syzkaller login: [ 46.291626] ------------[ cut here ]------------ [ 46.292540] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.294547] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 46.295995] Modules linked in: [ 46.296602] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.298657] Tainted: [W]=WARN [ 46.299249] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.300701] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.301610] 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 [ 46.304764] RSP: 0018:ffff888016b7fbc0 EFLAGS: 00010286 [ 46.305818] RAX: 0000000000000000 RBX: ffffed1002d6ff78 RCX: ffffffff813a4050 [ 46.307111] RDX: ffff888014623780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.308403] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d6ff2f [ 46.309686] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.310971] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016b7fdf8 [ 46.312239] FS: 00007f8f5b417900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.313680] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.314738] CR2: 00007ffdedcdeef7 CR3: 000000001432a000 CR4: 0000000000350ef0 [ 46.316021] Call Trace: [ 46.316480] [ 46.316934] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.317826] ? __create_object+0x59/0x80 [ 46.318562] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.319522] __vmalloc_noprof+0x59/0x60 [ 46.320264] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.321139] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.322059] bpf_prog_alloc+0x39/0x200 [ 46.322754] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.323670] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.324563] do_seccomp+0x349/0x25e0 [ 46.325283] ? find_held_lock+0x2b/0x80 [ 46.326042] ? do_prlimit+0x310/0x610 [ 46.326735] ? __pfx_do_seccomp+0x10/0x10 [ 46.327522] ? do_raw_spin_unlock+0x53/0x220 [ 46.328350] ? _raw_spin_unlock+0x1e/0x40 [ 46.329136] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.330094] ? static_key_count+0x60/0x80 [ 46.330904] prctl_set_seccomp+0x4e/0x70 [ 46.331629] __do_sys_prctl+0xe6c/0x1d70 [ 46.332409] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.333256] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.334230] ? irqentry_exit+0xf3/0x650 [ 46.334999] do_syscall_64+0xbf/0x430 [ 46.335693] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.336638] RIP: 0033:0x7f8f5b9095cd [ 46.337360] 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 [ 46.340502] RSP: 002b:00007ffdedcdd850 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.341867] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8f5b9095cd [ 46.343149] RDX: 00005619dbdc4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.344428] RBP: 00007ffdedcdd8b0 R08: 0000000000000000 R09: 00007ffdedcdcf50 [ 46.345723] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561a07a35240 [ 46.347003] R13: 00007ffdedcddce0 R14: 0000561a07a3e380 R15: 0000561a07a49540 [ 46.348310] [ 46.348732] irq event stamp: 1753 [ 46.349397] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 46.350944] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80 [ 46.352480] softirqs last enabled at (1732): [] handle_softirqs+0x50c/0x770 [ 46.354035] softirqs last disabled at (1727): [] __irq_exit_rcu+0xc4/0x100 [ 46.355545] ---[ end trace 0000000000000000 ]--- [ 49.586450] ------------[ cut here ]------------ [ 49.587376] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.589437] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 49.590881] Modules linked in: [ 49.591487] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.593489] Tainted: [W]=WARN [ 49.594081] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.595561] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.596468] 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 [ 49.599633] RSP: 0018:ffff888018487bc0 EFLAGS: 00010286 [ 49.600612] RAX: 0000000000000000 RBX: ffffed1003090f78 RCX: ffffffff813a4050 [ 49.601902] RDX: ffff8880170c0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.603184] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003090f2f [ 49.604468] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.605762] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018487df8 [ 49.607061] FS: 00007f87a7b9f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.608503] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.609578] CR2: 00007ffe10c9cef7 CR3: 000000000e2ee000 CR4: 0000000000350ef0 [ 49.610892] Call Trace: [ 49.611358] [ 49.611761] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.612667] ? __create_object+0x59/0x80 [ 49.613471] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.614432] __vmalloc_noprof+0x59/0x60 [ 49.615187] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.616057] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.616991] bpf_prog_alloc+0x39/0x200 [ 49.617678] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.618596] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.619488] do_seccomp+0x349/0x25e0 [ 49.620188] ? find_held_lock+0x2b/0x80 [ 49.620955] ? do_prlimit+0x310/0x610 [ 49.621656] ? __pfx_do_seccomp+0x10/0x10 [ 49.622436] ? do_raw_spin_unlock+0x53/0x220 [ 49.623278] ? _raw_spin_unlock+0x1e/0x40 [ 49.624062] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.625026] ? static_key_count+0x60/0x80 [ 49.625824] prctl_set_seccomp+0x4e/0x70 [ 49.626542] __do_sys_prctl+0xe6c/0x1d70 [ 49.627315] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.628162] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.629137] ? irqentry_exit+0xf3/0x650 [ 49.629890] do_syscall_64+0xbf/0x430 [ 49.630588] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.631535] RIP: 0033:0x7f87a80915cd [ 49.632223] 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 [ 49.635374] RSP: 002b:00007ffe10c9ae60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.636746] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f87a80915cd [ 49.638065] RDX: 000055a3c82dde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.639348] RBP: 