Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:17806' (ECDSA) to the list of known hosts. 2023/05/17 15:07:46 fuzzer started 2023/05/17 15:07:47 dialing manager at localhost:44319 2023/05/17 15:07:47 checking machine... 2023/05/17 15:07:47 checking revisions... syzkaller login: [ 40.298790] kmemleak: Automatic memory scanning thread ended 2023/05/17 15:07:47 testing simple program... [ 40.374731] cgroup: Unknown subsys name 'net' [ 40.466217] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 53.608552] audit: type=1400 audit(1684336080.614:6): 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 [ 54.773901] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 54.775792] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 54.777032] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 54.780481] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.782589] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 54.784160] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 55.172871] ------------[ cut here ]------------ [ 55.173543] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 55.175209] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.176308] Modules linked in: [ 55.176744] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 55.181171] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.182203] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.182905] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 55.185092] RSP: 0018:ffff8880168cfc00 EFLAGS: 00010282 [ 55.185789] RAX: 0000000000000000 RBX: ffff88800c9d2040 RCX: 0000000000000000 [ 55.186682] RDX: ffff88800f671b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 55.187602] RBP: ffff88800c9d2054 R08: 0000000000000001 R09: 0000000000000000 [ 55.188496] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 55.189370] R13: ffffffff84e23fe0 R14: ffff88800c9d2048 R15: ffffffff84d74dc0 [ 55.190304] FS: 0000555556cde400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.191326] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.192081] CR2: 00007f4cdb9f36f4 CR3: 000000000ebf0000 CR4: 0000000000350ee0 [ 55.192997] Call Trace: [ 55.193325] [ 55.193656] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 55.194277] ipv4_frags_init_net+0x269/0x440 [ 55.194891] ops_init+0xbb/0x6b0 [ 55.195347] setup_net+0x3d9/0x990 [ 55.195843] ? down_read_killable+0x1d7/0x4e0 [ 55.196423] ? __pfx_setup_net+0x10/0x10 [ 55.196976] ? copy_net_ns+0x17c/0x770 [ 55.197513] copy_net_ns+0x321/0x770 [ 55.197998] create_new_namespaces+0x3f6/0xb30 [ 55.198613] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.199252] ksys_unshare+0x44d/0x8e0 [ 55.199788] ? __pfx_ksys_unshare+0x10/0x10 [ 55.200348] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.201103] __x64_sys_unshare+0x31/0x40 [ 55.201654] do_syscall_64+0x3f/0x90 [ 55.202146] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.202837] RIP: 0033:0x7ff7412810d7 [ 55.203305] 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 [ 55.205483] RSP: 002b:00007ffd53cd0528 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.206406] RAX: ffffffffffffffda RBX: 00007ffd53cd0b68 RCX: 00007ff7412810d7 [ 55.207331] RDX: 00007ff7412eb41f RSI: 00007ffd53cd04c0 RDI: 0000000040000000 [ 55.208236] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd53cd02d0 [ 55.209124] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff741393bf0 [ 55.210027] R13: 00007ffd53cd0600 R14: 0000000000000000 R15: 00000000000000f8 [ 55.210954] [ 55.211259] irq event stamp: 9567 [ 55.211715] hardirqs last enabled at (9579): [] __up_console_sem+0x78/0x80 [ 55.212771] hardirqs last disabled at (9590): [] __up_console_sem+0x5d/0x80 [ 55.213846] softirqs last enabled at (9298): [] irq_exit_rcu+0x93/0xc0 [ 55.214898] softirqs last disabled at (9293): [] irq_exit_rcu+0x93/0xc0 [ 55.215955] ---[ end trace 0000000000000000 ]--- [ 55.222008] ------------[ cut here ]------------ [ 55.222637] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 55.224325] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.225413] Modules linked in: [ 55.225856] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 55.227038] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.228077] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.228766] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 55.231280] RSP: 0018:ffff8880168cfc00 EFLAGS: 00010282 [ 55.232019] RAX: 0000000000000000 RBX: ffff888008ef4c40 RCX: 0000000000000000 [ 55.232959] RDX: ffff88800f671b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 55.233885] RBP: ffff888008ef4c54 R08: 0000000000000001 R09: 0000000000000000 [ 55.234850] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.235782] R13: ffffffff84e23fe0 R14: ffff888008ef4c48 R15: ffffffff84da7d60 [ 55.236690] FS: 0000555556cde400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.237702] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.238421] CR2: 00007f4cdb9f36f4 CR3: 000000000ebf0000 CR4: 0000000000350ee0 [ 55.239335] Call Trace: [ 55.239702] [ 55.240004] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 55.240657] ipv6_frags_init_net+0x206/0x3c0 [ 55.241220] ops_init+0xbb/0x6b0 [ 55.241706] setup_net+0x3d9/0x990 [ 55.242170] ? down_read_killable+0x1d7/0x4e0 [ 55.242788] ? __pfx_setup_net+0x10/0x10 [ 55.243341] ? copy_net_ns+0x17c/0x770 [ 55.243893] copy_net_ns+0x321/0x770 [ 55.244389] create_new_namespaces+0x3f6/0xb30 [ 55.245026] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.245686] ksys_unshare+0x44d/0x8e0 [ 55.246190] ? __pfx_ksys_unshare+0x10/0x10 [ 55.246777] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.247552] __x64_sys_unshare+0x31/0x40 [ 55.248077] do_syscall_64+0x3f/0x90 [ 55.248600] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.249257] RIP: 0033:0x7ff7412810d7 [ 55.249772] 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 [ 55.251996] RSP: 002b:00007ffd53cd0528 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.252965] RAX: ffffffffffffffda RBX: 00007ffd53cd0b68 RCX: 00007ff7412810d7 [ 55.253865] RDX: 00007ff7412eb41f RSI: 00007ffd53cd04c0 RDI: 0000000040000000 [ 55.254796] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd53cd02d0 [ 55.255722] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff741393bf0 [ 55.256634] R13: 00007ffd53cd0600 R14: 0000000000000000 R15: 00000000000000f8 [ 55.257576] [ 55.257884] irq event stamp: 11689 [ 55.258335] hardirqs last enabled at (11699): [] __up_console_sem+0x78/0x80 [ 55.259460] hardirqs last disabled at (11712): [] __up_console_sem+0x5d/0x80 [ 55.260545] softirqs last enabled at (11674): [] irq_exit_rcu+0x93/0xc0 [ 55.261603] softirqs last disabled at (11669): [] irq_exit_rcu+0x93/0xc0 [ 55.262640] ---[ end trace 0000000000000000 ]--- [ 55.264080] ------------[ cut here ]------------ [ 55.264798] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 55.266785] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.267893] Modules linked in: [ 55.268310] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 55.269480] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.270506] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.271166] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 55.273374] RSP: 0018:ffff8880168cfbf0 EFLAGS: 00010286 [ 55.274067] RAX: 0000000000000000 RBX: ffff88800d5dea40 RCX: 0000000000000000 [ 55.274979] RDX: ffff88800f671b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 55.275905] RBP: ffff88800d5dea54 R08: 0000000000000001 R09: 0000000000000000 [ 55.276809] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.277728] R13: ffffffff84e23fe0 R14: ffff88800d5dea48 R15: ffffffff84db0aa0 [ 55.278644] FS: 0000555556cde400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.279692] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.280415] CR2: 00007f4cdb9f36f4 CR3: 000000000ebf0000 CR4: 0000000000350ee0 [ 55.281329] Call Trace: [ 55.281691] [ 55.281997] nf_ct_net_init+0x224/0x3d0 [ 55.282561] ? __pfx_nf_ct_net_init+0x10/0x10 [ 55.283153] ops_init+0xbb/0x6b0 [ 55.283637] setup_net+0x3d9/0x990 [ 55.284101] ? down_read_killable+0x1d7/0x4e0 [ 55.284721] ? __pfx_setup_net+0x10/0x10 [ 55.285251] ? copy_net_ns+0x17c/0x770 [ 55.285800] copy_net_ns+0x321/0x770 [ 55.286284] create_new_namespaces+0x3f6/0xb30 [ 55.286929] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.287596] ksys_unshare+0x44d/0x8e0 [ 55.288088] ? __pfx_ksys_unshare+0x10/0x10 [ 55.288665] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.289391] __x64_sys_unshare+0x31/0x40 [ 55.289954] do_syscall_64+0x3f/0x90 [ 55.290477] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.291140] RIP: 0033:0x7ff7412810d7 [ 55.291649] 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 [ 55.293910] RSP: 002b:00007ffd53cd0528 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.294899] RAX: ffffffffffffffda RBX: 00007ffd53cd0b68 RCX: 00007ff7412810d7 [ 55.295807] RDX: 00007ff7412eb41f RSI: 00007ffd53cd04c0 RDI: 0000000040000000 [ 55.296720] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd53cd02d0 [ 55.297639] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff741393bf0 [ 55.298541] R13: 00007ffd53cd0600 R14: 0000000000000000 R15: 00000000000000f8 [ 55.299488] [ 55.299793] irq event stamp: 12523 [ 55.300224] hardirqs last enabled at (12533): [] __up_console_sem+0x78/0x80 [ 55.301314] hardirqs last disabled at (12544): [] __up_console_sem+0x5d/0x80 [ 55.302400] softirqs last enabled at (12006): [] irq_exit_rcu+0x93/0xc0 [ 55.303501] softirqs last disabled at (11965): [] irq_exit_rcu+0x93/0xc0 [ 55.304569] ---[ end trace 0000000000000000 ]--- [ 56.796070] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 58.844108] Bluetooth: hci0: command 0x041b tx timeout [ 60.891555] Bluetooth: hci0: command 0x040f tx timeout executing program [ 62.939543] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 15:07:57 Registers: info registers vcpu 0 RAX=0000000000020991 RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f RFL=00000202 [-------] 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 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=00007f09a1022378 CR3=000000000eada000 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=d4e647cffb49c18a2c461d697fe340b4 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=58966dd656dbc9c0000000000013c210 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=a4e159daec6e9fbd00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000020000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880168cf5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd 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 0000555556cde400 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=00007f4cdb9f36f4 CR3=000000000ebf0000 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