syzkaller login: [ 46.476513] ------------[ cut here ]------------ [ 46.477470] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.479490] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 46.480957] Modules linked in: [ 46.481627] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.483630] Tainted: [W]=WARN [ 46.484231] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.485733] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.486655] 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 [ 46.489851] RSP: 0018:ffff88801ac4fbc0 EFLAGS: 00010286 [ 46.490849] RAX: 0000000000000000 RBX: ffffed1003589f78 RCX: ffffffff813a4050 [ 46.492141] RDX: ffff88801aa98000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.493438] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003589f2f [ 46.494738] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.496037] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ac4fdf8 [ 46.497332] FS: 00007f07a6b2b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.498796] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.499867] CR2: 00007ffd23d4cef7 CR3: 000000000b795000 CR4: 0000000000350ef0 [ 46.501159] Call Trace: [ 46.501650] [ 46.502106] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.502970] ? __create_object+0x59/0x80 [ 46.503760] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.504735] __vmalloc_noprof+0x59/0x60 [ 46.505518] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.506387] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.507329] bpf_prog_alloc+0x39/0x200 [ 46.508058] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.508944] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.509865] do_seccomp+0x349/0x25e0 [ 46.510581] ? find_held_lock+0x2b/0x80 [ 46.511351] ? do_prlimit+0x310/0x610 [ 46.512097] ? __pfx_do_seccomp+0x10/0x10 [ 46.512845] ? do_raw_spin_unlock+0x53/0x220 [ 46.513697] ? _raw_spin_unlock+0x1e/0x40 [ 46.514481] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.515450] ? static_key_count+0x60/0x80 [ 46.516254] prctl_set_seccomp+0x4e/0x70 [ 46.517038] __do_sys_prctl+0xe6c/0x1d70 [ 46.517792] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.518661] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.519639] ? irqentry_exit+0xf3/0x650 [ 46.520409] do_syscall_64+0xbf/0x430 [ 46.521160] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.522129] RIP: 0033:0x7f07a701d5cd [ 46.522790] 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 [ 46.526015] RSP: 002b:00007ffd23d4b2d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.527396] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f07a701d5cd [ 46.528686] RDX: 000055db23a0be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.529984] RBP: 00007ffd23d4b330 R08: 0000000000000000 R09: 00007ffd23d4a9d0 [ 46.531296] R10: 0000000000000000 R11: 0000000000000246 R12: 000055db487dcad0 [ 46.532592] R13: 00007ffd23d4b760 R14: 000055db487ddbc0 R15: 000055db487ee780 [ 46.533921] [ 46.534396] irq event stamp: 2697 [ 46.535048] hardirqs last enabled at (2707): [] __up_console_sem+0x78/0x80 [ 46.536587] hardirqs last disabled at (2716): [] __up_console_sem+0x5d/0x80 [ 46.538124] softirqs last enabled at (2664): [] handle_softirqs+0x50c/0x770 [ 46.539659] softirqs last disabled at (2659): [] __irq_exit_rcu+0xc4/0x100 [ 46.541175] ---[ end trace 0000000000000000 ]--- [ 49.241693] ------------[ cut here ]------------ [ 49.242622] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.244563] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 49.246075] Modules linked in: [ 49.246654] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.248598] Tainted: [W]=WARN [ 49.249183] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.250637] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.251534] 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 [ 49.254647] RSP: 0018:ffff88801ac8fbc0 EFLAGS: 00010286 [ 49.255612] RAX: 0000000000000000 RBX: ffffed1003591f78 RCX: ffffffff813a4050 [ 49.256879] RDX: ffff888016140000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.258148] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003591f2f [ 49.259400] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.260662] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ac8fdf8 [ 49.261934] FS: 00007ff424d1b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.263336] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.264381] CR2: 00007ffc58284ef7 CR3: 000000000ba2d000 CR4: 0000000000350ef0 [ 49.265651] Call Trace: [ 49.266157] [ 49.266562] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.267452] ? __create_object+0x59/0x80 [ 49.268232] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.269193] __vmalloc_noprof+0x59/0x60 [ 49.269903] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.270760] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.271678] bpf_prog_alloc+0x39/0x200 [ 49.272401] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.273318] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.274217] do_seccomp+0x349/0x25e0 [ 49.274877] ? find_held_lock+0x2b/0x80 [ 49.275627] ? do_prlimit+0x310/0x610 [ 49.276363] ? __pfx_do_seccomp+0x10/0x10 [ 49.277141] ? do_raw_spin_unlock+0x53/0x220 [ 49.277933] ? _raw_spin_unlock+0x1e/0x40 [ 49.278711] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.279663] ? static_key_count+0x60/0x80 [ 49.280448] prctl_set_seccomp+0x4e/0x70 [ 49.281211] __do_sys_prctl+0xe6c/0x1d70 [ 49.281947] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.282782] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.283727] ? irqentry_exit+0xf3/0x650 [ 49.284475] do_syscall_64+0xbf/0x430 [ 49.285195] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.286110] RIP: 0033:0x7ff42520d5cd [ 49.286759] 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 [ 