Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:34247' (ECDSA) to the list of known hosts. 2023/05/16 18:52:35 fuzzer started 2023/05/16 18:52:35 dialing manager at localhost:35573 2023/05/16 18:52:35 checking machine... 2023/05/16 18:52:35 checking revisions... syzkaller login: [ 37.132768] kmemleak: Automatic memory scanning thread ended 2023/05/16 18:52:35 testing simple program... [ 37.199615] cgroup: Unknown subsys name 'net' [ 37.262363] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.803414] audit: type=1400 audit(1684263168.285:6): 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 [ 50.968405] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.970003] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.971317] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.973772] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.975155] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.976418] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.336535] ------------[ cut here ]------------ [ 51.337383] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.339723] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.341033] Modules linked in: [ 51.341571] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.346442] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.347500] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.348163] 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 [ 51.350432] RSP: 0018:ffff88800deafc00 EFLAGS: 00010282 [ 51.351117] RAX: 0000000000000000 RBX: ffff88800f1c3840 RCX: 0000000000000000 [ 51.352044] RDX: ffff88800d668000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.353012] RBP: ffff88800f1c3854 R08: 0000000000000001 R09: 0000000000000000 [ 51.353936] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.354853] R13: ffffffff84e223a0 R14: ffff88800f1c3848 R15: ffffffff84d73340 [ 51.355774] FS: 00005555563c0400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.356810] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.357585] CR2: 00007f031fa57000 CR3: 000000000c4de000 CR4: 0000000000350ee0 [ 51.358499] Call Trace: [ 51.358833] [ 51.359139] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.359792] ipv4_frags_init_net+0x269/0x440 [ 51.360411] ops_init+0xbb/0x6b0 [ 51.360897] setup_net+0x3d9/0x990 [ 51.361395] ? down_read_killable+0x1d7/0x4e0 [ 51.361969] ? __pfx_setup_net+0x10/0x10 [ 51.362516] ? copy_net_ns+0x17c/0x770 [ 51.363042] copy_net_ns+0x321/0x770 [ 51.363559] create_new_namespaces+0x3f6/0xb30 [ 51.364174] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.364860] ksys_unshare+0x44d/0x8e0 [ 51.365398] ? __pfx_ksys_unshare+0x10/0x10 [ 51.365958] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.366737] __x64_sys_unshare+0x31/0x40 [ 51.367298] do_syscall_64+0x3f/0x90 [ 51.367782] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.368471] RIP: 0033:0x7fd6ffd110d7 [ 51.368973] 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 [ 51.371206] RSP: 002b:00007ffea0b69d18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.372183] RAX: ffffffffffffffda RBX: 00007ffea0b6a358 RCX: 00007fd6ffd110d7 [ 51.373118] RDX: 00007fd6ffd7b41f RSI: 00007ffea0b69cb0 RDI: 0000000040000000 [ 51.374022] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffea0b69ac0 [ 51.374937] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd6ffe23bf0 [ 51.375852] R13: 00007ffea0b69df0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.376798] [ 51.377107] irq event stamp: 8017 [ 51.377569] hardirqs last enabled at (8029): [] __up_console_sem+0x78/0x80 [ 51.378664] hardirqs last disabled at (8040): [] __up_console_sem+0x5d/0x80 [ 51.379760] softirqs last enabled at (7746): [] irq_exit_rcu+0x93/0xc0 [ 51.380844] softirqs last disabled at (7737): [] irq_exit_rcu+0x93/0xc0 [ 51.381903] ---[ end trace 0000000000000000 ]--- [ 51.388135] ------------[ cut here ]------------ [ 51.388925] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.390644] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.391736] Modules linked in: [ 51.392157] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.393355] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.394407] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.395059] 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 [ 51.397320] RSP: 0018:ffff88800deafc00 EFLAGS: 00010282 [ 51.398003] RAX: 0000000000000000 RBX: ffff88801647c640 RCX: 0000000000000000 [ 51.398921] RDX: ffff88800d668000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.399830] RBP: ffff88801647c654 R08: 0000000000000001 R09: 0000000000000000 [ 51.400768] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.401675] R13: ffffffff84e223a0 R14: ffff88801647c648 R15: ffffffff84da62e0 [ 51.402591] FS: 00005555563c0400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.403620] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.404391] CR2: 00007f031fa57000 CR3: 000000000c4de000 CR4: 0000000000350ee0 [ 51.405326] Call Trace: [ 51.405669] [ 51.405980] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.406648] ipv6_frags_init_net+0x206/0x3c0 [ 51.407224] ops_init+0xbb/0x6b0 [ 51.407703] setup_net+0x3d9/0x990 [ 51.408163] ? down_read_killable+0x1d7/0x4e0 [ 51.408782] ? __pfx_setup_net+0x10/0x10 [ 51.409342] ? copy_net_ns+0x17c/0x770 [ 51.409865] copy_net_ns+0x321/0x770 [ 51.410383] create_new_namespaces+0x3f6/0xb30 [ 51.410985] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.411660] ksys_unshare+0x44d/0x8e0 [ 51.412159] ? __pfx_ksys_unshare+0x10/0x10 [ 51.412794] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.413532] __x64_sys_unshare+0x31/0x40 [ 51.414052] do_syscall_64+0x3f/0x90 [ 51.414558] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.415200] RIP: 0033:0x7fd6ffd110d7 [ 51.415688] 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 [ 51.417866] RSP: 002b:00007ffea0b69d18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.418816] RAX: ffffffffffffffda RBX: 00007ffea0b6a358 RCX: 00007fd6ffd110d7 [ 51.419691] RDX: 00007fd6ffd7b41f RSI: 00007ffea0b69cb0 RDI: 0000000040000000 [ 51.420618] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffea0b69ac0 [ 51.421515] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd6ffe23bf0 [ 51.422415] R13: 00007ffea0b69df0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.423324] [ 51.423626] irq event stamp: 10457 [ 51.424062] hardirqs last enabled at (10467): [] __up_console_sem+0x78/0x80 [ 51.425149] hardirqs last disabled at (10478): [] __up_console_sem+0x5d/0x80 [ 51.426214] softirqs last enabled at (9968): [] irq_exit_rcu+0x93/0xc0 [ 51.427260] softirqs last disabled at (9963): [] irq_exit_rcu+0x93/0xc0 [ 51.428301] ---[ end trace 0000000000000000 ]--- [ 51.429625] ------------[ cut here ]------------ [ 51.430210] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.432173] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.433275] Modules linked in: [ 51.433681] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.434838] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.435853] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.436521] 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 [ 51.438698] RSP: 0018:ffff88800deafbf0 EFLAGS: 00010286 [ 51.439380] RAX: 0000000000000000 RBX: ffff88800dd40440 RCX: 0000000000000000 [ 51.440265] RDX: ffff88800d668000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.441150] RBP: ffff88800dd40454 R08: 0000000000000001 R09: 0000000000000000 [ 51.442040] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.442922] R13: ffffffff84e223a0 R14: ffff88800dd40448 R15: ffffffff84daf020 [ 51.443804] FS: 00005555563c0400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.444834] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.445593] CR2: 00007f031fa57000 CR3: 000000000c4de000 CR4: 0000000000350ee0 [ 51.446511] Call Trace: [ 51.446851] [ 51.447153] nf_ct_net_init+0x224/0x3d0 [ 51.447713] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.448337] ops_init+0xbb/0x6b0 [ 51.448820] setup_net+0x3d9/0x990 [ 51.449317] ? down_read_killable+0x1d7/0x4e0 [ 51.449904] ? __pfx_setup_net+0x10/0x10 [ 51.450457] ? copy_net_ns+0x17c/0x770 [ 51.450975] copy_net_ns+0x321/0x770 [ 51.451495] create_new_namespaces+0x3f6/0xb30 [ 51.452099] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.452783] ksys_unshare+0x44d/0x8e0 [ 51.453316] ? __pfx_ksys_unshare+0x10/0x10 [ 51.453884] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.454660] __x64_sys_unshare+0x31/0x40 [ 51.455195] do_syscall_64+0x3f/0x90 [ 51.455707] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.456411] RIP: 0033:0x7fd6ffd110d7 [ 51.456908] 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 [ 51.459143] RSP: 002b:00007ffea0b69d18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.460120] RAX: ffffffffffffffda RBX: 00007ffea0b6a358 RCX: 00007fd6ffd110d7 [ 51.461115] RDX: 00007fd6ffd7b41f RSI: 00007ffea0b69cb0 RDI: 0000000040000000 [ 51.462035] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffea0b69ac0 [ 51.462958] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd6ffe23bf0 [ 51.463879] R13: 00007ffea0b69df0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.464841] [ 51.465154] irq event stamp: 11217 [ 51.465642] hardirqs last enabled at (11229): [] __up_console_sem+0x78/0x80 [ 51.466742] hardirqs last disabled at (11240): [] __up_console_sem+0x5d/0x80 [ 51.467875] softirqs last enabled at (11202): [] irq_exit_rcu+0x93/0xc0 [ 51.468976] softirqs last disabled at (11193): [] irq_exit_rcu+0x93/0xc0 [ 51.470059] ---[ end trace 0000000000000000 ]--- executing program [ 52.992951] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.042698] Bluetooth: hci0: command 0x041b tx timeout [ 57.088334] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.136309] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 18:52:48 Registers: info registers vcpu 0 RAX=0000000000025bd1 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=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 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=00007f99e8037018 CR3=000000000eb6c000 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=d0990770fab3a78de340523d10cc2731 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=a8d485437ad2e241000000000013b890 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=1a1dc9dc2960c9b400000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00002020202020200020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000047 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800deaf5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000047 R11=0000000000000001 R12=0000000000000047 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 00005555563c0400 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=00007f031fa57000 CR3=000000000c4de000 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