[ 39.837772] ------------[ cut here ]------------ [ 39.838678] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.840659] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.842133] Modules linked in: [ 39.842736] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.844692] Tainted: [W]=WARN [ 39.845290] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.846763] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.847669] 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 [ 39.850809] RSP: 0018:ffff8880161f7bc0 EFLAGS: 00010286 [ 39.851777] RAX: 0000000000000000 RBX: ffffed1002c3ef78 RCX: ffffffff813a4050 [ 39.853050] RDX: ffff888015a90000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.854330] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c3ef2f [ 39.855624] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.856891] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880161f7df8 [ 39.858173] FS: 00007fe86262f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.859613] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.860674] CR2: 00007fffd8e2fef7 CR3: 000000000b988000 CR4: 0000000000350ef0 [ 39.861951] Call Trace: [ 39.862409] [ 39.862880] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.863724] ? __create_object+0x59/0x80 [ 39.864501] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.865465] __vmalloc_noprof+0x59/0x60 [ 39.866235] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.867303] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.868239] bpf_prog_alloc+0x39/0x200 [ 39.868979] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.869901] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.870774] do_seccomp+0x349/0x25e0 [ 39.871492] ? find_held_lock+0x2b/0x80 [ 39.872241] ? do_prlimit+0x310/0x610 [ 39.872974] ? __pfx_do_seccomp+0x10/0x10 [ 39.873704] ? do_raw_spin_unlock+0x53/0x220 [ 39.874534] ? _raw_spin_unlock+0x1e/0x40 [ 39.875323] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.876272] ? static_key_count+0x60/0x80 [ 39.877071] prctl_set_seccomp+0x4e/0x70 [ 39.877797] __do_sys_prctl+0xe6c/0x1d70 [ 39.878589] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.879451] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.880405] ? irqentry_exit+0xf3/0x650 [ 39.881167] do_syscall_64+0xbf/0x430 [ 39.881925] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.882894] RIP: 0033:0x7fe862b215cd [ 39.883554] 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 [ 39.886686] RSP: 002b:00007fffd8e2d6d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.888061] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe862b215cd [ 39.889324] RDX: 000055cec0ecbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.890596] RBP: 00007fffd8e2d730 R08: 0000000000000000 R09: 00007fffd8e2cdd0 [ 39.891868] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cef4c932b0 [ 39.893149] R13: 00007fffd8e2db60 R14: 000055cef4c95d20 R15: 000055cef4ca78d0 [ 39.894433] [ 39.894906] irq event stamp: 1793 [ 39.895501] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 39.897017] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 39.898519] softirqs last enabled at (1770): [] handle_softirqs+0x50c/0x770 [ 39.900055] softirqs last disabled at (1765): [] __irq_exit_rcu+0xc4/0x100 [ 39.901570] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.709701] ------------[ cut here ]------------ [ 42.710495] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.712145] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.713373] Modules linked in: [ 42.713898] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.715737] Tainted: [W]=WARN [ 42.716575] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.718131] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.719228] 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 [ 42.721852] RSP: 0018:ffff88800bc67bc0 EFLAGS: 00010286 [ 42.722629] RAX: 0000000000000000 RBX: ffffed100178cf78 RCX: ffffffff813a4050 [ 42.723699] RDX: ffff888013f08000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.724760] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100178cf2f [ 42.725836] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.726906] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800bc67df8 [ 42.727961] FS: 00007f38160a0900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.729144] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.730026] CR2: 00007ffe322fbef7 CR3: 000000000c190000 CR4: 0000000000350ef0 [ 42.731103] Call Trace: [ 42.731488] [ 42.731866] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.732574] ? __create_object+0x59/0x80 [ 42.733222] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.734034] __vmalloc_noprof+0x59/0x60 [ 42.734625] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.735352] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.736132] bpf_prog_alloc+0x39/0x200 [ 42.736704] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.737472] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.738214] do_seccomp+0x349/0x25e0 [ 42.738780] ? find_held_lock+0x2b/0x80 [ 42.739413] ? do_prlimit+0x310/0x610 [ 42.740030] ? __pfx_do_seccomp+0x10/0x10 [ 42.740642] ? do_raw_spin_unlock+0x53/0x220 [ 42.741326] ? _raw_spin_unlock+0x1e/0x40 [ 42.741975] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.742735] ? static_key_count+0x60/0x80 [ 42.743408] prctl_set_seccomp+0x4e/0x70 [ 42.744054] __do_sys_prctl+0xe6c/0x1d70 [ 42.744665] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.745370] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.746166] ? irqentry_exit+0xf3/0x650 [ 42.746769] do_syscall_64+0xbf/0x430 [ 42.747382] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.748163] RIP: 0033:0x7f38165925cd [ 42.748708] 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 [ 42.751329] RSP: 002b:00007ffe322fa330 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.752453] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f38165925cd [ 42.753515] RDX: 00005587adde0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.754573] RBP: 00007ffe322fa390 R08: 0000000000000000 R09: 00007ffe322f9a30 [ 42.755634] R10: 0000000000000000 R11: 0000000000000246 R12: 00005587b2ccabf0 [ 42.756689] R13: 00007ffe322fa7c0 R14: 00005587b2cd4380 R15: 00005587b2cdf460 [ 42.757762] [ 42.758138] irq event stamp: 3393 [ 42.758636] hardirqs last enabled at (3401): [] __up_console_sem+0x78/0x80 [ 42.759910] hardirqs last disabled at (3410): [] __up_console_sem+0x5d/0x80 [ 42.761165] softirqs last enabled at (2948): [] handle_softirqs+0x50c/0x770 [ 42.762436] softirqs last disabled at (2859): [] __irq_exit_rcu+0xc4/0x100 [ 42.763707] ---[ end trace 0000000000000000 ]--- [ 43.440528] ------------[ cut here ]------------ [ 43.441287] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.442944] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.444128] Modules linked in: [ 43.444614] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.446235] Tainted: [W]=WARN [ 43.446692] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.447902] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.448616] 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 [ 43.451231] RSP: 0018:ffff888016bdfbc0 EFLAGS: 00010286 [ 43.452034] RAX: 0000000000000000 RBX: ffffed1002d7bf78 RCX: ffffffff813a4050 [ 43.453088] RDX: ffff888016b68000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.454131] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d7bf2f [ 43.455184] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.456241] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016bdfdf8 [ 43.457296] FS: 00007f6983489900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.458474] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.459342] CR2: 00007ffd7ca2fef7 CR3: 000000000d5bf000 CR4: 0000000000350ef0 [ 43.460394] Call Trace: [ 43.460787] [ 43.461168] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.461926] ? __create_object+0x59/0x80 [ 43.462552] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.463380] __vmalloc_noprof+0x59/0x60 [ 43.464020] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.464724] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.465504] bpf_prog_alloc+0x39/0x200 [ 43.466121] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.466915] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.467643] do_seccomp+0x349/0x25e0 [ 43.468239] ? find_held_lock+0x2b/0x80 [ 43.468878] ? do_prlimit+0x310/0x610 [ 43.469470] ? __pfx_do_seccomp+0x10/0x10 [ 43.470135] ? do_raw_spin_unlock+0x53/0x220 [ 43.470855] ? _raw_spin_unlock+0x1e/0x40 [ 43.471487] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.472297] ? static_key_count+0x60/0x80 [ 43.472969] prctl_set_seccomp+0x4e/0x70 [ 43.473593] __do_sys_prctl+0xe6c/0x1d70 [ 43.474261] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.474998] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.475781] ? irqentry_exit+0xf3/0x650 [ 43.476427] do_syscall_64+0xbf/0x430 [ 43.477051] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.477853] RIP: 0033:0x7f698397b5cd [ 43.478412] 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 [ 43.481103] RSP: 002b:00007ffd7ca2d730 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.482258] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f698397b5cd [ 43.483352] RDX: 0000561131c36e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.484431] RBP: 00007ffd7ca2d790 R08: 0000000000000000 R09: 00007ffd7ca2ce30 [ 43.485512] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561136b70ad0 [ 43.486594] R13: 00007ffd7ca2dbc0 R14: 0000561136b71bc0 R15: 0000561136b82780 [ 43.487734] [ 43.488138] irq event stamp: 1745 [ 43.488671] hardirqs last enabled at (1753): [] __up_console_sem+0x78/0x80 [ 43.490002] hardirqs last disabled at (1762): [] __up_console_sem+0x5d/0x80 [ 43.491369] softirqs last enabled at (1544): [] handle_softirqs+0x50c/0x770 [ 43.492900] softirqs last disabled at (1539): [] __irq_exit_rcu+0xc4/0x100 [ 43.494396] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:48937' (ECDSA) to the list of known hosts. 2025/11/18 14:53:29 fuzzer started 2025/11/18 14:53:30 dialing manager at localhost:34383 2025/11/18 14:53:30 checking machine... 2025/11/18 14:53:30 checking revisions... [ 44.367887] kmemleak: Automatic memory scanning thread ended 2025/11/18 14:53:30 testing simple program... [ 44.446969] cgroup: Unknown subsys name 'net' [ 44.504544] cgroup: Unknown subsys name 'cpuset' [ 44.518501] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 14:53:29 Registers: info registers vcpu 0 RAX=0000000000002005 RBX=ffff8880177d1bc0 RCX=0000000000000001 RDX=0000000000000005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff8880177d2618 RSP=ffff88806ce088c8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff8880177d2690 R13=0000000000000003 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81527119 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 00007f38160a0900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f3816059008 CR3=000000000d0b7000 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=0000000000000000 RBX=0000000000000001 RCX=ffffffff8175a7c7 RDX=0000000000000000 RSI=0000000000000000 RDI=0000000000000001 RBP=ffffffff85e1ffe0 RSP=ffff88801708f828 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffffffff8175a716 R13=0000000000000000 R14=ffff888016f21bc0 R15=0000000000000cc0 RIP=ffffffff81528f45 RFL=00000206 [-----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 00007f50ef063900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f84cc123008 CR3=000000000d418000 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=ffffffffffff00000000000000000000 XMM02=ffffffffffff00000000000000000000 XMM03=00000000000000000000000000000000 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000073707574726174732064 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000