Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:5082' (ECDSA) to the list of known hosts. 2023/05/18 04:14:49 fuzzer started 2023/05/18 04:14:49 dialing manager at localhost:44319 2023/05/18 04:14:49 checking machine... 2023/05/18 04:14:49 checking revisions... syzkaller login: [ 38.506987] kmemleak: Automatic memory scanning thread ended 2023/05/18 04:14:49 testing simple program... [ 38.570588] cgroup: Unknown subsys name 'net' [ 38.646431] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.459460] audit: type=1400 audit(1684383302.660:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 52.610672] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.612668] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.613911] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.616465] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.618120] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.619448] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.993330] ------------[ cut here ]------------ [ 52.994086] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.996297] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.997741] Modules linked in: [ 52.998513] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.000933] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.003449] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.004241] 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 [ 53.006784] RSP: 0018:ffff888017fafc00 EFLAGS: 00010282 [ 53.007594] RAX: 0000000000000000 RBX: ffff88800f230c40 RCX: 0000000000000000 [ 53.008625] RDX: ffff88800c581b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.009670] RBP: ffff88800f230c54 R08: 0000000000000001 R09: 0000000000000000 [ 53.010789] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.011837] R13: ffffffff84e23fe0 R14: ffff88800f230c48 R15: ffffffff84d74dc0 [ 53.012907] FS: 000055555709e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.014092] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.014909] CR2: 00007fa0c53726f4 CR3: 00000000169b6000 CR4: 0000000000350ee0 [ 53.015962] Call Trace: [ 53.016375] [ 53.016727] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.017462] ipv4_frags_init_net+0x269/0x440 [ 53.018138] ops_init+0xbb/0x6b0 [ 53.018662] setup_net+0x3d9/0x990 [ 53.019214] ? down_read_killable+0x1d7/0x4e0 [ 53.019876] ? __pfx_setup_net+0x10/0x10 [ 53.020511] ? copy_net_ns+0x17c/0x770 [ 53.021140] copy_net_ns+0x321/0x770 [ 53.021704] create_new_namespaces+0x3f6/0xb30 [ 53.022428] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.023160] ksys_unshare+0x44d/0x8e0 [ 53.023762] ? __pfx_ksys_unshare+0x10/0x10 [ 53.024536] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.025411] __x64_sys_unshare+0x31/0x40 [ 53.025994] do_syscall_64+0x3f/0x90 [ 53.026578] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.027394] RIP: 0033:0x7f0c473de0d7 [ 53.027909] 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 [ 53.030286] RSP: 002b:00007ffc175b1698 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.031287] RAX: ffffffffffffffda RBX: 00007ffc175b1cd8 RCX: 00007f0c473de0d7 [ 53.032228] RDX: 00007f0c4744841f RSI: 00007ffc175b1630 RDI: 0000000040000000 [ 53.033178] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc175b1440 [ 53.034124] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0c474f0bf0 [ 53.035031] R13: 00007ffc175b1770 R14: 0000000000000000 R15: 00000000000000f8 [ 53.035993] [ 53.036350] irq event stamp: 12345 [ 53.036843] hardirqs last enabled at (12355): [] __up_console_sem+0x78/0x80 [ 53.038085] hardirqs last disabled at (12366): [] __up_console_sem+0x5d/0x80 [ 53.039335] softirqs last enabled at (11874): [] irq_exit_rcu+0x93/0xc0 [ 53.040537] softirqs last disabled at (11817): [] irq_exit_rcu+0x93/0xc0 [ 53.041732] ---[ end trace 0000000000000000 ]--- [ 53.047376] ------------[ cut here ]------------ [ 53.048087] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.049969] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.051232] Modules linked in: [ 53.051703] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.053078] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.054251] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.054991] 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 [ 53.057522] RSP: 0018:ffff888017fafc00 EFLAGS: 00010282 [ 53.058303] RAX: 0000000000000000 RBX: ffff88800d737640 RCX: 0000000000000000 [ 53.059331] RDX: ffff88800c581b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.060353] RBP: ffff88800d737654 R08: 0000000000000001 R09: 0000000000000000 [ 53.061387] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.062414] R13: ffffffff84e23fe0 R14: ffff88800d737648 R15: ffffffff84da7d60 [ 53.063444] FS: 000055555709e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.064598] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.065464] CR2: 00007fa0c53726f4 CR3: 00000000169b6000 CR4: 0000000000350ee0 [ 53.066479] Call Trace: [ 53.066847] [ 53.067224] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.067933] ipv6_frags_init_net+0x206/0x3c0 [ 53.068620] ops_init+0xbb/0x6b0 [ 53.069188] setup_net+0x3d9/0x990 [ 53.069711] ? down_read_killable+0x1d7/0x4e0 [ 53.070406] ? __pfx_setup_net+0x10/0x10 [ 53.070992] ? copy_net_ns+0x17c/0x770 [ 53.071609] copy_net_ns+0x321/0x770 [ 