Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:23005' (ECDSA) to the list of known hosts. 2023/05/18 05:06:18 fuzzer started 2023/05/18 05:06:19 dialing manager at localhost:44319 2023/05/18 05:06:19 checking machine... 2023/05/18 05:06:19 checking revisions... syzkaller login: [ 30.414772] kmemleak: Automatic memory scanning thread ended 2023/05/18 05:06:19 testing simple program... [ 30.472109] cgroup: Unknown subsys name 'net' [ 30.587019] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 44.382709] audit: type=1400 audit(1684386393.318:6): 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 executing program [ 45.495945] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 45.498735] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 45.500556] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 45.504906] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 45.506493] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 45.509090] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 45.891682] ------------[ cut here ]------------ [ 45.892469] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 45.894461] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.895566] Modules linked in: [ 45.895997] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 45.897803] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.899817] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.901023] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 45.903173] RSP: 0018:ffff888019ea7c00 EFLAGS: 00010282 [ 45.903868] RAX: 0000000000000000 RBX: ffff88800d03f440 RCX: 0000000000000000 [ 45.904751] RDX: ffff888018188000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 45.905652] RBP: ffff88800d03f454 R08: 0000000000000001 R09: 0000000000000000 [ 45.906556] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 45.907437] R13: ffffffff84e23fe0 R14: ffff88800d03f448 R15: ffffffff84d74dc0 [ 45.908300] FS: 0000555555b93400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 45.909297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.910031] CR2: 00007f68d28e26f4 CR3: 000000002017a000 CR4: 0000000000350ee0 [ 45.910949] Call Trace: [ 45.911281] [ 45.911608] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 45.912221] ipv4_frags_init_net+0x269/0x440 [ 45.912811] ops_init+0xbb/0x6b0 [ 45.913262] setup_net+0x3d9/0x990 [ 45.913750] ? down_read_killable+0x1d7/0x4e0 [ 45.914342] ? __pfx_setup_net+0x10/0x10 [ 45.914881] ? copy_net_ns+0x17c/0x770 [ 45.915429] copy_net_ns+0x321/0x770 [ 45.915906] create_new_namespaces+0x3f6/0xb30 [ 45.916530] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.917146] ksys_unshare+0x44d/0x8e0 [ 45.917668] ? __pfx_ksys_unshare+0x10/0x10 [ 45.918204] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.918952] __x64_sys_unshare+0x31/0x40 [ 45.919503] do_syscall_64+0x3f/0x90 [ 45.919972] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.920641] RIP: 0033:0x7f208fb090d7 [ 45.921100] 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 [ 45.923315] RSP: 002b:00007ffd05e10488 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 45.924260] RAX: ffffffffffffffda RBX: 00007ffd05e10ac8 RCX: 00007f208fb090d7 [ 45.925148] RDX: 00007f208fb7341f RSI: 00007ffd05e10420 RDI: 0000000040000000 [ 45.926033] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd05e10230 [ 45.926936] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f208fc1bbf0 [ 45.927824] R13: 00007ffd05e10560 R14: 0000000000000000 R15: 00000000000000f8 [ 45.928737] [ 45.929038] irq event stamp: 8227 [ 45.929501] hardirqs last enabled at (8239): [] __up_console_sem+0x78/0x80 [ 45.930551] hardirqs last disabled at (8250): [] __up_console_sem+0x5d/0x80 [ 45.931623] softirqs last enabled at (7708): [] irq_exit_rcu+0x93/0xc0 [ 45.932663] softirqs last disabled at (7703): [] irq_exit_rcu+0x93/0xc0 [ 45.933712] ---[ end trace 0000000000000000 ]--- [ 45.939132] ------------[ cut here ]------------ [ 45.939747] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 45.941393] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.942487] Modules linked in: [ 45.942895] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 45.943988] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.944956] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.945604] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 45.947686] RSP: 0018:ffff888019ea7c00 EFLAGS: 00010282 [ 45.948306] RAX: 0000000000000000 RBX: ffff888008eefa40 RCX: 0000000000000000 [ 45.949149] RDX: ffff888018188000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 45.949987] RBP: ffff888008eefa54 R08: 0000000000000001 R09: 0000000000000000 [ 45.950845] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.951732] R13: ffffffff84e23fe0 R14: ffff888008eefa48 R15: ffffffff84da7d60 [ 45.952632] FS: 0000555555b93400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 45.953634] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.954348] CR2: 00007f68d28e26f4 CR3: 000000002017a000 CR4: 0000000000350ee0 [ 45.955250] Call Trace: [ 45.955617] [ 45.955910] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 45.956556] ipv6_frags_init_net+0x206/0x3c0 [ 45.957117] ops_init+0xbb/0x6b0 [ 45.957606] setup_net+0x3d9/0x990 [ 45.958064] ? down_read_killable+0x1d7/0x4e0 [ 45.958691] ? __pfx_setup_net+0x10/0x10 [ 45.959207] ? copy_net_ns+0x17c/0x770 [ 45.959749] copy_net_ns+0x321/0x770 [ 45.960230] create_new_namespaces+0x3f6/0xb30 [ 45.960846] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.961502] ksys_unshare+0x44d/0x8e0 [ 45.961989] ? __pfx_ksys_unshare+0x10/0x10 [ 45.962587] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.963320] __x64_sys_unshare+0x31/0x40 [ 45.963883] do_syscall_64+0x3f/0x90 [ 45.964368] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.965070] RIP: 0033:0x7f208fb090d7 [ 45.965586] 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 [ 45.967852] RSP: 002b:00007ffd05e10488 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 45.968833] RAX: ffffffffffffffda RBX: 00007ffd05e10ac8 RCX: 00007f208fb090d7 [ 45.969760] RDX: 00007f208fb7341f RSI: 00007ffd05e10420 RDI: 0000000040000000 [ 45.970692] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd05e10230 [ 45.971611] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f208fc1bbf0 [ 45.972537] R13: 00007ffd05e10560 R14: 0000000000000000 R15: 00000000000000f8 [ 45.973463] [ 45.973768] irq event stamp: 10075 [ 45.974205] hardirqs last enabled at (10085): [] __up_console_sem+0x78/0x80 [ 45.975323] hardirqs last disabled at (10096): [] __up_console_sem+0x5d/0x80 [ 45.976425] softirqs last enabled at (9648): [] irq_exit_rcu+0x93/0xc0 [ 45.977471] softirqs last disabled at (9643): [] irq_exit_rcu+0x93/0xc0 [ 45.978546] ---[ end trace 0000000000000000 ]--- [ 45.980040] ------------[ cut here ]------------ [ 45.980693] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 45.982843] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.983931] Modules linked in: [ 45.984346] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 45.985533] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.986595] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.987265] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 45.989467] RSP: 0018:ffff888019ea7bf0 EFLAGS: 00010286 [ 45.990136] RAX: 0000000000000000 RBX: ffff888008eef440 RCX: 0000000000000000 [ 45.991067] RDX: ffff888018188000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 45.991986] RBP: ffff888008eef454 R08: 0000000000000001 R09: 0000000000000000 [ 45.992897] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 45.993801] R13: ffffffff84e23fe0 R14: ffff888008eef448 R15: ffffffff84db0aa0 [ 45.994737] FS: 0000555555b93400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 45.995736] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.996507] CR2: 00007f68d28e26f4 CR3: 000000002017a000 CR4: 0000000000350ee0 [ 45.997429] Call Trace: [ 45.997762] [ 45.998067] nf_ct_net_init+0x224/0x3d0 [ 45.998636] ? __pfx_nf_ct_net_init+0x10/0x10 [ 45.999233] ops_init+0xbb/0x6b0 [ 45.999721] setup_net+0x3d9/0x990 [ 46.000187] ? down_read_killable+0x1d7/0x4e0 [ 46.000803] ? __pfx_setup_net+0x10/0x10 [ 46.001316] ? copy_net_ns+0x17c/0x770 [ 46.001865] copy_net_ns+0x321/0x770 [ 46.002386] create_new_namespaces+0x3f6/0xb30 [ 46.003011] unshare_nsproxy_namespaces+0xc1/0x200 [ 46.003663] ksys_unshare+0x44d/0x8e0 [ 46.004157] ? __pfx_ksys_unshare+0x10/0x10 [ 46.004748] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 46.005495] __x64_sys_unshare+0x31/0x40 [ 46.006026] do_syscall_64+0x3f/0x90 [ 46.006560] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 46.007217] RIP: 0033:0x7f208fb090d7 [ 46.007723] 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 [ 46.009895] RSP: 002b:00007ffd05e10488 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 46.010879] RAX: ffffffffffffffda RBX: 00007ffd05e10ac8 RCX: 00007f208fb090d7 [ 46.011777] RDX: 00007f208fb7341f RSI: 00007ffd05e10420 RDI: 0000000040000000 [ 46.012681] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd05e10230 [ 46.013586] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f208fc1bbf0 [ 46.014516] R13: 00007ffd05e10560 R14: 0000000000000000 R15: 00000000000000f8 [ 46.015433] [ 46.015748] irq event stamp: 10889 [ 46.016182] hardirqs last enabled at (10899): [] __up_console_sem+0x78/0x80 [ 46.017266] hardirqs last disabled at (10910): [] __up_console_sem+0x5d/0x80 [ 46.018360] softirqs last enabled at (10814): [] irq_exit_rcu+0x93/0xc0 [ 46.019442] softirqs last disabled at (10809): [] irq_exit_rcu+0x93/0xc0 [ 46.020491] ---[ end trace 0000000000000000 ]--- [ 47.578926] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 49.627764] Bluetooth: hci0: command 0x041b tx timeout executing program [ 51.674469] Bluetooth: hci0: command 0x040f tx timeout [ 53.722488] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 05:06:34 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000001 RCX=0000000000000000 RDX=ffff888016f3d1c0 RSI=ffff888019a96570 RDI=ffff88801ba2bd10 RBP=ffff888019a96570 RSP=ffff88800eef78d0 R8 =0000000000000007 R9 =0000000000000fff R10=ffff88801ba2bd10 R11=0000000000000001 R12=ffff88801ba2bd10 R13=ffff888010038000 R14=ffff888010038000 R15=ffff8880089489a0 RIP=ffffffff81c6b394 RFL=00000293 [--S-A-C] 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 00007f543cf72700 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=00007f54340370b8 CR3=000000000d348000 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=2034333a36303a35302038312079614d XMM01=5d3330383739382e35342020205b203a XMM02=435020647261646e61745320554d4551 XMM03=312e3120534f4942202c293639393120 XMM04=32312e3120534f4942202c2936393931 XMM05=20435020647261646e61745320554d45 XMM06=205d3330383739382e35342020205b20 XMM07=732034333a36303a3530203831207961 XMM08=7475636578652d7a7973223d6d6d6f63 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=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888019ea75e0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000065 R11=0000000000000001 R12=0000000000000065 R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd 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 0000555555b93400 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=00007f68d28e26f4 CR3=000000002017a000 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