syzkaller login: [ 46.100858] ------------[ cut here ]------------ [ 46.101791] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.103821] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/235 [ 46.105313] Modules linked in: [ 46.105961] CPU: 1 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.108048] Tainted: [W]=WARN [ 46.108613] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.110108] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.111023] 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 [ 46.114250] RSP: 0018:ffff88801973fbc0 EFLAGS: 00010286 [ 46.115245] RAX: 0000000000000000 RBX: ffffed10032e7f78 RCX: ffffffff813a4050 [ 46.116556] RDX: ffff888016ca3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.117867] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10032e7f2f [ 46.119195] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.120476] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801973fdf8 [ 46.121770] FS: 00007fb1b1573900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.123232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.124293] CR2: 00007fb1b1a65580 CR3: 000000000d6af000 CR4: 0000000000350ef0 [ 46.125585] Call Trace: [ 46.126108] [ 46.126525] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.127463] ? __create_object+0x59/0x80 [ 46.128281] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.129279] __vmalloc_noprof+0x59/0x60 [ 46.130053] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.130935] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.131853] bpf_prog_alloc+0x39/0x200 [ 46.132606] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.133553] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.134481] do_seccomp+0x349/0x25e0 [ 46.135216] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.136129] ? __pfx_do_seccomp+0x10/0x10 [ 46.136950] ? find_held_lock+0x2b/0x80 [ 46.137678] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.138642] ? static_key_count+0x60/0x80 [ 46.139477] prctl_set_seccomp+0x4e/0x70 [ 46.140267] __do_sys_prctl+0xe6c/0x1d70 [ 46.141070] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.141934] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.142865] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.143852] ? irqentry_exit+0xf3/0x650 [ 46.144628] do_syscall_64+0xbf/0x430 [ 46.145391] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.146355] RIP: 0033:0x7fb1b1a655cd [ 46.147064] 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 [ 46.150269] RSP: 002b:00007ffe42836fd0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.151668] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb1b1a655cd [ 46.152958] RDX: 00005579ddb92e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.154250] RBP: 00007ffe42837030 R08: 0000000000000000 R09: 00007ffe428366d0 [ 46.155566] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557a043bdad0 [ 46.156859] R13: 00007ffe42837460 R14: 0000557a043bebc0 R15: 0000557a043cf780 [ 46.158201] [ 46.158635] irq event stamp: 1809 [ 46.159303] hardirqs last enabled at (1819): [] __up_console_sem+0x78/0x80 [ 46.160837] hardirqs last disabled at (1828): [] __up_console_sem+0x5d/0x80 [ 46.162408] softirqs last enabled at (1652): [] handle_softirqs+0x50c/0x770 [ 46.163992] softirqs last disabled at (1647): [] __irq_exit_rcu+0xc4/0x100 [ 46.165525] ---[ end trace 0000000000000000 ]--- [ 49.511751] ------------[ cut here ]------------ [ 49.512802] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.515049] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 49.516683] Modules linked in: [ 49.517378] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.519634] Tainted: [W]=WARN [ 49.520355] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.522021] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.523317] 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 [ 49.527008] RSP: 0018:ffff888016997bc0 EFLAGS: 00010286 [ 49.528127] RAX: 0000000000000000 RBX: ffffed1002d32f78 RCX: ffffffff813a4050 [ 49.529573] RDX: ffff88801b780000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.531012] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d32f2f [ 49.532463] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.533912] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016997df8 [ 49.535386] FS: 00007f287595c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.537009] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.538199] CR2: 00007ffc17402ef8 CR3: 000000000e458000 CR4: 0000000000350ef0 [ 49.539667] Call Trace: [ 49.540236] [ 49.540698] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.541697] ? __create_object+0x59/0x80 [ 49.542570] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.543664] __vmalloc_noprof+0x59/0x60 [ 49.544513] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.545490] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.546540] bpf_prog_alloc+0x39/0x200 [ 49.547378] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.548438] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.549444] do_seccomp+0x349/0x25e0 [ 49.550253] ? find_held_lock+0x2b/0x80 [ 49.551097] ? do_prlimit+0x310/0x610 [ 49.551935] ? __pfx_do_seccomp+0x10/0x10 [ 49.552770] ? do_raw_spin_unlock+0x53/0x220 [ 49.553703] ? _raw_spin_unlock+0x1e/0x40 [ 49.554559] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.555637] ? static_key_count+0x60/0x80 [ 49.556533] prctl_set_seccomp+0x4e/0x70 [ 49.557396] __do_sys_prctl+0xe6c/0x1d70 [ 49.558262] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.559210] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.560300] ? irqentry_exit+0xf3/0x650 [ 49.561165] do_syscall_64+0xbf/0x430 [ 49.561994] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.563051] RIP: 0033:0x7f2875e4e5cd [ 49.563800] 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 [ 49.567357] RSP: 002b:00007ffc174018f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.568897] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2875e4e5cd [ 