Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:12166' (ECDSA) to the list of known hosts. 2023/05/17 09:53:46 fuzzer started 2023/05/17 09:53:47 dialing manager at localhost:35573 2023/05/17 09:53:47 checking machine... 2023/05/17 09:53:47 checking revisions... syzkaller login: [ 43.665525] kmemleak: Automatic memory scanning thread ended 2023/05/17 09:53:47 testing simple program... [ 43.719806] cgroup: Unknown subsys name 'net' [ 43.810346] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 57.010685] audit: type=1400 audit(1684317240.497:6): avc: denied { execmem } for pid=256 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 58.097333] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.103345] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.104199] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.111154] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.112316] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 58.113134] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.430851] ------------[ cut here ]------------ [ 58.431301] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 58.432510] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.433844] Modules linked in: [ 58.434112] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.434920] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.435593] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.436023] 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 [ 58.437512] RSP: 0018:ffff88801b8d7c00 EFLAGS: 00010282 [ 58.437960] RAX: 0000000000000000 RBX: ffff88800df9e840 RCX: 0000000000000000 [ 58.438834] RDX: ffff888019380000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.439511] RBP: ffff88800df9e854 R08: 0000000000000001 R09: 0000000000000000 [ 58.440084] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.440678] R13: ffffffff84e223a0 R14: ffff88800df9e848 R15: ffffffff84d73340 [ 58.441298] FS: 00005555558ef400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 58.441991] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.442554] CR2: 00007f82efb9e6f4 CR3: 000000000e1c4000 CR4: 0000000000350ef0 [ 58.443131] Call Trace: [ 58.443349] [ 58.443594] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 58.444006] ipv4_frags_init_net+0x269/0x440 [ 58.444386] ops_init+0xbb/0x6b0 [ 58.444724] setup_net+0x3d9/0x990 [ 58.445215] ? down_read_killable+0x1d7/0x4e0 [ 58.445670] ? __pfx_setup_net+0x10/0x10 [ 58.446019] ? copy_net_ns+0x17c/0x770 [ 58.446365] copy_net_ns+0x321/0x770 [ 58.446727] create_new_namespaces+0x3f6/0xb30 [ 58.447135] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.447630] ksys_unshare+0x44d/0x8e0 [ 58.447978] ? __pfx_ksys_unshare+0x10/0x10 [ 58.448355] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.448896] __x64_sys_unshare+0x31/0x40 [ 58.449360] do_syscall_64+0x3f/0x90 [ 58.449728] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.450170] RIP: 0033:0x7fcdb65670d7 [ 58.450521] 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 [ 58.451937] RSP: 002b:00007ffda8c30828 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.452559] RAX: ffffffffffffffda RBX: 00007ffda8c30e68 RCX: 00007fcdb65670d7 [ 58.453257] RDX: 00007fcdb65d141f RSI: 00007ffda8c307c0 RDI: 0000000040000000 [ 58.453885] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffda8c305d0 [ 58.454501] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fcdb6679bf0 [ 58.455068] R13: 00007ffda8c30900 R14: 0000000000000000 R15: 00000000000000f8 [ 58.455715] [ 58.455931] irq event stamp: 8485 [ 58.456199] hardirqs last enabled at (8495): [] __up_console_sem+0x78/0x80 [ 58.456956] hardirqs last disabled at (8506): [] __up_console_sem+0x5d/0x80 [ 58.457656] softirqs last enabled at (8010): [] irq_exit_rcu+0x93/0xc0 [ 58.458306] softirqs last disabled at (7683): [] irq_exit_rcu+0x93/0xc0 [ 58.459011] ---[ end trace 0000000000000000 ]--- [ 58.463572] ------------[ cut here ]------------ [ 58.463965] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 58.465188] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.465922] Modules linked in: [ 58.466176] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.466959] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.467642] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.468081] 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 [ 58.469621] RSP: 0018:ffff88801b8d7c00 EFLAGS: 00010282 [ 58.470075] RAX: 0000000000000000 RBX: ffff888015b84040 RCX: 0000000000000000 [ 58.470715] RDX: ffff888019380000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.471331] RBP: ffff888015b84054 R08: 0000000000000001 R09: 0000000000000000 [ 58.471965] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.472617] R13: ffffffff84e223a0 R14: ffff888015b84048 R15: ffffffff84da62e0 [ 58.474210] FS: 00005555558ef400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 58.476203] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.477643] CR2: 00007f82efb9e6f4 CR3: 000000000e1c4000 CR4: 0000000000350ef0 [ 58.479345] Call Trace: [ 58.480709] [ 58.481317] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 58.482579] ipv6_frags_init_net+0x206/0x3c0 [ 58.483685] ops_init+0xbb/0x6b0 [ 58.484580] setup_net+0x3d9/0x990 [ 58.485498] ? down_read_killable+0x1d7/0x4e0 [ 58.486575] ? __pfx_setup_net+0x10/0x10 [ 58.488810] ? copy_net_ns+0x17c/0x770 [ 58.489896] copy_net_ns+0x321/0x770 [ 58.490905] create_new_namespaces+0x3f6/0xb30 [ 58.492129] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.493594] ksys_unshare+0x44d/0x8e0 [ 58.494633] ? __pfx_ksys_unshare+0x10/0x10 [ 58.495841] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.497472] __x64_sys_unshare+0x31/0x40 [ 