Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:32713' (ECDSA) to the list of known hosts. 2023/05/16 14:54:34 fuzzer started 2023/05/16 14:54:34 dialing manager at localhost:35573 2023/05/16 14:54:34 checking machine... 2023/05/16 14:54:34 checking revisions... syzkaller login: [ 41.554112] kmemleak: Automatic memory scanning thread ended 2023/05/16 14:54:35 testing simple program... [ 41.619138] cgroup: Unknown subsys name 'net' [ 41.690758] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 54.633905] audit: type=1400 audit(1684248888.095:6): 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 [ 55.785922] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 55.787547] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 55.790314] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 55.793603] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 55.795668] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 55.796937] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 56.012569] ------------[ cut here ]------------ [ 56.013042] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 56.014152] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.014818] Modules linked in: [ 56.015121] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.016324] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.018253] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.019207] 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 [ 56.021108] RSP: 0018:ffff888019297c00 EFLAGS: 00010282 [ 56.021541] RAX: 0000000000000000 RBX: ffff88800f4dc040 RCX: 0000000000000000 [ 56.022133] RDX: ffff8880146551c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.022696] RBP: ffff88800f4dc054 R08: 0000000000000001 R09: 0000000000000000 [ 56.023281] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 56.023830] R13: ffffffff84e223a0 R14: ffff88800f4dc048 R15: ffffffff84d73340 [ 56.024405] FS: 00005555555c2400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 56.025061] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.025568] CR2: 00007f83811496f4 CR3: 000000000e9b8000 CR4: 0000000000350ef0 [ 56.026387] Call Trace: [ 56.026690] [ 56.026983] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 56.027541] ipv4_frags_init_net+0x269/0x440 [ 56.028076] ops_init+0xbb/0x6b0 [ 56.028476] setup_net+0x3d9/0x990 [ 56.028913] ? down_read_killable+0x1d7/0x4e0 [ 56.029442] ? __pfx_setup_net+0x10/0x10 [ 56.029933] ? copy_net_ns+0x17c/0x770 [ 56.030393] copy_net_ns+0x321/0x770 [ 56.030829] create_new_namespaces+0x3f6/0xb30 [ 56.031384] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.031968] ksys_unshare+0x44d/0x8e0 [ 56.032423] ? __pfx_ksys_unshare+0x10/0x10 [ 56.032954] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.033592] __x64_sys_unshare+0x31/0x40 [ 56.033947] do_syscall_64+0x3f/0x90 [ 56.034252] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.034673] RIP: 0033:0x7fa98e5b10d7 [ 56.034997] 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 [ 56.036396] RSP: 002b:00007ffe56d012c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 56.037054] RAX: ffffffffffffffda RBX: 00007ffe56d01908 RCX: 00007fa98e5b10d7 [ 56.037629] RDX: 00007fa98e61b41f RSI: 00007ffe56d01260 RDI: 0000000040000000 [ 56.038209] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe56d01070 [ 56.038755] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa98e6c3bf0 [ 56.039337] R13: 00007ffe56d013a0 R14: 0000000000000000 R15: 00000000000000f8 [ 56.039940] [ 56.040142] irq event stamp: 11387 [ 56.040424] hardirqs last enabled at (11397): [] __up_console_sem+0x78/0x80 [ 56.041000] hardirqs last disabled at (11408): [] __up_console_sem+0x5d/0x80 [ 56.041560] softirqs last enabled at (10936): [] irq_exit_rcu+0x93/0xc0 [ 56.042114] softirqs last disabled at (10929): [] irq_exit_rcu+0x93/0xc0 [ 56.042653] ---[ end trace 0000000000000000 ]--- [ 56.047660] ------------[ cut here ]------------ [ 56.048006] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 56.048925] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.049497] Modules linked in: [ 56.049759] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.050371] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.050900] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.051239] 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 [ 56.052384] RSP: 0018:ffff888019297c00 EFLAGS: 00010282 [ 56.052731] RAX: 0000000000000000 RBX: ffff88801394d240 RCX: 0000000000000000 [ 56.053210] RDX: ffff8880146551c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.053659] RBP: ffff88801394d254 R08: 0000000000000001 R09: 0000000000000000 [ 56.054121] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 56.054585] R13: ffffffff84e223a0 R14: ffff88801394d248 R15: ffffffff84da62e0 [ 56.055052] FS: 00005555555c2400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 56.055562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.055949] CR2: 00007f83811496f4 CR3: 000000000e9b8000 CR4: 0000000000350ef0 [ 56.056401] Call Trace: [ 56.056573] [ 56.056730] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 56.057066] ipv6_frags_init_net+0x206/0x3c0 [ 56.057374] ops_init+0xbb/0x6b0 [ 56.057630] setup_net+0x3d9/0x990 [ 56.057905] ? down_read_killable+0x1d7/0x4e0 [ 56.058204] ? __pfx_setup_net+0x10/0x10 [ 56.058475] ? copy_net_ns+0x17c/0x770 [ 56.058743] copy_net_ns+0x321/0x770 [ 56.059018] create_new_namespaces+0x3f6/0xb30 [ 56.059326] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.059657] ksys_unshare+0x44d/0x8e0 [ 56.059939] ? __pfx_ksys_unshare+0x10/0x10 [ 56.060232] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.060612] __x64_sys_unshare+0x31/0x40 [ 