Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:45714' (ECDSA) to the list of known hosts. 2023/05/17 05:44:26 fuzzer started 2023/05/17 05:44:26 dialing manager at localhost:35573 2023/05/17 05:44:26 checking machine... 2023/05/17 05:44:26 checking revisions... syzkaller login: [ 40.291576] kmemleak: Automatic memory scanning thread ended 2023/05/17 05:44:26 testing simple program... [ 40.364653] cgroup: Unknown subsys name 'net' [ 40.439386] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 52.712038] audit: type=1400 audit(1684302279.225:6): 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 [ 53.843033] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.845070] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.846468] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.849139] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.850663] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.851696] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 54.270687] ------------[ cut here ]------------ [ 54.271458] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 54.273783] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.275559] Modules linked in: [ 54.276258] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.281742] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.282967] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.283795] 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 [ 54.286117] RSP: 0018:ffff888016c57c00 EFLAGS: 00010282 [ 54.286864] RAX: 0000000000000000 RBX: ffff8880141d1440 RCX: 0000000000000000 [ 54.287775] RDX: ffff88800fc9b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.288712] RBP: ffff8880141d1454 R08: 0000000000000001 R09: 0000000000000000 [ 54.289627] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 54.290536] R13: ffffffff84e223a0 R14: ffff8880141d1448 R15: ffffffff84d73340 [ 54.291447] FS: 0000555556256400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.292482] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.293281] CR2: 00007fe3832f36f4 CR3: 000000000f46c000 CR4: 0000000000350ee0 [ 54.294167] Call Trace: [ 54.294530] [ 54.294869] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 54.295521] ipv4_frags_init_net+0x269/0x440 [ 54.296106] ops_init+0xbb/0x6b0 [ 54.296624] setup_net+0x3d9/0x990 [ 54.297096] ? down_read_killable+0x1d7/0x4e0 [ 54.297715] ? __pfx_setup_net+0x10/0x10 [ 54.298254] ? copy_net_ns+0x17c/0x770 [ 54.298780] copy_net_ns+0x321/0x770 [ 54.299301] create_new_namespaces+0x3f6/0xb30 [ 54.299923] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.300603] ksys_unshare+0x44d/0x8e0 [ 54.301118] ? __pfx_ksys_unshare+0x10/0x10 [ 54.301719] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.302466] __x64_sys_unshare+0x31/0x40 [ 54.303003] do_syscall_64+0x3f/0x90 [ 54.303512] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.304223] RIP: 0033:0x7f0d1e1600d7 [ 54.304728] 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 [ 54.306953] RSP: 002b:00007fff9de03d58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.307923] RAX: ffffffffffffffda RBX: 00007fff9de04398 RCX: 00007f0d1e1600d7 [ 54.308887] RDX: 00007f0d1e1ca41f RSI: 00007fff9de03cf0 RDI: 0000000040000000 [ 54.309793] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff9de03b00 [ 54.310711] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0d1e272bf0 [ 54.311619] R13: 00007fff9de03e30 R14: 0000000000000000 R15: 00000000000000f8 [ 54.312562] [ 54.312884] irq event stamp: 8579 [ 54.313337] hardirqs last enabled at (8591): [] __up_console_sem+0x78/0x80 [ 54.314441] hardirqs last disabled at (8602): [] __up_console_sem+0x5d/0x80 [ 54.315524] softirqs last enabled at (8150): [] irq_exit_rcu+0x93/0xc0 [ 54.316618] softirqs last disabled at (8133): [] irq_exit_rcu+0x93/0xc0 [ 54.317670] ---[ end trace 0000000000000000 ]--- [ 54.323567] ------------[ cut here ]------------ [ 54.324216] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 54.325938] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.327024] Modules linked in: [ 54.327471] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.328724] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.329797] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.330480] 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 [ 54.332776] RSP: 0018:ffff888016c57c00 EFLAGS: 00010282 [ 54.333474] RAX: 0000000000000000 RBX: ffff88800ede3440 RCX: 0000000000000000 [ 54.334399] RDX: ffff88800fc9b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.335324] RBP: ffff88800ede3454 R08: 0000000000000001 R09: 0000000000000000 [ 54.336244] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.337205] R13: ffffffff84e223a0 R14: ffff88800ede3448 R15: ffffffff84da62e0 [ 54.338102] FS: 0000555556256400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.339135] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.339921] CR2: 00007fe3832f36f4 CR3: 000000000f46c000 CR4: 0000000000350ee0 [ 54.340892] Call Trace: [ 54.341249] [ 54.341564] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 54.342244] ipv6_frags_init_net+0x206/0x3c0 [ 54.342831] ops_init+0xbb/0x6b0 [ 54.343317] setup_net+0x3d9/0x990 [ 54.343801] ? down_read_killable+0x1d7/0x4e0 [ 54.344407] ? __pfx_setup_net+0x10/0x10 [ 54.344953] ? copy_net_ns+0x17c/0x770 [ 54.345495] copy_net_ns+0x321/0x770 [ 54.346004] create_new_namespaces+0x3f6/0xb30 [ 