Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:35787' (ECDSA) to the list of known hosts. 2023/05/18 01:16:42 fuzzer started 2023/05/18 01:16:43 dialing manager at localhost:44319 2023/05/18 01:16:43 checking machine... 2023/05/18 01:16:43 checking revisions... syzkaller login: [ 37.682757] kmemleak: Automatic memory scanning thread ended 2023/05/18 01:16:43 testing simple program... [ 37.748992] cgroup: Unknown subsys name 'net' [ 37.836325] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.998633] audit: type=1400 audit(1684372616.675:6): 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 [ 52.135620] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.137615] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.139392] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.142175] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.144312] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.145664] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.527429] ------------[ cut here ]------------ [ 52.528295] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.530481] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.531633] Modules linked in: [ 52.532069] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.536816] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.537892] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.538565] 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 [ 52.540828] RSP: 0018:ffff8880158efc00 EFLAGS: 00010282 [ 52.541520] RAX: 0000000000000000 RBX: ffff8880101bac40 RCX: 0000000000000000 [ 52.542461] RDX: ffff88800c65d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 executing program [ 52.543409] RBP: ffff8880101bac54 R08: 0000000000000001 R09: 0000000000000000 [ 52.544946] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.545907] R13: ffffffff84e23fe0 R14: ffff8880101bac48 R15: ffffffff84d74dc0 [ 52.546842] FS: 0000555556f55400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.547892] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.548661] CR2: 00007f1a7f2026f4 CR3: 00000000169ea000 CR4: 0000000000350ef0 [ 52.549599] Call Trace: [ 52.549988] [ 52.550309] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.550991] ipv4_frags_init_net+0x269/0x440 [ 52.551578] ops_init+0xbb/0x6b0 [ 52.552091] setup_net+0x3d9/0x990 [ 52.552578] ? down_read_killable+0x1d7/0x4e0 [ 52.553217] ? __pfx_setup_net+0x10/0x10 [ 52.553792] ? copy_net_ns+0x17c/0x770 [ 52.554332] copy_net_ns+0x321/0x770 [ 52.554869] create_new_namespaces+0x3f6/0xb30 [ 52.555484] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.556165] ksys_unshare+0x44d/0x8e0 [ 52.556737] ? __pfx_ksys_unshare+0x10/0x10 [ 52.557323] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.558108] __x64_sys_unshare+0x31/0x40 [ 52.558649] do_syscall_64+0x3f/0x90 [ 52.559185] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.559901] RIP: 0033:0x7f4af22260d7 [ 52.560408] 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 [ 52.562711] RSP: 002b:00007ffc9a327828 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.563672] RAX: ffffffffffffffda RBX: 00007ffc9a327e68 RCX: 00007f4af22260d7 [ 52.564650] RDX: 00007f4af229041f RSI: 00007ffc9a3277c0 RDI: 0000000040000000 [ 52.565591] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc9a3275d0 [ 52.566523] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f4af2338bf0 [ 52.567474] R13: 00007ffc9a327900 R14: 0000000000000000 R15: 00000000000000f8 [ 52.568443] [ 52.568805] irq event stamp: 7953 [ 52.569253] hardirqs last enabled at (7963): [] __up_console_sem+0x78/0x80 [ 52.570381] hardirqs last disabled at (7974): [] __up_console_sem+0x5d/0x80 [ 52.571501] softirqs last enabled at (7576): [] irq_exit_rcu+0x93/0xc0 [ 52.572601] softirqs last disabled at (7529): [] irq_exit_rcu+0x93/0xc0 [ 52.573705] ---[ end trace 0000000000000000 ]--- [ 52.579148] ------------[ cut here ]------------ [ 52.579790] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.581484] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.582604] Modules linked in: [ 52.583054] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.584285] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.585363] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.586072] 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 [ 52.588386] RSP: 0018:ffff8880158efc00 EFLAGS: 00010282 [ 52.589112] RAX: 0000000000000000 RBX: ffff88800d8cfe40 RCX: 0000000000000000 [ 52.590060] RDX: ffff88800c65d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.590999] RBP: ffff88800d8cfe54 R08: 0000000000000001 R09: 0000000000000000 [ 52.591945] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.592904] R13: ffffffff84e23fe0 R14: ffff88800d8cfe48 R15: ffffffff84da7d60 [ 52.593850] FS: 0000555556f55400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.594900] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.595636] CR2: 00007f1a7f2026f4 CR3: 00000000169ea000 CR4: 0000000000350ef0 [ 52.596614] Call Trace: [ 52.596982] [ 52.597296] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.597979] ipv6_frags_init_net+0x206/0x3c0 [ 52.598567] ops_init+0xbb/0x6b0 [ 52.599068] setup_net+0x3d9/0x990 [ 52.599548] ? down_read_killable+0x1d7/0x4e0 [ 52.600180] ? __pfx_setup_net+0x10/0x10 [ 52.600769] ? copy_net_ns+0x17c/0x770 [ 52.601299] copy_net_ns+0x321/0x770 [ 52.601847] create_new_namespaces+0x3f6/0xb30 [ 52.602465] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.603153] ksys_unshare+0x44d/0x8e0 [ 52.603711] ? __pfx_ksys_unshare+0x10/0x10 [ 52.604330] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.605109] __x64_sys_unshare+0x31/0x40 [ 52.605649] do_syscall_64+0x3f/0x90 [ 52.606188] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.606906] RIP: 0033:0x7f4af22260d7 [ 52.607392] 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 [ 52.609714] RSP: 002b:00007ffc9a327828 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.610803] RAX: ffffffffffffffda RBX: 00007ffc9a327e68 RCX: 00007f4af22260d7 [ 52.611652] RDX: 00007f4af229041f RSI: 00007ffc9a3277c0 RDI: 0000000040000000 [ 52.612601] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc9a3275d0 [ 52.613514] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f4af2338bf0 [ 52.614402] R13: 00007ffc9a327900 R14: 0000000000000000 R15: 00000000000000f8 [ 52.615316] [ 52.615616] irq event stamp: 9827 [ 52.616072] hardirqs last enabled at (9839): [] __up_console_sem+0x78/0x80 [ 52.617143] hardirqs last disabled at (9850): [] __up_console_sem+0x5d/0x80 [ 52.618205] softirqs last enabled at (9510): [] irq_exit_rcu+0x93/0xc0 [ 52.619232] softirqs last disabled at (9501): [] irq_exit_rcu+0x93/0xc0 [ 52.620343] ---[ end trace 0000000000000000 ]--- [ 52.622497] ------------[ cut here ]------------ [ 52.623177] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.625142] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.626203] Modules linked in: [ 52.626618] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.627795] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.628828] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.629468] 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 [ 52.631640] RSP: 0018:ffff8880158efbf0 EFLAGS: 00010286 [ 52.632336] RAX: 0000000000000000 RBX: ffff88800d8ce440 RCX: 0000000000000000 [ 52.633226] RDX: ffff88800c65d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.634107] RBP: ffff88800d8ce454 R08: 0000000000000001 R09: 0000000000000000 [ 52.635006] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.635886] R13: ffffffff84e23fe0 R14: ffff88800d8ce448 R15: ffffffff84db0aa0 [ 52.636796] FS: 0000555556f55400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.637779] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.638485] CR2: 00007f1a7f2026f4 CR3: 00000000169ea000 CR4: 0000000000350ef0 [ 52.639381] Call Trace: [ 52.639735] [ 52.640036] nf_ct_net_init+0x224/0x3d0 [ 52.640572] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.641182] ops_init+0xbb/0x6b0 [ 52.641634] setup_net+0x3d9/0x990 [ 52.642121] ? down_read_killable+0x1d7/0x4e0 [ 52.642722] ? __pfx_setup_net+0x10/0x10 [ 52.643232] ? copy_net_ns+0x17c/0x770 [ 52.643769] copy_net_ns+0x321/0x770 [ 52.644259] create_new_namespaces+0x3f6/0xb30 [ 52.644881] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.645497] ksys_unshare+0x44d/0x8e0 [ 52.646013] ? __pfx_ksys_unshare+0x10/0x10 [ 52.646557] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.647303] __x64_sys_unshare+0x31/0x40 [ 52.647851] do_syscall_64+0x3f/0x90 [ 52.648347] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.649021] RIP: 0033:0x7f4af22260d7 [ 52.649480] 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 [ 52.651660] RSP: 002b:00007ffc9a327828 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.652621] RAX: ffffffffffffffda RBX: 00007ffc9a327e68 RCX: 00007f4af22260d7 [ 52.653509] RDX: 00007f4af229041f RSI: 00007ffc9a3277c0 RDI: 0000000040000000 [ 52.654420] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc9a3275d0 [ 52.655327] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f4af2338bf0 [ 52.656210] R13: 00007ffc9a327900 R14: 0000000000000000 R15: 00000000000000f8 [ 52.657163] [ 52.657484] irq event stamp: 10607 [ 52.657978] hardirqs last enabled at (10619): [] __up_console_sem+0x78/0x80 [ 52.659118] hardirqs last disabled at (10630): [] __up_console_sem+0x5d/0x80 [ 52.660239] softirqs last enabled at (10458): [] irq_exit_rcu+0x93/0xc0 [ 52.661340] softirqs last disabled at (10453): [] irq_exit_rcu+0x93/0xc0 [ 52.662449] ---[ end trace 0000000000000000 ]--- [ 54.220556] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 56.268766] Bluetooth: hci0: command 0x041b tx timeout [ 58.315749] Bluetooth: hci0: command 0x040f tx timeout executing program [ 60.363775] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 01:16:56 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880158ef5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555556f55400 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=00007f1a7f2026f4 CR3=00000000169ea000 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=000000000002546b RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 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 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=00007f436e5010a0 CR3=000000000ffb4000 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=2038353a36313a31302038312079614d XMM01=5d3936303233352e32352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d39 XMM07=6e72656b2072656c6c616b7a79732038 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000