Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:49171' (ECDSA) to the list of known hosts. 2023/05/16 15:07:14 fuzzer started 2023/05/16 15:07:14 dialing manager at localhost:35573 2023/05/16 15:07:14 checking machine... 2023/05/16 15:07:14 checking revisions... syzkaller login: [ 36.947230] kmemleak: Automatic memory scanning thread ended 2023/05/16 15:07:14 testing simple program... [ 37.013459] cgroup: Unknown subsys name 'net' [ 37.113276] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.316195] audit: type=1400 audit(1684249647.070:6): 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 [ 50.386050] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.387706] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.389900] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.393100] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.395237] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.396370] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.663909] ------------[ cut here ]------------ [ 50.664811] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.665814] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.666458] Modules linked in: [ 50.666674] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.667324] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.671471] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.671837] 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 [ 50.673084] RSP: 0018:ffff888016817c00 EFLAGS: 00010282 [ 50.673434] RAX: 0000000000000000 RBX: ffff888015bb1040 RCX: 0000000000000000 [ 50.673900] RDX: ffff888016cf8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.674437] RBP: ffff888015bb1054 R08: 0000000000000001 R09: 0000000000000000 [ 50.674911] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.675458] R13: ffffffff84e223a0 R14: ffff888015bb1048 R15: ffffffff84d73340 [ 50.676029] FS: 000055555641d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.676552] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.677060] CR2: 00007fa71f8676f4 CR3: 0000000016ab4000 CR4: 0000000000350ee0 [ 50.677601] Call Trace: [ 50.677783] [ 50.678024] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.678365] ipv4_frags_init_net+0x269/0x440 [ 50.678677] ops_init+0xbb/0x6b0 [ 50.679016] setup_net+0x3d9/0x990 [ 50.679302] ? down_read_killable+0x1d7/0x4e0 [ 50.679706] ? __pfx_setup_net+0x10/0x10 [ 50.680105] ? copy_net_ns+0x17c/0x770 [ 50.680391] copy_net_ns+0x321/0x770 [ 50.680671] create_new_namespaces+0x3f6/0xb30 [ 50.681226] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.681698] ksys_unshare+0x44d/0x8e0 [ 50.682189] ? __pfx_ksys_unshare+0x10/0x10 [ 50.682611] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.683252] __x64_sys_unshare+0x31/0x40 [ 50.683659] do_syscall_64+0x3f/0x90 [ 50.684130] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.684620] RIP: 0033:0x7f082ebdd0d7 [ 50.685086] 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 [ 50.686827] RSP: 002b:00007ffd63128d28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.687666] RAX: ffffffffffffffda RBX: 00007ffd63129368 RCX: 00007f082ebdd0d7 [ 50.688420] RDX: 00007f082ec4741f RSI: 00007ffd63128cc0 RDI: 0000000040000000 [ 50.689030] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd63128ad0 [ 50.689494] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f082ecefbf0 [ 50.690055] R13: 00007ffd63128e00 R14: 0000000000000000 R15: 00000000000000f8 [ 50.690549] [ 50.690719] irq event stamp: 9631 [ 50.691026] hardirqs last enabled at (9675): [] __up_console_sem+0x78/0x80 [ 50.691617] hardirqs last disabled at (9684): [] __up_console_sem+0x5d/0x80 [ 50.692282] softirqs last enabled at (9738): [] irq_exit_rcu+0x93/0xc0 [ 50.692849] softirqs last disabled at (9693): [] irq_exit_rcu+0x93/0xc0 [ 50.693500] ---[ end trace 0000000000000000 ]--- [ 50.698035] ------------[ cut here ]------------ [ 50.698384] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.699319] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.699911] Modules linked in: [ 50.700188] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.700835] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.701420] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.701795] 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 [ 50.703052] RSP: 0018:ffff888016817c00 EFLAGS: 00010282 [ 50.703430] RAX: 0000000000000000 RBX: ffff888010257e40 RCX: 0000000000000000 [ 50.703929] RDX: ffff888016cf8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.704442] RBP: ffff888010257e54 R08: 0000000000000001 R09: 0000000000000000 [ 50.704952] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.705440] R13: ffffffff84e223a0 R14: ffff888010257e48 R15: ffffffff84da62e0 [ 50.705958] FS: 000055555641d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.706520] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.706907] CR2: 00007fa71f8676f4 CR3: 0000000016ab4000 CR4: 0000000000350ee0 [ 50.707398] Call Trace: [ 50.707595] [ 50.707764] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.708120] ipv6_frags_init_net+0x206/0x3c0 [ 50.708422] ops_init+0xbb/0x6b0 [ 50.708674] setup_net+0x3d9/0x990 [ 50.708956] ? down_read_killable+0x1d7/0x4e0 [ 50.709281] ? __pfx_setup_net+0x10/0x10 [ 50.709570] ? copy_net_ns+0x17c/0x770 [ 50.709857] copy_net_ns+0x321/0x770 [ 50.710143] create_new_namespaces+0x3f6/0xb30 [ 50.710476] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.710824] ksys_unshare+0x44d/0x8e0 [ 50.711127] ? __pfx_ksys_unshare+0x10/0x10 [ 50.711442] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.711872] __x64_sys_unshare+0x31/0x40 [ 50.712195] do_syscall_64+0x3f/0x90 [ 50.712464] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.712844] RIP: 0033:0x7f082ebdd0d7 [ 50.713128] 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 [ 50.714378] RSP: 002b:00007ffd63128d28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.714896] RAX: ffffffffffffffda RBX: 00007ffd63129368 RCX: 00007f082ebdd0d7 [ 50.715411] RDX: 00007f082ec4741f RSI: 00007ffd63128cc0 RDI: 0000000040000000 [ 50.715927] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd63128ad0 [ 50.716444] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f082ecefbf0 [ 50.716953] R13: 00007ffd63128e00 R14: 0000000000000000 R15: 00000000000000f8 [ 50.717437] [ 50.717602] irq event stamp: 11465 [ 50.717844] hardirqs last enabled at (11475): [] __up_console_sem+0x78/0x80 [ 50.718428] hardirqs last disabled at (11486): [] __up_console_sem+0x5d/0x80 [ 50.719015] softirqs last enabled at (11016): [] irq_exit_rcu+0x93/0xc0 [ 50.719572] softirqs last disabled at (11009): [] irq_exit_rcu+0x93/0xc0 [ 50.720137] ---[ end trace 0000000000000000 ]--- [ 50.720885] ------------[ cut here ]------------ [ 50.721226] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.722240] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.722797] Modules linked in: [ 50.723043] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.723682] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.724235] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.724586] 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 [ 50.725764] RSP: 0018:ffff888016817bf0 EFLAGS: 00010286 [ 50.726158] RAX: 0000000000000000 RBX: ffff888010257840 RCX: 0000000000000000 [ 50.726648] RDX: ffff888016cf8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.727161] RBP: ffff888010257854 R08: 0000000000000001 R09: 0000000000000000 [ 50.727667] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.728176] R13: ffffffff84e223a0 R14: ffff888010257848 R15: ffffffff84daf020 [ 50.728663] FS: 000055555641d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.729334] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.729817] CR2: 00007fa71f8676f4 CR3: 0000000016ab4000 CR4: 0000000000350ee0 [ 50.730433] Call Trace: [ 50.730657] [ 50.730858] nf_ct_net_init+0x224/0x3d0 [ 50.731245] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.731644] ops_init+0xbb/0x6b0 [ 50.731972] setup_net+0x3d9/0x990 [ 50.732275] ? down_read_killable+0x1d7/0x4e0 [ 50.732659] ? __pfx_setup_net+0x10/0x10 [ 50.733019] ? copy_net_ns+0x17c/0x770 [ 50.733362] copy_net_ns+0x321/0x770 [ 50.733682] create_new_namespaces+0x3f6/0xb30 [ 50.734098] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.734510] ksys_unshare+0x44d/0x8e0 [ 50.734843] ? __pfx_ksys_unshare+0x10/0x10 [ 50.735229] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.735715] __x64_sys_unshare+0x31/0x40 [ 50.736082] do_syscall_64+0x3f/0x90 [ 50.736401] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.736826] RIP: 0033:0x7f082ebdd0d7 [ 50.737159] 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 [ 50.738628] RSP: 002b:00007ffd63128d28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.739268] RAX: ffffffffffffffda RBX: 00007ffd63129368 RCX: 00007f082ebdd0d7 [ 50.739834] RDX: 00007f082ec4741f RSI: 00007ffd63128cc0 RDI: 0000000040000000 [ 50.740441] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd63128ad0 [ 50.741049] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f082ecefbf0 [ 50.741629] R13: 00007ffd63128e00 R14: 0000000000000000 R15: 00000000000000f8 [ 50.742246] [ 50.742445] irq event stamp: 12193 [ 50.742733] hardirqs last enabled at (12203): [] __up_console_sem+0x78/0x80 [ 50.743451] hardirqs last disabled at (12214): [] __up_console_sem+0x5d/0x80 [ 50.744200] softirqs last enabled at (11920): [] irq_exit_rcu+0x93/0xc0 [ 50.744883] softirqs last disabled at (11913): [] irq_exit_rcu+0x93/0xc0 [ 50.745580] ---[ end trace 0000000000000000 ]--- executing program [ 52.473662] Bluetooth: hci0: command 0x0409 tx timeout [ 54.521032] Bluetooth: hci0: command 0x041b tx timeout executing program [ 56.569016] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.617033] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 15:07:21 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888016d9f8a8 RCX=0000000000000000 RDX=ffff8880159651c0 RSI=ffffffff81974672 RDI=ffff888008948000 RBP=ffff888008948000 RSP=ffff888016d9f560 R8 =0000000000000006 R9 =0000000000000321 R10=0000000000080000 R11=0000000000000001 R12=0000000000000503 R13=0000000000000503 R14=0000000000001000 R15=0000000000000008 RIP=ffffffff814bf8ab RFL=00000246 [---Z-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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f20a22f5900 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=00007f20a175faa0 CR3=000000000e780000 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=494e4f544f4e4f4d5f454352554f535f XMM01=49545f43494e4f544f4e4f4d5f454352 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=8f69bd947e88cff4000000000013bfe8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=c691aa40e24d13ef00000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000031 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888016817618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000031 R11=0000000000000001 R12=0000000000000031 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 000055555641d400 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=00007fa71f8676f4 CR3=0000000016ab4000 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