Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:1304' (ECDSA) to the list of known hosts. 2023/05/17 00:55:19 fuzzer started 2023/05/17 00:55:19 dialing manager at localhost:35573 2023/05/17 00:55:19 checking machine... 2023/05/17 00:55:19 checking revisions... syzkaller login: [ 30.508433] kmemleak: Automatic memory scanning thread ended 2023/05/17 00:55:19 testing simple program... [ 30.577109] cgroup: Unknown subsys name 'net' [ 30.655393] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 43.456242] audit: type=1400 audit(1684284932.529:6): 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 [ 44.577069] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 44.578682] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 44.580627] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 44.590264] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 44.592437] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 44.594034] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 44.979310] ------------[ cut here ]------------ [ 44.980094] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 44.982347] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 44.983656] Modules linked in: [ 44.984149] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 44.989003] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 44.990012] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 44.990691] 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 [ 44.992828] RSP: 0018:ffff888020517c00 EFLAGS: 00010282 [ 44.993479] RAX: 0000000000000000 RBX: ffff88800fa8d440 RCX: 0000000000000000 [ 44.994361] RDX: ffff888015b01b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 44.995267] RBP: ffff88800fa8d454 R08: 0000000000000001 R09: 0000000000000000 [ 44.996147] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 44.997036] R13: ffffffff84e223a0 R14: ffff88800fa8d448 R15: ffffffff84d73340 [ 44.997926] FS: 0000555555af8400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 44.998943] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.999697] CR2: 00007f8e5743d6f4 CR3: 000000000da76000 CR4: 0000000000350ef0 [ 45.000589] Call Trace: [ 45.000924] [ 45.001219] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 45.001857] ipv4_frags_init_net+0x269/0x440 [ 45.002409] ops_init+0xbb/0x6b0 [ 45.002915] setup_net+0x3d9/0x990 [ 45.003370] ? down_read_killable+0x1d7/0x4e0 [ 45.003965] ? __pfx_setup_net+0x10/0x10 [ 45.004471] ? copy_net_ns+0x17c/0x770 [ 45.005021] copy_net_ns+0x321/0x770 [ 45.005524] create_new_namespaces+0x3f6/0xb30 [ 45.006121] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.006780] ksys_unshare+0x44d/0x8e0 [ 45.007271] ? __pfx_ksys_unshare+0x10/0x10 [ 45.007845] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.008586] __x64_sys_unshare+0x31/0x40 [ 45.009097] do_syscall_64+0x3f/0x90 [ 45.009597] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.010237] RIP: 0033:0x7fe1dfcf00d7 [ 45.010738] 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 [ 45.012888] RSP: 002b:00007ffc72affb28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 45.013834] RAX: ffffffffffffffda RBX: 00007ffc72b00168 RCX: 00007fe1dfcf00d7 [ 45.014738] RDX: 00007fe1dfd5a41f RSI: 00007ffc72affac0 RDI: 0000000040000000 [ 45.015624] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc72aff8d0 [ 45.016476] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe1dfe02bf0 [ 45.017354] R13: 00007ffc72affc00 R14: 0000000000000000 R15: 00000000000000f8 [ 45.018263] [ 45.018606] irq event stamp: 7395 [ 45.019030] hardirqs last enabled at (7405): [] __up_console_sem+0x78/0x80 [ 45.020068] hardirqs last disabled at (7416): [] __up_console_sem+0x5d/0x80 [ 45.021107] softirqs last enabled at (7174): [] irq_exit_rcu+0x93/0xc0 [ 45.022123] softirqs last disabled at (7169): [] irq_exit_rcu+0x93/0xc0 [ 45.023210] ---[ end trace 0000000000000000 ]--- [ 45.030345] ------------[ cut here ]------------ [ 45.031066] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 45.032761] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.033814] Modules linked in: [ 45.034219] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.035397] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.036396] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.037072] 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 [ 45.039236] RSP: 0018:ffff888020517c00 EFLAGS: 00010282 [ 45.039918] RAX: 0000000000000000 RBX: ffff88800c646440 RCX: 0000000000000000 [ 45.040801] RDX: ffff888015b01b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.041682] RBP: ffff88800c646454 R08: 0000000000000001 R09: 0000000000000000 [ 45.042565] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.043416] R13: ffffffff84e223a0 R14: ffff88800c646448 R15: ffffffff84da62e0 [ 45.044292] FS: 0000555555af8400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.045272] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.046006] CR2: 00007f8e5743d6f4 CR3: 000000000da76000 CR4: 0000000000350ef0 [ 45.046930] Call Trace: [ 45.047257] [ 45.047588] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 45.048192] ipv6_frags_init_net+0x206/0x3c0 [ 45.048768] ops_init+0xbb/0x6b0 [ 45.049213] setup_net+0x3d9/0x990 [ 45.049699] ? down_read_killable+0x1d7/0x4e0 [ 45.050266] ? __pfx_setup_net+0x10/0x10 [ 45.050805] ? copy_net_ns+0x17c/0x770 [ 