Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:6989' (ECDSA) to the list of known hosts. 2023/05/16 13:21:57 fuzzer started 2023/05/16 13:21:57 dialing manager at localhost:35573 2023/05/16 13:21:57 checking machine... 2023/05/16 13:21:57 checking revisions... syzkaller login: [ 63.254666] kmemleak: Automatic memory scanning thread ended 2023/05/16 13:21:57 testing simple program... [ 63.310207] cgroup: Unknown subsys name 'net' [ 63.367955] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 75.300056] audit: type=1400 audit(1684243329.925:6): avc: denied { execmem } for pid=264 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 76.444494] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 76.446966] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 76.448528] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 76.451589] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 76.453310] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 76.454828] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 76.854541] ------------[ cut here ]------------ [ 76.855781] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 76.857880] WARNING: CPU: 0 PID: 265 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 76.859086] Modules linked in: [ 76.859493] CPU: 0 PID: 265 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 76.862623] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 76.865216] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 76.865915] 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 [ 76.868233] RSP: 0018:ffff888018cefc00 EFLAGS: 00010282 [ 76.868946] RAX: 0000000000000000 RBX: ffff88800c6ff040 RCX: 0000000000000000 [ 76.869864] RDX: ffff88800ef60000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 76.870801] RBP: ffff88800c6ff054 R08: 0000000000000001 R09: 0000000000000000 [ 76.871736] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 76.872637] R13: ffffffff84e223a0 R14: ffff88800c6ff048 R15: ffffffff84d73340 [ 76.873570] FS: 0000555555b28400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 76.874660] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.875406] CR2: 00007fb08ed38b70 CR3: 000000000d3c2000 CR4: 0000000000350ef0 [ 76.876330] Call Trace: [ 76.876698] [ 76.877004] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 76.877674] ipv4_frags_init_net+0x269/0x440 [ 76.878281] ops_init+0xbb/0x6b0 [ 76.878775] setup_net+0x3d9/0x990 [ 76.879252] ? down_read_killable+0x1d7/0x4e0 [ 76.879873] ? __pfx_setup_net+0x10/0x10 [ 76.880401] ? copy_net_ns+0x17c/0x770 [ 76.881071] copy_net_ns+0x321/0x770 [ 76.881574] create_new_namespaces+0x3f6/0xb30 [ 76.882239] unshare_nsproxy_namespaces+0xc1/0x200 [ 76.882908] ksys_unshare+0x44d/0x8e0 [ 76.883420] ? __pfx_ksys_unshare+0x10/0x10 [ 76.884019] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 76.884795] __x64_sys_unshare+0x31/0x40 [ 76.885335] do_syscall_64+0x3f/0x90 [ 76.885857] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 76.886544] RIP: 0033:0x7f0a42a3b0d7 [ 76.887074] 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 [ 76.889365] RSP: 002b:00007ffd41a99558 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 76.890364] RAX: ffffffffffffffda RBX: 00007ffd41a99b98 RCX: 00007f0a42a3b0d7 [ 76.891295] RDX: 00007f0a42aa541f RSI: 00007ffd41a994f0 RDI: 0000000040000000 [ 76.892220] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd41a99300 [ 76.893152] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0a42b4dbf0 [ 76.894083] R13: 00007ffd41a99630 R14: 0000000000000000 R15: 00000000000000f8 [ 76.895024] [ 76.895336] irq event stamp: 8431 [ 76.895805] hardirqs last enabled at (8443): [] __up_console_sem+0x78/0x80 [ 76.896916] hardirqs last disabled at (8454): [] __up_console_sem+0x5d/0x80 [ 76.898055] softirqs last enabled at (8338): [] irq_exit_rcu+0x93/0xc0 [ 76.899119] softirqs last disabled at (8333): [] irq_exit_rcu+0x93/0xc0 [ 76.900210] ---[ end trace 0000000000000000 ]--- [ 76.906385] ------------[ cut here ]------------ [ 76.907027] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 76.908716] WARNING: CPU: 0 PID: 265 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 76.909775] Modules linked in: [ 76.910202] CPU: 0 PID: 265 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 76.911367] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 76.912374] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 76.913060] 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 [ 76.915285] RSP: 0018:ffff888018cefc00 EFLAGS: 00010282 [ 76.915982] RAX: 0000000000000000 RBX: ffff88800eefd440 RCX: 0000000000000000 [ 76.916867] RDX: ffff88800ef60000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 76.917747] RBP: ffff88800eefd454 R08: 0000000000000001 R09: 0000000000000000 [ 76.918627] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 76.919514] R13: ffffffff84e223a0 R14: ffff88800eefd448 R15: ffffffff84da62e0 [ 76.920403] FS: 0000555555b28400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 76.921387] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.922140] CR2: 00007fb08ed38b70 CR3: 000000000d3c2000 CR4: 0000000000350ef0 [ 76.923037] Call Trace: [ 76.923362] [ 76.923689] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 76.924300] ipv6_frags_init_net+0x206/0x3c0 [ 76.924889] ops_init+0xbb/0x6b0 [ 76.925347] setup_net+0x3d9/0x990 [ 76.925849] ? down_read_killable+0x1d7/0x4e0 [ 76.926464] ? __pfx_setup_net+0x10/0x10 [ 76.927024] ? copy_net_ns+0x17c/0x770 [ 76.927542] copy_net_ns+0x321/0x770 [ 76.928070] create_new_namespaces+0x3f6/0xb30 [ 76.928719] unshare_nsproxy_namespaces+0xc1/0x200 [ 76.929357] ksys_unshare+0x44d/0x8e0 [ 76.929901] ? __pfx_ksys_unshare+0x10/0x10 [ 76.930479] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 76.931264] __x64_sys_unshare+0x31/0x40 [ 76.931847] do_syscall_64+0x3f/0x90 [ 76.932346] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 76.933041] RIP: 0033:0x7f0a42a3b0d7 [ 76.933529] 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 [ 76.935964] RSP: 002b:00007ffd41a99558 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 76.936982] RAX: ffffffffffffffda RBX: 00007ffd41a99b98 RCX: 00007f0a42a3b0d7 [ 76.937904] RDX: 00007f0a42aa541f RSI: 00007ffd41a994f0 RDI: 0000000040000000 [ 76.938852] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd41a99300 [ 76.939780] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0a42b4dbf0 [ 76.940720] R13: 00007ffd41a99630 R14: 0000000000000000 R15: 00000000000000f8 [ 76.941671] [ 76.941993] irq event stamp: 10171 [ 76.942460] hardirqs last enabled at (10181): [] __up_console_sem+0x78/0x80 [ 76.943592] hardirqs last disabled at (10192): [] __up_console_sem+0x5d/0x80 [ 76.944716] softirqs last enabled at (9284): [] irq_exit_rcu+0x93/0xc0 [ 76.945797] softirqs last disabled at (9227): [] irq_exit_rcu+0x93/0xc0 [ 76.946907] ---[ end trace 0000000000000000 ]--- [ 76.948294] ------------[ cut here ]------------ [ 76.948926] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 76.950919] WARNING: CPU: 0 PID: 265 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 76.952032] Modules linked in: [ 76.952456] CPU: 0 PID: 265 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 76.953693] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 76.954788] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 76.955462] 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 [ 76.957768] RSP: 0018:ffff888018cefbf0 EFLAGS: 00010286 [ 76.958473] RAX: 0000000000000000 RBX: ffff88800eefde40 RCX: 0000000000000000 [ 76.959405] RDX: ffff88800ef60000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 76.960348] RBP: ffff88800eefde54 R08: 0000000000000001 R09: 0000000000000000 [ 76.961290] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 76.962234] R13: ffffffff84e223a0 R14: ffff88800eefde48 R15: ffffffff84daf020 [ 76.963165] FS: 0000555555b28400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 76.964210] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.964995] CR2: 00007fb08ed38b70 CR3: 000000000d3c2000 CR4: 0000000000350ef0 [ 76.965911] Call Trace: [ 76.966266] [ 76.966592] nf_ct_net_init+0x224/0x3d0 [ 76.967195] ? __pfx_nf_ct_net_init+0x10/0x10 [ 76.967831] ops_init+0xbb/0x6b0 [ 76.968293] setup_net+0x3d9/0x990 [ 76.968801] ? down_read_killable+0x1d7/0x4e0 [ 76.969393] ? __pfx_setup_net+0x10/0x10 [ 76.969951] ? copy_net_ns+0x17c/0x770 [ 76.970505] copy_net_ns+0x321/0x770 [ 76.971042] create_new_namespaces+0x3f6/0xb30 [ 76.971683] unshare_nsproxy_namespaces+0xc1/0x200 [ 76.972329] ksys_unshare+0x44d/0x8e0 [ 76.972875] ? __pfx_ksys_unshare+0x10/0x10 [ 76.973421] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 76.974219] __x64_sys_unshare+0x31/0x40 [ 76.974796] do_syscall_64+0x3f/0x90 [ 76.975304] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 76.976005] RIP: 0033:0x7f0a42a3b0d7 [ 76.976493] 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 [ 76.978815] RSP: 002b:00007ffd41a99558 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 76.979810] RAX: ffffffffffffffda RBX: 00007ffd41a99b98 RCX: 00007f0a42a3b0d7 [ 76.980737] RDX: 00007f0a42aa541f RSI: 00007ffd41a994f0 RDI: 0000000040000000 [ 76.981670] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd41a99300 [ 76.982580] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0a42b4dbf0 [ 76.983512] R13: 00007ffd41a99630 R14: 0000000000000000 R15: 00000000000000f8 [ 76.984481] [ 76.984832] irq event stamp: 10977 [ 76.985296] hardirqs last enabled at (10987): [] __up_console_sem+0x78/0x80 [ 76.986432] hardirqs last disabled at (10998): [] __up_console_sem+0x5d/0x80 [ 76.987549] softirqs last enabled at (10516): [] irq_exit_rcu+0x93/0xc0 [ 76.988665] softirqs last disabled at (10507): [] irq_exit_rcu+0x93/0xc0 [ 76.989758] ---[ end trace 0000000000000000 ]--- executing program [ 78.529346] Bluetooth: hci0: command 0x0409 tx timeout [ 80.576717] Bluetooth: hci0: command 0x041b tx timeout executing program [ 82.624714] Bluetooth: hci0: command 0x040f tx timeout executing program [ 84.672737] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 13:21:47 Registers: info registers vcpu 0 RAX=0000000000000005 RBX=00000000000003f9 RCX=0000000000000000 RDX=00000000000003f9 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888018cef5f0 R8 =0000000000000007 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=0000000000000005 R13=ffffffff87f27bc0 R14=0000000000000010 R15=ffffffff82507670 RIP=ffffffff825076dd RFL=00000006 [-----P-] 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 0000555555b28400 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=00007fb08ed38b70 CR3=000000000d3c2000 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=0000000000063639 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=00007fb08ed61b88 CR3=000000001610c000 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=01cf71d88aaa5ca32e41a9a66a16e7ac XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d35f14e95510c1f6000000000010d448 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=2a0aa96fb397dbaa00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000