Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:31426' (ECDSA) to the list of known hosts. 2023/05/17 06:26:18 fuzzer started 2023/05/17 06:26:18 dialing manager at localhost:35573 2023/05/17 06:26:18 checking machine... 2023/05/17 06:26:18 checking revisions... syzkaller login: [ 46.983827] kmemleak: Automatic memory scanning thread ended 2023/05/17 06:26:18 testing simple program... [ 47.053729] cgroup: Unknown subsys name 'net' [ 47.147971] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 60.060278] audit: type=1400 audit(1684304791.834:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 61.160346] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 61.161854] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 61.164331] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 61.173031] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 61.175932] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 61.177625] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 61.576663] ------------[ cut here ]------------ [ 61.577851] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 61.579892] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.581184] Modules linked in: [ 61.581668] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 61.586335] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.587351] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.588001] 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 [ 61.590204] RSP: 0018:ffff888018b07c00 EFLAGS: 00010282 [ 61.590858] RAX: 0000000000000000 RBX: ffff88800dba0840 RCX: 0000000000000000 [ 61.591749] RDX: ffff888016e80000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 61.592626] RBP: ffff88800dba0854 R08: 0000000000000001 R09: 0000000000000000 [ 61.593508] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 61.594406] R13: ffffffff84e223a0 R14: ffff88800dba0848 R15: ffffffff84d73340 [ 61.595289] FS: 0000555555dff400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 61.596280] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.596986] CR2: 00007f8b4972b6f4 CR3: 000000000ed68000 CR4: 0000000000350ee0 [ 61.597876] Call Trace: [ 61.598236] [ 61.598540] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 61.599183] ipv4_frags_init_net+0x269/0x440 [ 61.599751] ops_init+0xbb/0x6b0 [ 61.600228] setup_net+0x3d9/0x990 [ 61.600678] ? down_read_killable+0x1d7/0x4e0 [ 61.601273] ? __pfx_setup_net+0x10/0x10 [ 61.601783] ? copy_net_ns+0x17c/0x770 [ 61.602351] copy_net_ns+0x321/0x770 [ 61.602841] create_new_namespaces+0x3f6/0xb30 [ 61.603454] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.604096] ksys_unshare+0x44d/0x8e0 [ 61.604591] ? __pfx_ksys_unshare+0x10/0x10 [ 61.605160] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.605878] __x64_sys_unshare+0x31/0x40 [ 61.606429] do_syscall_64+0x3f/0x90 [ 61.606907] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.607577] RIP: 0033:0x7f7d8df960d7 [ 61.608070] 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 [ 61.610234] RSP: 002b:00007ffd161753b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 61.611171] RAX: ffffffffffffffda RBX: 00007ffd161759f8 RCX: 00007f7d8df960d7 [ 61.612032] RDX: 00007f7d8e00041f RSI: 00007ffd16175350 RDI: 0000000040000000 [ 61.612958] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd16175160 [ 61.613863] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7d8e0a8bf0 [ 61.614822] R13: 00007ffd16175490 R14: 0000000000000000 R15: 00000000000000f8 [ 61.615802] [ 61.616135] irq event stamp: 7677 [ 61.616558] hardirqs last enabled at (7687): [] __up_console_sem+0x78/0x80 [ 61.617603] hardirqs last disabled at (7698): [] __up_console_sem+0x5d/0x80 [ 61.618730] softirqs last enabled at (7584): [] irq_exit_rcu+0x93/0xc0 [ 61.619766] softirqs last disabled at (7579): [] irq_exit_rcu+0x93/0xc0 [ 61.620791] ---[ end trace 0000000000000000 ]--- [ 61.626371] ------------[ cut here ]------------ [ 61.627076] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 61.628796] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.629848] Modules linked in: [ 61.630303] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 61.631476] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.632498] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.633163] 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 [ 61.635348] RSP: 0018:ffff888018b07c00 EFLAGS: 00010282 [ 61.636003] RAX: 0000000000000000 RBX: ffff888014619c40 RCX: 0000000000000000 [ 61.636883] RDX: ffff888016e80000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 61.637775] RBP: ffff888014619c54 R08: 0000000000000001 R09: 0000000000000000 [ 61.638672] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 61.639557] R13: ffffffff84e223a0 R14: ffff888014619c48 R15: ffffffff84da62e0 [ 61.640448] FS: 0000555555dff400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 61.641448] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.642215] CR2: 00007f8b4972b6f4 CR3: 000000000ed68000 CR4: 0000000000350ee0 [ 61.643108] Call Trace: [ 61.643432] [ 61.643724] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 61.644370] ipv6_frags_init_net+0x206/0x3c0 [ 61.644930] ops_init+0xbb/0x6b0 [ 61.645397] setup_net+0x3d9/0x990 [ 61.645854] ? down_read_killable+0x1d7/0x4e0 [ 61.646460] ? __pfx_setup_net+0x10/0x10 [ 61.646969] ? copy_net_ns+0x17c/0x770 [ 61.647498] copy_net_ns+0x321/0x770 [ 61.647977] create_new_namespaces+0x3f6/0xb30 [ 