[ 39.003490] ------------[ cut here ]------------ [ 39.004535] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.006895] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.008772] Modules linked in: [ 39.009503] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.011829] Tainted: [W]=WARN [ 39.012461] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.014172] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.015226] 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 [ 39.018902] RSP: 0018:ffff88800df97bc0 EFLAGS: 00010286 [ 39.020040] RAX: 0000000000000000 RBX: ffffed1001bf2f78 RCX: ffffffff813a4050 [ 39.021489] RDX: ffff88800f4bb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.022814] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001bf2f2f [ 39.024093] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.025375] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800df97df8 [ 39.026663] FS: 00007ff5580c5900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.028100] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.029151] CR2: 00007ff5585b7580 CR3: 000000001d6f7000 CR4: 0000000000350ef0 [ 39.030442] Call Trace: [ 39.030955] [ 39.031361] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.032247] ? __create_object+0x59/0x80 [ 39.033036] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.034011] __vmalloc_noprof+0x59/0x60 [ 39.034722] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.035592] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.036526] bpf_prog_alloc+0x39/0x200 [ 39.037266] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.038189] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.039082] do_seccomp+0x349/0x25e0 [ 39.039760] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.040670] ? __pfx_do_seccomp+0x10/0x10 [ 39.041457] ? find_held_lock+0x2b/0x80 [ 39.042217] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.043184] ? static_key_count+0x60/0x80 [ 39.043977] prctl_set_seccomp+0x4e/0x70 [ 39.044698] __do_sys_prctl+0xe6c/0x1d70 [ 39.045476] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.046341] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.047305] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.048266] ? irqentry_exit+0xf3/0x650 [ 39.049019] do_syscall_64+0xbf/0x430 [ 39.049709] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.050683] RIP: 0033:0x7ff5585b75cd [ 39.051381] 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 [ 39.054565] RSP: 002b:00007fff5ee25260 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.055908] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff5585b75cd [ 39.057179] RDX: 0000563b33ccee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.058456] RBP: 00007fff5ee252c0 R08: 0000000000000000 R09: 00007fff5ee24960 [ 39.059747] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563b5d658ad0 [ 39.061022] R13: 00007fff5ee256f0 R14: 0000563b5d659bc0 R15: 0000563b5d66a780 [ 39.062337] [ 39.062773] irq event stamp: 1795 [ 39.063432] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 39.064978] hardirqs last disabled at (1832): [] __up_console_sem+0x5d/0x80 [ 39.066515] softirqs last enabled at (1830): [] handle_softirqs+0x50c/0x770 [ 39.068055] softirqs last disabled at (1813): [] __irq_exit_rcu+0xc4/0x100 [ 39.069579] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.573297] ------------[ cut here ]------------ [ 42.574216] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.575968] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.577188] Modules linked in: [ 42.577686] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.579521] Tainted: [W]=WARN [ 42.580065] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.581323] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.582114] 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 [ 42.584820] RSP: 0018:ffff888016d3fbc0 EFLAGS: 00010286 [ 42.585592] RAX: 0000000000000000 RBX: ffffed1002da7f78 RCX: ffffffff813a4050 [ 42.586715] RDX: ffff88800f910000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.587832] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002da7f2f [ 42.589010] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.590295] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d3fdf8 [ 42.591372] FS: 00007f79b92a6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.592579] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.593475] CR2: 00007f79b9798580 CR3: 000000000bf67000 CR4: 0000000000350ef0 [ 42.594570] Call Trace: [ 42.595003] [ 42.595347] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.596111] ? __create_object+0x59/0x80 [ 42.596741] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.597642] __vmalloc_noprof+0x59/0x60 [ 42.598313] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.599068] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.599886] bpf_prog_alloc+0x39/0x200 [ 42.600472] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.601269] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.602057] do_seccomp+0x349/0x25e0 [ 42.602617] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.603398] ? __pfx_do_seccomp+0x10/0x10 [ 42.604093] ? find_held_lock+0x2b/0x80 [ 42.604703] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.605534] ? static_key_count+0x60/0x80 [ 42.606230] prctl_set_seccomp+0x4e/0x70 [ 42.606889] __do_sys_prctl+0xe6c/0x1d70 [ 42.607514] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.608248] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.609075] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.609917] ? irqentry_exit+0xf3/0x650 [ 42.610520] do_syscall_64+0xbf/0x430 [ 42.611163] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.612000] RIP: 0033:0x7f79b97985cd [ 42.612567] 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 [ 42.615264] RSP: 002b:00007ffeeb40ca70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.616437] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f79b97985cd [ 42.617531] RDX: 000055cc51f91e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.618640] RBP: 00007ffeeb40cad0 R08: 0000000000000000 R09: 00007ffeeb40c170 [ 42.619751] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cc5f13c2b0 [ 42.620868] R13: 00007ffeeb40cf00 R14: 000055cc5f13ed20 R15: 000055cc5f1508d0 [ 42.622002] [ 42.622359] irq event stamp: 1739 [ 42.622906] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80 [ 42.624207] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80 [ 42.625494] softirqs last enabled at (1484): [] handle_softirqs+0x50c/0x770 [ 42.626853] softirqs last disabled at (1477): [] __irq_exit_rcu+0xc4/0x100 [ 42.628145] ---[ end trace 0000000000000000 ]--- [ 43.507575] ------------[ cut here ]------------ [ 43.508490] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.511226] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 43.512705] Modules linked in: [ 43.513338] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.515584] Tainted: [W]=WARN [ 43.516270] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.517747] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.518685] 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 [ 43.521895] RSP: 0018:ffff888019db7bc0 EFLAGS: 00010286 [ 43.522894] RAX: 0000000000000000 RBX: ffffed10033b6f78 RCX: ffffffff813a4050 [ 43.524184] RDX: ffff888015b2d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.525487] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033b6f2f [ 43.526897] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.528180] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019db7df8 [ 43.529471] FS: 00007f38d95a4900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.530997] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.532079] CR2: 00007f38d9a96580 CR3: 000000001f74e000 CR4: 0000000000350ef0 [ 43.533449] Call Trace: [ 43.534013] [ 43.534429] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.535423] ? __create_object+0x59/0x80 [ 43.536340] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.537460] __vmalloc_noprof+0x59/0x60 [ 43.538344] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.539384] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.540461] bpf_prog_alloc+0x39/0x200 [ 43.541320] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.542422] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.543462] do_seccomp+0x349/0x25e0 [ 43.544292] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.545325] ? __pfx_do_seccomp+0x10/0x10 [ 43.546242] ? find_held_lock+0x2b/0x80 [ 43.547122] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.548247] ? static_key_count+0x60/0x80 [ 43.549172] prctl_set_seccomp+0x4e/0x70 [ 43.550072] __do_sys_prctl+0xe6c/0x1d70 [ 43.550980] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.551964] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.553082] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.554213] ? irqentry_exit+0xf3/0x650 [ 43.555101] do_syscall_64+0xbf/0x430 [ 43.555961] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.557058] RIP: 0033:0x7f38d9a965cd [ 43.557881] 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 [ 43.561519] RSP: 002b:00007ffef254a3b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.563105] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f38d9a965cd [ 43.564593] RDX: 000055d6e5ffbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.566096] RBP: 00007ffef254a410 R08: 0000000000000000 R09: 00007ffef2549ab0 [ 43.567574] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d6f9d2e2b0 [ 43.569058] R13: 00007ffef254a840 R14: 000055d6f9d30d20 R15: 000055d6f9d428d0 [ 43.570569] [ 43.571054] irq event stamp: 1821 [ 43.571656] hardirqs last enabled at (1829): [] __up_console_sem+0x78/0x80 [ 43.573181] hardirqs last disabled at (1838): [] __up_console_sem+0x5d/0x80 [ 43.574588] softirqs last enabled at (1778): [] handle_softirqs+0x50c/0x770 [ 43.575842] softirqs last disabled at (1773): [] __irq_exit_rcu+0xc4/0x100 [ 43.577078] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:25433' (ECDSA) to the list of known hosts. 2025/11/18 12:25:44 fuzzer started 2025/11/18 12:25:44 dialing manager at localhost:34383 2025/11/18 12:25:44 checking machine... 2025/11/18 12:25:44 checking revisions... [ 44.537183] kmemleak: Automatic memory scanning thread ended 2025/11/18 12:25:44 testing simple program... [ 44.617909] cgroup: Unknown subsys name 'net' [ 44.688349] cgroup: Unknown subsys name 'cpuset' [ 44.709967] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 12:25:43 Registers: info registers vcpu 0 RAX=ffffffff86a4326d RBX=0000000000000001 RCX=ffffffff86a43268 RDX=0000000000000002 RSI=0000000000000005 RDI=ffffffff866d7b88 RBP=ffff888009627898 RSP=ffff8880096277d0 R8 =ffffffff86a43262 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000011d7b R12=ffff8880096278a0 R13=ffff888009627888 R14=ffff888009627881 R15=ffff888009627840 RIP=ffffffff8135e83e RFL=00000202 [-------] 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f79b985e0b0 CR3=000000001f703000 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=ffffffffffffffffffffffff00000000 XMM01=000000000000000000005500746f6f72 XMM02=ff000000000000000000000000000000 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=000a687361622f6e69622f3a746f6f72 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000023bc9 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 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f4cb58a7020 CR3=000000000e080000 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=94e1fad226ece99ced44a8544db08e14 XMM02=2c67c8bc2e329bc300000000002fffc8 XMM03=fb795ef6d6577056000000000030d618 XMM04=0737921f7eae6af600000000000ae988 XMM05=090f1556b20111b3000000000031ddb8 XMM06=5b75c91c80445342000000000031dc40 XMM07=e042d86d42eb936e000000000030d898 XMM08=487ca0d309765e610000000000300028 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000