syzkaller login: [ 39.007612] ------------[ cut here ]------------ [ 39.008582] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.010601] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.012076] Modules linked in: [ 39.012693] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.014697] Tainted: [W]=WARN [ 39.015310] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.016815] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.017978] 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 [ 39.021252] RSP: 0018:ffff88801c50fbc0 EFLAGS: 00010286 [ 39.022248] RAX: 0000000000000000 RBX: ffffed10038a1f78 RCX: ffffffff813a4050 [ 39.023554] RDX: ffff888014660000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.024858] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10038a1f2f [ 39.026143] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.027437] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c50fdf8 [ 39.028760] FS: 00007faefb826900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.030211] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.031286] CR2: 00007faefbd18580 CR3: 000000000ca3a000 CR4: 0000000000350ef0 [ 39.032599] Call Trace: [ 39.033121] [ 39.033539] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.034453] ? __create_object+0x59/0x80 [ 39.035258] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.036252] __vmalloc_noprof+0x59/0x60 [ 39.036996] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.037900] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.038867] bpf_prog_alloc+0x39/0x200 [ 39.039640] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.040622] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.041565] do_seccomp+0x349/0x25e0 [ 39.042317] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.043258] ? __pfx_do_seccomp+0x10/0x10 [ 39.044027] ? find_held_lock+0x2b/0x80 [ 39.044837] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.045839] ? static_key_count+0x60/0x80 [ 39.046674] prctl_set_seccomp+0x4e/0x70 [ 39.047484] __do_sys_prctl+0xe6c/0x1d70 [ 39.048300] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.049202] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.050207] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.051216] ? irqentry_exit+0xf3/0x650 [ 39.051964] do_syscall_64+0xbf/0x430 [ 39.052746] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.053743] RIP: 0033:0x7faefbd185cd [ 39.054473] 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 [ 39.057792] RSP: 002b:00007ffc1c10e240 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.059213] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007faefbd185cd [ 39.060563] RDX: 000055c370b86e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.061890] RBP: 00007ffc1c10e2a0 R08: 0000000000000000 R09: 00007ffc1c10d940 [ 39.063223] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c38bf8bb10 [ 39.064616] R13: 00007ffc1c10e6d0 R14: 000055c38bf8c2b0 R15: 000055c38bfa06f0 [ 39.065826] [ 39.066226] irq event stamp: 1801 [ 39.066754] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 39.068084] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 39.069424] softirqs last enabled at (1788): [] handle_softirqs+0x50c/0x770 [ 39.070766] softirqs last disabled at (1783): [] __irq_exit_rcu+0xc4/0x100 [ 39.072083] ---[ end trace 0000000000000000 ]--- [ 41.969986] ------------[ cut here ]------------ [ 41.970920] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.972926] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 41.974397] Modules linked in: [ 41.974999] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.977293] Tainted: [W]=WARN [ 41.977857] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.979410] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.980339] 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 [ 41.983541] RSP: 0018:ffff88801716fbc0 EFLAGS: 00010286 [ 41.984520] RAX: 0000000000000000 RBX: ffffed1002e2df78 RCX: ffffffff813a4050 [ 41.985818] RDX: ffff88801c738000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.987102] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e2df2f [ 41.988383] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.989684] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801716fdf8 [ 41.990974] FS: 00007f2d22619900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.992433] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.993522] CR2: 00007fff87f1def7 CR3: 000000000f0e4000 CR4: 0000000000350ef0 [ 41.994812] Call Trace: [ 41.995320] [ 41.995734] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.996653] ? __create_object+0x59/0x80 [ 41.997443] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.998417] __vmalloc_noprof+0x59/0x60 [ 41.999188] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.000070] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.000988] bpf_prog_alloc+0x39/0x200 [ 42.001726] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.002651] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.003568] do_seccomp+0x349/0x25e0 [ 42.004293] ? find_held_lock+0x2b/0x80 [ 42.005090] ? do_prlimit+0x310/0x610 [ 42.005805] ? __pfx_do_seccomp+0x10/0x10 [ 42.006604] ? do_raw_spin_unlock+0x53/0x220 [ 42.007453] ? _raw_spin_unlock+0x1e/0x40 [ 42.008234] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.009202] ? static_key_count+0x60/0x80 [ 42.009973] prctl_set_seccomp+0x4e/0x70 [ 42.010754] __do_sys_prctl+0xe6c/0x1d70 [ 42.011555] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.012416] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.013399] ? irqentry_exit+0xf3/0x650 [ 42.014177] do_syscall_64+0xbf/0x430 [ 42.014890] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.015841] RIP: 0033:0x7f2d22b0b5cd [ 42.016550] 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 [ 42.019767] RSP: 002b:00007fff87f1cc40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.021160] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2d22b0b5cd [ 42.022306] RDX: 00005557b1cd9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.023369] RBP: 00007fff87f1cca0 R08: 0000000000000000 R09: 00007fff87f1c340 [ 42.024425] R10: 0000000000000000 R11: 0000000000000246 R12: 00005557b6931ad0 [ 42.025494] R13: 00007fff87f1d0d0 R14: 00005557b6932bc0 R15: 00005557b6943780 [ 42.026559] [ 42.026914] irq event stamp: 1905 [ 42.027456] hardirqs last enabled at (1915): [] __up_console_sem+0x78/0x80 [ 42.028733] hardirqs last disabled at (1924): [] __up_console_sem+0x5d/0x80 [ 42.029985] softirqs last enabled at (1828): [] handle_softirqs+0x50c/0x770 [ 42.031263] softirqs last disabled at (1819): [] __irq_exit_rcu+0xc4/0x100 [ 42.032523] ---[ end trace 0000000000000000 ]--- [ 42.698630] ------------[ cut here ]------------ [ 42.699559] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.701589] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 42.703070] Modules linked in: [ 42.703693] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.705711] Tainted: [W]=WARN [ 42.706306] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.708127] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.709027] 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 [ 42.712281] RSP: 0018:ffff88800ecefbc0 EFLAGS: 00010286 [ 42.713288] RAX: 0000000000000000 RBX: ffffed1001d9df78 RCX: ffffffff813a4050 [ 42.714596] RDX: ffff88800f6eb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.715943] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001d9df2f [ 42.717323] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.718647] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800ecefdf8 [ 42.719951] FS: 00007f92b62c5900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.721438] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.722513] CR2: 00007f92b67b7580 CR3: 0000000009d80000 CR4: 0000000000350ef0 [ 42.723854] Call Trace: [ 42.724381] [ 42.724811] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.725720] ? __create_object+0x59/0x80 [ 42.726518] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.727503] __vmalloc_noprof+0x59/0x60 [ 42.728269] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.729168] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.730115] bpf_prog_alloc+0x39/0x200 [ 42.730821] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.731761] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.732689] do_seccomp+0x349/0x25e0 [ 42.733420] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.734333] ? __pfx_do_seccomp+0x10/0x10 [ 42.735133] ? find_held_lock+0x2b/0x80 [ 42.735858] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.736846] ? static_key_count+0x60/0x80 [ 42.737647] prctl_set_seccomp+0x4e/0x70 [ 42.738412] __do_sys_prctl+0xe6c/0x1d70 [ 42.739202] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.740009] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.741005] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.741971] ? irqentry_exit+0xf3/0x650 [ 42.742740] do_syscall_64+0xbf/0x430 [ 42.743492] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.744451] RIP: 0033:0x7f92b67b75cd [ 42.745172] 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 [ 42.748360] RSP: 002b:00007ffe39123570 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.749741] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f92b67b75cd [ 42.751014] RDX: 000055fb8a121e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.752338] RBP: 00007ffe391235d0 R08: 0000000000000000 R09: 00007ffe39122c70 [ 42.753623] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fbb5c63240 [ 42.754897] R13: 00007ffe39123a00 R14: 000055fbb5c6c380 R15: 000055fbb5c77540 [ 42.756210] [ 42.756649] irq event stamp: 1777 [ 42.757287] hardirqs last enabled at (1787): [] __up_console_sem+0x78/0x80 [ 42.758819] hardirqs last disabled at (1796): [] __up_console_sem+0x5d/0x80 [ 42.760344] softirqs last enabled at (1366): [] handle_softirqs+0x50c/0x770 [ 42.761750] softirqs last disabled at (1361): [] __irq_exit_rcu+0xc4/0x100 [ 42.762993] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:29643' (ECDSA) to the list of known hosts. 2025/11/18 11:34:57 fuzzer started 2025/11/18 11:34:58 dialing manager at localhost:34383 2025/11/18 11:34:58 checking machine... 2025/11/18 11:34:58 checking revisions... [ 43.598199] kmemleak: Automatic memory scanning thread ended 2025/11/18 11:34:58 testing simple program... [ 43.689920] cgroup: Unknown subsys name 'net' [ 43.770666] cgroup: Unknown subsys name 'cpuset' [ 43.784591] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 11:34:57 Registers: info registers vcpu 0 RAX=0000000000000005 RBX=ffff88801c73b780 RCX=0000000000000001 RDX=0000000000000005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff88801c73c1d8 RSP=ffff88806ce088e8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff88801c73c250 R13=0000000000000003 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81527128 RFL=00000007 [-----PC] 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 00007f2d22619900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f2d225c3008 CR3=00000000205c9000 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=ffff888015c68000 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff88806cf08970 R8 =0000000000000000 R9 =0000000000000000 R10=00007ffbd803f000 R11=0000000000000003 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000200 RIP=ffffffff81526ee0 RFL=00000006 [-----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 00007ffbd7786900 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=00007fffbb4ac808 CR3=000000000a040000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=cd5996ba6ee8266300000000000ae988 XMM05=793051380297b8310000000000320348 XMM06=d96330e2d2db8632000000000031ea98 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000