45.051308] copy_net_ns+0x321/0x770 [ 45.051814] create_new_namespaces+0x3f6/0xb30 [ 45.052393] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.053036] ksys_unshare+0x44d/0x8e0 [ 45.053552] ? __pfx_ksys_unshare+0x10/0x10 [ 45.054092] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.054844] __x64_sys_unshare+0x31/0x40 [ 45.055359] do_syscall_64+0x3f/0x90 [ 45.055862] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.056532] RIP: 0033:0x7fe1dfcf00d7 [ 45.057001] 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 [ 45.059241] RSP: 002b:00007ffc72affb28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 45.060206] RAX: ffffffffffffffda RBX: 00007ffc72b00168 RCX: 00007fe1dfcf00d7 [ 45.061085] RDX: 00007fe1dfd5a41f RSI: 00007ffc72affac0 RDI: 0000000040000000 [ 45.061968] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc72aff8d0 [ 45.062873] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe1dfe02bf0 [ 45.063786] R13: 00007ffc72affc00 R14: 0000000000000000 R15: 00000000000000f8 [ 45.064693] [ 45.064994] irq event stamp: 10277 [ 45.065423] hardirqs last enabled at (10287): [] __up_console_sem+0x78/0x80 [ 45.066487] hardirqs last disabled at (10298): [] __up_console_sem+0x5d/0x80 [ 45.067563] softirqs last enabled at (10314): [] irq_exit_rcu+0x93/0xc0 [ 45.068588] softirqs last disabled at (10309): [] irq_exit_rcu+0x93/0xc0 [ 45.069616] ---[ end trace 0000000000000000 ]--- [ 45.070983] ------------[ cut here ]------------ [ 45.071633] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 45.073488] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.074700] Modules linked in: [ 45.075119] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.076280] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.077279] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.077952] 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 [ 45.080172] RSP: 0018:ffff888020517bf0 EFLAGS: 00010286 [ 45.080877] RAX: 0000000000000000 RBX: ffff88800c646e40 RCX: 0000000000000000 [ 45.081761] RDX: ffff888015b01b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.082669] RBP: ffff88800c646e54 R08: 0000000000000001 R09: 0000000000000000 [ 45.083570] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.084425] R13: ffffffff84e223a0 R14: ffff88800c646e48 R15: ffffffff84daf020 [ 45.085307] FS: 0000555555af8400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.086298] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.087089] CR2: 00007f8e5743d6f4 CR3: 000000000da76000 CR4: 0000000000350ef0 [ 45.087986] Call Trace: [ 45.088322] [ 45.088652] nf_ct_net_init+0x224/0x3d0 [ 45.089173] ? __pfx_nf_ct_net_init+0x10/0x10 [ 45.089769] ops_init+0xbb/0x6b0 [ 45.090208] setup_net+0x3d9/0x990 [ 45.090717] ? down_read_killable+0x1d7/0x4e0 [ 45.091283] ? __pfx_setup_net+0x10/0x10 [ 45.091818] ? copy_net_ns+0x17c/0x770 [ 45.092315] copy_net_ns+0x321/0x770 [ 45.092823] create_new_namespaces+0x3f6/0xb30 [ 45.093400] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.094040] ksys_unshare+0x44d/0x8e0 [ 45.094566] ? __pfx_ksys_unshare+0x10/0x10 [ 45.095106] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.095844] __x64_sys_unshare+0x31/0x40 [ 45.096358] do_syscall_64+0x3f/0x90 [ 45.096866] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.097524] RIP: 0033:0x7fe1dfcf00d7 [ 45.097982] 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 [ 45.100130] RSP: 002b:00007ffc72affb28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 45.101060] RAX: ffffffffffffffda RBX: 00007ffc72b00168 RCX: 00007fe1dfcf00d7 [ 45.101936] RDX: 00007fe1dfd5a41f RSI: 00007ffc72affac0 RDI: 0000000040000000 [ 45.102830] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc72aff8d0 [ 45.103724] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe1dfe02bf0 [ 45.104600] R13: 00007ffc72affc00 R14: 0000000000000000 R15: 00000000000000f8 [ 45.105468] [ 45.105800] irq event stamp: 11037 [ 45.106229] hardirqs last enabled at (11047): [] __up_console_sem+0x78/0x80 [ 45.107296] hardirqs last disabled at (11058): [] __up_console_sem+0x5d/0x80 [ 45.108339] softirqs last enabled at (10520): [] irq_exit_rcu+0x93/0xc0 [ 45.109367] softirqs last disabled at (10499): [] irq_exit_rcu+0x93/0xc0 [ 45.110375] ---[ end trace 0000000000000000 ]--- executing program [ 46.664930] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 48.711995] Bluetooth: hci0: command 0x041b tx timeout [ 50.759575] Bluetooth: hci0: command 0x040f tx timeout executing program [ 52.807648] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 00:55:33 Registers: info registers vcpu 0 RAX=0000000000000075 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880205175f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000075 R11=0000000000000001 R12=0000000000000075 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 0000555555af8400 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=00007f8e5743d6f4 CR3=000000000da76000 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=000000000002546f 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=00007fd48c0370a8 CR3=00000000099c0000 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=2034333a35353a30302037312079614d XMM01=5d3934313438392e34342020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d39 XMM07=6e72656b2072656c6c616b7a79732034 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000