53.072200] create_new_namespaces+0x3f6/0xb30 [ 53.072885] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.073632] ksys_unshare+0x44d/0x8e0 [ 53.074224] ? __pfx_ksys_unshare+0x10/0x10 [ 53.074851] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.075702] __x64_sys_unshare+0x31/0x40 [ 53.076331] do_syscall_64+0x3f/0x90 [ 53.076889] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.077673] RIP: 0033:0x7f0c473de0d7 [ 53.078236] 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 [ 53.080753] RSP: 002b:00007ffc175b1698 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.081887] RAX: ffffffffffffffda RBX: 00007ffc175b1cd8 RCX: 00007f0c473de0d7 [ 53.082934] RDX: 00007f0c4744841f RSI: 00007ffc175b1630 RDI: 0000000040000000 [ 53.083928] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc175b1440 [ 53.084936] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0c474f0bf0 [ 53.085931] R13: 00007ffc175b1770 R14: 0000000000000000 R15: 00000000000000f8 [ 53.086958] [ 53.087332] irq event stamp: 13855 [ 53.087818] hardirqs last enabled at (13865): [] __up_console_sem+0x78/0x80 [ 53.089026] hardirqs last disabled at (13876): [] __up_console_sem+0x5d/0x80 [ 53.090218] softirqs last enabled at (13104): [] irq_exit_rcu+0x93/0xc0 [ 53.091371] softirqs last disabled at (13061): [] irq_exit_rcu+0x93/0xc0 [ 53.092526] ---[ end trace 0000000000000000 ]--- [ 53.094025] ------------[ cut here ]------------ [ 53.094738] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.096834] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.098032] Modules linked in: [ 53.098505] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.099777] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.100912] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.101664] 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 [ 53.104079] RSP: 0018:ffff888017fafbf0 EFLAGS: 00010286 [ 53.104804] RAX: 0000000000000000 RBX: ffff88800d737040 RCX: 0000000000000000 [ 53.105790] RDX: ffff88800c581b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.106770] RBP: ffff88800d737054 R08: 0000000000000001 R09: 0000000000000000 [ 53.107764] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.108776] R13: ffffffff84e23fe0 R14: ffff88800d737048 R15: ffffffff84db0aa0 [ 53.109784] FS: 000055555709e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.110922] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.111771] CR2: 00007fa0c53726f4 CR3: 00000000169b6000 CR4: 0000000000350ee0 [ 53.112800] Call Trace: [ 53.113218] [ 53.113561] nf_ct_net_init+0x224/0x3d0 [ 53.114184] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.114906] ops_init+0xbb/0x6b0 [ 53.115469] setup_net+0x3d9/0x990 [ 53.115990] ? down_read_killable+0x1d7/0x4e0 [ 53.116679] ? __pfx_setup_net+0x10/0x10 [ 53.117307] ? copy_net_ns+0x17c/0x770 [ 53.117878] copy_net_ns+0x321/0x770 [ 53.118462] create_new_namespaces+0x3f6/0xb30 [ 53.119141] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.119843] ksys_unshare+0x44d/0x8e0 [ 53.120433] ? __pfx_ksys_unshare+0x10/0x10 [ 53.121087] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.121888] __x64_sys_unshare+0x31/0x40 [ 53.122502] do_syscall_64+0x3f/0x90 [ 53.123030] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.123778] RIP: 0033:0x7f0c473de0d7 [ 53.124349] 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 [ 53.126800] RSP: 002b:00007ffc175b1698 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.127852] RAX: ffffffffffffffda RBX: 00007ffc175b1cd8 RCX: 00007f0c473de0d7 [ 53.128854] RDX: 00007f0c4744841f RSI: 00007ffc175b1630 RDI: 0000000040000000 [ 53.129864] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc175b1440 [ 53.130859] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0c474f0bf0 [ 53.131853] R13: 00007ffc175b1770 R14: 0000000000000000 R15: 00000000000000f8 [ 53.133099] [ 53.133531] irq event stamp: 14627 [ 53.134192] hardirqs last enabled at (14639): [] __up_console_sem+0x78/0x80 [ 53.135725] hardirqs last disabled at (14650): [] __up_console_sem+0x5d/0x80 [ 53.137253] softirqs last enabled at (14234): [] irq_exit_rcu+0x93/0xc0 [ 53.138706] softirqs last disabled at (14229): [] irq_exit_rcu+0x93/0xc0 [ 53.140186] ---[ end trace 0000000000000000 ]--- executing program [ 54.690613] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 56.738114] Bluetooth: hci0: command 0x041b tx timeout [ 58.786115] Bluetooth: hci0: command 0x040f tx timeout executing program [ 60.834114] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 04:15:01 Registers: info registers vcpu 0 RAX=000000000002198f 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=00007fafb5e47230 CR3=000000000ea82000 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=1ce20a341dbae4a80e40ef338222acee XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=3b03dc4e41624c9f000000000013bd30 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=21e7aa014cb86c1d00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000030 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888017faf618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000030 R11=0000000000000001 R12=0000000000000030 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 000055555709e400 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=00007fa0c53726f4 CR3=00000000169b6000 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