Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:49556' (ECDSA) to the list of known hosts. 2023/05/17 09:56:15 fuzzer started 2023/05/17 09:56:16 dialing manager at localhost:35573 2023/05/17 09:56:16 checking machine... 2023/05/17 09:56:16 checking revisions... syzkaller login: [ 57.151081] kmemleak: Automatic memory scanning thread ended 2023/05/17 09:56:16 testing simple program... [ 57.215696] cgroup: Unknown subsys name 'net' [ 57.356299] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 70.454749] audit: type=1400 audit(1684317389.694:6): avc: denied { execmem } for pid=263 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 71.590819] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 71.592153] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 71.593252] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 71.595068] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 71.596248] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 71.597612] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 71.978116] ------------[ cut here ]------------ [ 71.978555] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 71.979701] WARNING: CPU: 0 PID: 264 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 71.982008] Modules linked in: [ 71.982497] CPU: 0 PID: 264 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 71.983215] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 71.983839] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 71.984282] 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 [ 71.985673] RSP: 0018:ffff88801589fc00 EFLAGS: 00010282 [ 71.986125] RAX: 0000000000000000 RBX: ffff88800e293040 RCX: 0000000000000000 [ 71.986715] RDX: ffff888009981b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 71.987291] RBP: ffff88800e293054 R08: 0000000000000001 R09: 0000000000000000 [ 71.987854] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 71.988451] R13: ffffffff84e223a0 R14: ffff88800e293048 R15: ffffffff84d73340 [ 71.989022] FS: 0000555555a70400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 71.989635] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.990104] CR2: 00007fd37ab5d6f4 CR3: 000000000f234000 CR4: 0000000000350ef0 [ 71.990872] Call Trace: [ 71.991111] [ 71.991311] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 71.991706] ipv4_frags_init_net+0x269/0x440 [ 71.992145] ops_init+0xbb/0x6b0 [ 71.992445] setup_net+0x3d9/0x990 [ 71.992752] ? down_read_killable+0x1d7/0x4e0 [ 71.993169] ? __pfx_setup_net+0x10/0x10 [ 71.993503] ? copy_net_ns+0x17c/0x770 [ 71.993835] copy_net_ns+0x321/0x770 [ 71.994177] create_new_namespaces+0x3f6/0xb30 [ 71.997149] unshare_nsproxy_namespaces+0xc1/0x200 [ 71.997548] ksys_unshare+0x44d/0x8e0 [ 71.997866] ? __pfx_ksys_unshare+0x10/0x10 [ 71.998238] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 72.000111] __x64_sys_unshare+0x31/0x40 [ 72.000449] do_syscall_64+0x3f/0x90 [ 72.000753] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 72.001182] RIP: 0033:0x7fc48ff640d7 [ 72.001480] 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 [ 72.002923] RSP: 002b:00007fffafc5c008 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 72.003501] RAX: ffffffffffffffda RBX: 00007fffafc5c648 RCX: 00007fc48ff640d7 [ 72.004060] RDX: 00007fc48ffce41f RSI: 00007fffafc5bfa0 RDI: 0000000040000000 [ 72.004602] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffafc5bdb0 [ 72.005208] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc490076bf0 [ 72.005757] R13: 00007fffafc5c0e0 R14: 0000000000000000 R15: 00000000000000f8 [ 72.006363] [ 72.010719] irq event stamp: 8247 [ 72.011042] hardirqs last enabled at (8259): [] __up_console_sem+0x78/0x80 [ 72.011693] hardirqs last disabled at (8268): [] __up_console_sem+0x5d/0x80 [ 72.012371] softirqs last enabled at (7834): [] irq_exit_rcu+0x93/0xc0 [ 72.013025] softirqs