Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:10413' (ECDSA) to the list of known hosts. 2023/05/17 00:57:17 fuzzer started 2023/05/17 00:57:17 dialing manager at localhost:35573 2023/05/17 00:57:17 checking machine... 2023/05/17 00:57:17 checking revisions... syzkaller login: [ 45.271230] kmemleak: Automatic memory scanning thread ended 2023/05/17 00:57:17 testing simple program... [ 45.338546] cgroup: Unknown subsys name 'net' [ 45.416818] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 58.319857] audit: type=1400 audit(1684285050.694:6): 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 [ 59.400633] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.402851] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.405463] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.409226] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.410703] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.413322] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.798498] ------------[ cut here ]------------ [ 59.799301] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 59.801695] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.802731] Modules linked in: [ 59.803185] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.805030] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.807125] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.808384] 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 [ 59.810562] RSP: 0018:ffff88800dbbfc00 EFLAGS: 00010282 [ 59.811279] RAX: 0000000000000000 RBX: ffff88800dd27040 RCX: 0000000000000000 [ 59.812160] RDX: ffff888019780000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.813061] RBP: ffff88800dd27054 R08: 0000000000000001 R09: 0000000000000000 [ 59.813932] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 59.814781] R13: ffffffff84e223a0 R14: ffff88800dd27048 R15: ffffffff84d73340 [ 59.815672] FS: 0000555555aa6400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.816671] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.817424] CR2: 00007f5ec21706f4 CR3: 000000000f12c000 CR4: 0000000000350ef0 [ 59.818308] Call Trace: [ 59.818632] [ 59.818959] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 59.819565] ipv4_frags_init_net+0x269/0x440 [ 59.820147] ops_init+0xbb/0x6b0 [ 59.820584] setup_net+0x3d9/0x990 [ 59.821085] ? down_read_killable+0x1d7/0x4e0 [ 59.821652] ? __pfx_setup_net+0x10/0x10 [ 59.822181] ? copy_net_ns+0x17c/0x770 [ 59.822688] copy_net_ns+0x321/0x770 [ 59.823186] create_new_namespaces+0x3f6/0xb30 [ 59.823773] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.824414] ksys_unshare+0x44d/0x8e0 [ 59.824939] ? __pfx_ksys_unshare+0x10/0x10 [ 59.825482] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.826234] __x64_sys_unshare+0x31/0x40 [ 59.826762] do_syscall_64+0x3f/0x90 [ 59.827261] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.827938] RIP: 0033:0x7ff0bcc5d0d7 [ 59.828403] 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 [ 59.830567] RSP: 002b:00007ffd05a97d28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.831509] RAX: ffffffffffffffda RBX: 00007ffd05a98368 RCX: 00007ff0bcc5d0d7 [ 59.832394] RDX: 00007ff0bccc741f RSI: 00007ffd05a97cc0 RDI: 0000000040000000 [ 59.833279] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd05a97ad0 [ 59.834156] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff0bcd6fbf0 [ 59.835029] R13: 00007ffd05a97e00 R14: 0000000000000000 R15: 00000000000000f8 [ 59.835937] [ 59.836238] irq event stamp: 8127 [ 59.836659] hardirqs last enabled at (8137): [] __up_console_sem+0x78/0x80 [ 59.837733] hardirqs last disabled at (8148): [] __up_console_sem+0x5d/0x80 [ 59.838793] softirqs last enabled at (7718): [] irq_exit_rcu+0x93/0xc0 [ 59.839815] softirqs last disabled at (7703): [] irq_exit_rcu+0x93/0xc0 [ 59.840820] ---[ end trace 0000000000000000 ]--- [ 59.845962] ------------[ cut here ]------------ [ 59.846536] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 59.848232] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.849279] Modules linked in: [ 59.849682] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.850811] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.851818] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.852488] 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 [ 59.854693] RSP: 0018:ffff88800dbbfc00 EFLAGS: 00010282 [ 59.855387] RAX: 0000000000000000 RBX: ffff888008d63c40 RCX: 0000000000000000 [ 59.856270] RDX: ffff888019780000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.857173] RBP: ffff888008d63c54 R08: 0000000000000001 R09: 0000000000000000 [ 59.858056] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.858947] R13: ffffffff84e223a0 R14: ffff888008d63c48 R15: ffffffff84da62e0 [ 59.859794] FS: 0000555555aa6400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.860780] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.861506] CR2: 00007f5ec21706f4 CR3: 000000000f12c000 CR4: 0000000000350ef0 [ 59.862469] Call Trace: [ 59.862803] [ 59.863130] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 59.863729] ipv6_frags_init_net+0x206/0x3c0 [ 59.864308] ops_init+0xbb/0x6b0 [ 59.864749] setup_net+0x3d9/0x990 [ 59.865254] ? down_read_killable+0x1d7/0x4e0 [ 59.865823] ? __pfx_setup_net+0x10/0x10 [ 59.866357] ? copy_net_ns+0x17c/0x770 [ 59.866855] copy_net_ns+0x321/0x770 [ 59.867364] create_new_namespaces+0x3f6/0xb30 [ 59.867977] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.868598] ksys_unshare+0x44d/0x8e0 [ 59.869133] ? __pfx_ksys_unshare+0x10/0x10 [ 59.869673] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.870409] __x64_sys_unshare+0x31/0x40 [ 59.870959] do_syscall_64+0x3f/0x90 [ 59.871432] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.872094] RIP: 0033:0x7ff0bcc5d0d7 [ 59.872557] 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 [ 59.874751] RSP: 002b:00007ffd05a97d28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.875687] RAX: ffffffffffffffda RBX: 00007ffd05a98368 RCX: 00007ff0bcc5d0d7 [ 59.876579] RDX: 00007ff0bccc741f RSI: 00007ffd05a97cc0 RDI: 0000000040000000 [ 59.877562] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd05a97ad0 [ 59.878449] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff0bcd6fbf0 [ 59.879342] R13: 00007ffd05a97e00 R14: 0000000000000000 R15: 00000000000000f8 [ 59.880253] [ 59.880553] irq event stamp: 9883 [ 59.881031] hardirqs last enabled at (9895): [] __up_console_sem+0x78/0x80 [ 59.882089] hardirqs last disabled at (9906): [] __up_console_sem+0x5d/0x80 [ 59.883139] softirqs last enabled at (9832): [] irq_exit_rcu+0x93/0xc0 [ 59.884162] softirqs last disabled at (9817): [] irq_exit_rcu+0x93/0xc0 [ 59.885221] ---[ end trace 0000000000000000 ]--- [ 59.886545] ------------[ cut here ]------------ [ 59.887216] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.889147] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.890204] Modules linked in: [ 59.890611] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.891751] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.892754] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.893458] 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 [ 59.895636] RSP: 0018:ffff88800dbbfbf0 EFLAGS: 00010286 [ 59.896319] RAX: 0000000000000000 RBX: ffff88800d086e40 RCX: 0000000000000000 [ 59.897214] RDX: ffff888019780000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.898097] RBP: ffff88800d086e54 R08: 0000000000000001 R09: 0000000000000000 [ 59.898978] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.899832] R13: ffffffff84e223a0 R14: ffff88800d086e48 R15: ffffffff84daf020 [ 59.900718] FS: 0000555555aa6400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.901725] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.902460] CR2: 00007f5ec21706f4 CR3: 000000000f12c000 CR4: 0000000000350ef0 [ 59.903353] Call Trace: [ 59.903680] [ 59.904006] nf_ct_net_init+0x224/0x3d0 [ 59.904522] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.905141] ops_init+0xbb/0x6b0 [ 59.905584] setup_net+0x3d9/0x990 [ 59.906068] ? down_read_killable+0x1d7/0x4e0 [ 59.906624] ? __pfx_setup_net+0x10/0x10 [ 59.907166] ? copy_net_ns+0x17c/0x770 [ 59.907666] copy_net_ns+0x321/0x770 [ 59.908172] create_new_namespaces+0x3f6/0xb30 [ 59.908756] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.909436] ksys_unshare+0x44d/0x8e0 [ 59.909951] ? __pfx_ksys_unshare+0x10/0x10 [ 59.910492] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.911227] __x64_sys_unshare+0x31/0x40 [ 59.911745] do_syscall_64+0x3f/0x90 [ 59.912253] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.912921] RIP: 0033:0x7ff0bcc5d0d7 [ 59.913408] 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 [ 59.915564] RSP: 002b:00007ffd05a97d28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.916507] RAX: ffffffffffffffda RBX: 00007ffd05a98368 RCX: 00007ff0bcc5d0d7 [ 59.917415] RDX: 00007ff0bccc741f RSI: 00007ffd05a97cc0 RDI: 0000000040000000 [ 59.918303] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd05a97ad0 [ 59.919196] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff0bcd6fbf0 [ 59.920076] R13: 00007ffd05a97e00 R14: 0000000000000000 R15: 00000000000000f8 [ 59.920995] [ 59.921324] irq event stamp: 10673 [ 59.921759] hardirqs last enabled at (10683): [] __up_console_sem+0x78/0x80 [ 59.922827] hardirqs last disabled at (10694): [] __up_console_sem+0x5d/0x80 [ 59.923907] softirqs last enabled at (10610): [] irq_exit_rcu+0x93/0xc0 [ 59.924945] softirqs last disabled at (10603): [] irq_exit_rcu+0x93/0xc0 [ 59.925990] ---[ end trace 0000000000000000 ]--- executing program [ 61.477671] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 63.524951] Bluetooth: hci0: command 0x041b tx timeout [ 65.573021] Bluetooth: hci0: command 0x040f tx timeout executing program [ 67.620961] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 00:57:22 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800dbbf618 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 0000555555aa6400 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=00007f5ec21706f4 CR3=000000000f12c000 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=0000000000000000 RBX=ffff8880166ff748 RCX=ffffffff8448f4fc RDX=0000000000000001 RSI=0000000000000000 RDI=0000000000000001 RBP=0000000000000000 RSP=ffff8880166ff628 R8 =0000000000000001 R9 =0000000000000000 R10=000000000000003c R11=fffffffffffcb438 R12=ffffffff8487a500 R13=1ffff11002cdfec9 R14=0000000000000001 R15=ffff8880166ff7e0 RIP=ffffffff814bf3b8 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 =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fc6106e8700 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=00007fc5fc039108 CR3=000000000cbb6000 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=f7e18b7318fa2291184ffa0e3b5679ca XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d35f14e95510c1f6000000000010d5d0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=608898c6a03a163f00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00200000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000