syzkaller login: [ 37.209938] sshd (226) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:58710' (ECDSA) to the list of known hosts. 2023/05/16 19:36:52 fuzzer started 2023/05/16 19:36:53 dialing manager at localhost:35573 2023/05/16 19:36:53 checking machine... 2023/05/16 19:36:53 checking revisions... [ 38.495549] kmemleak: Automatic memory scanning thread ended 2023/05/16 19:36:53 testing simple program... [ 38.560667] cgroup: Unknown subsys name 'net' [ 38.642406] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.843826] audit: type=1400 audit(1684265826.625:6): 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 [ 52.954757] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.956971] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.958981] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.967700] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.969115] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.971806] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 53.359961] ------------[ cut here ]------------ [ 53.360726] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.362582] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.363694] Modules linked in: [ 53.364107] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.368596] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.369629] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.370310] 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 [ 53.372482] RSP: 0018:ffff88801467fc00 EFLAGS: 00010282 [ 53.373141] RAX: 0000000000000000 RBX: ffff888015cca840 RCX: 0000000000000000 [ 53.374075] RDX: ffff888015be51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.374991] RBP: ffff888015cca854 R08: 0000000000000001 R09: 0000000000000000 [ 53.375897] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.376806] R13: ffffffff84e223a0 R14: ffff888015cca848 R15: ffffffff84d73340 [ 53.377741] FS: 0000555555de8400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.378747] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.379505] CR2: 00007f75a677c6f4 CR3: 000000000d948000 CR4: 0000000000350ee0 [ 53.380392] Call Trace: [ 53.380717] [ 53.381011] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.381670] ipv4_frags_init_net+0x269/0x440 [ 53.382226] ops_init+0xbb/0x6b0 [ 53.382702] setup_net+0x3d9/0x990 [ 53.383157] ? down_read_killable+0x1d7/0x4e0 [ 53.383754] ? __pfx_setup_net+0x10/0x10 [ 53.384298] ? copy_net_ns+0x17c/0x770 [ 53.384811] copy_net_ns+0x321/0x770 [ 53.385346] create_new_namespaces+0x3f6/0xb30 [ 53.385935] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.386589] ksys_unshare+0x44d/0x8e0 [ 53.387075] ? __pfx_ksys_unshare+0x10/0x10 [ 53.387649] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.388392] __x64_sys_unshare+0x31/0x40 [ 53.388909] do_syscall_64+0x3f/0x90 [ 53.389422] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.390071] RIP: 0033:0x7f70358f60d7 [ 53.390569] 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 [ 53.392720] RSP: 002b:00007fff57968cb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.393691] RAX: ffffffffffffffda RBX: 00007fff579692f8 RCX: 00007f70358f60d7 [ 53.394586] RDX: 00007f703596041f RSI: 00007fff57968c50 RDI: 0000000040000000 [ 53.395487] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff57968a60 [ 53.396374] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7035a08bf0 [ 53.397229] R13: 00007fff57968d90 R14: 0000000000000000 R15: 00000000000000f8 [ 53.398169] [ 53.398511] irq event stamp: 9039 [ 53.398939] hardirqs last enabled at (9049): [] __up_console_sem+0x78/0x80 [ 53.400002] hardirqs last disabled at (9060): [] __up_console_sem+0x5d/0x80 [ 53.401078] softirqs last enabled at (8520): [] irq_exit_rcu+0x93/0xc0 [ 53.402123] softirqs last disabled at (8489): [] irq_exit_rcu+0x93/0xc0 [ 53.403156] ---[ end trace 0000000000000000 ]--- [ 53.408804] ------------[ cut here ]------------ [ 53.409436] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.411140] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.412251] Modules linked in: [ 53.412658] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.413825] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.414846] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.415532] 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 [ 53.417741] RSP: 0018:ffff88801467fc00 EFLAGS: 00010282 [ 53.418429] RAX: 0000000000000000 RBX: ffff8880095bf240 RCX: 0000000000000000 [ 53.419315] RDX: ffff888015be51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.420164] RBP: ffff8880095bf254 R08: 0000000000000001 R09: 0000000000000000 [ 53.421064] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.421971] R13: ffffffff84e223a0 R14: ffff8880095bf248 R15: ffffffff84da62e0 [ 53.422888] FS: 0000555555de8400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.423878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.424620] CR2: 00007f75a677c6f4 CR3: 000000000d948000 CR4: 0000000000350ee0 [ 53.425535] Call Trace: [ 53.425861] [ 53.426156] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.426815] ipv6_frags_init_net+0x206/0x3c0 [ 53.427417] ops_init+0xbb/0x6b0 [ 53.427861] setup_net+0x3d9/0x990 [ 53.428357] ? down_read_killable+0x1d7/0x4e0 [ 53.428921] ? __pfx_setup_net+0x10/0x10 [ 53.429469] ? copy_net_ns+0x17c/0x770 [ 