Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:45340' (ECDSA) to the list of known hosts. 2023/05/18 06:58:40 fuzzer started 2023/05/18 06:58:40 dialing manager at localhost:44319 2023/05/18 06:58:40 checking machine... 2023/05/18 06:58:40 checking revisions... syzkaller login: [ 32.994415] kmemleak: Automatic memory scanning thread ended 2023/05/18 06:58:41 testing simple program... [ 33.060678] cgroup: Unknown subsys name 'net' [ 33.140016] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 46.451074] audit: type=1400 audit(1684393134.462:6): 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 [ 47.573661] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 47.575836] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 47.577767] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 47.580777] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 47.582723] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 47.584022] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 47.960717] ------------[ cut here ]------------ [ 47.961560] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 47.963578] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 47.964858] Modules linked in: [ 47.965374] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 47.970197] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.971231] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 47.971877] 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 [ 47.974078] RSP: 0018:ffff88800f85fc00 EFLAGS: 00010282 [ 47.974770] RAX: 0000000000000000 RBX: ffff88800daedc40 RCX: 0000000000000000 [ 47.975664] RDX: ffff88801a1d8000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 47.976597] RBP: ffff88800daedc54 R08: 0000000000000001 R09: 0000000000000000 [ 47.977478] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 47.978358] R13: ffffffff84e23fe0 R14: ffff88800daedc48 R15: ffffffff84d74dc0 [ 47.979254] FS: 00005555570a5400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 47.980237] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.980952] CR2: 00007fd1769d56f4 CR3: 000000000fc44000 CR4: 0000000000350ee0 [ 47.981839] Call Trace: [ 47.982192] [ 47.982490] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 47.983135] ipv4_frags_init_net+0x269/0x440 [ 47.983709] ops_init+0xbb/0x6b0 [ 47.984192] setup_net+0x3d9/0x990 [ 47.984684] ? down_read_killable+0x1d7/0x4e0 [ 47.985281] ? __pfx_setup_net+0x10/0x10 [ 47.985788] ? copy_net_ns+0x17c/0x770 [ 47.986331] copy_net_ns+0x321/0x770 [ 47.986817] create_new_namespaces+0x3f6/0xb30 [ 47.987444] unshare_nsproxy_namespaces+0xc1/0x200 [ 47.988064] ksys_unshare+0x44d/0x8e0 [ 47.988648] ? __pfx_ksys_unshare+0x10/0x10 [ 47.989242] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 47.989956] __x64_sys_unshare+0x31/0x40 [ 47.990500] do_syscall_64+0x3f/0x90 [ 47.990988] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 47.991665] RIP: 0033:0x7fa65285a0d7 [ 47.992154] 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 [ 47.994332] RSP: 002b:00007ffdeeac1958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 47.995260] RAX: ffffffffffffffda RBX: 00007ffdeeac1f98 RCX: 00007fa65285a0d7 [ 47.996175] RDX: 00007fa6528c441f RSI: 00007ffdeeac18f0 RDI: 0000000040000000 [ 47.997047] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdeeac1700 [ 47.997971] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa65296cbf0 [ 47.998843] R13: 00007ffdeeac1a30 R14: 0000000000000000 R15: 00000000000000f8 [ 47.999737] [ 48.000032] irq event stamp: 9691 [ 48.000496] hardirqs last enabled at (9703): [] __up_console_sem+0x78/0x80 [ 48.001546] hardirqs last disabled at (9714): [] __up_console_sem+0x5d/0x80 [ 48.002596] softirqs last enabled at (9520): [] irq_exit_rcu+0x93/0xc0 [ 48.003614] softirqs last disabled at (9515): [] irq_exit_rcu+0x93/0xc0 [ 48.004664] ---[ end trace 0000000000000000 ]--- [ 48.010049] ------------[ cut here ]------------ [ 48.010673] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 48.012352] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 48.013423] Modules linked in: [ 48.013831] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 48.014994] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.015998] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 48.016688] 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 [ 48.018872] RSP: 0018:ffff88800f85fc00 EFLAGS: 00010282 [ 48.019575] RAX: 0000000000000000 RBX: ffff888013a4ce40 RCX: 0000000000000000 [ 48.020461] RDX: ffff88801a1d8000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 48.021344] RBP: ffff888013a4ce54 R08: 0000000000000001 R09: 0000000000000000 [ 48.022235] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 48.023094] R13: ffffffff84e23fe0 R14: ffff888013a4ce48 R15: ffffffff84da7d60 [ 48.023980] FS: 00005555570a5400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 48.024991] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.025738] CR2: 00007fd1769d56f4 CR3: 000000000fc44000 CR4: 0000000000350ee0 [ 48.026626] Call Trace: [ 48.026949] [ 48.027274] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 48.027879] ipv6_frags_init_net+0x206/0x3c0 [ 48.028467] ops_init+0xbb/0x6b0 [ 48.028913] setup_net+0x3d9/0x990 [ 48.029395] ? down_read_killable+0x1d7/0x4e0 [ 48.029973] ? __pfx_setup_net+0x10/0x10 [ 48.030512] ? copy_net_ns+0x17c/0x770 [ 48.031024] copy_net_ns+0x321/0x770 [ 48.031538] create_new_namespaces+0x3f6/0xb30 [ 48.032149] unshare_nsproxy_namespaces+0xc1/0x200 [ 48.032777] ksys_unshare+0x44d/0x8e0 [ 48.033288] ? __pfx_ksys_unshare+0x10/0x10 [ 48.033830] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 48.034563] __x64_sys_unshare+0x31/0x40 [ 48.035085] do_syscall_64+0x3f/0x90 [ 48.035590] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 48.036263] RIP: 0033:0x7fa65285a0d7 [ 48.036741] 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 [ 48.038895] RSP: 002b:00007ffdeeac1958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 48.039843] RAX: ffffffffffffffda RBX: 00007ffdeeac1f98 RCX: 00007fa65285a0d7 [ 48.040747] RDX: 00007fa6528c441f RSI: 00007ffdeeac18f0 RDI: 0000000040000000 [ 48.041633] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdeeac1700 [ 48.042532] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa65296cbf0 [ 48.043418] R13: 00007ffdeeac1a30 R14: 0000000000000000 R15: 00000000000000f8 [ 48.044316] [ 48.044620] irq event stamp: 11273 [ 48.045047] hardirqs last enabled at (11283): [] __up_console_sem+0x78/0x80 [ 48.046132] hardirqs last disabled at (11296): [] __up_console_sem+0x5d/0x80 [ 48.047184] softirqs last enabled at (10810): [] irq_exit_rcu+0x93/0xc0 [ 48.048214] softirqs last disabled at (10805): [] irq_exit_rcu+0x93/0xc0 [ 48.049267] ---[ end trace 0000000000000000 ]--- [ 48.050596] ------------[ cut here ]------------ [ 48.051197] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 48.053062] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 48.054133] Modules linked in: [ 48.054535] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 48.055683] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.056687] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 48.057357] 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 [ 48.059533] RSP: 0018:ffff88800f85fbf0 EFLAGS: 00010286 [ 48.060210] RAX: 0000000000000000 RBX: ffff888013a4d440 RCX: 0000000000000000 [ 48.061069] RDX: ffff88801a1d8000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 48.061952] RBP: ffff888013a4d454 R08: 0000000000000001 R09: 0000000000000000 [ 48.062840] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 48.063718] R13: ffffffff84e23fe0 R14: ffff888013a4d448 R15: ffffffff84db0aa0 [ 48.064613] FS: 00005555570a5400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 48.065606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.066343] CR2: 00007fd1769d56f4 CR3: 000000000fc44000 CR4: 0000000000350ee0 [ 48.067224] Call Trace: [ 48.067545] [ 48.067845] nf_ct_net_init+0x224/0x3d0 [ 48.068405] ? __pfx_nf_ct_net_init+0x10/0x10 [ 48.068983] ops_init+0xbb/0x6b0 [ 48.069462] setup_net+0x3d9/0x990 [ 48.069916] ? down_read_killable+0x1d7/0x4e0 [ 48.070511] ? __pfx_setup_net+0x10/0x10 [ 48.071017] ? copy_net_ns+0x17c/0x770 [ 48.071551] copy_net_ns+0x321/0x770 [ 48.072033] create_new_namespaces+0x3f6/0xb30 [ 48.072653] unshare_nsproxy_namespaces+0xc1/0x200 [ 48.073285] ksys_unshare+0x44d/0x8e0 [ 48.073768] ? __pfx_ksys_unshare+0x10/0x10 [ 48.074333] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 48.075035] __x64_sys_unshare+0x31/0x40 [ 48.075580] do_syscall_64+0x3f/0x90 [ 48.076048] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 48.076737] RIP: 0033:0x7fa65285a0d7 [ 48.077228] 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 [ 48.079384] RSP: 002b:00007ffdeeac1958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 48.080327] RAX: ffffffffffffffda RBX: 00007ffdeeac1f98 RCX: 00007fa65285a0d7 [ 48.081220] RDX: 00007fa6528c441f RSI: 00007ffdeeac18f0 RDI: 0000000040000000 [ 48.082065] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdeeac1700 [ 48.082949] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa65296cbf0 [ 48.083820] R13: 00007ffdeeac1a30 R14: 0000000000000000 R15: 00000000000000f8 [ 48.084732] [ 48.085033] irq event stamp: 12045 [ 48.085496] hardirqs last enabled at (12057): [] __up_console_sem+0x78/0x80 [ 48.086550] hardirqs last disabled at (12068): [] __up_console_sem+0x5d/0x80 [ 48.087614] softirqs last enabled at (11942): [] irq_exit_rcu+0x93/0xc0 [ 48.088705] softirqs last disabled at (11937): [] irq_exit_rcu+0x93/0xc0 [ 48.089744] ---[ end trace 0000000000000000 ]--- [ 49.653695] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 51.700351] Bluetooth: hci0: command 0x041b tx timeout [ 53.748275] Bluetooth: hci0: command 0x040f tx timeout executing program [ 55.796171] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 06:58:52 Registers: info registers vcpu 0 RAX=000000000001bef7 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=00007fce016d2de0 CR3=00000000169c8000 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=2035353a38353a36302038312079614d XMM01=5d3437333536392e37342020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d34 XMM07=6e72656b2072656c6c616b7a79732035 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000074 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88800f85f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000074 R11=0000000000000001 R12=0000000000000074 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 00005555570a5400 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=00007fd1769d56f4 CR3=000000000fc44000 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