syzkaller login: [ 46.352456] ------------[ cut here ]------------ [ 46.353368] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.355368] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 46.356879] Modules linked in: [ 46.357479] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.359482] Tainted: [W]=WARN [ 46.360087] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.361565] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.362737] 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 [ 46.365999] RSP: 0018:ffff8880174a7bc0 EFLAGS: 00010286 [ 46.366987] RAX: 0000000000000000 RBX: ffffed1002e94f78 RCX: ffffffff813a4050 [ 46.368254] RDX: ffff88801a811bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.369530] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e94f2f [ 46.370805] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.372091] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880174a7df8 [ 46.373362] FS: 00007f5070a90900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.374793] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.375862] CR2: 00007ffef2fc6ef8 CR3: 000000000daff000 CR4: 0000000000350ef0 [ 46.377133] Call Trace: [ 46.377589] [ 46.378030] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.378924] ? __create_object+0x59/0x80 [ 46.379653] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.380608] __vmalloc_noprof+0x59/0x60 [ 46.381361] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.382239] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.383158] bpf_prog_alloc+0x39/0x200 [ 46.383887] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.384764] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.385657] do_seccomp+0x349/0x25e0 [ 46.386373] ? find_held_lock+0x2b/0x80 [ 46.387128] ? do_prlimit+0x310/0x610 [ 46.387812] ? __pfx_do_seccomp+0x10/0x10 [ 46.388583] ? do_raw_spin_unlock+0x53/0x220 [ 46.389414] ? _raw_spin_unlock+0x1e/0x40 [ 46.390195] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.391166] ? static_key_count+0x60/0x80 [ 46.391957] prctl_set_seccomp+0x4e/0x70 [ 46.392678] __do_sys_prctl+0xe6c/0x1d70 [ 46.393455] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.394306] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.395268] ? irqentry_exit+0xf3/0x650 [ 46.396016] do_syscall_64+0xbf/0x430 [ 46.396706] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.397650] RIP: 0033:0x7f5070f825cd [ 46.398370] 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 [ 46.401498] RSP: 002b:00007ffef2fc4b60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.402864] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5070f825cd [ 46.404120] RDX: 000055b9af8bfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.405400] RBP: 00007ffef2fc4bc0 R08: 0000000000000000 R09: 00007ffef2fc4260 [ 46.406669] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b9cc5ce240 [ 46.407943] R13: 00007ffef2fc4ff0 R14: 000055b9cc5cdbf0 R15: 000055b9cc5e24d0 [ 46.409220] [ 46.409639] irq event stamp: 1775 [ 46.410289] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 46.411645] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 46.412895] softirqs last enabled at (1734): [] handle_softirqs+0x50c/0x770 [ 46.414168] softirqs last disabled at (1721): [] __irq_exit_rcu+0xc4/0x100 [ 46.415431] ---[ end trace 0000000000000000 ]--- [ 49.451446] ------------[ cut here ]------------ [ 49.452397] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.454413] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 49.455915] Modules linked in: [ 49.456511] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.458540] Tainted: [W]=WARN [ 49.459159] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.460711] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.461684] 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 [ 49.465046] RSP: 0018:ffff8880177b7bc0 EFLAGS: 00010286 [ 49.466078] RAX: 0000000000000000 RBX: ffffed1002ef6f78 RCX: ffffffff813a4050 [ 49.467450] RDX: ffff88801a818000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.468816] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ef6f2f [ 49.470195] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.471566] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880177b7df8 [ 49.472940] FS: 00007f001ee99900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.474505] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.475655] CR2: 00007ffe4e4b8ef8 CR3: 000000001a11c000 CR4: 0000000000350ef0 [ 49.477039] Call Trace: [ 49.477538] [ 49.478011] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.478988] ? __create_object+0x59/0x80 [ 49.479786] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.480872] __vmalloc_noprof+0x59/0x60 [ 49.481645] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.482609] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.483613] bpf_prog_alloc+0x39/0x200 [ 49.484417] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.485431] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.486424] do_seccomp+0x349/0x25e0 [ 49.487214] ? find_held_lock+0x2b/0x80 [ 49.488049] ? do_prlimit+0x310/0x610 [ 49.488816] ? __pfx_do_seccomp+0x10/0x10 [ 49.489687] ? do_raw_spin_unlock+0x53/0x220 [ 49.490636] ? _raw_spin_unlock+0x1e/0x40 [ 49.491505] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.492559] ? static_key_count+0x60/0x80 [ 49.493448] prctl_set_seccomp+0x4e/0x70 [ 49.494314] __do_sys_prctl+0xe6c/0x1d70 [ 49.495200] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.496172] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.497255] ? irqentry_exit+0xf3/0x650 [ 49.498103] do_syscall_64+0xbf/0x430 [ 49.498939] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.500012] RIP: 0033:0x7f001f38b5cd [ 49.500756] 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 [ 49.504382] RSP: 