Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:61638' (ECDSA) to the list of known hosts. 2023/05/16 17:46:30 fuzzer started 2023/05/16 17:46:30 dialing manager at localhost:35573 2023/05/16 17:46:31 checking machine... 2023/05/16 17:46:31 checking revisions... syzkaller login: [ 36.495645] kmemleak: Automatic memory scanning thread ended 2023/05/16 17:46:31 testing simple program... [ 36.563219] cgroup: Unknown subsys name 'net' [ 36.633302] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.445851] audit: type=1400 audit(1684259204.088:6): 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 [ 50.563875] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.570786] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.579680] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.582901] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.585759] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.587106] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.962452] ------------[ cut here ]------------ [ 50.963311] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.965633] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.966902] Modules linked in: [ 50.967386] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.972152] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.973325] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.974105] 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 [ 50.976271] RSP: 0018:ffff88801a1c7c00 EFLAGS: 00010282 [ 50.976951] RAX: 0000000000000000 RBX: ffff88800e30a040 RCX: 0000000000000000 [ 50.977854] RDX: ffff88801951b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.978821] RBP: ffff88800e30a054 R08: 0000000000000001 R09: 0000000000000000 [ 50.979746] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.980654] R13: ffffffff84e223a0 R14: ffff88800e30a048 R15: ffffffff84d73340 [ 50.981547] FS: 0000555555f88400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.982538] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.983252] CR2: 00005631856dbcb0 CR3: 0000000018012000 CR4: 0000000000350ee0 [ 50.984153] Call Trace: [ 50.984512] [ 50.984812] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.985415] ipv4_frags_init_net+0x269/0x440 [ 50.986001] ops_init+0xbb/0x6b0 [ 50.986531] setup_net+0x3d9/0x990 [ 50.987046] ? down_read_killable+0x1d7/0x4e0 [ 50.987662] ? __pfx_setup_net+0x10/0x10 [ 50.988190] ? copy_net_ns+0x17c/0x770 [ 50.988720] copy_net_ns+0x321/0x770 [ 50.989201] create_new_namespaces+0x3f6/0xb30 [ 50.989815] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.990424] ksys_unshare+0x44d/0x8e0 [ 50.990950] ? __pfx_ksys_unshare+0x10/0x10 [ 50.991525] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.992249] __x64_sys_unshare+0x31/0x40 [ 50.992794] do_syscall_64+0x3f/0x90 [ 50.993272] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.993937] RIP: 0033:0x7fc1ce4580d7 [ 50.994404] 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 [ 50.996582] RSP: 002b:00007ffe7e4a3368 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.997531] RAX: ffffffffffffffda RBX: 00007ffe7e4a39a8 RCX: 00007fc1ce4580d7 [ 50.998383] RDX: 00007fc1ce4c241f RSI: 00007ffe7e4a3300 RDI: 0000000040000000 [ 50.999267] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe7e4a3110 [ 51.000156] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc1ce56abf0 [ 51.001036] R13: 00007ffe7e4a3440 R14: 0000000000000000 R15: 00000000000000f8 [ 51.001940] [ 51.002243] irq event stamp: 7823 [ 51.002699] hardirqs last enabled at (7835): [] __up_console_sem+0x78/0x80 [ 51.003746] hardirqs last disabled at (7846): [] __up_console_sem+0x5d/0x80 [ 51.004810] softirqs last enabled at (7588): [] irq_exit_rcu+0x93/0xc0 [ 51.005834] softirqs last disabled at (7579): [] irq_exit_rcu+0x93/0xc0 [ 51.006868] ---[ end trace 0000000000000000 ]--- [ 51.013321] ------------[ cut here ]------------ [ 51.013976] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.015665] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.016748] Modules linked in: [ 51.017155] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.018320] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.019323] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.020034] 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 [ 51.022189] RSP: 0018:ffff88801a1c7c00 EFLAGS: 00010282 [ 51.022875] RAX: 0000000000000000 RBX: ffff88800f5d9640 RCX: 0000000000000000 [ 51.023773] RDX: ffff88801951b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.024678] RBP: ffff88800f5d9654 R08: 0000000000000001 R09: 0000000000000000 [ 51.025560] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.026410] R13: ffffffff84e223a0 R14: ffff88800f5d9648 R15: ffffffff84da62e0 [ 51.027303] FS: 0000555555f88400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.028306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.029048] CR2: 00005631856dbcb0 CR3: 0000000018012000 CR4: 0000000000350ee0 [ 51.029925] Call Trace: [ 51.030253] [ 51.030595] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.031199] ipv6_frags_init_net+0x206/0x3c0 [ 51.031783] ops_init+0xbb/0x6b0 [ 51.032267] setup_net+0x3d9/0x990 [ 51.032747] ? down_read_killable+0x1d7/0x4e0 [ 51.033308] ? __pfx_setup_net+0x10/0x10 [ 51.033845] ? copy_net_ns+0x17c/0x770 [ 51.034360] copy_net_ns+0x321/0x770 [ 51.034871] create_new_namespaces+0x3f6/0xb30 [ 