54.346655] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.347327] ksys_unshare+0x44d/0x8e0 [ 54.347840] ? __pfx_ksys_unshare+0x10/0x10 [ 54.348436] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.349220] __x64_sys_unshare+0x31/0x40 [ 54.349785] do_syscall_64+0x3f/0x90 [ 54.350299] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.350994] RIP: 0033:0x7f0d1e1600d7 [ 54.351495] 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 [ 54.353755] RSP: 002b:00007fff9de03d58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.354762] RAX: ffffffffffffffda RBX: 00007fff9de04398 RCX: 00007f0d1e1600d7 [ 54.355686] RDX: 00007f0d1e1ca41f RSI: 00007fff9de03cf0 RDI: 0000000040000000 [ 54.356616] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff9de03b00 [ 54.357518] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0d1e272bf0 [ 54.358441] R13: 00007fff9de03e30 R14: 0000000000000000 R15: 00000000000000f8 [ 54.359406] [ 54.359731] irq event stamp: 10577 [ 54.360213] hardirqs last enabled at (10589): [] __up_console_sem+0x78/0x80 [ 54.361376] hardirqs last disabled at (10600): [] __up_console_sem+0x5d/0x80 [ 54.362490] softirqs last enabled at (10112): [] irq_exit_rcu+0x93/0xc0 [ 54.363544] softirqs last disabled at (10107): [] irq_exit_rcu+0x93/0xc0 [ 54.364658] ---[ end trace 0000000000000000 ]--- [ 54.365997] ------------[ cut here ]------------ [ 54.366640] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 54.368737] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.369825] Modules linked in: [ 54.370268] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.371465] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.372524] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.373223] 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 [ 54.375596] RSP: 0018:ffff888016c57bf0 EFLAGS: 00010286 [ 54.376568] RAX: 0000000000000000 RBX: ffff88800ede3c40 RCX: 0000000000000000 [ 54.377746] RDX: ffff88800fc9b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.378968] RBP: ffff88800ede3c54 R08: 0000000000000001 R09: 0000000000000000 [ 54.379952] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.380883] R13: ffffffff84e223a0 R14: ffff88800ede3c48 R15: ffffffff84daf020 [ 54.381803] FS: 0000555556256400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.382867] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.383655] CR2: 00007fe3832f36f4 CR3: 000000000f46c000 CR4: 0000000000350ee0 [ 54.384587] Call Trace: [ 54.384941] [ 54.385282] nf_ct_net_init+0x224/0x3d0 [ 54.385829] ? __pfx_nf_ct_net_init+0x10/0x10 [ 54.386447] ops_init+0xbb/0x6b0 [ 54.386910] setup_net+0x3d9/0x990 [ 54.387414] ? down_read_killable+0x1d7/0x4e0 [ 54.388012] ? __pfx_setup_net+0x10/0x10 [ 54.388604] ? copy_net_ns+0x17c/0x770 [ 54.389121] copy_net_ns+0x321/0x770 [ 54.389655] create_new_namespaces+0x3f6/0xb30 [ 54.390274] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.390919] ksys_unshare+0x44d/0x8e0 [ 54.391454] ? __pfx_ksys_unshare+0x10/0x10 [ 54.392037] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.392839] __x64_sys_unshare+0x31/0x40 [ 54.393393] do_syscall_64+0x3f/0x90 [ 54.393883] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.394563] RIP: 0033:0x7f0d1e1600d7 [ 54.395049] 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 [ 54.397312] RSP: 002b:00007fff9de03d58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.398320] RAX: ffffffffffffffda RBX: 00007fff9de04398 RCX: 00007f0d1e1600d7 [ 54.399257] RDX: 00007f0d1e1ca41f RSI: 00007fff9de03cf0 RDI: 0000000040000000 [ 54.400160] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff9de03b00 [ 54.401308] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0d1e272bf0 [ 54.402265] R13: 00007fff9de03e30 R14: 0000000000000000 R15: 00000000000000f8 [ 54.403164] [ 54.403500] irq event stamp: 11313 [ 54.403950] hardirqs last enabled at (11323): [] __up_console_sem+0x78/0x80 [ 54.405071] hardirqs last disabled at (11334): [] __up_console_sem+0x5d/0x80 [ 54.406195] softirqs last enabled at (11142): [] irq_exit_rcu+0x93/0xc0 [ 54.407277] softirqs last disabled at (11137): [] irq_exit_rcu+0x93/0xc0 [ 54.408332] ---[ end trace 0000000000000000 ]--- executing program [ 55.927901] Bluetooth: hci0: command 0x0409 tx timeout [ 57.975247] Bluetooth: hci0: command 0x041b tx timeout executing program [ 60.023265] Bluetooth: hci0: command 0x040f tx timeout executing program [ 62.071238] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 05:44:36 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000002 RCX=ffff88806ce099b8 RDX=ffff88806ce099b8 RSI=ffffffff8560b640 RDI=ffffffff8542b198 RBP=0000000000000001 RSP=ffff88806ce09930 R8 =0000000000000001 R9 =ffffffff8542b168 R10=ffffffff85d34a17 R11=0000000000000001 R12=ffffffff8542b198 R13=ffffffff8560b640 R14=ffff88806ce099b8 R15=ffffffff8542a780 RIP=ffffffff812c1857 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 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=00007f35d80350a8 CR3=000000000e20c000 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=2030343a34343a35302037312079614d XMM01=5d3835323637322e34352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d38 XMM07=6e72656b2072656c6c616b7a79732030 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888016c575f0 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 0000555556256400 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=00007fe3832f36f4 CR3=000000000f46c000 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