 0000000000000000 R15: 00000000000000f8 [ 58.088497] [ 58.088818] irq event stamp: 8225 [ 58.089265] hardirqs last enabled at (8235): [] __up_console_sem+0x78/0x80 [ 58.090385] hardirqs last disabled at (8248): [] __up_console_sem+0x5d/0x80 [ 58.091779] softirqs last enabled at (8150): [] irq_exit_rcu+0x93/0xc0 [ 58.093214] softirqs last disabled at (8145): [] irq_exit_rcu+0x93/0xc0 [ 58.094621] ---[ end trace 0000000000000000 ]--- [ 58.100670] ------------[ cut here ]------------ [ 58.101329] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 58.102981] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.104079] Modules linked in: [ 58.104535] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.105752] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.106784] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.107476] 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 [ 58.109730] RSP: 0018:ffff88800f707c00 EFLAGS: 00010282 [ 58.110450] RAX: 0000000000000000 RBX: ffff888013925840 RCX: 0000000000000000 [ 58.111381] RDX: ffff88800e769b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.112269] RBP: ffff888013925854 R08: 0000000000000001 R09: 0000000000000000 [ 58.113217] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.114140] R13: ffffffff84e223a0 R14: ffff888013925848 R15: ffffffff84da62e0 [ 58.115227] FS: 000055555617e400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 58.116406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.117244] CR2: 00007fdfaad93910 CR3: 000000000c734000 CR4: 0000000000350ef0 [ 58.118138] Call Trace: [ 58.118521] [ 58.118828] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 58.119497] ipv6_frags_init_net+0x206/0x3c0 [ 58.120057] ops_init+0xbb/0x6b0 [ 58.120562] setup_net+0x3d9/0x990 [ 58.121049] ? down_read_killable+0x1d7/0x4e0 [ 58.121669] ? __pfx_setup_net+0x10/0x10 [ 58.122190] ? copy_net_ns+0x17c/0x770 [ 58.122750] copy_net_ns+0x321/0x770 [ 58.123261] create_new_namespaces+0x3f6/0xb30 [ 58.123886] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.124569] ksys_unshare+0x44d/0x8e0 [ 58.125083] ? __pfx_ksys_unshare+0x10/0x10 [ 58.125677] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.126444] __x64_sys_unshare+0x31/0x40 [ 58.126964] do_syscall_64+0x3f/0x90 [ 58.127484] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.128134] RIP: 0033:0x7f41f7cf50d7 [ 58.128680] 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 [ 58.130909] RSP: 002b:00007fffab957f38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.131889] RAX: ffffffffffffffda RBX: 00007fffab958578 RCX: 00007f41f7cf50d7 [ 58.132816] RDX: 00007f41f7d5f41f RSI: 00007fffab957ed0 RDI: 0000000040000000 [ 58.133740] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffab957ce0 [ 58.134661] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f41f7e07bf0 [ 58.135561] R13: 00007fffab958010 R14: 0000000000000000 R15: 00000000000000f8 [ 58.136518] [ 58.136834] irq event stamp: 9989 [ 58.137272] hardirqs last enabled at (9999): [] __up_console_sem+0x78/0x80 [ 58.138384] hardirqs last disabled at (10012): [] __up_console_sem+0x5d/0x80 [ 58.139485] softirqs last enabled at (9042): [] irq_exit_rcu+0x93/0xc0 [ 58.140537] softirqs last disabled at (8851): [] irq_exit_rcu+0x93/0xc0 [ 58.141623] ---[ end trace 0000000000000000 ]--- [ 58.143002] ------------[ cut here ]------------ [ 58.143700] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 58.145724] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.146822] Modules linked in: [ 58.147252] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.148461] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.149522] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.150191] 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 [ 58.152407] RSP: 0018:ffff88800f707bf0 EFLAGS: 00010286 [ 58.153069] RAX: 0000000000000000 RBX: ffff888013924c40 RCX: 0000000000000000 [ 58.154160] RDX: ffff88800e769b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.155078] RBP: ffff888013924c54 R08: 0000000000000001 R09: 0000000000000000 [ 58.155983] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.156932] R13: ffffffff84e223a0 R14: ffff888013924c48 R15: ffffffff84daf020 [ 58.157869] FS: 000055555617e400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 58.158949] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.159756] CR2: 00007fdfaad93910 CR3: 000000000c734000 CR4: 0000000000350ef0 [ 58.160721] Call Trace: [ 58.161063] [ 58.161423] nf_ct_net_init+0x224/0x3d0 [ 58.161945] ? __pfx_nf_ct_net_init+0x10/0x10 [ 58.162562] ops_init+0xbb/0x6b0 [ 58.163003] setup_net+0x3d9/0x990 [ 58.163530] ? down_read_killable+0x1d7/0x4e0 [ 58.164099] ? __pfx_setup_net+0x10/0x10 [ 58.164675] ? copy_net_ns+0x17c/0x770 [ 58.165201] copy_net_ns+0x321/0x770 [ 58.165715] create_new_namespaces+0x3f6/0xb30 [ 58.166362] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.166982] ksys_unshare+0x44d/0x8e0 [ 58.167519] ? __pfx_ksys_unshare+0x10/0x10 [ 58.168062] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.168868] __x64_sys_unshare+0x31/0x40 [ 58.169445] do_syscall_64+0x3f/0x90 [ 58.169920] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.170614] RIP: 0033:0x7f41f7cf50d7 [ 58.171079] 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 [ 58.173334] RSP: 002b:00007fffab957f38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.174278] RAX: ffffffffffffffda RBX: 00007fffab958578 RCX: 00007f41f7cf50d7 [ 58.175211] RDX: 00007f41f7d5f41f RSI: 00007fffab957ed0 RDI: 0000000040000000 [ 58.176133] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffab957ce0 [ 58.177065] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f41f7e07bf0 [ 58.177980] R13: 00007fffab958010 R14: 0000000000000000 R15: 00000000000000f8 [ 58.178946] [ 58.179271] irq event stamp: 10775 [ 58.179750] hardirqs last enabled at (10787): [] __up_console_sem+0x78/0x80 [ 58.180881] hardirqs last disabled at (10798): [] __up_console_sem+0x5d/0x80 [ 58.181981] softirqs last enabled at (10286): [] irq_exit_rcu+0x93/0xc0 [ 58.183057] softirqs last disabled at (10275): [] irq_exit_rcu+0x93/0xc0 [ 58.184129] ---[ end trace 0000000000000000 ]--- executing program [ 59.729896] Bluetooth: hci0: command 0x0409 tx timeout [ 61.777369] Bluetooth: hci0: command 0x041b tx timeout executing program [ 63.825373] Bluetooth: hci0: command 0x040f tx timeout executing program [ 65.873363] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 15:53:25 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800f7075f0 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 000055555617e400 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=00007fdfaad93910 CR3=000000000c734000 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=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 info registers vcpu 1 RAX=000000000003eaa3 RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 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 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=00007fdfaad48fd0 CR3=000000000eedc000 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=bcf3726d01f3039a6c4cc5625b4336b2 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=3c08ebdea62aed41000000000013b2a0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=bd83500e748bec2200000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000