syzkaller login: [ 45.596243] ------------[ cut here ]------------ [ 45.597202] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.599224] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 45.600703] Modules linked in: [ 45.601400] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.603406] Tainted: [W]=WARN [ 45.603966] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.605481] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.606404] 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 [ 45.609611] RSP: 0018:ffff888016d37bc0 EFLAGS: 00010286 [ 45.610597] RAX: 0000000000000000 RBX: ffffed1002da6f78 RCX: ffffffff813a4050 [ 45.611898] RDX: ffff888015d3b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.613207] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002da6f2f [ 45.614502] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.615786] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d37df8 [ 45.617085] FS: 00007fdefad62900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.618693] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.619769] CR2: 00007fdefb254580 CR3: 000000000d986000 CR4: 0000000000350ef0 [ 45.621059] Call Trace: [ 45.621543] [ 45.621953] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.622866] ? __create_object+0x59/0x80 [ 45.623659] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.624631] __vmalloc_noprof+0x59/0x60 [ 45.625410] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.626301] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.627256] bpf_prog_alloc+0x39/0x200 [ 45.627951] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.628878] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.629798] do_seccomp+0x349/0x25e0 [ 45.630530] ? __pfx_css_rstat_updated+0x10/0x10 [ 45.631438] ? __pfx_do_seccomp+0x10/0x10 [ 45.632241] ? find_held_lock+0x2b/0x80 [ 45.632964] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.633942] ? static_key_count+0x60/0x80 [ 45.634764] prctl_set_seccomp+0x4e/0x70 [ 45.635540] __do_sys_prctl+0xe6c/0x1d70 [ 45.636342] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.637224] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.638204] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.639171] ? irqentry_exit+0xf3/0x650 [ 45.639906] do_syscall_64+0xbf/0x430 [ 45.640648] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.641618] RIP: 0033:0x7fdefb2545cd [ 45.642321] 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 [ 45.645517] RSP: 002b:00007fff070d5940 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.646884] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdefb2545cd [ 45.648178] RDX: 000055ea5e081e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.649479] RBP: 00007fff070d59a0 R08: 0000000000000000 R09: 00007fff070d5040 [ 45.650762] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ea98deabf0 [ 45.652057] R13: 00007fff070d5dd0 R14: 000055ea98df4380 R15: 000055ea98dff460 [ 45.653379] [ 45.653812] irq event stamp: 1777 [ 45.654470] hardirqs last enabled at (1787): [] __up_console_sem+0x78/0x80 [ 45.655994] hardirqs last disabled at (1796): [] __up_console_sem+0x5d/0x80 [ 45.657565] softirqs last enabled at (1324): [] handle_softirqs+0x50c/0x770 [ 45.659105] softirqs last disabled at (1319): [] __irq_exit_rcu+0xc4/0x100 [ 45.660628] ---[ end trace 0000000000000000 ]--- [ 48.547900] ------------[ cut here ]------------ [ 48.548864] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.550929] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 48.552468] Modules linked in: [ 48.553113] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 48.555173] Tainted: [W]=WARN [ 48.555728] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.557204] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.558109] 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 [ 48.561326] RSP: 0018:ffff8880177e7bc0 EFLAGS: 00010286 [ 48.562317] RAX: 0000000000000000 RBX: ffffed1002efcf78 RCX: ffffffff813a4050 [ 48.563620] RDX: ffff8880158e5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.564916] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002efcf2f [ 48.566226] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.567519] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880177e7df8 [ 48.568811] FS: 00007f3ed848b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 48.570265] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.571339] CR2: 00007ffe60954ef7 CR3: 000000001f3e0000 CR4: 0000000000350ef0 [ 48.572627] Call Trace: [ 48.573130] [ 48.573552] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.574442] ? __create_object+0x59/0x80 [ 48.575243] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.576215] __vmalloc_noprof+0x59/0x60 [ 48.576929] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.577803] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.578742] bpf_prog_alloc+0x39/0x200 [ 48.579477] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.580403] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.581326] do_seccomp+0x349/0x25e0 [ 48.582049] ? find_held_lock+0x2b/0x80 [ 48.582794] ? do_prlimit+0x310/0x610 [ 48.583538] ? __pfx_do_seccomp+0x10/0x10 [ 48.584326] ? do_raw_spin_unlock+0x53/0x220 [ 48.585164] ? _raw_spin_unlock+0x1e/0x40 [ 48.585916] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.586877] ? static_key_count+0x60/0x80 [ 48.587675] prctl_set_seccomp+0x4e/0x70 [ 48.588442] __do_sys_prctl+0xe6c/0x1d70 [ 48.589212] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.590099] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.591086] ? irqentry_exit+0xf3/0x650 [ 48.591811] do_syscall_64+0xbf/0x430 [ 48.592568] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.593547] RIP: 0033:0x7f3ed897d5cd [ 48.594258] 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 [ 48.597462] RSP: 002b:00007ffe609533b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.598801] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3ed897d5cd [ 48.600082] RDX: 