syzkaller login: [ 39.166639] ------------[ cut here ]------------ [ 39.167349] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.168966] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.171264] Modules linked in: [ 39.171856] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.173467] Tainted: [W]=WARN [ 39.173954] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.175140] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.175874] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 39.178418] RSP: 0018:ffff888018ec7bc0 EFLAGS: 00010286 [ 39.179205] RAX: 0000000000000000 RBX: ffffed10031d8f78 RCX: ffffffff813a4050 [ 39.180234] RDX: ffff88801c62b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.181262] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10031d8f2f [ 39.182296] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.183330] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018ec7df8 [ 39.184359] FS: 00007fcede2ef900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.185509] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.186372] CR2: 00007ffece841ef8 CR3: 000000000e51a000 CR4: 0000000000350ef0 [ 39.187412] Call Trace: [ 39.187818] [ 39.188155] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.188886] ? __create_object+0x59/0x80 [ 39.189473] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.190267] __vmalloc_noprof+0x59/0x60 [ 39.190868] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.191527] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.192273] bpf_prog_alloc+0x39/0x200 [ 39.192863] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.193601] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.194291] do_seccomp+0x349/0x25e0 [ 39.194868] ? find_held_lock+0x2b/0x80 [ 39.195437] ? do_prlimit+0x310/0x610 [ 39.196041] ? __pfx_do_seccomp+0x10/0x10 [ 39.196664] ? do_raw_spin_unlock+0x53/0x220 [ 39.197291] ? _raw_spin_unlock+0x1e/0x40 [ 39.197923] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.198692] ? static_key_count+0x60/0x80 [ 39.199297] prctl_set_seccomp+0x4e/0x70 [ 39.199922] __do_sys_prctl+0xe6c/0x1d70 [ 39.200509] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.201191] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.201979] ? irqentry_exit+0xf3/0x650 [ 39.202584] do_syscall_64+0xbf/0x430 [ 39.203144] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.203897] RIP: 0033:0x7fcede7e15cd [ 39.204421] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 39.206968] RSP: 002b:00007ffece840770 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.208061] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcede7e15cd [ 39.209104] RDX: 0000560b2abc0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.210147] RBP: 00007ffece8407d0 R08: 0000000000000000 R09: 00007ffece83fe70 [ 39.211178] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560b3679abf0 [ 39.212205] R13: 00007ffece840c00 R14: 0000560b367a4380 R15: 0000560b367af460 [ 39.213257] [ 39.213626] irq event stamp: 2119 [ 39.214120] hardirqs last enabled at (2127): [] __up_console_sem+0x78/0x80 [ 39.215327] hardirqs last disabled at (2136): [] __up_console_sem+0x5d/0x80 [ 39.216575] softirqs last enabled at (1634): [] handle_softirqs+0x50c/0x770 [ 39.217804] softirqs last disabled at (1611): [] __irq_exit_rcu+0xc4/0x100 [ 39.219027] ---[ end trace 0000000000000000 ]--- [ 41.931248] ------------[ cut here ]------------ [ 41.931681] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.932510] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 41.933138] Modules linked in: [ 41.933397] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.934426] Tainted: [W]=WARN [ 41.934691] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.935303] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.935699] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 41.937049] RSP: 0018:ffff888018f67bc0 EFLAGS: 00010286 [ 41.937447] RAX: 0000000000000000 RBX: ffffed10031ecf78 RCX: ffffffff813a4050 [ 41.938000] RDX: ffff888016199bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.938526] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100d9c4849 [ 41.939072] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.939615] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018f67df8 [ 41.940140] FS: 00007fea4ee8a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.940755] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.941187] CR2: 00007fff06a4def8 CR3: 00000000204aa000 CR4: 0000000000350ef0 [ 41.941739] Call Trace: [ 41.941944] [ 41.942119] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.942481] ? __create_object+0x59/0x80 [ 41.942823] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.943219] __vmalloc_noprof+0x59/0x60 [ 41.943521] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.943899] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.944278] bpf_prog_alloc+0x39/0x200 [ 41.944597] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.944974] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.945337] do_seccomp+0x349/0x25e0 [ 41.945648] ? find_held_lock+0x2b/0x80 [ 41.945966] ? do_prlimit+0x310/0x610 [ 41.946263] ? __pfx_do_seccomp+0x10/0x10 [ 41.946597] ? do_raw_spin_unlock+0x53/0x220 [ 41.946932] ? _raw_spin_unlock+0x1e/0x40 [ 41.947244] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.947660] ? static_key_count+0x60/0x80 [ 41.947987] prctl_set_seccomp+0x4e/0x70 [ 41.948297] __do_sys_prctl+0xe6c/0x1d70 [ 41.948631] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.948975] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.949365] ? irqentry_exit+0xf3/0x650 [ 41.949690] do_syscall_64+0xbf/0x430 [ 41.949992] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.950376] RIP: 0033:0x7fea4f37c5cd [ 