[ 39.077370] ------------[ cut here ]------------ [ 39.077802] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.078747] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/231 [ 39.079456] Modules linked in: [ 39.079733] CPU: 0 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.080672] Tainted: [W]=WARN [ 39.080927] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.081599] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.082024] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 39.083504] RSP: 0018:ffff888015a97bc0 EFLAGS: 00010286 [ 39.083938] RAX: 0000000000000000 RBX: ffffed1002b52f78 RCX: ffffffff813a4050 [ 39.084532] RDX: ffff88800a958000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.085122] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b52f2f [ 39.085694] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.086400] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015a97df8 [ 39.086991] FS: 00007fb7ac556900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.087645] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.088139] CR2: 00007fb7aca48580 CR3: 000000000b682000 CR4: 0000000000350ef0 [ 39.088710] Call Trace: [ 39.088921] [ 39.089132] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.089554] ? __create_object+0x59/0x80 [ 39.089924] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.090546] __vmalloc_noprof+0x59/0x60 [ 39.091033] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.091593] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.092195] bpf_prog_alloc+0x39/0x200 [ 39.092639] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.093223] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.093793] do_seccomp+0x349/0x25e0 [ 39.094472] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.095400] ? __pfx_do_seccomp+0x10/0x10 [ 39.096189] ? find_held_lock+0x2b/0x80 [ 39.096911] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.097926] ? static_key_count+0x60/0x80 [ 39.098731] prctl_set_seccomp+0x4e/0x70 [ 39.099541] __do_sys_prctl+0xe6c/0x1d70 [ 39.100325] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.101195] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.102239] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.103255] ? irqentry_exit+0xf3/0x650 [ 39.104045] do_syscall_64+0xbf/0x430 [ 39.104747] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.105757] RIP: 0033:0x7fb7aca485cd [ 39.106473] 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 [ 39.109759] RSP: 002b:00007ffe5619cf60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.111181] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb7aca485cd [ 39.112478] RDX: 0000561144282e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.113825] RBP: 00007ffe5619cfc0 R08: 0000000000000000 R09: 00007ffe5619c660 [ 39.115141] R10: 0000000000000000 R11: 0000000000000246 R12: 000056116eabb240 [ 39.116441] R13: 00007ffe5619d3f0 R14: 000056116eac4380 R15: 000056116eacf540 [ 39.117815] [ 39.118314] irq event stamp: 1765 [ 39.118942] hardirqs last enabled at (1773): [] __up_console_sem+0x78/0x80 [ 39.120520] hardirqs last disabled at (1784): [] __up_console_sem+0x5d/0x80 [ 39.122236] softirqs last enabled at (1396): [] handle_softirqs+0x50c/0x770 [ 39.124273] softirqs last disabled at (1803): [] __irq_exit_rcu+0xc4/0x100 [ 39.126249] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.622049] ------------[ cut here ]------------ [ 42.623131] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.625353] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 42.626873] Modules linked in: [ 42.627553] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.629753] Tainted: [W]=WARN [ 42.630391] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.632003] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.632922] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 42.636311] RSP: 0018:ffff888016dd7bc0 EFLAGS: 00010286 [ 42.637344] RAX: 0000000000000000 RBX: ffffed1002dbaf78 RCX: ffffffff813a4050 [ 42.638933] RDX: ffff88800a4b9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.640315] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dbaf2f [ 42.641649] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.642986] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016dd7df8 [ 42.644402] FS: 00007fa43cc3a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.645907] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.646992] CR2: 00007fffe4fccef7 CR3: 000000000db7d000 CR4: 0000000000350ef0 [ 42.648421] Call Trace: [ 42.648918] [ 42.649388] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.650383] ? __create_object+0x59/0x80 [ 42.651224] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.652215] __vmalloc_noprof+0x59/0x60 [ 42.653151] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.654056] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.655025] bpf_prog_alloc+0x39/0x200 [ 42.655774] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.656723] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.657668] do_seccomp+0x349/0x25e0 [ 42.658398] ? find_held_lock+0x2b/0x80 [ 42.659182] ? do_prlimit+0x310/0x610 [ 42.659906] ? __pfx_do_seccomp+0x10/0x10 [ 42.660733] ? do_raw_spin_unlock+0x53/0x220 [ 42.661638] ? _raw_spin_unlock+0x1e/0x40 [ 42.662540] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.663456] ? static_key_count+0x60/0x80 [ 42.664178] prctl_set_seccomp+0x4e/0x70 [ 42.664840] __do_sys_prctl+0xe6c/0x1d70 [ 42.665537] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.666295] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.667121] ? irqentry_exit+0xf3/0x650 [ 42.667770] do_syscall_64+0xbf/0x430 [ 42.668409] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.669230] RIP: 0033:0x7fa43d12c5cd [ 42.669808] 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 [ 42.672581] RSP: 002b:00007fffe4fca410 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.673763] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa43d12c5cd [ 42.674859] RDX: 00005561e4950e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.675988] RBP: 00007fffe4fca470 