000055eb52f0be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.601398] RBP: 00007ffe60953410 R08: 0000000000000000 R09: 00007ffe60952ab0 [ 48.602685] R10: 0000000000000000 R11: 0000000000000246 R12: 000055eb658d2240 [ 48.603982] R13: 00007ffe60953840 R14: 000055eb658db380 R15: 000055eb658e6540 [ 48.605337] [ 48.605754] irq event stamp: 1833 [ 48.606403] hardirqs last enabled at (1843): [] __up_console_sem+0x78/0x80 [ 48.607905] hardirqs last disabled at (1852): [] __up_console_sem+0x5d/0x80 [ 48.609436] softirqs last enabled at (1706): [] handle_softirqs+0x50c/0x770 [ 48.610978] softirqs last disabled at (1691): [] __irq_exit_rcu+0xc4/0x100 [ 48.612498] ---[ end trace 0000000000000000 ]--- [ 49.419294] ------------[ cut here ]------------ [ 49.420258] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.422300] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 49.423768] Modules linked in: [ 49.424430] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.426631] Tainted: [W]=WARN [ 49.427318] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.428772] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.429702] 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 [ 49.432806] RSP: 0018:ffff88800a307bc0 EFLAGS: 00010286 [ 49.433822] RAX: 0000000000000000 RBX: ffffed1001460f78 RCX: ffffffff813a4050 [ 49.435101] RDX: ffff888015a39bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.436381] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001460f2f [ 49.437687] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.438954] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a307df8 [ 49.440243] FS: 00007f14c9e98900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.441699] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.442756] CR2: 00007ffe0bbcbef7 CR3: 000000000cc2f000 CR4: 0000000000350ef0 [ 49.444037] Call Trace: [ 49.444499] [ 49.444889] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.445806] ? __create_object+0x59/0x80 [ 49.446596] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.447565] __vmalloc_noprof+0x59/0x60 [ 49.448338] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.449238] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.450201] bpf_prog_alloc+0x39/0x200 [ 49.451147] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.452317] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.453463] do_seccomp+0x349/0x25e0 [ 49.454368] ? find_held_lock+0x2b/0x80 [ 49.455320] ? do_prlimit+0x310/0x610 [ 49.456270] ? __pfx_do_seccomp+0x10/0x10 [ 49.457228] ? do_raw_spin_unlock+0x53/0x220 [ 49.457993] ? _raw_spin_unlock+0x1e/0x40 [ 49.458793] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.459771] ? static_key_count+0x60/0x80 [ 49.460569] prctl_set_seccomp+0x4e/0x70 [ 49.461373] __do_sys_prctl+0xe6c/0x1d70 [ 49.462179] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.462961] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.463945] ? irqentry_exit+0xf3/0x650 [ 49.464710] do_syscall_64+0xbf/0x430 [ 49.465480] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.466438] RIP: 0033:0x7f14ca38a5cd [ 49.467154] 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 [ 49.470271] RSP: 002b:00007ffe0bbcab80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.471638] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f14ca38a5cd [ 49.472915] RDX: 000055ba55486e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.474247] RBP: 00007ffe0bbcabe0 R08: 0000000000000000 R09: 00007ffe0bbca280 [ 49.475532] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ba7bdc7ad0 [ 49.476782] R13: 00007ffe0bbcb010 R14: 000055ba7bdc8bc0 R15: 000055ba7bdd9780 [ 49.478102] [ 49.478524] irq event stamp: 1883 [ 49.479197] hardirqs last enabled at (1893): [] __up_console_sem+0x78/0x80 [ 49.480703] hardirqs last disabled at (1902): [] __up_console_sem+0x5d/0x80 [ 49.482258] softirqs last enabled at (1842): [] handle_softirqs+0x50c/0x770 [ 49.483676] softirqs last disabled at (1837): [] __irq_exit_rcu+0xc4/0x100 [ 49.484918] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:17410' (ECDSA) to the list of known hosts. 2025/11/17 21:05:53 fuzzer started 2025/11/17 21:05:54 dialing manager at localhost:37895 2025/11/17 21:05:54 checking machine... 2025/11/17 21:05:54 checking revisions... [ 50.389615] kmemleak: Automatic memory scanning thread ended 2025/11/17 21:05:54 testing simple program... [ 50.475130] cgroup: Unknown subsys name 'net' [ 50.519314] cgroup: Unknown subsys name 'cpuset' [ 50.534155] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 21:05:53 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888009627810 RCX=0000000000000001 RDX=0000000000000000 RSI=0000000000000000 RDI=0000000000000001 RBP=ffffffff85e1ffe0 RSP=ffff888009627700 R8 =0000000000000001 R9 =ffff888009627850 R10=000000000003c9ed R11=0000000000006e2e R12=ffffffff8135e7a2 R13=ffff888009627858 R14=ffff888009611bc0 R15=ffff888009627810 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 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=00007ffe6094d000 CR3=000000001f3d6000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000213b2cb8e4 RBX=0000000000000000 RCX=00000000000006e0 RDX=0000000000000021 RSI=ffff88806cf23b00 RDI=00000000000523b0 RBP=ffff88806cf23b00 RSP=ffff88806cf08ed8 R8 =0000000000000001 R9 =0000000000000000 R10=00000000000eb62c R11=0000000000000001 R12=00000000000523b0 R13=0000000000000000 R14=0000000000000000 R15=ffff88806cf28500 RIP=ffffffff8132e865 RFL=00000016 [----AP-] 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f50229f8000 CR3=000000000dd8e000 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=bc431403cf329faf1747a7dec95876e6 XMM02=00000000003044e0eff9b2d0a8fce9cb XMM03=00000000003045b02c67c8bc2e329bc3 XMM04=f8294f541ba84e6b00000000000ae988 XMM05=c9232028fae015010000000000321830 XMM06=5b75c91c8044534200000000003208d0 XMM07=e042d86d42eb936e0000000000311ba8 XMM08=3be4ccec980ee8a500000000003045b0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000