49.570317] RDX: 0000556377a51e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.571768] RBP: 00007ffc17401950 R08: 0000000000000000 R09: 00007ffc17400ff0 [ 49.573209] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556390d0bad0 [ 49.574603] R13: 00007ffc17401d80 R14: 0000556390d0cbc0 R15: 0000556390d1d780 [ 49.576058] [ 49.576524] irq event stamp: 1817 [ 49.577240] hardirqs last enabled at (1827): [] __up_console_sem+0x78/0x80 [ 49.578921] hardirqs last disabled at (1836): [] __up_console_sem+0x5d/0x80 [ 49.580465] softirqs last enabled at (1368): [] handle_softirqs+0x50c/0x770 [ 49.581941] softirqs last disabled at (1345): [] __irq_exit_rcu+0xc4/0x100 [ 49.583371] ---[ end trace 0000000000000000 ]--- [ 50.439522] ------------[ cut here ]------------ [ 50.440475] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.442455] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 50.443929] Modules linked in: [ 50.444510] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.446469] Tainted: [W]=WARN [ 50.447070] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.448553] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.449474] 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 [ 50.452653] RSP: 0018:ffff88800f49fbc0 EFLAGS: 00010286 [ 50.453628] RAX: 0000000000000000 RBX: ffffed1001e93f78 RCX: ffffffff813a4050 [ 50.454917] RDX: ffff888016ca5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.456208] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e93f2f [ 50.457494] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.458786] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f49fdf8 [ 50.460082] FS: 00007f2872fc3900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.461517] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.462584] CR2: 00007f28734b5580 CR3: 000000001f6ee000 CR4: 0000000000350ef0 [ 50.463906] Call Trace: [ 50.464365] [ 50.464766] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.465670] ? __create_object+0x59/0x80 [ 50.466444] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.467438] __vmalloc_noprof+0x59/0x60 [ 50.468197] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.469063] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.469988] bpf_prog_alloc+0x39/0x200 [ 50.470682] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.471630] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.472516] do_seccomp+0x349/0x25e0 [ 50.473227] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.474117] ? __pfx_do_seccomp+0x10/0x10 [ 50.474860] ? find_held_lock+0x2b/0x80 [ 50.475625] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.476596] ? static_key_count+0x60/0x80 [ 50.477391] prctl_set_seccomp+0x4e/0x70 [ 50.478156] __do_sys_prctl+0xe6c/0x1d70 [ 50.478937] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.479754] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.480709] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.481662] ? irqentry_exit+0xf3/0x650 [ 50.482433] do_syscall_64+0xbf/0x430 [ 50.483181] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.484138] RIP: 0033:0x7f28734b55cd [ 50.484791] 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 [ 50.488003] RSP: 002b:00007ffe85460bb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.489353] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f28734b55cd [ 50.490632] RDX: 0000564a7ca65e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.491922] RBP: 00007ffe85460c10 R08: 0000000000000000 R09: 00007ffe854602b0 [ 50.493221] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564ab49b7ad0 [ 50.494511] R13: 00007ffe85461040 R14: 0000564ab49b8bc0 R15: 0000564ab49c9780 [ 50.495826] [ 50.496292] irq event stamp: 1713 [ 50.496941] hardirqs last enabled at (1723): [] __up_console_sem+0x78/0x80 [ 50.498473] hardirqs last disabled at (1732): [] __up_console_sem+0x5d/0x80 [ 50.500005] softirqs last enabled at (1634): [] handle_softirqs+0x50c/0x770 [ 50.501547] softirqs last disabled at (1629): [] __irq_exit_rcu+0xc4/0x100 [ 50.503058] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:42525' (ECDSA) to the list of known hosts. 2025/11/18 09:48:48 fuzzer started 2025/11/18 09:48:49 dialing manager at localhost:34383 2025/11/18 09:48:49 checking machine... 2025/11/18 09:48:49 checking revisions... [ 51.418857] kmemleak: Automatic memory scanning thread ended 2025/11/18 09:48:49 testing simple program... [ 51.507579] cgroup: Unknown subsys name 'net' [ 51.556726] cgroup: Unknown subsys name 'cpuset' [ 51.575931] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 09:48:48 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=ffffffff81cc7d00 RDX=0000000000000000 RSI=ffff88801572d860 RDI=ffffea00005dd840 RBP=0000000000000000 RSP=ffff88800718fa58 R8 =0000000000000000 R9 =fffff940000bbb08 R10=0000000000001000 R11=0000000000000001 R12=ffffea00005dd840 R13=0000000000000000 R14=0000000000001000 R15=0000000000001000 RIP=ffffffff81cc0962 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fa33eab8900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fa33e1d0008 CR3=000000000d6c5000 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=454d49544c4145525f454352554f535f XMM01=3d504d415453454d49545f454d49544c XMM02=ffffffffffffffffffffffffffffffff XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=9b3b213d38550fd200000000000ae988 XMM05=956fed30171e6f2d0000000000321c48 XMM06=090f1556b20111b30000000000320378 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff85f10a38 RBX=ffff8880137ab780 RCX=0000000000000000 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85f10a38 RBP=ffffffff85f10a38 RSP=ffff88801946fb58 R8 =0000000000000001 R9 =0000000000000001 R10=0000000000000001 R11=0000000000000000 R12=0000000000000000 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81526f24 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 00007f287595c900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc173fb000 CR3=000000001f739000 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