Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:20998' (ECDSA) to the list of known hosts. 2023/05/16 19:00:30 fuzzer started 2023/05/16 19:00:30 dialing manager at localhost:35573 2023/05/16 19:00:30 checking machine... 2023/05/16 19:00:30 checking revisions... syzkaller login: [ 30.528808] kmemleak: Automatic memory scanning thread ended 2023/05/16 19:00:30 testing simple program... [ 30.593457] cgroup: Unknown subsys name 'net' [ 30.680884] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 43.487204] audit: type=1400 audit(1684263643.724:6): 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 [ 44.614405] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 44.616845] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 44.618488] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 44.621549] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 44.623511] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 44.624739] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 45.023610] ------------[ cut here ]------------ [ 45.024450] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 45.026681] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.028088] Modules linked in: [ 45.028627] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.033800] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.035117] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.035856] 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 [ 45.038505] RSP: 0018:ffff888009c1fc00 EFLAGS: 00010282 [ 45.039315] RAX: 0000000000000000 RBX: ffff88800c803440 RCX: 0000000000000000 [ 45.040338] RDX: ffff8880169e3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.041385] RBP: ffff88800c803454 R08: 0000000000000001 R09: 0000000000000000 [ 45.042399] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 45.043413] R13: ffffffff84e223a0 R14: ffff88800c803448 R15: ffffffff84d73340 [ 45.044428] FS: 000055555702a400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.045594] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.046433] CR2: 00007f7f6b5e36f4 CR3: 00000000183e0000 CR4: 0000000000350ef0 [ 45.047451] Call Trace: [ 45.047826] [ 45.048194] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 45.048893] ipv4_frags_init_net+0x269/0x440 [ 45.049587] ops_init+0xbb/0x6b0 [ 45.050122] setup_net+0x3d9/0x990 [ 45.050642] ? down_read_killable+0x1d7/0x4e0 [ 45.051320] ? __pfx_setup_net+0x10/0x10 [ 45.051894] ? copy_net_ns+0x17c/0x770 [ 45.052500] copy_net_ns+0x321/0x770 [ 45.053081] create_new_namespaces+0x3f6/0xb30 [ 45.053751] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.054476] ksys_unshare+0x44d/0x8e0 [ 45.055071] ? __pfx_ksys_unshare+0x10/0x10 [ 45.055691] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.056543] __x64_sys_unshare+0x31/0x40 [ 45.057174] do_syscall_64+0x3f/0x90 [ 45.057744] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.058516] RIP: 0033:0x7fb3160cc0d7 [ 45.059074] 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 [ 45.061576] RSP: 002b:00007ffea87e2838 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 45.062672] RAX: ffffffffffffffda RBX: 00007ffea87e2e78 RCX: 00007fb3160cc0d7 [ 45.063710] RDX: 00007fb31613641f RSI: 00007ffea87e27d0 RDI: 0000000040000000 [ 45.064724] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffea87e25e0 [ 45.065758] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb3161debf0 [ 45.066750] R13: 00007ffea87e2910 R14: 0000000000000000 R15: 00000000000000f8 [ 45.067806] [ 45.068184] irq event stamp: 8249 [ 45.068661] hardirqs last enabled at (8259): [] __up_console_sem+0x78/0x80 [ 45.069886] hardirqs last disabled at (8270): [] __up_console_sem+0x5d/0x80 [ 45.071087] softirqs last enabled at (7830): [] irq_exit_rcu+0x93/0xc0 [ 45.072266] softirqs last disabled at (7815): [] irq_exit_rcu+0x93/0xc0 [ 45.073464] ---[ end trace 0000000000000000 ]--- [ 45.079499] ------------[ cut here ]------------ [ 45.081356] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 45.083502] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.084750] Modules linked in: [ 45.085319] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.086701] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.087915] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.088781] 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 [ 45.091243] RSP: 0018:ffff888009c1fc00 EFLAGS: 00010282 [ 45.091949] RAX: 0000000000000000 RBX: ffff888008d51c40 RCX: 0000000000000000 [ 45.093061] RDX: ffff8880169e3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.093974] RBP: ffff888008d51c54 R08: 0000000000000001 R09: 0000000000000000 [ 45.095191] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 45.096290] R13: ffffffff84e223a0 R14: ffff888008d51c48 R15: ffffffff84da62e0 [ 45.097441] FS: 000055555702a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 45.098625] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.099583] CR2: 00007f0e61d37dc0 CR3: 00000000183e0000 CR4: 0000000000350ee0 [ 45.100663] Call Trace: [ 45.101201] [ 45.101518] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 45.102295] ipv6_frags_init_net+0x206/0x3c0 [ 45.102882] ops_init+0xbb/0x6b0 [ 45.103573] setup_net+0x3d9/0x990 [ 45.104176] ? down_read_killable+0x1d7/0x4e0 [ 45.104766] ? __pfx_setup_net+0x10/0x10 [ 45.105485] ? copy_net_ns+0x17c/0x770 [ 45.106196] copy_net_ns+0x321/0x770 [ 45.106703] create_new_namespaces+0x3f6/0xb30 [ 