Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:33412' (ECDSA) to the list of known hosts. 2023/05/16 19:49:38 fuzzer started 2023/05/16 19:49:38 dialing manager at localhost:35573 2023/05/16 19:49:38 checking machine... 2023/05/16 19:49:38 checking revisions... syzkaller login: [ 35.922193] kmemleak: Automatic memory scanning thread ended 2023/05/16 19:49:39 testing simple program... [ 35.991932] cgroup: Unknown subsys name 'net' [ 36.084022] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.166040] audit: type=1400 audit(1684266591.276:6): 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 [ 49.255398] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.257140] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.259955] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.262849] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.265078] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.266208] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 49.658577] ------------[ cut here ]------------ [ 49.659257] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 49.661351] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.662941] Modules linked in: [ 49.663488] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 49.668399] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.669523] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.670168] 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 [ 49.672446] RSP: 0018:ffff88800d6d7c00 EFLAGS: 00010282 [ 49.673103] RAX: 0000000000000000 RBX: ffff88800ff1c440 RCX: 0000000000000000 [ 49.674140] RDX: ffff88800f143680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 49.675210] RBP: ffff88800ff1c454 R08: 0000000000000001 R09: 0000000000000000 [ 49.676190] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 49.677204] R13: ffffffff84e223a0 R14: ffff88800ff1c448 R15: ffffffff84d73340 [ 49.678377] FS: 0000555555ef8400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.679490] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.680257] CR2: 00007f3cb998d6f4 CR3: 000000000de40000 CR4: 0000000000350ee0 [ 49.681122] Call Trace: [ 49.681495] [ 49.681803] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 49.682457] ipv4_frags_init_net+0x269/0x440 [ 49.683015] ops_init+0xbb/0x6b0 [ 49.683496] setup_net+0x3d9/0x990 [ 49.683960] ? down_read_killable+0x1d7/0x4e0 [ 49.684560] ? __pfx_setup_net+0x10/0x10 [ 49.685070] ? copy_net_ns+0x17c/0x770 [ 49.685610] copy_net_ns+0x321/0x770 [ 49.686092] create_new_namespaces+0x3f6/0xb30 [ 49.686715] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.687380] ksys_unshare+0x44d/0x8e0 [ 49.687901] ? __pfx_ksys_unshare+0x10/0x10 [ 49.688512] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.689265] __x64_sys_unshare+0x31/0x40 [ 49.689789] do_syscall_64+0x3f/0x90 [ 49.690308] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.690964] RIP: 0033:0x7fc8621850d7 [ 49.691471] 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 [ 49.693739] RSP: 002b:00007ffdcd6a6f58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 49.694710] RAX: ffffffffffffffda RBX: 00007ffdcd6a7598 RCX: 00007fc8621850d7 [ 49.695607] RDX: 00007fc8621ef41f RSI: 00007ffdcd6a6ef0 RDI: 0000000040000000 [ 49.696559] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdcd6a6d00 [ 49.697496] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc862297bf0 [ 49.698447] R13: 00007ffdcd6a7030 R14: 0000000000000000 R15: 00000000000000f8 [ 49.699394] [ 49.699710] irq event stamp: 9179 [ 49.700175] hardirqs last enabled at (9189): [] __up_console_sem+0x78/0x80 [ 49.701307] hardirqs last disabled at (9202): [] __up_console_sem+0x5d/0x80 [ 49.702434] softirqs last enabled at (9086): [] irq_exit_rcu+0x93/0xc0 [ 49.703514] softirqs last disabled at (9081): [] irq_exit_rcu+0x93/0xc0 [ 49.704593] ---[ end trace 0000000000000000 ]--- [ 49.710207] ------------[ cut here ]------------ [ 49.710865] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 49.712762] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.713869] Modules linked in: [ 49.714326] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 49.715509] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.716551] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.717194] 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 [ 49.719448] RSP: 0018:ffff88800d6d7c00 EFLAGS: 00010282 [ 49.720127] RAX: 0000000000000000 RBX: ffff88800d6bf240 RCX: 0000000000000000 [ 49.721030] RDX: ffff88800f143680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 49.721939] RBP: ffff88800d6bf254 R08: 0000000000000001 R09: 0000000000000000 [ 49.722837] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.723730] R13: ffffffff84e223a0 R14: ffff88800d6bf248 R15: ffffffff84da62e0 [ 49.724633] FS: 0000555555ef8400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.725631] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.726371] CR2: 00007f3cb998d6f4 CR3: 000000000de40000 CR4: 0000000000350ee0 [ 49.727280] Call Trace: [ 49.727610] [ 49.727940] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 49.728584] ipv6_frags_init_net+0x206/0x3c0 [ 49.729143] ops_init+0xbb/0x6b0 [ 49.729623] setup_net+0x3d9/0x990 [ 49.730078] ? down_read_killable+0x1d7/0x4e0 [ 49.730678] ? __pfx_setup_net+0x10/0x10 [ 49.731194] ? copy_net_ns+0x17c/0x770 [ 49.731733] copy_net_ns+0x321/0x770 [ 49.732288] create_new_namespaces+0x3f6/0xb30 [ 