Starting Update UTMP about System Runlevel Changes... [ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:13232' (ECDSA) to the list of known hosts. 2023/05/17 13:13:34 fuzzer started 2023/05/17 13:13:34 dialing manager at localhost:44319 2023/05/17 13:13:34 checking machine... 2023/05/17 13:13:34 checking revisions... syzkaller login: [ 29.566299] kmemleak: Automatic memory scanning thread ended 2023/05/17 13:13:34 testing simple program... [ 29.638491] cgroup: Unknown subsys name 'net' [ 29.710305] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 42.535998] audit: type=1400 audit(1684329227.584:6): 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 [ 43.672471] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 43.675599] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 43.676971] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 43.680712] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 43.682487] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 43.683774] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 44.080656] ------------[ cut here ]------------ [ 44.081769] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 44.083557] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 44.084714] Modules linked in: [ 44.085175] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 44.090008] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 44.091094] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 44.091787] 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 [ 44.094101] RSP: 0018:ffff88802038fc00 EFLAGS: 00010282 [ 44.094787] RAX: 0000000000000000 RBX: ffff88800cd88040 RCX: 0000000000000000 [ 44.095746] RDX: ffff888018400000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 44.096699] RBP: ffff88800cd88054 R08: 0000000000000001 R09: 0000000000000000 [ 44.097634] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 44.098598] R13: ffffffff84e23fe0 R14: ffff88800cd88048 R15: ffffffff84d74dc0 [ 44.099608] FS: 000055555694b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 44.100691] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.101497] CR2: 00007fe3543a56f4 CR3: 000000001caba000 CR4: 0000000000350ee0 [ 44.102464] Call Trace: [ 44.102822] [ 44.103181] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 44.103851] ipv4_frags_init_net+0x269/0x440 [ 44.104492] ops_init+0xbb/0x6b0 [ 44.104984] setup_net+0x3d9/0x990 [ 44.105515] ? down_read_killable+0x1d7/0x4e0 [ 44.106170] ? __pfx_setup_net+0x10/0x10 [ 44.106731] ? copy_net_ns+0x17c/0x770 [ 44.107317] copy_net_ns+0x321/0x770 [ 44.107858] create_new_namespaces+0x3f6/0xb30 [ 44.108514] unshare_nsproxy_namespaces+0xc1/0x200 [ 44.109202] ksys_unshare+0x44d/0x8e0 [ 44.109726] ? __pfx_ksys_unshare+0x10/0x10 [ 44.110340] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 44.111127] __x64_sys_unshare+0x31/0x40 [ 44.111680] do_syscall_64+0x3f/0x90 [ 44.112222] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 44.112905] RIP: 0033:0x7f099b5140d7 [ 44.113428] 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 [ 44.115716] RSP: 002b:00007fff27c5f628 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 44.116717] RAX: ffffffffffffffda RBX: 00007fff27c5fc68 RCX: 00007f099b5140d7 [ 44.117680] RDX: 00007f099b57e41f RSI: 00007fff27c5f5c0 RDI: 0000000040000000 [ 44.118639] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff27c5f3d0 [ 44.119621] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f099b626bf0 [ 44.120588] R13: 00007fff27c5f700 R14: 0000000000000000 R15: 00000000000000f8 [ 44.121577] [ 44.121903] irq event stamp: 8659 [ 44.122406] hardirqs last enabled at (8671): [] __up_console_sem+0x78/0x80 [ 44.123564] hardirqs last disabled at (8682): [] __up_console_sem+0x5d/0x80 [ 44.124706] softirqs last enabled at (8230): [] irq_exit_rcu+0x93/0xc0 [ 44.125826] softirqs last disabled at (8225): [] irq_exit_rcu+0x93/0xc0 [ 44.126947] ---[ end trace 0000000000000000 ]--- [ 44.132907] ------------[ cut here ]------------ [ 44.133581] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 44.135795] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 44.136952] Modules linked in: [ 44.137439] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 44.138707] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 44.139814] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 44.140543] 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 [ 44.142927] RSP: 0018:ffff88802038fc00 EFLAGS: 00010282 [ 44.143682] RAX: 0000000000000000 RBX: ffff8880094d5840 RCX: 0000000000000000 [ 44.144660] RDX: ffff888018400000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 44.145629] RBP: ffff8880094d5854 R08: 0000000000000001 R09: 0000000000000000 [ 44.146607] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 44.147590] R13: ffffffff84e23fe0 R14: ffff8880094d5848 R15: ffffffff84da7d60 [ 44.148576] FS: 000055555694b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 44.149670] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.150484] CR2: 00007fe3543a56f4 CR3: 000000001caba000 CR4: 0000000000350ee0 [ 44.151457] Call Trace: [ 44.151823] [ 44.152185] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 44.152860] ipv6_frags_init_net+0x206/0x3c0 [ 44.153499] ops_init+0xbb/0x6b0 [ 44.153989] setup_net+0x3d9/0x990 [ 44.154523] ? down_read_killable+0x1d7/0x4e0 [ 44.155178] ? __pfx_setup_net+0x10/0x10 [ 44.155762] ? copy_net_ns+0x17c/0x770 [ 44.156355] copy_net_ns+0x321/0x770 [ 44.156889] create_new_namespaces+0x3f6/0xb30 [ 44.157561] unshare_nsproxy_namespaces+0xc1/0x200 [ 44.158270] ksys_unshare+0x44d/0x8e0 [ 44.158806] ? __pfx_ksys_unshare+0x10/0x10 [ 44.159431] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 44.160256] __x64_sys_unshare+0x31/0x40 [ 44.160818] do_syscall_64+0x3f/0x90 [ 44.161368] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 44.162108] RIP: 0033:0x7f099b5140d7 [ 44.162616] 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 [ 44.164981] RSP: 002b:00007fff27c5f628 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 44.166019] RAX: ffffffffffffffda RBX: 00007fff27c5fc68 RCX: 00007f099b5140d7 [ 44.166988] RDX: 00007f099b57e41f RSI: 00007fff27c5f5c0 RDI: 0000000040000000 [ 44.167980] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff27c5f3d0 [ 44.168946] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f099b626bf0 [ 44.169921] R13: 00007fff27c5f700 R14: 0000000000000000 R15: 00000000000000f8 [ 44.170912] [ 44.171266] irq event stamp: 10311 [ 44.171747] hardirqs last enabled at (10321): [] __up_console_sem+0x78/0x80 [ 44.172909] hardirqs last disabled at (10332): [] __up_console_sem+0x5d/0x80 [ 44.174082] softirqs last enabled at (9798): [] irq_exit_rcu+0x93/0xc0 [ 44.175209] softirqs last disabled at (9775): [] irq_exit_rcu+0x93/0xc0 [ 44.176352] ---[ end trace 0000000000000000 ]--- [ 44.177812] ------------[ cut here ]------------ [ 44.178476] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 44.180701] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 44.181874] Modules linked in: [ 44.182355] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 44.183618] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 44.184724] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 44.185467] 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 [ 44.187858] RSP: 0018:ffff88802038fbf0 EFLAGS: 00010286 [ 44.188609] RAX: 0000000000000000 RBX: ffff8880094d5e40 RCX: 0000000000000000 [ 44.189577] RDX: ffff888018400000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 44.190555] RBP: ffff8880094d5e54 R08: 0000000000000001 R09: 0000000000000000 [ 44.191531] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 44.192515] R13: ffffffff84e23fe0 R14: ffff8880094d5e48 R15: ffffffff84db0aa0 [ 44.193495] FS: 000055555694b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 44.194583] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.195386] CR2: 00007fe3543a56f4 CR3: 000000001caba000 CR4: 0000000000350ee0 [ 44.196361] Call Trace: [ 44.196715] [ 44.197079] nf_ct_net_init+0x224/0x3d0 [ 44.197649] ? __pfx_nf_ct_net_init+0x10/0x10 [ 44.198308] ops_init+0xbb/0x6b0 [ 44.198793] setup_net+0x3d9/0x990 [ 44.199327] ? down_read_killable+0x1d7/0x4e0 [ 44.199957] ? __pfx_setup_net+0x10/0x10 [ 44.200542] ? copy_net_ns+0x17c/0x770 [ 44.201129] copy_net_ns+0x321/0x770 [ 44.201658] create_new_namespaces+0x3f6/0xb30 [ 44.202329] unshare_nsproxy_namespaces+0xc1/0x200 [ 44.203001] ksys_unshare+0x44d/0x8e0 [ 44.203590] ? __pfx_ksys_unshare+0x10/0x10 [ 44.204225] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 44.204999] __x64_sys_unshare+0x31/0x40 [ 44.205596] do_syscall_64+0x3f/0x90 [ 44.206153] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 44.206853] RIP: 0033:0x7f099b5140d7 [ 44.207392] 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 [ 44.209769] RSP: 002b:00007fff27c5f628 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 44.210807] RAX: ffffffffffffffda RBX: 00007fff27c5fc68 RCX: 00007f099b5140d7 [ 44.211797] RDX: 00007f099b57e41f RSI: 00007fff27c5f5c0 RDI: 0000000040000000 [ 44.212771] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff27c5f3d0 [ 44.213737] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f099b626bf0 [ 44.214713] R13: 00007fff27c5f700 R14: 0000000000000000 R15: 00000000000000f8 [ 44.215718] [ 44.216079] irq event stamp: 11035 [ 44.216553] hardirqs last enabled at (11045): [] __up_console_sem+0x78/0x80 [ 44.217728] hardirqs last disabled at (11056): [] __up_console_sem+0x5d/0x80 [ 44.218899] softirqs last enabled at (10742): [] irq_exit_rcu+0x93/0xc0 [ 44.220071] softirqs last disabled at (10737): [] irq_exit_rcu+0x93/0xc0 [ 44.221201] ---[ end trace 0000000000000000 ]--- executing program [ 45.756716] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 47.804147] Bluetooth: hci0: command 0x041b tx timeout [ 49.852116] Bluetooth: hci0: command 0x040f tx timeout executing program [ 51.900143] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 13:13:47 Registers: info registers vcpu 0 RAX=000000000001a1d9 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=00007fc610603838 CR3=0000000016402000 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=850320652115e08c2240aa043e64a7d1 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=91fcd10db55aee3b000000000013c278 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=30dbf958ca1fa69900000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020002000000000 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=ffff88802038f5f0 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 000055555694b400 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=00007fe3543a56f4 CR3=000000001caba000 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=00001fa0 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=00000000000000004123c45000000000 XMM03=0000ff00000000000000000000000000 XMM04=732f6c61636f6c2f7273752f3d485441 XMM05=622f6c61636f6c2f7273752f3a6e6962 XMM06=73752f3a6e6962732f7273752f3a6e69 XMM07=6e69622f3a6e6962732f3a6e69622f72 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000