[ 39.007861] ------------[ cut here ]------------ [ 39.008899] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.011105] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.012737] Modules linked in: [ 39.013429] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.015579] Tainted: [W]=WARN [ 39.016173] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.017746] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.018728] 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 [ 39.022161] RSP: 0018:ffff8880170e7bc0 EFLAGS: 00010286 [ 39.023222] RAX: 0000000000000000 RBX: ffffed1002e1cf78 RCX: ffffffff813a4050 [ 39.024621] RDX: ffff88800ac8b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.026012] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e1cf2f [ 39.027612] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.028925] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880170e7df8 [ 39.030222] FS: 00007f86b82a2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.031675] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.032749] CR2: 00007f86b8794580 CR3: 000000000ffee000 CR4: 0000000000350ef0 [ 39.034048] Call Trace: [ 39.034556] [ 39.034984] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.035892] ? __create_object+0x59/0x80 [ 39.036666] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.037647] __vmalloc_noprof+0x59/0x60 [ 39.038367] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.039245] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.040172] bpf_prog_alloc+0x39/0x200 [ 39.040894] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.041818] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.042704] do_seccomp+0x349/0x25e0 [ 39.043433] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.044285] ? __pfx_do_seccomp+0x10/0x10 [ 39.045078] ? find_held_lock+0x2b/0x80 [ 39.045839] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.046805] ? static_key_count+0x60/0x80 [ 39.047599] prctl_set_seccomp+0x4e/0x70 [ 39.048330] __do_sys_prctl+0xe6c/0x1d70 [ 39.049121] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.049977] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.050984] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.051964] ? irqentry_exit+0xf3/0x650 [ 39.052739] do_syscall_64+0xbf/0x430 [ 39.053480] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.054439] RIP: 0033:0x7f86b87945cd [ 39.055116] 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 [ 39.058284] RSP: 002b:00007fff05730a70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.059680] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f86b87945cd [ 39.060972] RDX: 0000559b967b8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.062258] RBP: 00007fff05730ad0 R08: 0000000000000000 R09: 00007fff05730170 [ 39.063568] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559bb3547ad0 [ 39.064852] R13: 00007fff05730f00 R14: 0000559bb3548bc0 R15: 0000559bb3559780 [ 39.066147] [ 39.066618] irq event stamp: 1741 [ 39.067242] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80 [ 39.068776] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80 [ 39.070301] softirqs last enabled at (1678): [] handle_softirqs+0x50c/0x770 [ 39.071863] softirqs last disabled at (1663): [] __irq_exit_rcu+0xc4/0x100 [ 39.073417] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.574882] ------------[ cut here ]------------ [ 42.575819] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.577795] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.579243] Modules linked in: [ 42.579903] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.581862] Tainted: [W]=WARN [ 42.582452] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.583919] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.584828] 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 [ 42.587989] RSP: 0018:ffff8880164bfbc0 EFLAGS: 00010286 [ 42.588962] RAX: 0000000000000000 RBX: ffffed1002c97f78 RCX: ffffffff813a4050 [ 42.590237] RDX: ffff88800f68d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.591521] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c97f2f [ 42.592800] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.594071] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880164bfdf8 [ 42.595364] FS: 00007fc201529900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.596821] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.597869] CR2: 00007ffcb1a94ef8 CR3: 000000001e9c4000 CR4: 0000000000350ef0 [ 42.599148] Call Trace: [ 42.599665] [ 42.600072] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.600968] ? __create_object+0x59/0x80 [ 42.601748] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.602709] __vmalloc_noprof+0x59/0x60 [ 42.603479] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.604298] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.605228] bpf_prog_alloc+0x39/0x200 [ 42.605949] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.606883] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.607781] do_seccomp+0x349/0x25e0 [ 42.608491] ? find_held_lock+0x2b/0x80 [ 42.609204] ? do_prlimit+0x310/0x610 [ 42.609948] ? __pfx_do_seccomp+0x10/0x10 [ 42.610732] ? do_raw_spin_unlock+0x53/0x220 [ 42.611581] ? _raw_spin_unlock+0x1e/0x40 [ 42.612308] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.613241] ? static_key_count+0x60/0x80 [ 42.614008] prctl_set_seccomp+0x4e/0x70 [ 42.614755] __do_sys_prctl+0xe6c/0x1d70 [ 42.615534] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.616331] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.617286] ? irqentry_exit+0xf3/0x650 [ 42.618042] do_syscall_64+0xbf/0x430 [ 42.618782] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.619732] RIP: 0033:0x7fc201a1b5cd [ 42.620424] 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 [ 42.623583] RSP: 002b:00007ffcb1a93570 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.624932] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc201a1b5cd [ 42.626208] RDX: 00005566b28c4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.627491] RBP: 00007ffcb1a935d0 R08: 0000000000000000 