51.035451] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.036100] ksys_unshare+0x44d/0x8e0 [ 51.036633] ? __pfx_ksys_unshare+0x10/0x10 [ 51.037181] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.037933] __x64_sys_unshare+0x31/0x40 [ 51.038449] do_syscall_64+0x3f/0x90 [ 51.038963] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.039625] RIP: 0033:0x7fc1ce4580d7 [ 51.040115] 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 [ 51.042272] RSP: 002b:00007ffe7e4a3368 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.043211] RAX: ffffffffffffffda RBX: 00007ffe7e4a39a8 RCX: 00007fc1ce4580d7 [ 51.044103] RDX: 00007fc1ce4c241f RSI: 00007ffe7e4a3300 RDI: 0000000040000000 [ 51.044976] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe7e4a3110 [ 51.045866] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc1ce56abf0 [ 51.046745] R13: 00007ffe7e4a3440 R14: 0000000000000000 R15: 00000000000000f8 [ 51.047654] [ 51.047972] irq event stamp: 10237 [ 51.048404] hardirqs last enabled at (10247): [] __up_console_sem+0x78/0x80 [ 51.049482] hardirqs last disabled at (10260): [] __up_console_sem+0x5d/0x80 [ 51.050541] softirqs last enabled at (9772): [] irq_exit_rcu+0x93/0xc0 [ 51.051562] softirqs last disabled at (9767): [] irq_exit_rcu+0x93/0xc0 [ 51.052580] ---[ end trace 0000000000000000 ]--- [ 51.053921] ------------[ cut here ]------------ [ 51.054565] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.056438] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.057514] Modules linked in: [ 51.057912] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.059071] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.060094] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.060764] 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 [ 51.062917] RSP: 0018:ffff88801a1c7bf0 EFLAGS: 00010286 [ 51.063593] RAX: 0000000000000000 RBX: ffff88800f5d9c40 RCX: 0000000000000000 [ 51.064446] RDX: ffff88801951b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.065325] RBP: ffff88800f5d9c54 R08: 0000000000000001 R09: 0000000000000000 [ 51.066215] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.067104] R13: ffffffff84e223a0 R14: ffff88800f5d9c48 R15: ffffffff84daf020 [ 51.068009] FS: 0000555555f88400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.068995] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.069736] CR2: 00005631856dbcb0 CR3: 0000000018012000 CR4: 0000000000350ee0 [ 51.070625] Call Trace: [ 51.070950] [ 51.071252] nf_ct_net_init+0x224/0x3d0 [ 51.071805] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.072385] ops_init+0xbb/0x6b0 [ 51.072857] setup_net+0x3d9/0x990 [ 51.073306] ? down_read_killable+0x1d7/0x4e0 [ 51.073907] ? __pfx_setup_net+0x10/0x10 [ 51.074413] ? copy_net_ns+0x17c/0x770 [ 51.074945] copy_net_ns+0x321/0x770 [ 51.075425] create_new_namespaces+0x3f6/0xb30 [ 51.076064] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.076715] ksys_unshare+0x44d/0x8e0 [ 51.077212] ? __pfx_ksys_unshare+0x10/0x10 [ 51.077785] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.078530] __x64_sys_unshare+0x31/0x40 [ 51.079056] do_syscall_64+0x3f/0x90 [ 51.079560] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.080219] RIP: 0033:0x7fc1ce4580d7 [ 51.080726] 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 [ 51.082908] RSP: 002b:00007ffe7e4a3368 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.083896] RAX: ffffffffffffffda RBX: 00007ffe7e4a39a8 RCX: 00007fc1ce4580d7 [ 51.084790] RDX: 00007fc1ce4c241f RSI: 00007ffe7e4a3300 RDI: 0000000040000000 [ 51.085684] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe7e4a3110 [ 51.086584] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc1ce56abf0 [ 51.087500] R13: 00007ffe7e4a3440 R14: 0000000000000000 R15: 00000000000000f8 [ 51.088399] [ 51.088733] irq event stamp: 11029 [ 51.089166] hardirqs last enabled at (11039): [] __up_console_sem+0x78/0x80 [ 51.090244] hardirqs last disabled at (11050): [] __up_console_sem+0x5d/0x80 [ 51.091328] softirqs last enabled at (11068): [] irq_exit_rcu+0x93/0xc0 [ 51.092376] softirqs last disabled at (11059): [] irq_exit_rcu+0x93/0xc0 [ 51.093403] ---[ end trace 0000000000000000 ]--- executing program [ 52.643246] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 54.690548] Bluetooth: hci0: command 0x041b tx timeout [ 56.738530] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.786556] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 17:46:44 Registers: info registers vcpu 0 RAX=000000000003118b RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f RFL=00000206 [-----P-] 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=00007f8c52d877f8 CR3=000000000e42a000 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=2035343a36343a37312036312079614d XMM01=5d3333363536392e30352020205b203a XMM02=74656e20746120303632203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120303632203a4449 XMM06=57205d3333363536392e30352020205b XMM07=79732035343a36343a37312036312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000036 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801a1c75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000036 R11=0000000000000001 R12=0000000000000036 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 0000555555f88400 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=00005631856dbcb0 CR3=0000000018012000 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