61.648585] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.649227] ksys_unshare+0x44d/0x8e0 [ 61.649718] ? __pfx_ksys_unshare+0x10/0x10 [ 61.650311] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.651025] __x64_sys_unshare+0x31/0x40 [ 61.651566] do_syscall_64+0x3f/0x90 [ 61.652038] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.652695] RIP: 0033:0x7f7d8df960d7 [ 61.653183] 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 [ 61.655352] RSP: 002b:00007ffd161753b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 61.656293] RAX: ffffffffffffffda RBX: 00007ffd161759f8 RCX: 00007f7d8df960d7 [ 61.657175] RDX: 00007f7d8e00041f RSI: 00007ffd16175350 RDI: 0000000040000000 [ 61.658066] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd16175160 [ 61.658932] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7d8e0a8bf0 [ 61.659816] R13: 00007ffd16175490 R14: 0000000000000000 R15: 00000000000000f8 [ 61.660722] [ 61.661022] irq event stamp: 9315 [ 61.661471] hardirqs last enabled at (9327): [] __up_console_sem+0x78/0x80 [ 61.662539] hardirqs last disabled at (9338): [] __up_console_sem+0x5d/0x80 [ 61.663612] softirqs last enabled at (8752): [] irq_exit_rcu+0x93/0xc0 [ 61.664655] softirqs last disabled at (8701): [] irq_exit_rcu+0x93/0xc0 [ 61.665676] ---[ end trace 0000000000000000 ]--- [ 61.667001] ------------[ cut here ]------------ [ 61.667634] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 61.669510] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.670623] Modules linked in: [ 61.671061] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 61.672237] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.673262] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.673903] 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 [ 61.676080] RSP: 0018:ffff888018b07bf0 EFLAGS: 00010286 [ 61.676729] RAX: 0000000000000000 RBX: ffff88800afc1a40 RCX: 0000000000000000 [ 61.677612] RDX: ffff888016e80000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 61.678515] RBP: ffff88800afc1a54 R08: 0000000000000001 R09: 0000000000000000 [ 61.679394] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 61.680282] R13: ffffffff84e223a0 R14: ffff88800afc1a48 R15: ffffffff84daf020 [ 61.681161] FS: 0000555555dff400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 61.682150] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.682875] CR2: 00007f8b4972b6f4 CR3: 000000000ed68000 CR4: 0000000000350ee0 [ 61.683764] Call Trace: [ 61.684121] [ 61.684424] nf_ct_net_init+0x224/0x3d0 [ 61.684935] ? __pfx_nf_ct_net_init+0x10/0x10 [ 61.685541] ops_init+0xbb/0x6b0 [ 61.685985] setup_net+0x3d9/0x990 [ 61.686468] ? down_read_killable+0x1d7/0x4e0 [ 61.687031] ? __pfx_setup_net+0x10/0x10 [ 61.687562] ? copy_net_ns+0x17c/0x770 [ 61.688084] copy_net_ns+0x321/0x770 [ 61.688564] create_new_namespaces+0x3f6/0xb30 [ 61.689172] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.689782] ksys_unshare+0x44d/0x8e0 [ 61.690315] ? __pfx_ksys_unshare+0x10/0x10 [ 61.690866] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.691606] __x64_sys_unshare+0x31/0x40 [ 61.692155] do_syscall_64+0x3f/0x90 [ 61.692626] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.693286] RIP: 0033:0x7f7d8df960d7 [ 61.693758] 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 [ 61.695917] RSP: 002b:00007ffd161753b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 61.696859] RAX: ffffffffffffffda RBX: 00007ffd161759f8 RCX: 00007f7d8df960d7 [ 61.697749] RDX: 00007f7d8e00041f RSI: 00007ffd16175350 RDI: 0000000040000000 [ 61.698657] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd16175160 [ 61.699542] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7d8e0a8bf0 [ 61.700424] R13: 00007ffd16175490 R14: 0000000000000000 R15: 00000000000000f8 [ 61.701329] [ 61.701635] irq event stamp: 10055 [ 61.702093] hardirqs last enabled at (10067): [] __up_console_sem+0x78/0x80 [ 61.703162] hardirqs last disabled at (10078): [] __up_console_sem+0x5d/0x80 [ 61.704231] softirqs last enabled at (9608): [] irq_exit_rcu+0x93/0xc0 [ 61.705257] softirqs last disabled at (9603): [] irq_exit_rcu+0x93/0xc0 [ 61.706296] ---[ end trace 0000000000000000 ]--- executing program [ 63.246736] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 65.294339] Bluetooth: hci0: command 0x041b tx timeout [ 67.342553] Bluetooth: hci0: command 0x040f tx timeout executing program [ 69.390131] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 06:26:15 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff88806ce396c0 RCX=1ffff11001b64a8a RDX=1ffff11001b64808 RSI=ffff88800f489bc0 RDI=ffff88800db24000 RBP=ffff88800f489bc0 RSP=ffff8880166cf9f8 R8 =ffff88800db24000 R9 =ffff88800f489c38 R10=ffffffff85d34a17 R11=0000000000000001 R12=ffff88800f489b40 R13=ffff888019e13680 R14=ffff888019e13700 R15=ffff88800db24000 RIP=ffffffff8125c9d2 RFL=00000092 [--S-A--] 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 00007fabe7189700 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=00007f942c4eb3e0 CR3=0000000016582000 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=2033333a36323a36302037312079614d XMM01=5d3836363138352e31362020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d38 XMM07=6e72656b2072656c6c616b7a79732033 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888018b075f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555555dff400 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=00007f8b4972b6f4 CR3=000000000ed68000 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