Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:6225' (ECDSA) to the list of known hosts. 2023/05/16 11:28:36 fuzzer started 2023/05/16 11:28:36 dialing manager at localhost:35573 2023/05/16 11:28:36 checking machine... 2023/05/16 11:28:36 checking revisions... syzkaller login: [ 41.994693] kmemleak: Automatic memory scanning thread ended 2023/05/16 11:28:36 testing simple program... [ 42.062823] cgroup: Unknown subsys name 'net' [ 42.150642] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 55.982242] audit: type=1400 audit(1684236530.597:6): 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 executing program [ 57.107768] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 57.110559] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 57.111745] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 57.114886] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 57.116883] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 57.118118] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 57.516291] ------------[ cut here ]------------ [ 57.516941] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 57.518675] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 57.519759] Modules linked in: [ 57.520207] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 57.523990] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.525013] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 57.525685] 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 [ 57.527954] RSP: 0018:ffff8880166bfc00 EFLAGS: 00010282 [ 57.528689] RAX: 0000000000000000 RBX: ffff888015aeb440 RCX: 0000000000000000 [ 57.529624] RDX: ffff888017e93680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 57.530553] RBP: ffff888015aeb454 R08: 0000000000000001 R09: 0000000000000000 [ 57.531490] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 57.532410] R13: ffffffff84e223a0 R14: ffff888015aeb448 R15: ffffffff84d73340 [ 57.533371] FS: 000055555649d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 57.534424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.535200] CR2: 00007f83fcbe66f4 CR3: 0000000009ee0000 CR4: 0000000000350ee0 [ 57.536092] Call Trace: [ 57.536459] [ 57.536773] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 57.537469] ipv4_frags_init_net+0x269/0x440 [ 57.538049] ops_init+0xbb/0x6b0 [ 57.538545] setup_net+0x3d9/0x990 [ 57.539023] ? down_read_killable+0x1d7/0x4e0 [ 57.539649] ? __pfx_setup_net+0x10/0x10 [ 57.540212] ? copy_net_ns+0x17c/0x770 [ 57.540740] copy_net_ns+0x321/0x770 [ 57.541299] create_new_namespaces+0x3f6/0xb30 [ 57.541918] unshare_nsproxy_namespaces+0xc1/0x200 [ 57.542587] ksys_unshare+0x44d/0x8e0 [ 57.543099] ? __pfx_ksys_unshare+0x10/0x10 [ 57.543700] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 57.544475] __x64_sys_unshare+0x31/0x40 [ 57.545020] do_syscall_64+0x3f/0x90 [ 57.545556] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 57.546260] RIP: 0033:0x7f9cacaeb0d7 [ 57.546747] 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 [ 57.549034] RSP: 002b:00007ffd9853beb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 57.550023] RAX: ffffffffffffffda RBX: 00007ffd9853c4f8 RCX: 00007f9cacaeb0d7 [ 57.550967] RDX: 00007f9cacb5541f RSI: 00007ffd9853be50 RDI: 0000000040000000 [ 57.551935] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd9853bc60 [ 57.552887] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9cacbfdbf0 [ 57.553845] R13: 00007ffd9853bf90 R14: 0000000000000000 R15: 00000000000000f8 [ 57.554802] [ 57.555117] irq event stamp: 8219 [ 57.555603] hardirqs last enabled at (8231): [] __up_console_sem+0x78/0x80 [ 57.556704] hardirqs last disabled at (8242): [] __up_console_sem+0x5d/0x80 [ 57.557815] softirqs last enabled at (7670): [] irq_exit_rcu+0x93/0xc0 [ 57.558890] softirqs last disabled at (7655): [] irq_exit_rcu+0x93/0xc0 [ 57.559972] ---[ end trace 0000000000000000 ]--- [ 57.567002] ------------[ cut here ]------------ [ 57.567653] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 57.569414] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 57.570467] Modules linked in: [ 57.570871] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 57.572041] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.573088] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 57.573765] 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 [ 57.575957] RSP: 0018:ffff8880166bfc00 EFLAGS: 00010282 [ 57.576681] RAX: 0000000000000000 RBX: ffff88800f0d0440 RCX: 0000000000000000 [ 57.577619] RDX: ffff888017e93680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 57.578559] RBP: ffff88800f0d0454 R08: 0000000000000001 R09: 0000000000000000 [ 57.579494] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 57.580426] R13: ffffffff84e223a0 R14: ffff88800f0d0448 R15: ffffffff84da62e0 [ 57.581386] FS: 000055555649d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 57.582438] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.583211] CR2: 00007f83fcbe66f4 CR3: 0000000009ee0000 CR4: 0000000000350ee0 [ 57.584106] Call Trace: [ 57.584485] [ 57.584797] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 57.585482] ipv6_frags_init_net+0x206/0x3c0 [ 57.586063] ops_init+0xbb/0x6b0 [ 57.586554] setup_net+0x3d9/0x990 [ 57.587026] ? down_read_killable+0x1d7/0x4e0 [ 57.587647] ? __pfx_setup_net+0x10/0x10 [ 57.588206] ? copy_net_ns+0x17c/0x770 [ 57.588729] copy_net_ns+0x321/0x770 [ 57.589292] create_new_namespaces+0x3f6/0xb30 [ 57.589907] unshare_nsproxy_namespaces+0xc1/0x200 [ 57.590574] ksys_unshare+0x44d/0x8e0 [ 57.591084] ? __pfx_ksys_unshare+0x10/0x10 [ 57.591681] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 