45.107511] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.108306] ksys_unshare+0x44d/0x8e0 [ 45.108823] ? __pfx_ksys_unshare+0x10/0x10 [ 45.109538] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.110452] __x64_sys_unshare+0x31/0x40 [ 45.111195] do_syscall_64+0x3f/0x90 [ 45.111700] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.112510] RIP: 0033:0x7fb3160cc0d7 [ 45.113203] 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 [ 45.115677] RSP: 002b:00007ffea87e2838 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 45.116808] RAX: ffffffffffffffda RBX: 00007ffea87e2e78 RCX: 00007fb3160cc0d7 [ 45.117873] RDX: 00007fb31613641f RSI: 00007ffea87e27d0 RDI: 0000000040000000 [ 45.118879] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffea87e25e0 [ 45.119829] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb3161debf0 [ 45.120766] R13: 00007ffea87e2910 R14: 0000000000000000 R15: 00000000000000f8 [ 45.121747] [ 45.122096] irq event stamp: 12955 [ 45.122547] hardirqs last enabled at (12965): [] __up_console_sem+0x78/0x80 [ 45.123657] hardirqs last disabled at (12976): [] __up_console_sem+0x5d/0x80 [ 45.124791] softirqs last enabled at (12902): [] irq_exit_rcu+0x93/0xc0 [ 45.125914] softirqs last disabled at (12881): [] irq_exit_rcu+0x93/0xc0 [ 45.127018] ---[ end trace 0000000000000000 ]--- [ 45.128431] ------------[ cut here ]------------ [ 45.129109] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 45.131197] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.132288] Modules linked in: [ 45.132708] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.133947] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.135024] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.135682] 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 [ 45.137961] RSP: 0018:ffff888009c1fbf0 EFLAGS: 00010286 [ 45.138654] RAX: 0000000000000000 RBX: ffff888008d50a40 RCX: 0000000000000000 [ 45.139580] RDX: ffff8880169e3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.140504] RBP: ffff888008d50a54 R08: 0000000000000001 R09: 0000000000000000 [ 45.141447] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.142393] R13: ffffffff84e223a0 R14: ffff888008d50a48 R15: ffffffff84daf020 [ 45.143329] FS: 000055555702a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 45.144363] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.145132] CR2: 00007f0e61d37dc0 CR3: 00000000183e0000 CR4: 0000000000350ee0 [ 45.146090] Call Trace: [ 45.146427] [ 45.146739] nf_ct_net_init+0x224/0x3d0 [ 45.147330] ? __pfx_nf_ct_net_init+0x10/0x10 [ 45.147925] ops_init+0xbb/0x6b0 [ 45.148419] setup_net+0x3d9/0x990 [ 45.148894] ? down_read_killable+0x1d7/0x4e0 [ 45.149529] ? __pfx_setup_net+0x10/0x10 [ 45.150092] ? copy_net_ns+0x17c/0x770 [ 45.150611] copy_net_ns+0x321/0x770 [ 45.151145] create_new_namespaces+0x3f6/0xb30 [ 45.151756] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.152430] ksys_unshare+0x44d/0x8e0 [ 45.152944] ? __pfx_ksys_unshare+0x10/0x10 [ 45.153576] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.154382] __x64_sys_unshare+0x31/0x40 [ 45.154931] do_syscall_64+0x3f/0x90 [ 45.155459] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.156161] RIP: 0033:0x7fb3160cc0d7 [ 45.156642] 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 [ 45.158957] RSP: 002b:00007ffea87e2838 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 45.159930] RAX: ffffffffffffffda RBX: 00007ffea87e2e78 RCX: 00007fb3160cc0d7 [ 45.160863] RDX: 00007fb31613641f RSI: 00007ffea87e27d0 RDI: 0000000040000000 [ 45.161794] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffea87e25e0 [ 45.162755] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb3161debf0 [ 45.163692] R13: 00007ffea87e2910 R14: 0000000000000000 R15: 00000000000000f8 [ 45.164619] [ 45.164924] irq event stamp: 13755 [ 45.165416] hardirqs last enabled at (13767): [] __up_console_sem+0x78/0x80 [ 45.166483] hardirqs last disabled at (13778): [] __up_console_sem+0x5d/0x80 [ 45.167557] softirqs last enabled at (13716): [] irq_exit_rcu+0x93/0xc0 [ 45.168609] softirqs last disabled at (13799): [] irq_exit_rcu+0x93/0xc0 [ 45.169667] ---[ end trace 0000000000000000 ]--- executing program [ 46.698683] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 48.746076] Bluetooth: hci0: command 0x041b tx timeout [ 50.795080] Bluetooth: hci0: command 0x040f tx timeout executing program [ 52.842082] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 19:00:45 Registers: info registers vcpu 0 RAX=0000000000000065 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888009c1f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000065 R11=0000000000000001 R12=0000000000000065 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 000055555702a400 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=00007f7f6b5e36f4 CR3=00000000183e0000 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=0000000000026f5f RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 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 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=00007f0e61d41720 CR3=000000000eb68000 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=b2710f6bd3c5f49aed499f5b11a50917 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=733ca8f34e318973000000000013bbc0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=9a9c33fc89b332c300000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000