last disabled at (7829): [] irq_exit_rcu+0x93/0xc0 [ 72.013662] ---[ end trace 0000000000000000 ]--- [ 72.017530] ------------[ cut here ]------------ [ 72.017934] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 72.019072] WARNING: CPU: 0 PID: 264 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 72.019728] Modules linked in: [ 72.020009] CPU: 0 PID: 264 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 72.020724] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 72.021386] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 72.021795] 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 [ 72.050614] RSP: 0018:ffff88801589fc00 EFLAGS: 00010282 [ 72.051223] RAX: 0000000000000000 RBX: ffff88800d4bc040 RCX: 0000000000000000 [ 72.051769] RDX: ffff888009981b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 72.052407] RBP: ffff88800d4bc054 R08: 0000000000000001 R09: 0000000000000000 [ 72.053005] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 72.053549] R13: ffffffff84e223a0 R14: ffff88800d4bc048 R15: ffffffff84da62e0 [ 72.054112] FS: 0000555555a70400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 72.054761] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.055232] CR2: 00007fd37ab5d6f4 CR3: 000000000f234000 CR4: 0000000000350ef0 [ 72.055777] Call Trace: [ 72.056002] [ 72.056194] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 72.056587] ipv6_frags_init_net+0x206/0x3c0 [ 72.056960] ops_init+0xbb/0x6b0 [ 72.057248] setup_net+0x3d9/0x990 [ 72.057537] ? down_read_killable+0x1d7/0x4e0 [ 72.057917] ? __pfx_setup_net+0x10/0x10 [ 72.058242] ? copy_net_ns+0x17c/0x770 [ 72.058597] copy_net_ns+0x321/0x770 [ 72.058926] create_new_namespaces+0x3f6/0xb30 [ 72.059303] unshare_nsproxy_namespaces+0xc1/0x200 [ 72.059695] ksys_unshare+0x44d/0x8e0 [ 72.060027] ? __pfx_ksys_unshare+0x10/0x10 [ 72.060377] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 72.060832] __x64_sys_unshare+0x31/0x40 [ 72.061182] do_syscall_64+0x3f/0x90 [ 72.061486] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 72.061914] RIP: 0033:0x7fc48ff640d7 [ 72.062212] 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 [ 72.063609] RSP: 002b:00007fffafc5c008 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 72.064227] RAX: ffffffffffffffda RBX: 00007fffafc5c648 RCX: 00007fc48ff640d7 [ 72.064777] RDX: 00007fc48ffce41f RSI: 00007fffafc5bfa0 RDI: 0000000040000000 [ 72.065350] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffafc5bdb0 [ 72.065924] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc490076bf0 [ 72.066512] R13: 00007fffafc5c0e0 R14: 0000000000000000 R15: 00000000000000f8 [ 72.067238] [ 72.067436] irq event stamp: 10285 [ 72.067716] hardirqs last enabled at (10295): [] __up_console_sem+0x78/0x80 [ 72.068430] hardirqs last disabled at (10306): [] __up_console_sem+0x5d/0x80 [ 72.069109] softirqs last enabled at (9924): [] irq_exit_rcu+0x93/0xc0 [ 72.069744] softirqs last disabled at (9903): [] irq_exit_rcu+0x93/0xc0 executing program [ 72.070416] ---[ end trace 0000000000000000 ]--- [ 72.072509] ------------[ cut here ]------------ [ 72.072901] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 72.074138] WARNING: CPU: 0 PID: 264 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 72.078851] Modules linked in: [ 72.079176] CPU: 0 PID: 264 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 72.079905] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 72.080576] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 72.081012] 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 [ 72.082404] RSP: 0018:ffff88801589fbf0 EFLAGS: 00010286 [ 72.082831] RAX: 0000000000000000 RBX: ffff88800db4d240 RCX: 0000000000000000 [ 72.083406] RDX: ffff888009981b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 72.083994] RBP: ffff88800db4d254 R08: 0000000000000001 R09: 0000000000000000 [ 72.084544] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 72.085134] R13: ffffffff84e223a0 R14: ffff88800db4d248 R15: ffffffff84daf020 [ 72.085681] FS: 0000555555a70400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 72.086310] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.086808] CR2: 00007fd37ab5d6f4 CR3: 000000000f234000 CR4: 0000000000350ef0 [ 72.087369] Call Trace: [ 72.087578] [ 72.087770] nf_ct_net_init+0x224/0x3d0 [ 72.088121] ? __pfx_nf_ct_net_init+0x10/0x10 [ 72.088487] ops_init+0xbb/0x6b0 [ 72.088773] setup_net+0x3d9/0x990 [ 72.089110] ? down_read_killable+0x1d7/0x4e0 [ 72.089470] ? __pfx_setup_net+0x10/0x10 [ 72.089789] ? copy_net_ns+0x17c/0x770 [ 72.090168] copy_net_ns+0x321/0x770 [ 72.090514] create_new_namespaces+0x3f6/0xb30 [ 72.090927] unshare_nsproxy_namespaces+0xc1/0x200 [ 72.091332] ksys_unshare+0x44d/0x8e0 [ 72.091655] ? __pfx_ksys_unshare+0x10/0x10 [ 72.092040] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 72.092511] __x64_sys_unshare+0x31/0x40 [ 72.092848] do_syscall_64+0x3f/0x90 [ 72.093186] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 72.093601] RIP: 0033:0x7fc48ff640d7 [ 72.093926] 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 [ 72.095352] RSP: 002b:00007fffafc5c008 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 72.095978] RAX: ffffffffffffffda RBX: 00007fffafc5c648 RCX: 00007fc48ff640d7 [ 72.096539] RDX: 00007fc48ffce41f RSI: 00007fffafc5bfa0 RDI: 0000000040000000 [ 72.097135] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffafc5bdb0 [ 72.097702] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc490076bf0 [ 72.098277] R13: 00007fffafc5c0e0 R14: 0000000000000000 R15: 00000000000000f8 [ 72.098871] [ 72.099095] irq event stamp: 11047 [ 72.099378] hardirqs last enabled at (11057): [] __up_console_sem+0x78/0x80 [ 72.100071] hardirqs last disabled at (11068): [] __up_console_sem+0x5d/0x80 [ 72.100735] softirqs last enabled at (10676): [] irq_exit_rcu+0x93/0xc0 [ 72.101410] softirqs last disabled at (10671): [] irq_exit_rcu+0x93/0xc0 [ 72.102086] ---[ end trace 0000000000000000 ]--- [ 73.675106] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 75.721997] Bluetooth: hci0: command 0x041b tx timeout [ 77.769995] Bluetooth: hci0: command 0x040f tx timeout executing program [ 79.818567] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 09:56:18 Registers: info registers vcpu 0 RAX=ffffffff8612d26b RBX=0000000000000001 RCX=0000000000000000 RDX=0000000000000000 RSI=1ffffffff0c25a4d RDI=ffffffff85df5364 RBP=ffff88801589f640 RSP=ffff88801589f578 R8 =ffffffff8612d266 R9 =ffffffff8612d26a R10=0000000000038001 R11=0000000000020d59 R12=ffff88801589f648 R13=ffff88801589f630 R14=ffff88801589f629 R15=ffff88801589f5e8 RIP=ffffffff8113177a RFL=00000016 [----AP-] 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 0000555555a70400 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=00007fd37ab5d6f4 CR3=000000000f234000 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=0000000000000001 RCX=ffffffff844e836b RDX=fffffbfff0abfccd RSI=0000000000000004 RDI=ffffffff855fe660 RBP=ffffffff855fe660 RSP=ffff888017bff800 R8 =0000000000000000 R9 =fffffbfff0abfccc R10=ffffffff855fe663 R11=0000000000000001 R12=0000000000000003 R13=fffffbfff0abfccc R14=0000000000000001 R15=1ffff11002f7ff01 RIP=ffffffff844e83e8 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 00007fca91917700 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=00007f67cb657060 CR3=000000000d4ac000 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=25efa5cce5a464baed41444d013a20cc XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=199ead996d51e1f70000000000111040 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=aefb33dbe8017ef200000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00200000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000