002b:00007ffe4e4b6e60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.505928] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f001f38b5cd [ 49.507386] RDX: 00005592fb713e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.508856] RBP: 00007ffe4e4b6ec0 R08: 0000000000000000 R09: 00007ffe4e4b6560 [ 49.510316] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559336451ad0 [ 49.511769] R13: 00007ffe4e4b72f0 R14: 0000559336452bc0 R15: 0000559336463780 [ 49.513236] [ 49.513714] irq event stamp: 1761 [ 49.514455] hardirqs last enabled at (1771): [] __up_console_sem+0x78/0x80 [ 49.516172] hardirqs last disabled at (1780): [] __up_console_sem+0x5d/0x80 [ 49.517889] softirqs last enabled at (1682): [] handle_softirqs+0x50c/0x770 [ 49.519496] softirqs last disabled at (1677): [] __irq_exit_rcu+0xc4/0x100 [ 49.520933] ---[ end trace 0000000000000000 ]--- [ 50.310056] ------------[ cut here ]------------ [ 50.310985] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.312967] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 50.314425] Modules linked in: [ 50.315058] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.317066] Tainted: [W]=WARN [ 50.317612] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.319091] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.319978] 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 [ 50.323137] RSP: 0018:ffff88800cb97bc0 EFLAGS: 00010286 [ 50.324117] RAX: 0000000000000000 RBX: ffffed1001972f78 RCX: ffffffff813a4050 [ 50.325394] RDX: ffff88801a739bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.326702] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001972f2f [ 50.327986] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.329280] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800cb97df8 [ 50.330586] FS: 00007f458f6aa900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.332011] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.333087] CR2: 00007ffd3a54def8 CR3: 000000000eca0000 CR4: 0000000000350ef0 [ 50.334373] Call Trace: [ 50.334876] [ 50.335284] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.336187] ? __create_object+0x59/0x80 [ 50.336969] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.337927] __vmalloc_noprof+0x59/0x60 [ 50.338654] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.339530] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.340438] bpf_prog_alloc+0x39/0x200 [ 50.341171] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.342104] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.343005] do_seccomp+0x349/0x25e0 [ 50.343677] ? find_held_lock+0x2b/0x80 [ 50.344430] ? do_prlimit+0x310/0x610 [ 50.345172] ? __pfx_do_seccomp+0x10/0x10 [ 50.345963] ? do_raw_spin_unlock+0x53/0x220 [ 50.346766] ? _raw_spin_unlock+0x1e/0x40 [ 50.347559] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.348540] ? static_key_count+0x60/0x80 [ 50.349353] prctl_set_seccomp+0x4e/0x70 [ 50.350148] __do_sys_prctl+0xe6c/0x1d70 [ 50.350945] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.351766] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.352728] ? irqentry_exit+0xf3/0x650 [ 50.353479] do_syscall_64+0xbf/0x430 [ 50.354234] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.355191] RIP: 0033:0x7f458fb9c5cd [ 50.355882] 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 [ 50.358999] RSP: 002b:00007ffd3a54c7b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.360329] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f458fb9c5cd [ 50.361586] RDX: 000055de07296e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.362874] RBP: 00007ffd3a54c810 R08: 0000000000000000 R09: 00007ffd3a54beb0 [ 50.364128] R10: 0000000000000000 R11: 0000000000000246 R12: 000055de0d09d240 [ 50.365388] R13: 00007ffd3a54cc40 R14: 000055de0d0a6380 R15: 000055de0d0b1540 [ 50.366677] [ 50.367150] irq event stamp: 1731 [ 50.367752] hardirqs last enabled at (1739): [] __up_console_sem+0x78/0x80 [ 50.369234] hardirqs last disabled at (1748): [] __up_console_sem+0x5d/0x80 [ 50.370741] softirqs last enabled at (1622): [] handle_softirqs+0x50c/0x770 [ 50.372254] softirqs last disabled at (1617): [] __irq_exit_rcu+0xc4/0x100 [ 50.373725] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:43119' (ECDSA) to the list of known hosts. 2025/11/18 17:39:22 fuzzer started 2025/11/18 17:39:22 dialing manager at localhost:34383 2025/11/18 17:39:22 checking machine... 2025/11/18 17:39:22 checking revisions... [ 51.268912] kmemleak: Automatic memory scanning thread ended 2025/11/18 17:39:23 testing simple program... [ 51.372355] cgroup: Unknown subsys name 'net' [ 51.424686] cgroup: Unknown subsys name 'cpuset' [ 51.440619] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 17:39:22 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888018ef7f18 RCX=0000000000000001 RDX=0000000000000000 RSI=0000000000000000 RDI=0000000000000001 RBP=ffffffff85e1ffe0 RSP=ffff888018ef7640 R8 =0000000000000001 R9 =ffff888018ef7738 R10=000000000003c9ed R11=00000000000231c0 R12=ffffffff8135e7a2 R13=ffff888018ef7740 R14=ffff88801a81d340 R15=ffff888018ef76f8 RIP=ffffffff81528f2e 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 00007f001ee99900 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=00007f001ee78020 CR3=000000000da99000 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=000000000002aef3 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 fffffe1900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffdd19082f8 CR3=000000000d431000 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=a48811474c339cb793469ef228e0dcef XMM02=ec2efd57dc4c00df00000000003026f0 XMM03=db8957baff071fa700000000003027c0 XMM04=e7f136d0abc56a5600000000000ae988 XMM05=d96330e2d2db8632000000000031e208 XMM06=12d929ccb7f681ac0000000000318308 XMM07=e042d86d42eb936e000000000030e488 XMM08=db8957baff071fa700000000003027c0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000