Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:5718' (ECDSA) to the list of known hosts. 2023/05/17 04:34:44 fuzzer started 2023/05/17 04:34:45 dialing manager at localhost:35573 2023/05/17 04:34:45 checking machine... 2023/05/17 04:34:45 checking revisions... syzkaller login: [ 45.083525] kmemleak: Automatic memory scanning thread ended 2023/05/17 04:34:45 testing simple program... [ 45.149347] cgroup: Unknown subsys name 'net' [ 45.226031] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 58.381608] audit: type=1400 audit(1684298098.772:6): 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 [ 59.472812] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.475912] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.477155] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.479862] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.482318] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.485398] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.862401] ------------[ cut here ]------------ [ 59.863163] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 59.865118] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.866398] Modules linked in: [ 59.866914] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.871881] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.872920] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.873623] 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 [ 59.875851] RSP: 0018:ffff88800d8afc00 EFLAGS: 00010282 [ 59.876552] RAX: 0000000000000000 RBX: ffff88800d6d4440 RCX: 0000000000000000 [ 59.877461] RDX: ffff88800fa2d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.878368] RBP: ffff88800d6d4454 R08: 0000000000000001 R09: 0000000000000000 [ 59.879288] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 59.880159] R13: ffffffff84e223a0 R14: ffff88800d6d4448 R15: ffffffff84d73340 [ 59.881086] FS: 000055555738d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.882102] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.882865] CR2: 00007f06d6e286f4 CR3: 000000001687c000 CR4: 0000000000350ee0 [ 59.883780] Call Trace: [ 59.884116] [ 59.884466] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 59.885088] ipv4_frags_init_net+0x269/0x440 [ 59.885680] ops_init+0xbb/0x6b0 [ 59.886140] setup_net+0x3d9/0x990 [ 59.886632] ? down_read_killable+0x1d7/0x4e0 [ 59.887270] ? __pfx_setup_net+0x10/0x10 [ 59.887785] ? copy_net_ns+0x17c/0x770 [ 59.888332] copy_net_ns+0x321/0x770 [ 59.888828] create_new_namespaces+0x3f6/0xb30 [ 59.889456] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.890080] ksys_unshare+0x44d/0x8e0 [ 59.890614] ? __pfx_ksys_unshare+0x10/0x10 [ 59.891176] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.891940] __x64_sys_unshare+0x31/0x40 [ 59.892510] do_syscall_64+0x3f/0x90 [ 59.892999] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.893688] RIP: 0033:0x7f3caf4760d7 [ 59.894170] 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 [ 59.896392] RSP: 002b:00007fff9db6e0e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.897366] RAX: ffffffffffffffda RBX: 00007fff9db6e728 RCX: 00007f3caf4760d7 [ 59.898279] RDX: 00007f3caf4e041f RSI: 00007fff9db6e080 RDI: 0000000040000000 [ 59.899192] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff9db6de90 [ 59.900100] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f3caf588bf0 [ 59.901006] R13: 00007fff9db6e1c0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.901943] [ 59.902291] irq event stamp: 8479 [ 59.902731] hardirqs last enabled at (8489): [] __up_console_sem+0x78/0x80 [ 59.903832] hardirqs last disabled at (8500): [] __up_console_sem+0x5d/0x80 [ 59.904923] softirqs last enabled at (7972): [] irq_exit_rcu+0x93/0xc0 [ 59.905981] softirqs last disabled at (7967): [] irq_exit_rcu+0x93/0xc0 [ 59.907033] ---[ end trace 0000000000000000 ]--- [ 59.913273] ------------[ cut here ]------------ [ 59.913886] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 59.915781] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.916855] Modules linked in: [ 59.917326] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.918506] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.919536] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.920193] 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 [ 59.922421] RSP: 0018:ffff88800d8afc00 EFLAGS: 00010282 [ 59.923128] RAX: 0000000000000000 RBX: ffff88800eb32e40 RCX: 0000000000000000 [ 59.924061] RDX: ffff88800fa2d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.924954] RBP: ffff88800eb32e54 R08: 0000000000000001 R09: 0000000000000000 [ 59.925848] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.926739] R13: ffffffff84e223a0 R14: ffff88800eb32e48 R15: ffffffff84da62e0 [ 59.927661] FS: 000055555738d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.928673] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.929442] CR2: 00007f06d6e286f4 CR3: 000000001687c000 CR4: 0000000000350ee0 [ 59.930337] Call Trace: [ 59.930674] [ 59.931003] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 59.931668] ipv6_frags_init_net+0x206/0x3c0 [ 59.932262] ops_init+0xbb/0x6b0 [ 59.932719] setup_net+0x3d9/0x990 [ 59.933182] ? down_read_killable+0x1d7/0x4e0 [ 59.933787] ? __pfx_setup_net+0x10/0x10 [ 59.934335] ? copy_net_ns+0x17c/0x770 [ 59.934880] copy_net_ns+0x321/0x770 [ 59.935411] create_new_namespaces+0x3f6/0xb30 [ 59.936012] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.936674] ksys_unshare+0x44d/0x8e0 [ 59.937190] ? __pfx_ksys_unshare+0x10/0x10 [ 59.937784] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.938548] __x64_sys_unshare+0x31/0x40 [ 59.939093] do_syscall_64+0x3f/0x90 [ 59.939612] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.940304] RIP: 0033:0x7f3caf4760d7 [ 59.940781] 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 [ 59.943017] RSP: 002b:00007fff9db6e0e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.943983] RAX: ffffffffffffffda RBX: 00007fff9db6e728 RCX: 00007f3caf4760d7 [ 59.944919] RDX: 00007f3caf4e041f RSI: 00007fff9db6e080 RDI: 0000000040000000 [ 59.945831] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff9db6de90 [ 59.946785] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f3caf588bf0 executing program [ 59.947716] R13: 00007fff9db6e1c0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.948890] [ 59.949200] irq event stamp: 10417 [ 59.949684] hardirqs last enabled at (10429): [] __up_console_sem+0x78/0x80 [ 59.950799] hardirqs last disabled at (10440): [] __up_console_sem+0x5d/0x80 [ 59.951897] softirqs last enabled at (9940): [] irq_exit_rcu+0x93/0xc0 [ 59.952956] softirqs last disabled at (9935): [] irq_exit_rcu+0x93/0xc0 [ 59.954018] ---[ end trace 0000000000000000 ]--- [ 59.955433] ------------[ cut here ]------------ [ 59.956038] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.958083] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.959184] Modules linked in: [ 59.959633] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.960799] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.961831] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.962508] 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 [ 59.964735] RSP: 0018:ffff88800d8afbf0 EFLAGS: 00010286 [ 59.965435] RAX: 0000000000000000 RBX: ffff88800eb32440 RCX: 0000000000000000 [ 59.966339] RDX: ffff88800fa2d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.967209] RBP: ffff88800eb32454 R08: 0000000000000001 R09: 0000000000000000 [ 59.968122] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.969020] R13: ffffffff84e223a0 R14: ffff88800eb32448 R15: ffffffff84daf020 [ 59.969920] FS: 000055555738d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.970962] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.971722] CR2: 00007f06d6e286f4 CR3: 000000001687c000 CR4: 0000000000350ee0 [ 59.972635] Call Trace: [ 59.972969] [ 59.973311] nf_ct_net_init+0x224/0x3d0 [ 59.973840] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.974448] ops_init+0xbb/0x6b0 [ 59.974929] setup_net+0x3d9/0x990 [ 59.975437] ? down_read_killable+0x1d7/0x4e0 [ 59.976013] ? __pfx_setup_net+0x10/0x10 [ 59.976559] ? copy_net_ns+0x17c/0x770 [ 59.977068] copy_net_ns+0x321/0x770 [ 59.977587] create_new_namespaces+0x3f6/0xb30 [ 59.978181] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.978882] ksys_unshare+0x44d/0x8e0 [ 59.979432] ? __pfx_ksys_unshare+0x10/0x10 [ 59.979989] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.980757] __x64_sys_unshare+0x31/0x40 [ 59.981312] do_syscall_64+0x3f/0x90 [ 59.981800] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.982479] RIP: 0033:0x7f3caf4760d7 [ 59.982988] 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 [ 59.985170] RSP: 002b:00007fff9db6e0e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.986131] RAX: ffffffffffffffda RBX: 00007fff9db6e728 RCX: 00007f3caf4760d7 [ 59.987066] RDX: 00007f3caf4e041f RSI: 00007fff9db6e080 RDI: 0000000040000000 [ 59.987964] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff9db6de90 [ 59.988867] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f3caf588bf0 [ 59.989763] R13: 00007fff9db6e1c0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.990695] [ 59.991029] irq event stamp: 11217 [ 59.991509] hardirqs last enabled at (11229): [] __up_console_sem+0x78/0x80 [ 59.992605] hardirqs last disabled at (11240): [] __up_console_sem+0x5d/0x80 [ 59.993700] softirqs last enabled at (11068): [] irq_exit_rcu+0x93/0xc0 [ 59.994744] softirqs last disabled at (11063): [] irq_exit_rcu+0x93/0xc0 [ 59.995812] ---[ end trace 0000000000000000 ]--- [ 61.493958] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 63.541407] Bluetooth: hci0: command 0x041b tx timeout [ 65.589317] Bluetooth: hci0: command 0x040f tx timeout executing program [ 67.638300] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 04:34:44 Registers: info registers vcpu 0 RAX=0000000000018e13 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=00007f63407d4608 CR3=000000000eb40000 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=0753a05129d8839f3d437e51fd1225a9 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=28bdbbb1ef653a5a000000000013b8d8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=b0ea79d23d82524b00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000065 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800d8af5f0 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 000055555738d400 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=00007f06d6e286f4 CR3=000000001687c000 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