R08: 0000000000000000 R09: 00007fffe4fc9b10 [ 42.677104] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556205d902b0 [ 42.678218] R13: 00007fffe4fca8a0 R14: 0000556205d92d20 R15: 0000556205da48d0 [ 42.679349] [ 42.679712] irq event stamp: 1747 [ 42.680251] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 42.681613] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 42.682949] softirqs last enabled at (1262): [] handle_softirqs+0x50c/0x770 [ 42.684337] softirqs last disabled at (1257): [] __irq_exit_rcu+0xc4/0x100 [ 42.685648] ---[ end trace 0000000000000000 ]--- [ 43.524618] ------------[ cut here ]------------ [ 43.525634] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.527909] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 43.529544] Modules linked in: [ 43.530493] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.532781] Tainted: [W]=WARN [ 43.533450] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.535095] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.536142] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 43.539719] RSP: 0018:ffff888018cdfbc0 EFLAGS: 00010286 [ 43.540802] RAX: 0000000000000000 RBX: ffffed100319bf78 RCX: ffffffff813a4050 [ 43.542252] RDX: ffff8880194d0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.543705] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100319bf2f [ 43.545144] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.546576] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018cdfdf8 [ 43.548037] FS: 00007fa6d1069900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.549666] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.550850] CR2: 00007ffdab295ef7 CR3: 000000001dc73000 CR4: 0000000000350ef0 [ 43.552296] Call Trace: [ 43.552818] [ 43.553320] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.554330] ? __create_object+0x59/0x80 [ 43.555213] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.556301] __vmalloc_noprof+0x59/0x60 [ 43.557161] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.558147] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.559203] bpf_prog_alloc+0x39/0x200 [ 43.560027] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.561037] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.562038] do_seccomp+0x349/0x25e0 [ 43.562776] ? find_held_lock+0x2b/0x80 [ 43.563596] ? do_prlimit+0x310/0x610 [ 43.564385] ? __pfx_do_seccomp+0x10/0x10 [ 43.565220] ? do_raw_spin_unlock+0x53/0x220 [ 43.566101] ? _raw_spin_unlock+0x1e/0x40 [ 43.566889] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.567917] ? static_key_count+0x60/0x80 [ 43.568767] prctl_set_seccomp+0x4e/0x70 [ 43.569593] __do_sys_prctl+0xe6c/0x1d70 [ 43.570426] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.571342] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.572380] ? irqentry_exit+0xf3/0x650 [ 43.573181] do_syscall_64+0xbf/0x430 [ 43.573925] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.574933] RIP: 0033:0x7fa6d155b5cd [ 43.575699] 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 [ 43.579069] RSP: 002b:00007ffdab293f90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.580536] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa6d155b5cd [ 43.581899] RDX: 0000562678fbfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.583267] RBP: 00007ffdab293ff0 R08: 0000000000000000 R09: 00007ffdab293690 [ 43.584635] R10: 0000000000000000 R11: 0000000000000246 R12: 00005626b2717ad0 [ 43.586001] R13: 00007ffdab294420 R14: 00005626b2718bc0 R15: 00005626b2729780 [ 43.587381] [ 43.587765] irq event stamp: 1827 [ 43.588351] hardirqs last enabled at (1837): [] __up_console_sem+0x78/0x80 [ 43.589721] hardirqs last disabled at (1846): [] __up_console_sem+0x5d/0x80 [ 43.591094] softirqs last enabled at (1458): [] handle_softirqs+0x50c/0x770 [ 43.592509] softirqs last disabled at (1453): [] __irq_exit_rcu+0xc4/0x100 [ 43.593889] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:20103' (ECDSA) to the list of known hosts. 2025/11/17 15:27:43 fuzzer started 2025/11/17 15:27:44 dialing manager at localhost:37895 2025/11/17 15:27:44 checking machine... 2025/11/17 15:27:44 checking revisions... [ 44.600864] kmemleak: Automatic memory scanning thread ended 2025/11/17 15:27:44 testing simple program... [ 44.682441] cgroup: Unknown subsys name 'net' [ 44.746657] cgroup: Unknown subsys name 'cpuset' [ 44.757820] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 15:27:43 Registers: info registers vcpu 0 RAX=ffffea00001c6dc0 RBX=ffff88800a37fc20 RCX=ffffffff818ea827 RDX=0000000000000000 RSI=0000000000000008 RDI=ffffea00001c6dc0 RBP=ffffea00001c6dc0 RSP=ffff88800a37fae8 R8 =0000000000000001 R9 =fffff94000038db8 R10=0000000000000000 R11=0000000000000001 R12=0000000000000096 R13=dffffc0000000000 R14=0000000000000000 R15=ffff88800a37fd68 RIP=ffffffff81b2cf12 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 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=00007f94f9be9de8 CR3=000000001bfae000 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=382d326572637062696c2f756e672d78 XMM02=00302e6f732e382d326572637062696c XMM03=2f756e672d78756e696c2d34365f3638 XMM04=00000000000000000000000000000000 XMM05=00007f94fa04ef6000007f94f9e31f30 XMM06=00007f94f9e31a2000007f94f9e31510 XMM07=00007f94f9e3100000007f94fa04fa20 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff869d7fd7 RBX=0000000000000001 RCX=ffffffff869d7fd2 RDX=dffffc0000000000 RSI=0000000000000000 RDI=1ffffffff0d3affa RBP=ffff888015957500 RSP=ffff888015957438 R8 =ffffffff869d7fd6 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000000003 R12=ffff888015957508 R13=ffff8880159574f0 R14=ffff8880159574e9 R15=ffff8880159574a8 RIP=ffffffff8135e85e RFL=00000217 [----APC] 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 00007f6938e02900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fa43d1f1618 CR3=000000000dfa9000 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=c0e5bce43f95ae3100000000000ae988 XMM05=5b9f9ea9531ee15e0000000000321618 XMM06=0b39c798a71319b600000000003204b0 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000