49.732873] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.733526] ksys_unshare+0x44d/0x8e0 [ 49.734027] ? __pfx_ksys_unshare+0x10/0x10 [ 49.734607] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.735362] __x64_sys_unshare+0x31/0x40 [ 49.735905] do_syscall_64+0x3f/0x90 [ 49.736423] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.737084] RIP: 0033:0x7fc8621850d7 [ 49.737594] 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 [ 49.739842] RSP: 002b:00007ffdcd6a6f58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 49.740852] RAX: ffffffffffffffda RBX: 00007ffdcd6a7598 RCX: 00007fc8621850d7 [ 49.741783] RDX: 00007fc8621ef41f RSI: 00007ffdcd6a6ef0 RDI: 0000000040000000 [ 49.742703] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdcd6a6d00 [ 49.743628] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc862297bf0 [ 49.744558] R13: 00007ffdcd6a7030 R14: 0000000000000000 R15: 00000000000000f8 [ 49.745487] [ 49.745791] irq event stamp: 10927 [ 49.746266] hardirqs last enabled at (10939): [] __up_console_sem+0x78/0x80 [ 49.747343] hardirqs last disabled at (10950): [] __up_console_sem+0x5d/0x80 [ 49.748443] softirqs last enabled at (10864): [] irq_exit_rcu+0x93/0xc0 [ 49.749487] softirqs last disabled at (10855): [] irq_exit_rcu+0x93/0xc0 [ 49.750535] ---[ end trace 0000000000000000 ]--- [ 49.751904] ------------[ cut here ]------------ [ 49.752573] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 49.754579] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.755640] Modules linked in: [ 49.756070] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 49.757248] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.758283] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.758935] 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 [ 49.761115] RSP: 0018:ffff88800d6d7bf0 EFLAGS: 00010286 [ 49.761807] RAX: 0000000000000000 RBX: ffff88800d6be840 RCX: 0000000000000000 [ 49.762706] RDX: ffff88800f143680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 49.763597] RBP: ffff88800d6be854 R08: 0000000000000001 R09: 0000000000000000 [ 49.764525] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.765427] R13: ffffffff84e223a0 R14: ffff88800d6be848 R15: ffffffff84daf020 [ 49.766324] FS: 0000555555ef8400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.767330] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.768052] CR2: 00007f3cb998d6f4 CR3: 000000000de40000 CR4: 0000000000350ee0 [ 49.768966] Call Trace: [ 49.769328] [ 49.769629] nf_ct_net_init+0x224/0x3d0 [ 49.770140] ? __pfx_nf_ct_net_init+0x10/0x10 [ 49.770754] ops_init+0xbb/0x6b0 [ 49.771316] setup_net+0x3d9/0x990 [ 49.771844] ? down_read_killable+0x1d7/0x4e0 [ 49.772579] ? __pfx_setup_net+0x10/0x10 [ 49.773186] ? copy_net_ns+0x17c/0x770 [ 49.773826] copy_net_ns+0x321/0x770 [ 49.774447] create_new_namespaces+0x3f6/0xb30 [ 49.775145] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.775949] ksys_unshare+0x44d/0x8e0 [ 49.776574] ? __pfx_ksys_unshare+0x10/0x10 [ 49.777282] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.778139] __x64_sys_unshare+0x31/0x40 [ 49.778808] do_syscall_64+0x3f/0x90 [ 49.779422] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.780211] RIP: 0033:0x7fc8621850d7 [ 49.780823] 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 [ 49.783436] RSP: 002b:00007ffdcd6a6f58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 49.784615] RAX: ffffffffffffffda RBX: 00007ffdcd6a7598 RCX: 00007fc8621850d7 [ 49.785687] RDX: 00007fc8621ef41f RSI: 00007ffdcd6a6ef0 RDI: 0000000040000000 [ 49.786757] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdcd6a6d00 [ 49.787847] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fc862297bf0 [ 49.788947] R13: 00007ffdcd6a7030 R14: 0000000000000000 R15: 00000000000000f8 [ 49.790056] [ 49.790461] irq event stamp: 11705 [ 49.790984] hardirqs last enabled at (11715): [] __up_console_sem+0x78/0x80 [ 49.792291] hardirqs last disabled at (11726): [] __up_console_sem+0x5d/0x80 [ 49.793591] softirqs last enabled at (11518): [] irq_exit_rcu+0x93/0xc0 [ 49.794844] softirqs last disabled at (11513): [] irq_exit_rcu+0x93/0xc0 [ 49.796125] ---[ end trace 0000000000000000 ]--- executing program [ 51.341928] Bluetooth: hci0: command 0x0409 tx timeout [ 53.389306] Bluetooth: hci0: command 0x041b tx timeout executing program [ 55.437358] Bluetooth: hci0: command 0x040f tx timeout executing program [ 57.486401] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 19:49:46 Registers: info registers vcpu 0 RAX=000000000001c56b 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=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=00007f4d371b2ea0 CR3=000000000ea90000 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=ad636ce241171fa091494f17e2ea30be XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=c1148f5c286092b3000000000013bb78 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=2eb2d564bc0fa1a700000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00200000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000005d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800d6d75f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000005d R11=0000000000000001 R12=000000000000005d 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 0000555555ef8400 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=00007f3cb998d6f4 CR3=000000000de40000 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