57.592460] __x64_sys_unshare+0x31/0x40 [ 57.593011] do_syscall_64+0x3f/0x90 [ 57.593545] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 57.594250] RIP: 0033:0x7f9cacaeb0d7 [ 57.594740] 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 [ 57.597017] RSP: 002b:00007ffd9853beb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 57.598013] RAX: ffffffffffffffda RBX: 00007ffd9853c4f8 RCX: 00007f9cacaeb0d7 [ 57.598947] RDX: 00007f9cacb5541f RSI: 00007ffd9853be50 RDI: 0000000040000000 [ 57.599913] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd9853bc60 [ 57.600863] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9cacbfdbf0 [ 57.601799] R13: 00007ffd9853bf90 R14: 0000000000000000 R15: 00000000000000f8 [ 57.602807] [ 57.603121] irq event stamp: 10757 [ 57.603608] hardirqs last enabled at (10769): [] __up_console_sem+0x78/0x80 [ 57.604722] hardirqs last disabled at (10780): [] __up_console_sem+0x5d/0x80 [ 57.605863] softirqs last enabled at (10026): [] irq_exit_rcu+0x93/0xc0 [ 57.606947] softirqs last disabled at (10005): [] irq_exit_rcu+0x93/0xc0 [ 57.608026] ---[ end trace 0000000000000000 ]--- [ 57.609466] ------------[ cut here ]------------ [ 57.610078] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 57.612113] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 57.613247] Modules linked in: [ 57.613664] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 57.614875] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 57.615936] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 57.616638] 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 [ 57.618914] RSP: 0018:ffff8880166bfbf0 EFLAGS: 00010286 [ 57.619637] RAX: 0000000000000000 RBX: ffff88800f0d0c40 RCX: 0000000000000000 [ 57.620563] RDX: ffff888017e93680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 57.621526] RBP: ffff88800f0d0c54 R08: 0000000000000001 R09: 0000000000000000 [ 57.622446] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 57.623386] R13: ffffffff84e223a0 R14: ffff88800f0d0c48 R15: ffffffff84daf020 [ 57.624320] FS: 000055555649d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 57.625383] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 57.626118] CR2: 00007f83fcbe66f4 CR3: 0000000009ee0000 CR4: 0000000000350ee0 [ 57.627064] Call Trace: [ 57.627457] [ 57.627769] nf_ct_net_init+0x224/0x3d0 [ 57.628344] ? __pfx_nf_ct_net_init+0x10/0x10 [ 57.628944] ops_init+0xbb/0x6b0 [ 57.629433] setup_net+0x3d9/0x990 [ 57.629904] ? down_read_killable+0x1d7/0x4e0 [ 57.630521] ? __pfx_setup_net+0x10/0x10 [ 57.631047] ? copy_net_ns+0x17c/0x770 [ 57.631604] copy_net_ns+0x321/0x770 [ 57.632103] create_new_namespaces+0x3f6/0xb30 [ 57.632741] unshare_nsproxy_namespaces+0xc1/0x200 [ 57.633435] ksys_unshare+0x44d/0x8e0 [ 57.633945] ? __pfx_ksys_unshare+0x10/0x10 [ 57.634569] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 57.635374] __x64_sys_unshare+0x31/0x40 [ 57.635921] do_syscall_64+0x3f/0x90 [ 57.636448] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 57.637123] RIP: 0033:0x7f9cacaeb0d7 [ 57.637640] 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 [ 57.639903] RSP: 002b:00007ffd9853beb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 57.640926] RAX: ffffffffffffffda RBX: 00007ffd9853c4f8 RCX: 00007f9cacaeb0d7 [ 57.641860] RDX: 00007f9cacb5541f RSI: 00007ffd9853be50 RDI: 0000000040000000 [ 57.642778] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd9853bc60 [ 57.643710] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9cacbfdbf0 [ 57.644633] R13: 00007ffd9853bf90 R14: 0000000000000000 R15: 00000000000000f8 [ 57.645606] [ 57.645920] irq event stamp: 11529 [ 57.646404] hardirqs last enabled at (11541): [] __up_console_sem+0x78/0x80 [ 57.647504] hardirqs last disabled at (11552): [] __up_console_sem+0x5d/0x80 [ 57.648732] softirqs last enabled at (11224): [] irq_exit_rcu+0x93/0xc0 [ 57.650017] softirqs last disabled at (11219): [] irq_exit_rcu+0x93/0xc0 [ 57.651116] ---[ end trace 0000000000000000 ]--- [ 59.181694] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 61.231507] Bluetooth: hci0: command 0x041b tx timeout executing program [ 63.277308] Bluetooth: hci0: command 0x040f tx timeout [ 65.325300] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 11:28:46 Registers: info registers vcpu 0 RAX=0000000080000000 RBX=0000000000000255 RCX=ffffffff8113c57a RDX=ffff88800cefb680 RSI=0000000000000000 RDI=0000000000000005 RBP=ffff88800dcaff58 RSP=ffff88800dcafed0 R8 =0000000000000005 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=0000000000000007 R13=00007f5af16e1a80 R14=ffff88800d26f740 R15=ffff888015a71180 RIP=ffffffff814bf87b 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 00007f5af226a900 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=00007f5af16e1a80 CR3=000000000ed7e000 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=502031203a5550433d4547415353454d XMM01=69615420302e726f7475636578652d7a XMM02=2d3263722d302e342e36202020202020 XMM03=6465746e69615420302e726f74756365 XMM04=d8f928da5fab84ed0000000000113328 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=88c9d5a339f9b9f700000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000202000002000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000074 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880166bf5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000074 R11=0000000000000001 R12=0000000000000074 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 000055555649d400 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=00007f83fcbe66f4 CR3=0000000009ee0000 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