R09: 00007ffcb1a92c70 [ 42.628774] R10: 0000000000000000 R11: 0000000000000246 R12: 00005566d504aad0 [ 42.630046] R13: 00007ffcb1a93a00 R14: 00005566d504bbc0 R15: 00005566d505c780 [ 42.631351] [ 42.631764] irq event stamp: 1743 [ 42.632253] hardirqs last enabled at (1751): [] __up_console_sem+0x78/0x80 [ 42.633470] hardirqs last disabled at (1760): [] __up_console_sem+0x5d/0x80 [ 42.634684] softirqs last enabled at (1664): [] handle_softirqs+0x50c/0x770 [ 42.635931] softirqs last disabled at (1659): [] __irq_exit_rcu+0xc4/0x100 [ 42.637134] ---[ end trace 0000000000000000 ]--- [ 43.486214] ------------[ cut here ]------------ [ 43.487043] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.488743] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.489924] Modules linked in: [ 43.490455] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.492091] Tainted: [W]=WARN [ 43.492572] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.493764] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.494502] 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 [ 43.497106] RSP: 0018:ffff88800f7c7bc0 EFLAGS: 00010286 [ 43.497981] RAX: 0000000000000000 RBX: ffffed1001ef8f78 RCX: ffffffff813a4050 [ 43.499076] RDX: ffff888016698000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.500275] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001ef8f2f [ 43.501374] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.502367] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f7c7df8 [ 43.503515] FS: 00007f0a73c19900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.504864] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.505856] CR2: 00007ffedafffef8 CR3: 000000001645b000 CR4: 0000000000350ef0 [ 43.507072] Call Trace: [ 43.507541] [ 43.507924] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.508753] ? __create_object+0x59/0x80 [ 43.509487] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.510344] __vmalloc_noprof+0x59/0x60 [ 43.511061] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.511890] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.512759] bpf_prog_alloc+0x39/0x200 [ 43.513444] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.514259] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.515117] do_seccomp+0x349/0x25e0 [ 43.515789] ? find_held_lock+0x2b/0x80 [ 43.516495] ? do_prlimit+0x310/0x610 [ 43.517138] ? __pfx_do_seccomp+0x10/0x10 [ 43.517880] ? do_raw_spin_unlock+0x53/0x220 [ 43.518652] ? _raw_spin_unlock+0x1e/0x40 [ 43.519359] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.520254] ? static_key_count+0x60/0x80 [ 43.521008] prctl_set_seccomp+0x4e/0x70 [ 43.521727] __do_sys_prctl+0xe6c/0x1d70 [ 43.522454] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.523213] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.524117] ? irqentry_exit+0xf3/0x650 [ 43.524823] do_syscall_64+0xbf/0x430 [ 43.525502] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.526343] RIP: 0033:0x7f0a7410b5cd [ 43.527164] 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 [ 43.530708] RSP: 002b:00007ffedaffe320 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.532119] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0a7410b5cd [ 43.533351] RDX: 000055dbfc997e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.534599] RBP: 00007ffedaffe380 R08: 0000000000000000 R09: 00007ffedaffda20 [ 43.535853] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dc1d750ad0 [ 43.537095] R13: 00007ffedaffe7b0 R14: 000055dc1d751bc0 R15: 000055dc1d762780 [ 43.538352] [ 43.538791] irq event stamp: 1785 [ 43.539361] hardirqs last enabled at (1793): [] __up_console_sem+0x78/0x80 [ 43.540846] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 43.542290] softirqs last enabled at (1808): [] handle_softirqs+0x50c/0x770 [ 43.543770] softirqs last disabled at (1803): [] __irq_exit_rcu+0xc4/0x100 [ 43.545213] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:61227' (ECDSA) to the list of known hosts. 2025/11/18 21:17:07 fuzzer started 2025/11/18 21:17:07 dialing manager at localhost:34383 2025/11/18 21:17:07 checking machine... 2025/11/18 21:17:07 checking revisions... [ 44.398209] kmemleak: Automatic memory scanning thread ended 2025/11/18 21:17:07 testing simple program... [ 44.495867] cgroup: Unknown subsys name 'net' [ 44.561055] cgroup: Unknown subsys name 'cpuset' [ 44.576167] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 21:17:06 Registers: info registers vcpu 0 RAX=ffffed1002f65901 RBX=ffff888017b2c800 RCX=ffffffff819de73e RDX=ffffed1002f65901 RSI=0000000000000004 RDI=ffff888017b2c800 RBP=ffffed1002f65900 RSP=ffff88801743f9e0 R8 =0000000000000001 R9 =ffffed1002f65900 R10=ffff888017b2c803 R11=0000000000000004 R12=0000000000000002 R13=0000000040000001 R14=ffff88801743fa58 R15=0000000000000001 RIP=ffffffff81b2d177 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 00007fc201529900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc201508020 CR3=000000000d677000 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=0000000000000001 RBX=0000000000000246 RCX=ffffffff8152da53 RDX=0000000000000000 RSI=0000000000000004 RDI=ffffffff84c9815c RBP=ffffffff85e2b980 RSP=ffff88806cf08e48 R8 =0000000000000000 R9 =fffffbfff0bc5730 R10=ffffffff85e2b983 R11=ffffffff85e2b9c0 R12=ffffffff85e2b980 R13=ffffffff85e2b9c0 R14=ffffffff85e2b980 R15=ffff88806cf38152 RIP=ffffffff817d9a71 RFL=00000002 [-------] 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 00007f9a22c76900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0100000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f5b5bcf0038 CR3=000000001f52e000 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=00ff0000000000000000000000ff0000 XMM01=4700352e322e325f4342494c4700362e XMM02=ff00ffffffffffffffffffffff000000 XMM03=00000000000000000000000000616e69 XMM04=646e617078655f6e645f5f00657a696c XMM05=00007f9a2322ff6000007f9a233e9950 XMM06=00007f9a233e944000007f9a233e8f20 XMM07=00007f9a22d3312000007f9a22d32b10 XMM08=00007f9a22d325f000007f9a22d32060 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000