Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:39334' (ECDSA) to the list of known hosts. 2023/05/17 05:18:55 fuzzer started 2023/05/17 05:18:55 dialing manager at localhost:35573 2023/05/17 05:18:55 checking machine... 2023/05/17 05:18:55 checking revisions... syzkaller login: [ 30.981279] kmemleak: Automatic memory scanning thread ended 2023/05/17 05:18:55 testing simple program... [ 31.041720] cgroup: Unknown subsys name 'net' [ 31.150204] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 43.560349] audit: type=1400 audit(1684300748.115:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 44.661551] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 44.663868] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 44.665149] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 44.669021] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 44.671109] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 44.672259] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 45.063403] ------------[ cut here ]------------ [ 45.064253] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 45.066375] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.067725] Modules linked in: [ 45.068209] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.070289] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.072218] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.073240] 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 [ 45.075375] RSP: 0018:ffff88801597fc00 EFLAGS: 00010282 [ 45.076062] RAX: 0000000000000000 RBX: ffff88800e5d0840 RCX: 0000000000000000 [ 45.076977] RDX: ffff888014553680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.077891] RBP: ffff88800e5d0854 R08: 0000000000000001 R09: 0000000000000000 [ 45.078781] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.079662] R13: ffffffff84e223a0 R14: ffff88800e5d0848 R15: ffffffff84d73340 [ 45.080517] FS: 0000555556bc6400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.081630] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.082343] CR2: 00007f4ea3ad36f4 CR3: 0000000009518000 CR4: 0000000000350ef0 [ 45.083238] Call Trace: [ 45.083598] [ 45.083901] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 45.084526] ipv4_frags_init_net+0x269/0x440 [ 45.085121] ops_init+0xbb/0x6b0 [ 45.085592] setup_net+0x3d9/0x990 [ 45.086043] ? down_read_killable+0x1d7/0x4e0 [ 45.086639] ? __pfx_setup_net+0x10/0x10 [ 45.087141] ? copy_net_ns+0x17c/0x770 [ 45.087680] copy_net_ns+0x321/0x770 [ 45.088160] create_new_namespaces+0x3f6/0xb30 [ 45.088812] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.089427] ksys_unshare+0x44d/0x8e0 [ 45.089948] ? __pfx_ksys_unshare+0x10/0x10 [ 45.090506] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.091259] __x64_sys_unshare+0x31/0x40 [ 45.091808] do_syscall_64+0x3f/0x90 [ 45.092278] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.092959] RIP: 0033:0x7f9af0c130d7 [ 45.093420] 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 [ 45.095603] RSP: 002b:00007ffd5097f0b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 45.096533] RAX: ffffffffffffffda RBX: 00007ffd5097f6f8 RCX: 00007f9af0c130d7 [ 45.097422] RDX: 00007f9af0c7d41f RSI: 00007ffd5097f050 RDI: 0000000040000000 [ 45.098321] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd5097ee60 [ 45.099218] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9af0d25bf0 [ 45.100108] R13: 00007ffd5097f190 R14: 0000000000000000 R15: 00000000000000f8 [ 45.101050] [ 45.101354] irq event stamp: 7973 [ 45.101818] hardirqs last enabled at (7985): [] __up_console_sem+0x78/0x80 [ 45.102900] hardirqs last disabled at (7996): [] __up_console_sem+0x5d/0x80 [ 45.103961] softirqs last enabled at (7934): [] irq_exit_rcu+0x93/0xc0 [ 45.105007] softirqs last disabled at (7929): [] irq_exit_rcu+0x93/0xc0 [ 45.106041] ---[ end trace 0000000000000000 ]--- [ 45.111869] ------------[ cut here ]------------ [ 45.112477] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 45.114208] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.115293] Modules linked in: [ 45.115727] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.116888] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.117899] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.118543] 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 [ 45.120750] RSP: 0018:ffff88801597fc00 EFLAGS: 00010282 [ 45.121404] RAX: 0000000000000000 RBX: ffff8880145bdc40 RCX: 0000000000000000 [ 45.122301] RDX: ffff888014553680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.123208] RBP: ffff8880145bdc54 R08: 0000000000000001 R09: 0000000000000000 [ 45.124110] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.125002] R13: ffffffff84e223a0 R14: ffff8880145bdc48 R15: ffffffff84da62e0 [ 45.125906] FS: 0000555556bc6400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.126928] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.127686] CR2: 00007f4ea3ad36f4 CR3: 0000000009518000 CR4: 0000000000350ef0 [ 45.128601] Call Trace: [ 45.128932] [ 45.129227] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 45.129875] ipv6_frags_init_net+0x206/0x3c0 [ 45.130440] ops_init+0xbb/0x6b0 [ 45.130913] setup_net+0x3d9/0x990 [ 45.131372] ? down_read_killable+0x1d7/0x4e0 [ 45.131973] ? __pfx_setup_net+0x10/0x10 [ 45.132497] ? copy_net_ns+0x17c/0x770 [ 45.133044] copy_net_ns+0x321/0x770 [ 45.133551] create_new_namespaces+0x3f6/0xb30 [ 