syzkaller login: [ 39.109038] ------------[ cut here ]------------ [ 39.109956] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.112004] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 39.113429] Modules linked in: [ 39.114114] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.116078] Tainted: [W]=WARN [ 39.116620] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.118059] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.118943] 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 [ 39.122102] RSP: 0018:ffff88800a37fbc0 EFLAGS: 00010286 [ 39.123064] RAX: 0000000000000000 RBX: ffffed100146ff78 RCX: ffffffff813a4050 [ 39.124343] RDX: ffff888019085340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.125600] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100146ff2f [ 39.126873] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.128132] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a37fdf8 [ 39.129393] FS: 00007fa759b78900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.130805] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.131880] CR2: 00007ffd79800ef8 CR3: 000000000af0c000 CR4: 0000000000350ef0 [ 39.133163] Call Trace: [ 39.133619] [ 39.134049] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.134937] ? __create_object+0x59/0x80 [ 39.135669] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.136635] __vmalloc_noprof+0x59/0x60 [ 39.137371] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.138226] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.139142] bpf_prog_alloc+0x39/0x200 [ 39.139876] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.140747] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.141634] do_seccomp+0x349/0x25e0 [ 39.142345] ? find_held_lock+0x2b/0x80 [ 39.143101] ? do_prlimit+0x310/0x610 [ 39.143804] ? __pfx_do_seccomp+0x10/0x10 [ 39.144627] ? do_raw_spin_unlock+0x53/0x220 [ 39.145450] ? _raw_spin_unlock+0x1e/0x40 [ 39.146237] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.147186] ? static_key_count+0x60/0x80 [ 39.147995] prctl_set_seccomp+0x4e/0x70 [ 39.148718] __do_sys_prctl+0xe6c/0x1d70 [ 39.149490] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.150341] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.151290] ? irqentry_exit+0xf3/0x650 [ 39.152060] do_syscall_64+0xbf/0x430 [ 39.152742] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.153669] RIP: 0033:0x7fa75a06a5cd [ 39.154362] 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 [ 39.157471] RSP: 002b:00007ffd797ff150 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.158807] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa75a06a5cd [ 39.160094] RDX: 00005584abd55e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.161358] RBP: 00007ffd797ff1b0 R08: 0000000000000000 R09: 00007ffd797fe850 [ 39.162622] R10: 0000000000000000 R11: 0000000000000246 R12: 00005584dc0d32b0 [ 39.163891] R13: 00007ffd797ff5e0 R14: 00005584dc0d5d20 R15: 00005584dc0e78d0 [ 39.165158] [ 39.165577] irq event stamp: 1737 [ 39.166218] hardirqs last enabled at (1747): [] __up_console_sem+0x78/0x80 [ 39.167711] hardirqs last disabled at (1756): [] __up_console_sem+0x5d/0x80 [ 39.169217] softirqs last enabled at (1658): [] handle_softirqs+0x50c/0x770 [ 39.170730] softirqs last disabled at (1653): [] __irq_exit_rcu+0xc4/0x100 [ 39.172212] ---[ end trace 0000000000000000 ]--- [ 42.419117] ------------[ cut here ]------------ [ 42.419912] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.421946] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/244 [ 42.423336] Modules linked in: [ 42.423918] CPU: 1 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.425791] Tainted: [W]=WARN [ 42.426449] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.427818] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.428663] 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 [ 42.431355] RSP: 0018:ffff88801732fbc0 EFLAGS: 00010286 [ 42.432196] RAX: 0000000000000000 RBX: ffffed1002e65f78 RCX: ffffffff813a4050 [ 42.433265] RDX: ffff88800ee28000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.434317] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e65f2f [ 42.435371] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.436471] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801732fdf8 [ 42.437532] FS: 00007f044d327900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.438719] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.439595] CR2: 00007ffc9b54def8 CR3: 000000000e821000 CR4: 0000000000350ef0 [ 42.440655] Call Trace: [ 42.441066] [ 42.441406] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.442226] ? __create_object+0x59/0x80 [ 42.443034] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.443939] __vmalloc_noprof+0x59/0x60 [ 42.444571] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.445376] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.446236] bpf_prog_alloc+0x39/0x200 [ 42.446814] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.447577] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.448328] do_seccomp+0x349/0x25e0 [ 42.448950] ? find_held_lock+0x2b/0x80 [ 42.449544] ? do_prlimit+0x310/0x610 [ 42.450155] ? __pfx_do_seccomp+0x10/0x10 [ 42.450765] ? do_raw_spin_unlock+0x53/0x220 [ 42.451449] ? _raw_spin_unlock+0x1e/0x40 [ 42.452089] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.452871] ? static_key_count+0x60/0x80 [ 42.453496] prctl_set_seccomp+0x4e/0x70 [ 42.454124] __do_sys_prctl+0xe6c/0x1d70 [ 42.454733] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.455439] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.456245] ? irqentry_exit+0xf3/0x650 [ 42.456870] do_syscall_64+0xbf/0x430 [ 42.457444] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.458228] RIP: 0033:0x7f044d8195cd [ 42.458779] 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 [ 42.461447] RSP: 002b:00007ffc9b54ca20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.462568] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f044d8195cd [ 42.463625] RDX: 