syzkaller login: [ 45.798673] ------------[ cut here ]------------ [ 45.799619] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.802073] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/237 [ 45.803577] Modules linked in: [ 45.804220] CPU: 0 UID: 104 PID: 237 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.806273] Tainted: [W]=WARN [ 45.806828] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.808314] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.809215] 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 [ 45.812401] RSP: 0018:ffff8880160d7bc0 EFLAGS: 00010286 [ 45.813391] RAX: 0000000000000000 RBX: ffffed1002c1af78 RCX: ffffffff813a4050 [ 45.814676] RDX: ffff888015a60000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.815964] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c1af2f [ 45.817269] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.818568] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880160d7df8 [ 45.819857] FS: 00007fe82dee0900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.821310] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.822381] CR2: 00007ffcd19c0ef8 CR3: 000000001c5f6000 CR4: 0000000000350ef0 [ 45.823682] Call Trace: [ 45.824177] [ 45.824592] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.825503] ? __create_object+0x59/0x80 [ 45.826321] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.827302] __vmalloc_noprof+0x59/0x60 [ 45.828004] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.828877] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.829815] bpf_prog_alloc+0x39/0x200 [ 45.830563] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.831493] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.832415] do_seccomp+0x349/0x25e0 [ 45.833084] ? find_held_lock+0x2b/0x80 [ 45.833852] ? do_prlimit+0x310/0x610 [ 45.834611] ? __pfx_do_seccomp+0x10/0x10 [ 45.835404] ? do_raw_spin_unlock+0x53/0x220 [ 45.836255] ? _raw_spin_unlock+0x1e/0x40 [ 45.837005] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.837983] ? static_key_count+0x60/0x80 [ 45.838773] prctl_set_seccomp+0x4e/0x70 [ 45.839549] __do_sys_prctl+0xe6c/0x1d70 [ 45.840347] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.841223] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.842216] ? irqentry_exit+0xf3/0x650 [ 45.842947] do_syscall_64+0xbf/0x430 [ 45.843699] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.844660] RIP: 0033:0x7fe82e3d25cd [ 45.845373] 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 [ 45.848512] RSP: 002b:00007ffcd19bec20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.849856] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe82e3d25cd [ 45.851104] RDX: 0000560860f03e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.852396] RBP: 00007ffcd19bec80 R08: 0000000000000000 R09: 00007ffcd19be320 [ 45.853649] R10: 0000000000000000 R11: 0000000000000246 R12: 00005608758cbad0 [ 45.854902] R13: 00007ffcd19bf0b0 R14: 00005608758ccbc0 R15: 00005608758dd780 [ 45.856172] [ 45.856587] irq event stamp: 1715 [ 45.857225] hardirqs last enabled at (1725): [] __up_console_sem+0x78/0x80 [ 45.858744] hardirqs last disabled at (1734): [] __up_console_sem+0x5d/0x80 [ 45.860229] softirqs last enabled at (1606): [] handle_softirqs+0x50c/0x770 [ 45.861758] softirqs last disabled at (1601): [] __irq_exit_rcu+0xc4/0x100 [ 45.863142] ---[ end trace 0000000000000000 ]--- [ 48.712294] ------------[ cut here ]------------ [ 48.713200] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.715188] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/244 [ 48.716618] Modules linked in: [ 48.717304] CPU: 0 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 48.719245] Tainted: [W]=WARN [ 48.719780] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.721217] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.722073] 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 [ 48.725198] RSP: 0018:ffff8880164d7bc0 EFLAGS: 00010286 [ 48.726195] RAX: 0000000000000000 RBX: ffffed1002c9af78 RCX: ffffffff813a4050 [ 48.727455] RDX: ffff888016715340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.728713] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c9af2f [ 48.729978] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.731265] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880164d7df8 [ 48.732553] FS: 00007f871a807900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 48.733989] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.735049] CR2: 00007ffe303e0ef8 CR3: 000000000d4dc000 CR4: 0000000000350ef0 [ 48.736348] Call Trace: [ 48.736804] [ 48.737265] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.738167] ? __create_object+0x59/0x80 [ 48.738887] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.739885] __vmalloc_noprof+0x59/0x60 [ 48.740679] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.741553] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.742518] bpf_prog_alloc+0x39/0x200 [ 48.743271] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.744201] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.745046] do_seccomp+0x349/0x25e0 [ 48.745780] ? find_held_lock+0x2b/0x80 [ 48.746543] ? do_prlimit+0x310/0x610 [ 48.747277] ? __pfx_do_seccomp+0x10/0x10 [ 48.748015] ? do_raw_spin_unlock+0x53/0x220 [ 48.748846] ? _raw_spin_unlock+0x1e/0x40 [ 48.749621] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.750609] ? static_key_count+0x60/0x80 [ 48.751400] prctl_set_seccomp+0x4e/0x70 [ 48.752172] __do_sys_prctl+0xe6c/0x1d70 [ 48.752903] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.753772] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.754754] ? irqentry_exit+0xf3/0x650 [ 48.755520] do_syscall_64+0xbf/0x430 [ 48.756263] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.757211] RIP: 0033:0x7f871acf95cd [ 48.757876] 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 [ 48.761020] RSP: 002b:00007ffe303dead0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.762394] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f871acf95cd [ 48.763678] RDX: 0000556b20ba7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.764983] RBP: 00007ffe303deb30 R08: 0000000000000000 R09: 00007ffe303de1d0 [ 48.766268] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556b24c7e2b0 [ 48.767543] R13: 00007ffe303def60 R14: 0000556b24c80d20 R15: 0000556b24c928d0 [ 48.768842] [ 48.769316] irq event stamp: 1773 [ 48.769967] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 48.771501] hardirqs last disabled at (1790): [] __up_console_sem+0x5d/0x80 [ 48.773013] softirqs last enabled at (1730): [] handle_softirqs+0x50c/0x770 [ 48.774562] softirqs last disabled at (1725): [] __irq_exit_rcu+0xc4/0x100 [ 48.776065] ---[ end trace 0000000000000000 ]--- [ 49.545816] ------------[ cut here ]------------ [ 49.546767] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.548802] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 49.550286] Modules linked in: [ 49.550888] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.552844] Tainted: [W]=WARN [ 49.553514] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.555384] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.556369] 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 [ 49.559547] RSP: 0018:ffff88801a5afbc0 EFLAGS: 00010286 [ 49.560523] RAX: 0000000000000000 RBX: ffffed10034b5f78 RCX: ffffffff813a4050 [ 49.561798] RDX: ffff88801640b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.563082] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034b5f2f [ 49.564350] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.565611] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a5afdf8 [ 49.566897] FS: 00007f2fbfc9b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.568306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.569378] CR2: 00007ffdc8035ef8 CR3: 000000001d823000 CR4: 0000000000350ef0 [ 49.570668] Call Trace: [ 49.571170] [ 49.571583] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.572484] ? __create_object+0x59/0x80 [ 49.573322] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.574329] __vmalloc_noprof+0x59/0x60 [ 49.575034] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.575897] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.576828] bpf_prog_alloc+0x39/0x200 [ 49.577569] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.578494] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.579392] do_seccomp+0x349/0x25e0 [ 49.580062] ? find_held_lock+0x2b/0x80 [ 49.580818] ? do_prlimit+0x310/0x610 [ 49.581561] ? __pfx_do_seccomp+0x10/0x10 [ 49.582369] ? do_raw_spin_unlock+0x53/0x220 [ 49.583193] ? _raw_spin_unlock+0x1e/0x40 [ 49.583927] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.585031] ? static_key_count+0x60/0x80 [ 49.585965] prctl_set_seccomp+0x4e/0x70 [ 49.586855] __do_sys_prctl+0xe6c/0x1d70 [ 49.587761] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.588753] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.589880] ? irqentry_exit+0xf3/0x650 [ 49.590757] do_syscall_64+0xbf/0x430 [ 49.591607] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.592716] RIP: 0033:0x7f2fc018d5cd [ 49.593536] 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 [ 49.597199] RSP: 002b:00007ffdc8034150 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.598784] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2fc018d5cd [ 49.600256] RDX: 00005619eb872e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.601734] RBP: 00007ffdc80341b0 R08: 0000000000000000 R09: 00007ffdc8033850 [ 49.603150] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561a206fbb10 [ 49.604388] R13: 00007ffdc80345e0 R14: 0000561a206fc2b0 R15: 0000561a207106f0 [ 49.605644] [ 49.606066] irq event stamp: 1799 [ 49.606691] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 49.608158] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 49.609618] softirqs last enabled at (1486): [] handle_softirqs+0x50c/0x770 [ 49.611112] softirqs last disabled at (1479): [] __irq_exit_rcu+0xc4/0x100 [ 49.612593] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:58367' (ECDSA) to the list of known hosts. 2025/11/18 14:41:31 fuzzer started 2025/11/18 14:41:31 dialing manager at localhost:34383 2025/11/18 14:41:31 checking machine... 2025/11/18 14:41:31 checking revisions... [ 50.511545] kmemleak: Automatic memory scanning thread ended 2025/11/18 14:41:31 testing simple program... [ 50.599169] cgroup: Unknown subsys name 'net' [ 50.671064] cgroup: Unknown subsys name 'cpuset' [ 50.686493] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 14:41:30 Registers: info registers vcpu 0 RAX=ffffffff81b2a563 RBX=0000000000000002 RCX=0000000000000002 RDX=ffff88806ce08d01 RSI=ffff88806ce08dd8 RDI=ffff88806ce08dd8 RBP=ffff88806ce08ac8 RSP=ffff88806ce08a00 R8 =ffffffff86ab8e24 R9 =ffff88806ce08ab0 R10=000000000003c9ed R11=0000000000025764 R12=ffff88806ce08ad0 R13=ffff88806ce08ab8 R14=ffff88806ce08de0 R15=ffff88806ce08a70 RIP=ffffffff8135efad RFL=00000202 [-------] 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 fffffe5300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f6d32d4a328 CR3=000000001c4a3000 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=31343a343120383120766f4e3e38333c XMM01=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3334325b646873732030333a3134 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343835 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000003ba RBX=0000000000000004 RCX=0000000000000002 RDX=0000000000000002 RSI=ffff8880174f0a58 RDI=ffff8880174f0000 RBP=ffff8880174f0000 RSP=ffff888015b7fa90 R8 =0000000000000000 R9 =0000000000000001 R10=ffffffff8664f857 R11=0000000000000001 R12=0000000000000002 R13=ffff8880174f0a58 R14=ffff8880174f0a58 R15=ffff88801652f560 RIP=ffffffff81526585 RFL=00000012 [----A--] 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 00007f871a807900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe1600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f871adbe618 CR3=0000000020564000 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