53.429973] copy_net_ns+0x321/0x770 [ 53.430485] create_new_namespaces+0x3f6/0xb30 [ 53.431078] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.431731] ksys_unshare+0x44d/0x8e0 [ 53.432265] ? __pfx_ksys_unshare+0x10/0x10 [ 53.432811] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.433589] __x64_sys_unshare+0x31/0x40 [ 53.434112] do_syscall_64+0x3f/0x90 [ 53.434621] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.435299] RIP: 0033:0x7f70358f60d7 [ 53.435761] 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 [ 53.437948] RSP: 002b:00007fff57968cb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.438906] RAX: ffffffffffffffda RBX: 00007fff579692f8 RCX: 00007f70358f60d7 [ 53.439812] RDX: 00007f703596041f RSI: 00007fff57968c50 RDI: 0000000040000000 [ 53.440705] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff57968a60 [ 53.441629] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7035a08bf0 [ 53.442515] R13: 00007fff57968d90 R14: 0000000000000000 R15: 00000000000000f8 [ 53.443428] [ 53.443729] irq event stamp: 10703 [ 53.444159] hardirqs last enabled at (10713): [] __up_console_sem+0x78/0x80 [ 53.445271] hardirqs last disabled at (10726): [] sysvec_apic_timer_interrupt+0xf/0x90 [ 53.446476] softirqs last enabled at (10198): [] irq_exit_rcu+0x93/0xc0 [ 53.447523] softirqs last disabled at (10171): [] irq_exit_rcu+0x93/0xc0 [ 53.448558] ---[ end trace 0000000000000000 ]--- [ 53.449912] ------------[ cut here ]------------ [ 53.450526] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.452491] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.453555] Modules linked in: [ 53.453961] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.455131] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.456148] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.456816] 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 [ 53.459001] RSP: 0018:ffff88801467fbf0 EFLAGS: 00010286 [ 53.459689] RAX: 0000000000000000 RBX: ffff8880095bea40 RCX: 0000000000000000 [ 53.460574] RDX: ffff888015be51c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.461476] RBP: ffff8880095bea54 R08: 0000000000000001 R09: 0000000000000000 [ 53.462359] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.463213] R13: ffffffff84e223a0 R14: ffff8880095bea48 R15: ffffffff84daf020 [ 53.464104] FS: 0000555555de8400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.465110] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.465878] CR2: 00007f75a677c6f4 CR3: 000000000d948000 CR4: 0000000000350ee0 [ 53.466790] Call Trace: [ 53.467122] [ 53.467454] nf_ct_net_init+0x224/0x3d0 [ 53.467966] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.468583] ops_init+0xbb/0x6b0 [ 53.469024] setup_net+0x3d9/0x990 [ 53.469520] ? down_read_killable+0x1d7/0x4e0 [ 53.470084] ? __pfx_setup_net+0x10/0x10 [ 53.470634] ? copy_net_ns+0x17c/0x770 [ 53.471137] copy_net_ns+0x321/0x770 [ 53.471660] create_new_namespaces+0x3f6/0xb30 [ 53.472285] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.472896] ksys_unshare+0x44d/0x8e0 [ 53.473458] ? __pfx_ksys_unshare+0x10/0x10 [ 53.474004] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.474759] __x64_sys_unshare+0x31/0x40 [ 53.475308] do_syscall_64+0x3f/0x90 [ 53.475783] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.476464] RIP: 0033:0x7f70358f60d7 [ 53.476926] 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 [ 53.479101] RSP: 002b:00007fff57968cb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.480052] RAX: ffffffffffffffda RBX: 00007fff579692f8 RCX: 00007f70358f60d7 [ 53.480946] RDX: 00007f703596041f RSI: 00007fff57968c50 RDI: 0000000040000000 [ 53.481867] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff57968a60 [ 53.482764] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f7035a08bf0 [ 53.483658] R13: 00007fff57968d90 R14: 0000000000000000 R15: 00000000000000f8 [ 53.484583] [ 53.484886] irq event stamp: 11481 [ 53.485364] hardirqs last enabled at (11493): [] __up_console_sem+0x78/0x80 [ 53.486432] hardirqs last disabled at (11504): [] __up_console_sem+0x5d/0x80 [ 53.487521] softirqs last enabled at (11254): [] irq_exit_rcu+0x93/0xc0 [ 53.488568] softirqs last disabled at (11249): [] irq_exit_rcu+0x93/0xc0 [ 53.489615] ---[ end trace 0000000000000000 ]--- [ 55.033878] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 57.081348] Bluetooth: hci0: command 0x041b tx timeout [ 59.129338] Bluetooth: hci0: command 0x040f tx timeout executing program [ 61.177316] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 19:37:03 Registers: info registers vcpu 0 RAX=000000000001d6a9 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=00007f84d097ed20 CR3=000000000d02a000 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=2038303a37333a39312036312079614d XMM01=5d3730313436332e33352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d37 XMM07=6e72656b2072656c6c616b7a79732038 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000030 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801467f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000030 R11=0000000000000001 R12=0000000000000030 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 0000555555de8400 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=00007f75a677c6f4 CR3=000000000d948000 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