58.498687] do_syscall_64+0x3f/0x90 [ 58.499697] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.501103] RIP: 0033:0x7fcdb65670d7 [ 58.502110] 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 [ 58.507099] RSP: 002b:00007ffda8c30828 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.509597] RAX: ffffffffffffffda RBX: 00007ffda8c30e68 RCX: 00007fcdb65670d7 [ 58.510979] RDX: 00007fcdb65d141f RSI: 00007ffda8c307c0 RDI: 0000000040000000 [ 58.512393] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffda8c305d0 [ 58.513275] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fcdb6679bf0 [ 58.513865] R13: 00007ffda8c30900 R14: 0000000000000000 R15: 00000000000000f8 [ 58.514427] [ 58.514623] irq event stamp: 10157 [ 58.514939] hardirqs last enabled at (10169): [] __up_console_sem+0x78/0x80 [ 58.515587] hardirqs last disabled at (10178): [] __up_console_sem+0x5d/0x80 [ 58.516284] softirqs last enabled at (9922): [] irq_exit_rcu+0x93/0xc0 [ 58.517001] softirqs last disabled at (9905): [] irq_exit_rcu+0x93/0xc0 [ 58.517730] ---[ end trace 0000000000000000 ]--- [ 58.519517] ------------[ cut here ]------------ [ 58.520728] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 58.524348] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.525452] Modules linked in: [ 58.525713] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.526535] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.527249] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.527657] 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 [ 58.529221] RSP: 0018:ffff88801b8d7bf0 EFLAGS: 00010286 [ 58.529642] RAX: 0000000000000000 RBX: ffff88800c4c6040 RCX: 0000000000000000 [ 58.530374] RDX: ffff888019380000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.531026] RBP: ffff88800c4c6054 R08: 0000000000000001 R09: 0000000000000000 [ 58.531577] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 58.533676] R13: ffffffff84e223a0 R14: ffff88800c4c6048 R15: ffffffff84daf020 [ 58.534449] FS: 00005555558ef400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 58.535182] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.535702] CR2: 00007f82efb9e6f4 CR3: 000000000e1c4000 CR4: 0000000000350ef0 [ 58.536336] Call Trace: [ 58.536646] [ 58.536957] nf_ct_net_init+0x224/0x3d0 [ 58.537328] ? __pfx_nf_ct_net_init+0x10/0x10 [ 58.537855] ops_init+0xbb/0x6b0 [ 58.538145] setup_net+0x3d9/0x990 [ 58.538518] ? down_read_killable+0x1d7/0x4e0 [ 58.538931] ? __pfx_setup_net+0x10/0x10 [ 58.539253] ? copy_net_ns+0x17c/0x770 [ 58.539627] copy_net_ns+0x321/0x770 [ 58.539955] create_new_namespaces+0x3f6/0xb30 [ 58.540327] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.540793] ksys_unshare+0x44d/0x8e0 [ 58.541151] ? __pfx_ksys_unshare+0x10/0x10 [ 58.541722] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.542236] __x64_sys_unshare+0x31/0x40 [ 58.542667] do_syscall_64+0x3f/0x90 [ 58.543007] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.543467] RIP: 0033:0x7fcdb65670d7 [ 58.543788] 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 [ 58.545219] RSP: 002b:00007ffda8c30828 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.546287] RAX: ffffffffffffffda RBX: 00007ffda8c30e68 RCX: 00007fcdb65670d7 [ 58.546961] RDX: 00007fcdb65d141f RSI: 00007ffda8c307c0 RDI: 0000000040000000 [ 58.547580] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffda8c305d0 [ 58.548136] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fcdb6679bf0 executing program [ 58.548786] R13: 00007ffda8c30900 R14: 0000000000000000 R15: 00000000000000f8 [ 58.549449] [ 58.549650] irq event stamp: 11899 [ 58.549955] hardirqs last enabled at (11911): [] __up_console_sem+0x78/0x80 [ 58.550660] hardirqs last disabled at (11920): [] __up_console_sem+0x5d/0x80 [ 58.551354] softirqs last enabled at (11828): [] irq_exit_rcu+0x93/0xc0 [ 58.552103] softirqs last disabled at (11941): [] irq_exit_rcu+0x93/0xc0 [ 58.552882] ---[ end trace 0000000000000000 ]--- [ 60.177684] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 62.224844] Bluetooth: hci0: command 0x041b tx timeout [ 64.272840] Bluetooth: hci0: command 0x040f tx timeout executing program [ 66.321164] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 09:53:58 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffffffff81204c51 RCX=0000000000000000 RDX=ffff888019380000 RSI=ffffffff844356d4 RDI=0000000000000006 RBP=ffffffff84415c16 RSP=ffff88801b8d7a90 R8 =0000000000000006 R9 =ffffffff84415c16 R10=ffffffff81204c51 R11=0000000000000000 R12=ffffffff85d4120c R13=dffffc0000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff814bf870 RFL=00000087 [--S--PC] 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 00005555558ef400 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=00007f82efb9e6f4 CR3=000000000e1c4000 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=0000000080000000 RBX=fffffffffffcc790 RCX=ffffffff8130751a RDX=ffff88800f46b680 RSI=0000000000000000 RDI=0000000000000006 RBP=ffff88800cf3f880 RSP=ffff88800cf3f798 R8 =0000000000000006 R9 =fffffffffffcc790 R10=fffffffffffcc790 R11=0000000000000000 R12=ffffffff87aee460 R13=fffffffffffcc790 R14=fffffffffffcc760 R15=00003fffffffffff RIP=ffffffff814bf87b RFL=00000246 [---Z-P-] 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 00007f0b4e63c700 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=00007facfc7a7000 CR3=00000000069fe000 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=9ae588f43783c8995e4073b34a025637 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=fee0ca24420a38130000000000114db0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=2aca8267d9cc184800000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000