Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:57037' (ECDSA) to the list of known hosts. 2023/05/17 03:26:28 fuzzer started 2023/05/17 03:26:28 dialing manager at localhost:35573 2023/05/17 03:26:28 checking machine... 2023/05/17 03:26:28 checking revisions... syzkaller login: [ 40.034967] kmemleak: Automatic memory scanning thread ended 2023/05/17 03:26:28 testing simple program... [ 40.100227] cgroup: Unknown subsys name 'net' [ 40.178773] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 52.019442] audit: type=1400 audit(1684294000.936:6): 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 [ 53.138924] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.140931] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.143877] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.147590] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.149115] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.151089] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.547995] ------------[ cut here ]------------ [ 53.548703] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.550656] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.551733] Modules linked in: [ 53.552256] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.557246] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.558273] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.558931] 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 [ 53.561168] RSP: 0018:ffff88801f4b7c00 EFLAGS: 00010282 [ 53.561820] RAX: 0000000000000000 RBX: ffff88800f27cc40 RCX: 0000000000000000 [ 53.562726] RDX: ffff888016dd1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.563600] RBP: ffff88800f27cc54 R08: 0000000000000001 R09: 0000000000000000 [ 53.564484] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.565372] R13: ffffffff84e223a0 R14: ffff88800f27cc48 R15: ffffffff84d73340 [ 53.566287] FS: 0000555556f7a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.567286] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.567985] CR2: 00007f4df8a5b6f4 CR3: 000000000e558000 CR4: 0000000000350ee0 [ 53.568867] Call Trace: [ 53.569223] [ 53.569526] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.570173] ipv4_frags_init_net+0x269/0x440 [ 53.570725] ops_init+0xbb/0x6b0 [ 53.571193] setup_net+0x3d9/0x990 [ 53.571643] ? down_read_killable+0x1d7/0x4e0 [ 53.572237] ? __pfx_setup_net+0x10/0x10 [ 53.572745] ? copy_net_ns+0x17c/0x770 [ 53.573277] copy_net_ns+0x321/0x770 [ 53.573812] create_new_namespaces+0x3f6/0xb30 [ 53.574518] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.575241] ksys_unshare+0x44d/0x8e0 [ 53.575790] ? __pfx_ksys_unshare+0x10/0x10 [ 53.576431] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.577261] __x64_sys_unshare+0x31/0x40 [ 53.577846] do_syscall_64+0x3f/0x90 [ 53.578419] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.579170] RIP: 0033:0x7f4aeb03f0d7 [ 53.579689] 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 [ 53.582120] RSP: 002b:00007fff1537e6c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.583245] RAX: ffffffffffffffda RBX: 00007fff1537ed08 RCX: 00007f4aeb03f0d7 [ 53.584283] RDX: 00007f4aeb0a941f RSI: 00007fff1537e660 RDI: 0000000040000000 [ 53.585314] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff1537e470 [ 53.586381] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4aeb151bf0 [ 53.587415] R13: 00007fff1537e7a0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.588483] [ 53.588831] irq event stamp: 7617 [ 53.589362] hardirqs last enabled at (7629): [] __up_console_sem+0x78/0x80 [ 53.590598] hardirqs last disabled at (7640): [] __up_console_sem+0x5d/0x80 [ 53.591827] softirqs last enabled at (7104): [] irq_exit_rcu+0x93/0xc0 [ 53.593032] softirqs last disabled at (7063): [] irq_exit_rcu+0x93/0xc0 [ 53.594259] ---[ end trace 0000000000000000 ]--- [ 53.600537] ------------[ cut here ]------------ [ 53.601287] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.602960] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.604098] Modules linked in: [ 53.604525] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.605602] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.606556] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.607179] 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 [ 53.609216] RSP: 0018:ffff88801f4b7c00 EFLAGS: 00010282 [ 53.609969] RAX: 0000000000000000 RBX: ffff888008d07840 RCX: 0000000000000000 [ 53.610995] RDX: ffff888016dd1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.612019] RBP: ffff888008d07854 R08: 0000000000000001 R09: 0000000000000000 [ 53.613054] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.614097] R13: ffffffff84e223a0 R14: ffff888008d07848 R15: ffffffff84da62e0 [ 53.615156] FS: 0000555556f7a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.616304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.617124] CR2: 00007f4df8a5b6f4 CR3: 000000000e558000 CR4: 0000000000350ee0 [ 53.618192] Call Trace: [ 53.618573] [ 53.618917] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.619666] ipv6_frags_init_net+0x206/0x3c0 [ 53.620345] ops_init+0xbb/0x6b0 [ 53.620858] setup_net+0x3d9/0x990 [ 53.621418] ? down_read_killable+0x1d7/0x4e0 [ 53.622097] ? __pfx_setup_net+0x10/0x10 [ 53.622720] ? copy_net_ns+0x17c/0x770 [ 53.623380] copy_net_ns+0x321/0x770 [ 53.623942] create_new_namespaces+0x3f6/0xb30 [ 53.624659] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.625408] ksys_unshare+0x44d/0x8e0 [ 53.625985] ? __pfx_ksys_unshare+0x10/0x10 [ 53.626662] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.627474] __x64_sys_unshare+0x31/0x40 [ 53.628047] do_syscall_64+0x3f/0x90 [ 53.628608] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.629346] RIP: 0033:0x7f4aeb03f0d7 [ 53.629864] 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 [ 53.632257] RSP: 002b:00007fff1537e6c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.633292] RAX: ffffffffffffffda RBX: 00007fff1537ed08 RCX: 00007f4aeb03f0d7 [ 53.634286] RDX: 00007f4aeb0a941f RSI: 00007fff1537e660 RDI: 0000000040000000 [ 53.635279] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff1537e470 [ 53.636278] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4aeb151bf0 [ 53.637274] R13: 00007fff1537e7a0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.638315] [ 53.638649] irq event stamp: 9541 [ 53.639108] hardirqs last enabled at (9551): [] __up_console_sem+0x78/0x80 [ 53.640298] hardirqs last disabled at (9564): [] __up_console_sem+0x5d/0x80 [ 53.641479] softirqs last enabled at (9448): [] irq_exit_rcu+0x93/0xc0 [ 53.642637] softirqs last disabled at (9439): [] irq_exit_rcu+0x93/0xc0 [ 53.643650] ---[ end trace 0000000000000000 ]--- [ 53.644969] ------------[ cut here ]------------ [ 53.645607] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.647616] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.648659] Modules linked in: [ 53.649054] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.650221] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.651215] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.651849] 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 [ 53.653973] RSP: 0018:ffff88801f4b7bf0 EFLAGS: 00010286 [ 53.654650] RAX: 0000000000000000 RBX: ffff88800de2d240 RCX: 0000000000000000 [ 53.655519] RDX: ffff888016dd1b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.656390] RBP: ffff88800de2d254 R08: 0000000000000001 R09: 0000000000000000 [ 53.657263] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.658119] R13: ffffffff84e223a0 R14: ffff88800de2d248 R15: ffffffff84daf020 [ 53.658996] FS: 0000555556f7a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.659972] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.660699] CR2: 00007f4df8a5b6f4 CR3: 000000000e558000 CR4: 0000000000350ee0 [ 53.661579] Call Trace: [ 53.661904] [ 53.662230] nf_ct_net_init+0x224/0x3d0 [ 53.662733] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.663331] ops_init+0xbb/0x6b0 [ 53.663773] setup_net+0x3d9/0x990 [ 53.664251] ? down_read_killable+0x1d7/0x4e0 [ 53.664806] ? __pfx_setup_net+0x10/0x10 [ 53.665333] ? copy_net_ns+0x17c/0x770 [ 53.665837] copy_net_ns+0x321/0x770 [ 53.666368] create_new_namespaces+0x3f6/0xb30 [ 53.666944] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.667584] ksys_unshare+0x44d/0x8e0 [ 53.668068] ? __pfx_ksys_unshare+0x10/0x10 [ 53.668635] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.669364] __x64_sys_unshare+0x31/0x40 [ 53.669867] do_syscall_64+0x3f/0x90 [ 53.670378] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.671000] RIP: 0033:0x7f4aeb03f0d7 [ 53.671487] 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 [ 53.673619] RSP: 002b:00007fff1537e6c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.674582] RAX: ffffffffffffffda RBX: 00007fff1537ed08 RCX: 00007f4aeb03f0d7 [ 53.675453] RDX: 00007f4aeb0a941f RSI: 00007fff1537e660 RDI: 0000000040000000 [ 53.676329] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff1537e470 [ 53.677191] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4aeb151bf0 [ 53.678043] R13: 00007fff1537e7a0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.678937] [ 53.679264] irq event stamp: 10319 [ 53.679691] hardirqs last enabled at (10329): [] __up_console_sem+0x78/0x80 [ 53.680727] hardirqs last disabled at (10340): [] __up_console_sem+0x5d/0x80 [ 53.681759] softirqs last enabled at (10136): [] irq_exit_rcu+0x93/0xc0 [ 53.682816] softirqs last disabled at (10131): [] irq_exit_rcu+0x93/0xc0 [ 53.683840] ---[ end trace 0000000000000000 ]--- executing program [ 55.159853] Bluetooth: hci0: command 0x0409 tx timeout [ 57.207832] Bluetooth: hci0: command 0x041b tx timeout executing program [ 59.255329] Bluetooth: hci0: command 0x040f tx timeout executing program [ 61.304231] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 03:26:38 Registers: info registers vcpu 0 RAX=000000000002fa2b 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=00007f4f298cd440 CR3=0000000019a36000 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=2032343a36323a33302037312079614d XMM01=5d3635323235352e33352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d36 XMM07=6e72656b2072656c6c616b7a79732032 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000002e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801f4b75f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002e R11=0000000000000001 R12=000000000000002e 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 0000555556f7a400 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=00007f4df8a5b6f4 CR3=000000000e558000 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