00007ffe10c9aec0 R08: 0000000000000000 R09: 00007ffe10c9a560 [ 49.640642] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a3ee25cbf0 [ 49.641954] R13: 00007ffe10c9b2f0 R14: 000055a3ee266380 R15: 000055a3ee271460 [ 49.643260] [ 49.643688] irq event stamp: 1715 [ 49.644331] hardirqs last enabled at (1725): [] __up_console_sem+0x78/0x80 [ 49.645862] hardirqs last disabled at (1734): [] __up_console_sem+0x5d/0x80 [ 49.647369] softirqs last enabled at (1694): [] handle_softirqs+0x50c/0x770 [ 49.648941] softirqs last disabled at (1689): [] __irq_exit_rcu+0xc4/0x100 [ 49.650039] ---[ end trace 0000000000000000 ]--- [ 50.401994] ------------[ cut here ]------------ [ 50.402749] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.404439] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 50.405657] Modules linked in: [ 50.406201] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.407847] Tainted: [W]=WARN [ 50.408304] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.409724] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.410492] 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 [ 50.413140] RSP: 0018:ffff88800f0ffbc0 EFLAGS: 00010286 [ 50.413950] RAX: 0000000000000000 RBX: ffffed1001e1ff78 RCX: ffffffff813a4050 [ 50.415016] RDX: ffff8880170c3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.416085] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e1ff2f [ 50.417157] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.418219] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f0ffdf8 [ 50.419296] FS: 00007f3a3cd87900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.420494] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.421388] CR2: 00007ffc0571cef7 CR3: 000000001f7cd000 CR4: 0000000000350ef0 [ 50.422453] Call Trace: [ 50.422861] [ 50.423207] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.423958] ? __create_object+0x59/0x80 [ 50.424573] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.425377] __vmalloc_noprof+0x59/0x60 [ 50.426001] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.426683] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.427458] bpf_prog_alloc+0x39/0x200 [ 50.428062] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.428829] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.429545] do_seccomp+0x349/0x25e0 [ 50.430146] ? find_held_lock+0x2b/0x80 [ 50.430734] ? do_prlimit+0x310/0x610 [ 50.431338] ? __pfx_do_seccomp+0x10/0x10 [ 50.431981] ? do_raw_spin_unlock+0x53/0x220 [ 50.432634] ? _raw_spin_unlock+0x1e/0x40 [ 50.433293] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.434088] ? static_key_count+0x60/0x80 [ 50.434708] prctl_set_seccomp+0x4e/0x70 [ 50.435347] __do_sys_prctl+0xe6c/0x1d70 [ 50.435990] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.436666] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.437478] ? irqentry_exit+0xf3/0x650 [ 50.438113] do_syscall_64+0xbf/0x430 [ 50.438692] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.439485] RIP: 0033:0x7f3a3d2795cd [ 50.440062] 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 [ 50.442699] RSP: 002b:00007ffc0571a610 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.443878] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3a3d2795cd [ 50.444970] RDX: 000056547d810e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.446033] RBP: 00007ffc0571a670 R08: 0000000000000000 R09: 00007ffc05719d10 [ 50.447098] R10: 0000000000000000 R11: 0000000000000246 R12: 000056549fc6bad0 [ 50.448163] R13: 00007ffc0571aaa0 R14: 000056549fc6cbc0 R15: 000056549fc7d780 [ 50.449425] [ 50.449824] irq event stamp: 1753 [ 50.450327] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 50.451587] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 50.452862] softirqs last enabled at (1690): [] handle_softirqs+0x50c/0x770 [ 50.454158] softirqs last disabled at (1675): [] __irq_exit_rcu+0xc4/0x100 [ 50.455408] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:65147' (ECDSA) to the list of known hosts. 2025/11/18 18:36:56 fuzzer started 2025/11/18 18:36:57 dialing manager at localhost:34383 2025/11/18 18:36:57 checking machine... 2025/11/18 18:36:57 checking revisions... [ 51.358494] kmemleak: Automatic memory scanning thread ended 2025/11/18 18:36:57 testing simple program... [ 51.461452] cgroup: Unknown subsys name 'net' [ 51.541603] cgroup: Unknown subsys name 'cpuset' [ 51.561128] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 18:36:56 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888016863780 RCX=ffffffff87cecb40 RDX=0000000000000008 RSI=ffff888016864200 RDI=ffff888016863780 RBP=ffff888016863780 RSP=ffff88806ce08828 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888016864200 R13=0000000000000001 R14=0000000000000000 R15=0000000000000003 RIP=ffffffff81526569 RFL=00000097 [--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 00007f87a7b9f900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5e00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f87a8156618 CR3=000000001fc60000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff88800bed02d0 RBX=ffff888009757cb8 RCX=1ffff110017da05a RDX=dffffc0000000000 RSI=ffffffff85e1fec0 RDI=ffff888009757cc8 RBP=ffff88800bbb22d0 RSP=ffff888009757c28 R8 =0000000000000001 R9 =0000000000000001 R10=ffffffff8664f857 R11=0000000000000000 R12=0000000000000004 R13=ffff888009757cb8 R14=ffffffff815d6c93 R15=0000000000000003 RIP=ffffffff815dcc94 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 =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 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f87a8154650 CR3=000000000d82a000 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=c14068c65a50a79dfd4fafcae9a06f7c XMM02=00000000003042f8eff9b2d0a8fce9cb XMM03=00000000003043c82c67c8bc2e329bc3 XMM04=e0a6e5bb0d14fdae00000000000ae988 XMM05=5a97fd548f90930e00000000003216b0 XMM06=5b75c91c80445342000000000031ffe8 XMM07=e042d86d42eb936e00000000003112a8 XMM08=b2d9bcaae28cab4000000000003043c8 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000