0000561737ed6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.464688] RBP: 00007ffc9b54ca80 R08: 0000000000000000 R09: 00007ffc9b54c120 [ 42.465747] R10: 0000000000000000 R11: 0000000000000246 R12: 00005617438f4ad0 [ 42.466800] R13: 00007ffc9b54ceb0 R14: 00005617438f5bc0 R15: 0000561743906780 [ 42.467885] [ 42.468244] irq event stamp: 1789 [ 42.468751] hardirqs last enabled at (1797): [] __up_console_sem+0x78/0x80 [ 42.470003] hardirqs last disabled at (1806): [] __up_console_sem+0x5d/0x80 [ 42.471254] softirqs last enabled at (1564): [] handle_softirqs+0x50c/0x770 [ 42.472553] softirqs last disabled at (1557): [] __irq_exit_rcu+0xc4/0x100 [ 42.473810] ---[ end trace 0000000000000000 ]--- [ 43.409932] ------------[ cut here ]------------ [ 43.410927] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.413100] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/253 [ 43.414677] Modules linked in: [ 43.415349] CPU: 1 UID: 104 PID: 253 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.417778] Tainted: [W]=WARN [ 43.418500] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.420106] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.421090] 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 [ 43.424453] RSP: 0018:ffff8880177ffbc0 EFLAGS: 00010286 [ 43.425486] RAX: 0000000000000000 RBX: ffffed1002efff78 RCX: ffffffff813a4050 [ 43.426871] RDX: ffff8880167b5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.428284] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002efff2f [ 43.429642] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.431025] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880177ffdf8 [ 43.432448] FS: 00007ff878006900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.434028] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.435165] CR2: 00007ff8784f8580 CR3: 000000000cf61000 CR4: 0000000000350ef0 [ 43.436548] Call Trace: [ 43.437078] [ 43.437515] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.438479] ? __create_object+0x59/0x80 [ 43.439322] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.440372] __vmalloc_noprof+0x59/0x60 [ 43.441244] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.442185] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.443208] bpf_prog_alloc+0x39/0x200 [ 43.444050] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.445049] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.446017] do_seccomp+0x349/0x25e0 [ 43.446738] ? lock_release+0xc8/0x290 [ 43.447536] ? __pfx_do_seccomp+0x10/0x10 [ 43.448383] ? __schedule+0xf2c/0x3d40 [ 43.449188] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.450278] ? static_key_count+0x60/0x80 [ 43.451153] prctl_set_seccomp+0x4e/0x70 [ 43.452002] __do_sys_prctl+0xe6c/0x1d70 [ 43.452786] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.453594] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.454474] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.455363] ? irqentry_exit+0xf3/0x650 [ 43.456067] do_syscall_64+0xbf/0x430 [ 43.456709] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.457580] RIP: 0033:0x7ff8784f85cd [ 43.458266] 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 [ 43.461248] RSP: 002b:00007ffee30fb1e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.462510] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff8784f85cd [ 43.463683] RDX: 0000558de1fb7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.464879] RBP: 00007ffee30fb240 R08: 0000000000000000 R09: 00007ffee30fa8e0 [ 43.466077] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558df5089bf0 [ 43.467277] R13: 00007ffee30fb670 R14: 0000558df5093380 R15: 0000558df509e460 [ 43.468480] [ 43.468914] irq event stamp: 1795 [ 43.469470] hardirqs last enabled at (1803): [] __up_console_sem+0x78/0x80 [ 43.470860] hardirqs last disabled at (1812): [] __up_console_sem+0x5d/0x80 [ 43.472267] softirqs last enabled at (1752): [] handle_softirqs+0x50c/0x770 [ 43.473707] softirqs last disabled at (1747): [] __irq_exit_rcu+0xc4/0x100 [ 43.475146] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:54617' (ECDSA) to the list of known hosts. 2025/11/18 09:56:51 fuzzer started 2025/11/18 09:56:51 dialing manager at localhost:34383 2025/11/18 09:56:51 checking machine... 2025/11/18 09:56:51 checking revisions... [ 44.405452] kmemleak: Automatic memory scanning thread ended 2025/11/18 09:56:51 testing simple program... [ 44.507771] cgroup: Unknown subsys name 'net' [ 44.564592] cgroup: Unknown subsys name 'cpuset' [ 44.577349] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 09:56:50 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff888016a5f910 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000255cb R12=0000000000000002 R13=ffffffff8135e4bd R14=0000000000000000 R15=ffff888016a5fa18 RIP=ffffffff81b2ae54 RFL=00000297 [--S-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 00007f044d327900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f044d8df0b0 CR3=000000000e1f3000 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=ffffffffffffffffffffffff00000000 XMM01=000000000000000000005600746f6f72 XMM02=ff000000000000000000000000000000 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=000a687361622f6e69622f3a746f6f72 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffed100161bf65 RBX=dffffc0000000000 RCX=ffffffff84c5409b RDX=ffff888017285340 RSI=ffffffff818ef287 RDI=0000000000000001 RBP=ffffea00006dbd40 RSP=ffff88800b0df810 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=ffff88800b0dfb28 R13=0000000000000000 R14=ffff88800b0df858 R15=ffff88800b0dfdf0 RIP=ffffffff81751e08 RFL=00000286 [--S--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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f444177f298 CR3=000000000de94000 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=756e696c2d34365f3638782f62696c2f XMM01=5f69706173736762696c2f756e672d78 XMM02=00322e6f732e3562726b5f6970617373 XMM03=6762696c2f756e672d78756e696c2d34 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000