syzkaller login: [ 46.537942] ------------[ cut here ]------------ [ 46.538868] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.540878] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 46.542333] Modules linked in: [ 46.542916] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.544972] Tainted: [W]=WARN [ 46.545573] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.547075] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.547980] 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 [ 46.551173] RSP: 0018:ffff88801772fbc0 EFLAGS: 00010286 [ 46.552130] RAX: 0000000000000000 RBX: ffffed1002ee5f78 RCX: ffffffff813a4050 [ 46.553423] RDX: ffff88800f471bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.554712] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ee5f2f [ 46.556010] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.557315] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801772fdf8 [ 46.558604] FS: 00007fd0e9129900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.560059] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.561124] CR2: 00007ffccba13ef7 CR3: 000000000dc5e000 CR4: 0000000000350ef0 [ 46.562403] Call Trace: [ 46.562863] [ 46.563312] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.564214] ? __create_object+0x59/0x80 [ 46.564939] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.565891] __vmalloc_noprof+0x59/0x60 [ 46.566652] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.567522] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.568456] bpf_prog_alloc+0x39/0x200 [ 46.569186] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.570105] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.570986] do_seccomp+0x349/0x25e0 [ 46.571739] ? find_held_lock+0x2b/0x80 [ 46.572490] ? do_prlimit+0x310/0x610 [ 46.573228] ? __pfx_do_seccomp+0x10/0x10 [ 46.573965] ? do_raw_spin_unlock+0x53/0x220 [ 46.574799] ? _raw_spin_unlock+0x1e/0x40 [ 46.575565] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.576530] ? static_key_count+0x60/0x80 [ 46.577318] prctl_set_seccomp+0x4e/0x70 [ 46.578087] __do_sys_prctl+0xe6c/0x1d70 [ 46.578850] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.579701] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.580685] ? irqentry_exit+0xf3/0x650 [ 46.581451] do_syscall_64+0xbf/0x430 [ 46.582206] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.583155] RIP: 0033:0x7fd0e961b5cd [ 46.583811] 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 [ 46.586936] RSP: 002b:00007ffccba11840 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.588303] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd0e961b5cd [ 46.589589] RDX: 0000565502332e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.590888] RBP: 00007ffccba118a0 R08: 0000000000000000 R09: 00007ffccba10f40 [ 46.592164] R10: 0000000000000000 R11: 0000000000000246 R12: 0000565514bd6b10 [ 46.593432] R13: 00007ffccba11cd0 R14: 0000565514bd72b0 R15: 0000565514beb6f0 [ 46.594737] [ 46.595128] irq event stamp: 1721 [ 46.595632] hardirqs last enabled at (1729): [] __up_console_sem+0x78/0x80 [ 46.596892] hardirqs last disabled at (1738): [] __up_console_sem+0x5d/0x80 [ 46.598160] softirqs last enabled at (1678): [] handle_softirqs+0x50c/0x770 [ 46.599429] softirqs last disabled at (1673): [] __irq_exit_rcu+0xc4/0x100 [ 46.600684] ---[ end trace 0000000000000000 ]--- [ 49.696558] ------------[ cut here ]------------ [ 49.697476] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.699444] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 49.700893] Modules linked in: [ 49.701517] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.703475] Tainted: [W]=WARN [ 49.704014] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.705478] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.706391] 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 [ 49.709487] RSP: 0018:ffff888018ff7bc0 EFLAGS: 00010286 [ 49.710446] RAX: 0000000000000000 RBX: ffffed10031fef78 RCX: ffffffff813a4050 [ 49.711717] RDX: ffff888015c5b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.712991] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10031fef2f [ 49.714252] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.715506] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018ff7df8 [ 49.716755] FS: 00007f2d92e8d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.718156] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.719210] CR2: 00007f2d933f34a6 CR3: 0000000013d74000 CR4: 0000000000350ef0 [ 49.720459] Call Trace: [ 49.720911] [ 49.721362] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.722238] ? __create_object+0x59/0x80 [ 49.722968] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.723910] __vmalloc_noprof+0x59/0x60 [ 49.724637] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.725486] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.726422] bpf_prog_alloc+0x39/0x200 [ 49.727148] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.728014] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.728905] do_seccomp+0x349/0x25e0 [ 49.729618] ? find_held_lock+0x2b/0x80 [ 49.730371] ? do_prlimit+0x310/0x610 [ 49.731096] ? __pfx_do_seccomp+0x10/0x10 [ 49.731818] ? do_raw_spin_unlock+0x53/0x220 [ 49.732633] ? _raw_spin_unlock+0x1e/0x40 [ 49.733408] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.734366] ? static_key_count+0x60/0x80 [ 49.735148] prctl_set_seccomp+0x4e/0x70 [ 49.735865] __do_sys_prctl+0xe6c/0x1d70 [ 49.736628] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.737473] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.738430] ? irqentry_exit+0xf3/0x650 [ 49.739180] do_syscall_64+0xbf/0x430 [ 49.739913] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.740856] RIP: 0033:0x7f2d9337f5cd [ 49.741562] 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 [ 49.744663] RSP: 002b:00007ffd20937f70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.746002] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2d9337f5cd [ 49.747277] RDX: 0000556907874e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.748545] RBP: 00007ffd20937fd0 R08: 0000000000000000 R09: 00007ffd20937670 [ 49.749816] R10: 0000000000000000 R11: 0000000000000246 R12: 00005569378e72b0 [ 49.751090] R13: 00007ffd20938400 R14: 00005569378e9d20 R15: 00005569378fb8d0 [ 49.752362] [ 49.752774] irq event stamp: 1679 [ 49.753412] hardirqs last enabled at (1689): [] __up_console_sem+0x78/0x80 [ 49.754907] hardirqs last disabled at (1698): [] __up_console_sem+0x5d/0x80 [ 49.756410] softirqs last enabled at (1262): [] handle_softirqs+0x50c/0x770 [ 49.757915] softirqs last disabled at (1257): [] __irq_exit_rcu+0xc4/0x100 [ 49.759409] ---[ end trace 0000000000000000 ]--- [ 50.526594] ------------[ cut here ]------------ [ 50.527625] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.529877] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 50.531560] Modules linked in: [ 50.532530] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.535109] Tainted: [W]=WARN [ 50.535750] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.537453] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.538527] 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 [ 50.542085] RSP: 0018:ffff88801a83fbc0 EFLAGS: 00010286 [ 50.543109] RAX: 0000000000000000 RBX: ffffed1003507f78 RCX: ffffffff813a4050 [ 50.544389] RDX: ffff888019f35340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.545651] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003507f2f [ 50.546945] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.548205] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a83fdf8 [ 50.549473] FS: 00007fefcf7eb900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.550904] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.551965] CR2: 00007ffff8e96ef7 CR3: 000000000ca7d000 CR4: 0000000000350ef0 [ 50.553238] Call Trace: [ 50.553702] [ 50.554153] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.555018] ? __create_object+0x59/0x80 [ 50.555808] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.556767] __vmalloc_noprof+0x59/0x60 [ 50.557520] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.558410] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.559327] bpf_prog_alloc+0x39/0x200 [ 50.560022] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.560940] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.561832] do_seccomp+0x349/0x25e0 [ 50.562578] ? find_held_lock+0x2b/0x80 [ 50.563348] ? do_prlimit+0x310/0x610 [ 50.564084] ? __pfx_do_seccomp+0x10/0x10 [ 50.564812] ? do_raw_spin_unlock+0x53/0x220 [ 50.565629] ? _raw_spin_unlock+0x1e/0x40 [ 50.566495] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.567446] ? static_key_count+0x60/0x80 [ 50.568254] prctl_set_seccomp+0x4e/0x70 [ 50.568992] __do_sys_prctl+0xe6c/0x1d70 [ 50.569783] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.570661] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.571644] ? irqentry_exit+0xf3/0x650 [ 50.572417] do_syscall_64+0xbf/0x430 [ 50.573157] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.574155] RIP: 0033:0x7fefcfcdd5cd [ 50.574872] 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 [ 50.578056] RSP: 002b:00007ffff8e94c90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.579490] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fefcfcdd5cd [ 50.580786] RDX: 0000560c6a995e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.582077] RBP: 00007ffff8e94cf0 R08: 0000000000000000 R09: 00007ffff8e94390 [ 50.583377] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560c7b356ad0 [ 50.584681] R13: 00007ffff8e95120 R14: 0000560c7b357bc0 R15: 0000560c7b368780 [ 50.585998] [ 50.586494] irq event stamp: 1865 [ 50.587149] hardirqs last enabled at (1875): [] __up_console_sem+0x78/0x80 [ 50.588673] hardirqs last disabled at (1884): [] __up_console_sem+0x5d/0x80 [ 50.590197] softirqs last enabled at (1738): [] handle_softirqs+0x50c/0x770 [ 50.591678] softirqs last disabled at (1733): [] __irq_exit_rcu+0xc4/0x100 [ 50.592949] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:32598' (ECDSA) to the list of known hosts. 2025/11/19 05:51:25 fuzzer started 2025/11/19 05:51:25 dialing manager at localhost:34383 2025/11/19 05:51:25 checking machine... 2025/11/19 05:51:25 checking revisions... [ 51.496782] kmemleak: Automatic memory scanning thread ended 2025/11/19 05:51:26 testing simple program... [ 51.576632] cgroup: Unknown subsys name 'net' [ 51.631458] cgroup: Unknown subsys name 'cpuset' [ 51.648913] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 05:51:25 Registers: info registers vcpu 0 RAX=ffff88800ccbc4a0 RBX=ffff88800ccbc6f0 RCX=0000000000000000 RDX=0000000000000000 RSI=ffff888008c4b77f RDI=ffff888008c4b701 RBP=ffff888008c4b780 RSP=ffff888018f87a30 R8 =0000000000000001 R9 =ffffffff81b2e42b R10=ffffea000039dd00 R11=0000000000000001 R12=0000000000000000 R13=ffff888018f87a68 R14=ffff88800e774a68 R15=ffff88800e774a68 RIP=ffffffff81b2e408 RFL=00000246 [---Z-P-] 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 00007f2d92e8d900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd20932000 CR3=0000000013dd8000 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=6720646572637465733a4d41503d706f 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=000000000002846f 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=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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f7cab0c8000 CR3=000000001631a000 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=cc4c3a7fadebdf8fd84c9d3d5ab0af54 XMM02=2c67c8bc2e329bc30000000000303d98 XMM03=fb795ef6d6577056000000000030f5e8 XMM04=cbc130b8c9499ced00000000000ae988 XMM05=07c8bb74b6c04a44000000000031f778 XMM06=ecba81a03fa8fc4400000000003197d0 XMM07=e042d86d42eb936e000000000030f8c0 XMM08=9ac598572a090eed0000000000303df8 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000