Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:39540' (ECDSA) to the list of known hosts. 2023/05/17 00:47:04 fuzzer started 2023/05/17 00:47:04 dialing manager at localhost:35573 2023/05/17 00:47:04 checking machine... 2023/05/17 00:47:04 checking revisions... syzkaller login: [ 97.014150] kmemleak: Automatic memory scanning thread ended 2023/05/17 00:47:04 testing simple program... [ 97.084925] cgroup: Unknown subsys name 'net' [ 97.172852] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 110.325376] audit: type=1400 audit(1684284438.129:6): 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 [ 111.447852] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 111.450135] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 111.452028] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 111.455410] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 111.456938] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 111.459034] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 111.856971] ------------[ cut here ]------------ [ 111.858183] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 111.860260] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 111.861516] Modules linked in: [ 111.862034] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 111.863993] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 111.866007] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 111.867292] 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 [ 111.869422] RSP: 0018:ffff88801eeafc00 EFLAGS: 00010282 [ 111.870092] RAX: 0000000000000000 RBX: ffff88800dd6cc40 RCX: 0000000000000000 [ 111.871043] RDX: ffff88801a080000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 111.871918] RBP: ffff88800dd6cc54 R08: 0000000000000001 R09: 0000000000000000 [ 111.872818] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 111.873702] R13: ffffffff84e223a0 R14: ffff88800dd6cc48 R15: ffffffff84d73340 [ 111.874589] FS: 00005555566ef400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 executing program [ 111.875592] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.876888] CR2: 00007fbf696ab6f4 CR3: 000000001a54c000 CR4: 0000000000350ef0 [ 111.877808] Call Trace: [ 111.878130] [ 111.878451] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 111.879053] ipv4_frags_init_net+0x269/0x440 [ 111.879639] ops_init+0xbb/0x6b0 [ 111.880088] setup_net+0x3d9/0x990 [ 111.880572] ? down_read_killable+0x1d7/0x4e0 [ 111.881141] ? __pfx_setup_net+0x10/0x10 [ 111.881681] ? copy_net_ns+0x17c/0x770 [ 111.882213] copy_net_ns+0x321/0x770 [ 111.882686] create_new_namespaces+0x3f6/0xb30 [ 111.883307] unshare_nsproxy_namespaces+0xc1/0x200 [ 111.883919] ksys_unshare+0x44d/0x8e0 [ 111.884445] ? __pfx_ksys_unshare+0x10/0x10 [ 111.884980] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 111.885713] __x64_sys_unshare+0x31/0x40 [ 111.886262] do_syscall_64+0x3f/0x90 [ 111.886733] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 111.887390] RIP: 0033:0x7fa57faa90d7 [ 111.887850] 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 [ 111.890008] RSP: 002b:00007fff50e60df8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 111.890940] RAX: ffffffffffffffda RBX: 00007fff50e61438 RCX: 00007fa57faa90d7 [ 111.891820] RDX: 00007fa57fb1341f RSI: 00007fff50e60d90 RDI: 0000000040000000 [ 111.892686] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff50e60ba0 [ 111.893560] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa57fbbbbf0 [ 111.894449] R13: 00007fff50e60ed0 R14: 0000000000000000 R15: 00000000000000f8 [ 111.895344] [ 111.895645] irq event stamp: 8645 [ 111.896064] hardirqs last enabled at (8655): [] __up_console_sem+0x78/0x80 [ 111.897115] hardirqs last disabled at (8666): [] __up_console_sem+0x5d/0x80 [ 111.898188] softirqs last enabled at (8570): [] irq_exit_rcu+0x93/0xc0 [ 111.899200] softirqs last disabled at (8565): [] irq_exit_rcu+0x93/0xc0 [ 111.900212] ---[ end trace 0000000000000000 ]--- [ 111.905283] ------------[ cut here ]------------ [ 111.905879] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 111.907541] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 111.908561] Modules linked in: [ 111.908943] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 111.910028] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 111.910968] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 111.911601] 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 [ 111.913625] RSP: 0018:ffff88801eeafc00 EFLAGS: 00010282 [ 111.914293] RAX: 0000000000000000 RBX: ffff888015b79840 RCX: 0000000000000000 [ 111.915093] RDX: ffff88801a080000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 111.915926] RBP: ffff888015b79854 R08: 0000000000000001 R09: 0000000000000000 [ 111.916750] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 111.917602] R13: ffffffff84e223a0 R14: ffff888015b79848 R15: ffffffff84da62e0 [ 111.918495] FS: 00005555566ef400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 111.919495] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.920222] CR2: 00007fbf696ab6f4 CR3: 000000001a54c000 CR4: 0000000000350ef0 [ 111.921051] Call Trace: [ 111.921408] [ 111.921710] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 111.922336] ipv6_frags_init_net+0x206/0x3c0 [ 111.922889] ops_init+0xbb/0x6b0 [ 111.923362] setup_net+0x3d9/0x990 [ 111.923812] ? down_read_killable+0x1d7/0x4e0 [ 111.924395] ? __pfx_setup_net+0x10/0x10 [ 111.924871] ? copy_net_ns+0x17c/0x770 [ 111.925374] copy_net_ns+0x321/0x770 [ 111.925852] create_new_namespaces+0x3f6/0xb30 [ 111.926447] unshare_nsproxy_namespaces+0xc1/0x200 [ 111.927050] ksys_unshare+0x44d/0x8e0 [ 111.927552] ? __pfx_ksys_unshare+0x10/0x10 [ 111.928093] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 111.928811] __x64_sys_unshare+0x31/0x40 [ 111.929348] do_syscall_64+0x3f/0x90 [ 111.929818] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 111.930470] RIP: 0033:0x7fa57faa90d7 [ 111.930924] 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 [ 111.933024] RSP: 002b:00007fff50e60df8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 111.933962] RAX: ffffffffffffffda RBX: 00007fff50e61438 RCX: 00007fa57faa90d7 [ 111.934833] RDX: 00007fa57fb1341f RSI: 00007fff50e60d90 RDI: 0000000040000000 [ 111.935708] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff50e60ba0 [ 111.936588] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa57fbbbbf0 [ 111.937459] R13: 00007fff50e60ed0 R14: 0000000000000000 R15: 00000000000000f8 [ 111.938385] [ 111.938692] irq event stamp: 10319 [ 111.939115] hardirqs last enabled at (10329): [] __up_console_sem+0x78/0x80 [ 111.940184] hardirqs last disabled at (10342): [] __up_console_sem+0x5d/0x80 [ 111.941250] softirqs last enabled at (9330): [] netlink_insert+0x187/0x1820 [ 111.942326] softirqs last disabled at (9328): [] release_sock+0x1f/0x1b0 [ 111.943350] ---[ end trace 0000000000000000 ]--- [ 111.944649] ------------[ cut here ]------------ [ 111.945215] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 111.947115] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 111.948110] Modules linked in: [ 111.948524] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 111.949593] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 111.950574] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 111.951201] 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 [ 111.953239] RSP: 0018:ffff88801eeafbf0 EFLAGS: 00010286 [ 111.953864] RAX: 0000000000000000 RBX: ffff888015a5ec40 RCX: 0000000000000000 [ 111.954707] RDX: ffff88801a080000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 111.955544] RBP: ffff888015a5ec54 R08: 0000000000000001 R09: 0000000000000000 [ 111.956381] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 111.957211] R13: ffffffff84e223a0 R14: ffff888015a5ec48 R15: ffffffff84daf020 [ 111.958044] FS: 00005555566ef400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 111.958984] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.959698] CR2: 00007fbf696ab6f4 CR3: 000000001a54c000 CR4: 0000000000350ef0 [ 111.960601] Call Trace: [ 111.960924] [ 111.961257] nf_ct_net_init+0x224/0x3d0 [ 111.961779] ? __pfx_nf_ct_net_init+0x10/0x10 [ 111.962383] ops_init+0xbb/0x6b0 [ 111.962873] setup_net+0x3d9/0x990 [ 111.963354] ? down_read_killable+0x1d7/0x4e0 [ 111.963921] ? __pfx_setup_net+0x10/0x10 [ 111.964454] ? copy_net_ns+0x17c/0x770 [ 111.964957] copy_net_ns+0x321/0x770 [ 111.965460] create_new_namespaces+0x3f6/0xb30 [ 111.966053] unshare_nsproxy_namespaces+0xc1/0x200 [ 111.966685] ksys_unshare+0x44d/0x8e0 [ 111.967209] ? __pfx_ksys_unshare+0x10/0x10 [ 111.967757] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 111.968491] __x64_sys_unshare+0x31/0x40 [ 111.969006] do_syscall_64+0x3f/0x90 [ 111.969509] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 111.970203] RIP: 0033:0x7fa57faa90d7 [ 111.970669] 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 [ 111.972814] RSP: 002b:00007fff50e60df8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 111.973769] RAX: ffffffffffffffda RBX: 00007fff50e61438 RCX: 00007fa57faa90d7 [ 111.974669] RDX: 00007fa57fb1341f RSI: 00007fff50e60d90 RDI: 0000000040000000 [ 111.975563] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff50e60ba0 [ 111.976445] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fa57fbbbbf0 [ 111.977342] R13: 00007fff50e60ed0 R14: 0000000000000000 R15: 00000000000000f8 [ 111.978269] [ 111.978562] irq event stamp: 11129 [ 111.978982] hardirqs last enabled at (11139): [] __up_console_sem+0x78/0x80 [ 111.980031] hardirqs last disabled at (11150): [] __up_console_sem+0x5d/0x80 [ 111.981084] softirqs last enabled at (10704): [] irq_exit_rcu+0x93/0xc0 [ 111.982126] softirqs last disabled at (10697): [] irq_exit_rcu+0x93/0xc0 [ 111.983135] ---[ end trace 0000000000000000 ]--- [ 113.534895] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 115.582250] Bluetooth: hci0: command 0x041b tx timeout [ 117.630265] Bluetooth: hci0: command 0x040f tx timeout executing program [ 119.678246] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 00:46:18 Registers: info registers vcpu 0 RAX=0000000000000028 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801eeaf618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000028 R11=0000000000000001 R12=0000000000000028 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 00005555566ef400 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=00007fbf696ab6f4 CR3=000000001a54c000 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=0000000000079b1d 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=00007f68649be590 CR3=0000000015abc000 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=4b7651a0431cb196a541361b19abe6ef XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d35f14e95510c1f600000000000cb558 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=d30cbfebe313e2b400000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00200000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000