45.134183] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.134860] ksys_unshare+0x44d/0x8e0 [ 45.135371] ? __pfx_ksys_unshare+0x10/0x10 [ 45.135971] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.136733] __x64_sys_unshare+0x31/0x40 [ 45.137249] do_syscall_64+0x3f/0x90 [ 45.137751] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.138391] RIP: 0033:0x7f9af0c130d7 [ 45.138896] 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 [ 45.141113] RSP: 002b:00007ffd5097f0b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 45.142078] RAX: ffffffffffffffda RBX: 00007ffd5097f6f8 RCX: 00007f9af0c130d7 [ 45.142984] RDX: 00007f9af0c7d41f RSI: 00007ffd5097f050 RDI: 0000000040000000 [ 45.143897] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd5097ee60 [ 45.144963] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9af0d25bf0 [ 45.145863] R13: 00007ffd5097f190 R14: 0000000000000000 R15: 00000000000000f8 [ 45.146782] [ 45.147082] irq event stamp: 9845 [ 45.147505] hardirqs last enabled at (9855): [] __up_console_sem+0x78/0x80 [ 45.148587] hardirqs last disabled at (9868): [] __up_console_sem+0x5d/0x80 [ 45.149640] softirqs last enabled at (9272): [] irq_exit_rcu+0x93/0xc0 [ 45.150683] softirqs last disabled at (9255): [] irq_exit_rcu+0x93/0xc0 [ 45.151684] ---[ end trace 0000000000000000 ]--- [ 45.153036] ------------[ cut here ]------------ [ 45.153729] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 45.155714] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.156750] Modules linked in: [ 45.157154] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.158301] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.159301] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.159963] 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 [ 45.162129] RSP: 0018:ffff88801597fbf0 EFLAGS: 00010286 [ 45.162800] RAX: 0000000000000000 RBX: ffff8880145bd240 RCX: 0000000000000000 [ 45.163686] RDX: ffff888014553680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.164596] RBP: ffff8880145bd254 R08: 0000000000000001 R09: 0000000000000000 [ 45.165453] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.166346] R13: ffffffff84e223a0 R14: ffff8880145bd248 R15: ffffffff84daf020 [ 45.167240] FS: 0000555556bc6400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.168244] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.168988] CR2: 00007f4ea3ad36f4 CR3: 0000000009518000 CR4: 0000000000350ef0 [ 45.169888] Call Trace: [ 45.170215] [ 45.170514] nf_ct_net_init+0x224/0x3d0 [ 45.171056] ? __pfx_nf_ct_net_init+0x10/0x10 [ 45.171657] ops_init+0xbb/0x6b0 [ 45.172091] setup_net+0x3d9/0x990 [ 45.172597] ? down_read_killable+0x1d7/0x4e0 [ 45.173162] ? __pfx_setup_net+0x10/0x10 [ 45.173692] ? copy_net_ns+0x17c/0x770 [ 45.174194] copy_net_ns+0x321/0x770 [ 45.174715] create_new_namespaces+0x3f6/0xb30 [ 45.175299] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.175943] ksys_unshare+0x44d/0x8e0 [ 45.176444] ? __pfx_ksys_unshare+0x10/0x10 [ 45.177022] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.177760] __x64_sys_unshare+0x31/0x40 [ 45.178283] do_syscall_64+0x3f/0x90 [ 45.178789] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.179417] RIP: 0033:0x7f9af0c130d7 [ 45.179915] 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 [ 45.182081] RSP: 002b:00007ffd5097f0b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 45.183028] RAX: ffffffffffffffda RBX: 00007ffd5097f6f8 RCX: 00007f9af0c130d7 [ 45.183910] RDX: 00007f9af0c7d41f RSI: 00007ffd5097f050 RDI: 0000000040000000 [ 45.184807] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd5097ee60 [ 45.185693] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9af0d25bf0 [ 45.186597] R13: 00007ffd5097f190 R14: 0000000000000000 R15: 00000000000000f8 [ 45.187482] [ 45.187815] irq event stamp: 10673 [ 45.188245] hardirqs last enabled at (10683): [] __up_console_sem+0x78/0x80 [ 45.189316] hardirqs last disabled at (10694): [] __up_console_sem+0x5d/0x80 [ 45.190368] softirqs last enabled at (10246): [] irq_exit_rcu+0x93/0xc0 [ 45.191400] softirqs last disabled at (10241): [] irq_exit_rcu+0x93/0xc0 [ 45.192428] ---[ end trace 0000000000000000 ]--- executing program [ 46.742198] Bluetooth: hci0: command 0x0409 tx timeout [ 48.789652] Bluetooth: hci0: command 0x041b tx timeout executing program [ 50.837689] Bluetooth: hci0: command 0x040f tx timeout executing program [ 52.885652] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 05:19:07 Registers: info registers vcpu 0 RAX=000000000000006d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801597f618 R8 =0000000000000001 R9 =000000000000000a R10=000000000000006d R11=0000000000000001 R12=000000000000006d 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 0000555556bc6400 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=00007f4ea3ad36f4 CR3=0000000009518000 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=000000000003653d 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=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 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=00007fe70a215190 CR3=000000000e292000 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=322a4ef54162ae8f8a4302b26375f186 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d35f14e95510c1f60000000000112158 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=0334944b8c6c832c00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000