56.060912] do_syscall_64+0x3f/0x90 [ 56.061191] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.061536] RIP: 0033:0x7fa98e5b10d7 [ 56.061785] 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 [ 56.062937] RSP: 002b:00007ffe56d012c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 56.063430] RAX: ffffffffffffffda RBX: 00007ffe56d01908 RCX: 00007fa98e5b10d7 [ 56.063905] RDX: 00007fa98e61b41f RSI: 00007ffe56d01260 RDI: 0000000040000000 [ 56.064374] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe56d01070 [ 56.064830] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa98e6c3bf0 [ 56.065315] R13: 00007ffe56d013a0 R14: 0000000000000000 R15: 00000000000000f8 [ 56.065806] [ 56.065989] irq event stamp: 13353 [ 56.066227] hardirqs last enabled at (13363): [] __up_console_sem+0x78/0x80 [ 56.066794] hardirqs last disabled at (13374): [] __up_console_sem+0x5d/0x80 [ 56.067379] softirqs last enabled at (12914): [] irq_exit_rcu+0x93/0xc0 [ 56.067963] softirqs last disabled at (12905): [] irq_exit_rcu+0x93/0xc0 [ 56.068527] ---[ end trace 0000000000000000 ]--- [ 56.070162] ------------[ cut here ]------------ [ 56.070484] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 56.071627] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.072274] Modules linked in: [ 56.072503] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 56.073218] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.073765] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.074150] 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 [ 56.075356] RSP: 0018:ffff888019297bf0 EFLAGS: 00010286 [ 56.075723] RAX: 0000000000000000 RBX: ffff88801394d840 RCX: 0000000000000000 [ 56.076213] RDX: ffff8880146551c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 56.076687] RBP: ffff88801394d854 R08: 0000000000000001 R09: 0000000000000000 [ 56.077184] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 56.077665] R13: ffffffff84e223a0 R14: ffff88801394d848 R15: ffffffff84daf020 [ 56.078160] FS: 00005555555c2400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 56.078700] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.079107] CR2: 00007f83811496f4 CR3: 000000000e9b8000 CR4: 0000000000350ef0 [ 56.079648] Call Trace: [ 56.079832] [ 56.080025] nf_ct_net_init+0x224/0x3d0 [ 56.080303] ? __pfx_nf_ct_net_init+0x10/0x10 [ 56.080622] ops_init+0xbb/0x6b0 [ 56.080884] setup_net+0x3d9/0x990 [ 56.081159] ? down_read_killable+0x1d7/0x4e0 [ 56.081478] ? __pfx_setup_net+0x10/0x10 [ 56.081762] ? copy_net_ns+0x17c/0x770 [ 56.082066] copy_net_ns+0x321/0x770 [ 56.082348] create_new_namespaces+0x3f6/0xb30 [ 56.082670] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.083037] ksys_unshare+0x44d/0x8e0 [ 56.083311] ? __pfx_ksys_unshare+0x10/0x10 [ 56.083614] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.084019] __x64_sys_unshare+0x31/0x40 [ 56.084317] do_syscall_64+0x3f/0x90 [ 56.084583] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.084941] RIP: 0033:0x7fa98e5b10d7 [ 56.085207] 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 [ 56.086430] RSP: 002b:00007ffe56d012c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 56.086968] RAX: ffffffffffffffda RBX: 00007ffe56d01908 RCX: 00007fa98e5b10d7 [ 56.087455] RDX: 00007fa98e61b41f RSI: 00007ffe56d01260 RDI: 0000000040000000 [ 56.087986] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe56d01070 [ 56.088517] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa98e6c3bf0 [ 56.089044] R13: 00007ffe56d013a0 R14: 0000000000000000 R15: 00000000000000f8 [ 56.089589] [ 56.089770] irq event stamp: 14315 [ 56.090046] hardirqs last enabled at (14327): [] __up_console_sem+0x78/0x80 [ 56.090667] hardirqs last disabled at (14336): [] __up_console_sem+0x5d/0x80 [ 56.091366] softirqs last enabled at (13898): [] irq_exit_rcu+0x93/0xc0 [ 56.092068] softirqs last disabled at (13881): [] irq_exit_rcu+0x93/0xc0 [ 56.092697] ---[ end trace 0000000000000000 ]--- executing program [ 57.806583] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 59.854568] Bluetooth: hci0: command 0x041b tx timeout [ 61.901905] Bluetooth: hci0: command 0x040f tx timeout executing program [ 63.949925] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 14:54:37 Registers: info registers vcpu 0 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff825075f0 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888019297580 R8 =0000000000000004 R9 =0000000000000010 R10=0000000000000010 R11=0000000000000001 R12=0000000000002710 R13=0000000000000060 R14=fffffbfff0fe4fd1 R15=dffffc0000000000 RIP=ffffffff82507645 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 00005555555c2400 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=00007f83811496f4 CR3=000000000e9b8000 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=00000000ad87a9f5 RBX=ffffffff877988e0 RCX=00000000112b7ccb RDX=000000007898d571 RSI=00000000fdd0156d RDI=ffffffff87798920 RBP=0000000000000000 RSP=ffff888016bcf4c8 R8 =0000000000000000 R9 =fffffbfff0ef2d38 R10=ffffffff877969c7 R11=0000000000000001 R12=ffff888016b140c0 R13=ffff888016b13680 R14=ffffffff85d35b6c R15=0000000000000000 RIP=ffffffff812d19e4 RFL=00000817 [-O--APC] 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 00007f2ac9687900 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=00007f2ac8af9150 CR3=000000000e782000 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=494e4f544f4e4f4d5f454352554f535f XMM01=49545f43494e4f544f4e4f4d5f454352 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=d35f14e95510c1f60000000000111aa0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=72acdf9906b37fac00000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000