41.950683] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 41.952031] RSP: 002b:00007fff06a4ce30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.952616] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fea4f37c5cd [ 41.953139] RDX: 000055b451450e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.953687] RBP: 00007fff06a4ce90 R08: 0000000000000000 R09: 00007fff06a4c530 [ 41.954218] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b4653a82b0 [ 41.954770] R13: 00007fff06a4d2c0 R14: 000055b4653aad20 R15: 000055b4653bc8d0 [ 41.955304] [ 41.955484] irq event stamp: 2171 [ 41.955767] hardirqs last enabled at (2181): [] __up_console_sem+0x78/0x80 [ 41.956393] hardirqs last disabled at (2188): [] __up_console_sem+0x5d/0x80 [ 41.957040] softirqs last enabled at (1758): [] handle_softirqs+0x50c/0x770 [ 41.957701] softirqs last disabled at (1749): [] __irq_exit_rcu+0xc4/0x100 [ 41.958328] ---[ end trace 0000000000000000 ]--- [ 42.639842] ------------[ cut here ]------------ [ 42.640757] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.642762] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.644204] Modules linked in: [ 42.644824] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.646875] Tainted: [W]=WARN [ 42.647439] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.649326] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.650337] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 42.653579] RSP: 0018:ffff8880170d7bc0 EFLAGS: 00010286 [ 42.654537] RAX: 0000000000000000 RBX: ffffed1002e1af78 RCX: ffffffff813a4050 [ 42.655871] RDX: ffff888016053780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.657170] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e1af2f [ 42.658480] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.659783] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880170d7df8 [ 42.661091] FS: 00007f6b5cbfd900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.662572] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.663647] CR2: 00007ffd90869ef8 CR3: 000000001fff7000 CR4: 0000000000350ef0 [ 42.664947] Call Trace: [ 42.665421] [ 42.665882] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.666811] ? __create_object+0x59/0x80 [ 42.667614] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.668595] __vmalloc_noprof+0x59/0x60 [ 42.669319] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.670213] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.671159] bpf_prog_alloc+0x39/0x200 [ 42.671906] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.672895] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.673821] do_seccomp+0x349/0x25e0 [ 42.674517] ? find_held_lock+0x2b/0x80 [ 42.675293] ? do_prlimit+0x310/0x610 [ 42.676047] ? __pfx_do_seccomp+0x10/0x10 [ 42.676853] ? do_raw_spin_unlock+0x53/0x220 [ 42.677698] ? _raw_spin_unlock+0x1e/0x40 [ 42.678457] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.679435] ? static_key_count+0x60/0x80 [ 42.680248] prctl_set_seccomp+0x4e/0x70 [ 42.681035] __do_sys_prctl+0xe6c/0x1d70 [ 42.681828] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.682715] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.683702] ? irqentry_exit+0xf3/0x650 [ 42.684430] do_syscall_64+0xbf/0x430 [ 42.685178] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.686157] RIP: 0033:0x7f6b5d0ef5cd [ 42.686874] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.690113] RSP: 002b:00007ffd90868200 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.691497] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6b5d0ef5cd [ 42.692802] RDX: 00005576548eee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.694112] RBP: 00007ffd90868260 R08: 0000000000000000 R09: 00007ffd90867900 [ 42.695417] R10: 0000000000000000 R11: 0000000000000246 R12: 000055765fa4cbf0 [ 42.696726] R13: 00007ffd90868690 R14: 000055765fa56380 R15: 000055765fa61460 [ 42.698060] [ 42.698500] irq event stamp: 1789 [ 42.699160] hardirqs last enabled at (1799): [] __up_console_sem+0x78/0x80 [ 42.700708] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 42.702264] softirqs last enabled at (1768): [] handle_softirqs+0x50c/0x770 [ 42.703828] softirqs last disabled at (1763): [] __irq_exit_rcu+0xc4/0x100 [ 42.705362] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:47809' (ECDSA) to the list of known hosts. 2025/11/18 09:06:34 fuzzer started 2025/11/18 09:06:34 dialing manager at localhost:34383 2025/11/18 09:06:34 checking machine... 2025/11/18 09:06:34 checking revisions... [ 43.520158] kmemleak: Automatic memory scanning thread ended 2025/11/18 09:06:34 testing simple program... [ 43.582873] cgroup: Unknown subsys name 'net' [ 43.628609] cgroup: Unknown subsys name 'cpuset' [ 43.635727] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 52.513452] audit: type=1400 audit(1763456803.391:7): avc: denied { execmem } for pid=276 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 VM DIAGNOSIS: 09:06:33 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000004010 RCX=ffffffff81a848bf RDX=ffff888016198000 RSI=00007ffffffff000 RDI=00007fea4ee50000 RBP=00007ffffffff000 RSP=ffff888017947da8 R8 =0000000000000000 R9 =ffffed1002c33000 R10=0000000000000000 R11=0000000000000001 R12=00007fea4ee50000 R13=ffff888017947e40 R14=ffff888016ef3480 R15=0000000000000001 RIP=ffffffff81751894 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 00007fea4ee8a900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fea4ee54008 CR3=000000002042d000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000022c01 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f5b16985030 CR3=000000000b99f000 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=36303a393020383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343939 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000