49.289857] RSP: 002b:00007ffc58283650 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.291186] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff42520d5cd [ 49.292447] RDX: 000056219218be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.293742] RBP: 00007ffc582836b0 R08: 0000000000000000 R09: 00007ffc58282d50 [ 49.294663] R10: 0000000000000000 R11: 0000000000000246 R12: 000056219f130bf0 [ 49.295433] R13: 00007ffc58283ae0 R14: 000056219f13a380 R15: 000056219f145460 [ 49.296210] [ 49.296464] irq event stamp: 1769 [ 49.296827] hardirqs last enabled at (1777): [] __up_console_sem+0x78/0x80 [ 49.297757] hardirqs last disabled at (1786): [] __up_console_sem+0x5d/0x80 [ 49.298535] softirqs last enabled at (1728): [] handle_softirqs+0x50c/0x770 [ 49.299199] softirqs last disabled at (1723): [] __irq_exit_rcu+0xc4/0x100 [ 49.299822] ---[ end trace 0000000000000000 ]--- [ 49.972035] ------------[ cut here ]------------ [ 49.972899] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.974919] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 49.976580] Modules linked in: [ 49.977278] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.979531] Tainted: [W]=WARN [ 49.980216] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.981848] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.982889] 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 [ 49.986142] RSP: 0018:ffff88801693fbc0 EFLAGS: 00010286 [ 49.987131] RAX: 0000000000000000 RBX: ffffed1002d27f78 RCX: ffffffff813a4050 [ 49.988421] RDX: ffff88800d649bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.989712] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d27f2f [ 49.990984] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.992271] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801693fdf8 [ 49.993556] FS: 00007f6704ae9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.994981] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.996049] CR2: 00007ffe7ec3fef7 CR3: 000000002044c000 CR4: 0000000000350ef0 [ 49.997326] Call Trace: [ 49.997795] [ 49.998251] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.999158] ? __create_object+0x59/0x80 [ 49.999890] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.000841] ? irqentry_exit+0x17b/0x650 [ 50.001609] __vmalloc_noprof+0x59/0x60 [ 50.002359] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.003222] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.004145] bpf_prog_alloc+0x39/0x200 [ 50.004825] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.005757] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.006675] do_seccomp+0x349/0x25e0 [ 50.007381] ? find_held_lock+0x2b/0x80 [ 50.008134] ? do_prlimit+0x310/0x610 [ 50.008821] ? __pfx_do_seccomp+0x10/0x10 [ 50.009624] ? do_raw_spin_unlock+0x53/0x220 [ 50.010441] ? _raw_spin_unlock+0x1e/0x40 [ 50.011214] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.012170] ? static_key_count+0x60/0x80 [ 50.012910] prctl_set_seccomp+0x4e/0x70 [ 50.013696] __do_sys_prctl+0xe6c/0x1d70 [ 50.014456] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.015314] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.016270] ? irqentry_exit+0xf3/0x650 [ 50.016972] do_syscall_64+0xbf/0x430 [ 50.017708] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.018648] RIP: 0033:0x7f6704fdb5cd [ 50.019342] 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 [ 50.022460] RSP: 002b:00007ffe7ec3edc0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.023797] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6704fdb5cd [ 50.025091] RDX: 000055c5455b5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.026390] RBP: 00007ffe7ec3ee20 R08: 0000000000000000 R09: 00007ffe7ec3e4c0 [ 50.027670] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c551e52ad0 [ 50.028951] R13: 00007ffe7ec3f250 R14: 000055c551e53bc0 R15: 000055c551e64780 [ 50.030270] [ 50.030704] irq event stamp: 1777 [ 50.031353] hardirqs last enabled at (1787): [] __up_console_sem+0x78/0x80 [ 50.032865] hardirqs last disabled at (1796): [] __up_console_sem+0x5d/0x80 [ 50.034404] softirqs last enabled at (1726): [] handle_softirqs+0x50c/0x770 [ 50.035673] softirqs last disabled at (1721): [] __irq_exit_rcu+0xc4/0x100 [ 50.036937] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:54685' (ECDSA) to the list of known hosts. 2025/11/19 07:06:23 fuzzer started 2025/11/19 07:06:23 dialing manager at localhost:34383 2025/11/19 07:06:23 checking machine... 2025/11/19 07:06:23 checking revisions... [ 50.949860] kmemleak: Automatic memory scanning thread ended 2025/11/19 07:06:24 testing simple program... [ 51.047622] cgroup: Unknown subsys name 'net' [ 51.116405] cgroup: Unknown subsys name 'cpuset' [ 51.132295] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 07:06:23 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000001 RCX=255630821f11977f RDX=00000000235b4fc8 RSI=0000000010e2cc00 RDI=00000000a4e8a246 RBP=ffff88801ae1f828 RSP=ffff88801ae1f758 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=ffff88801ae1f818 R14=ffff888016141bc0 R15=ffff88801ae1f7d0 RIP=ffffffff8135e4bd RFL=00000292 [--S-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 00007ff424d1b900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4f00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff424cca008 CR3=000000000d8ab000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000254f9 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 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 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffead6984b8 CR3=000000000e858000 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=546769414aa579acc04712297c04b0d3 XMM02=0000000000304148ec2efd57dc4c00df XMM03=000000000030fe38ba0dcef63dc6cc7c XMM04=c055c945544631b000000000000ae988 XMM05=d96330e2d2db8632000000000031fe28 XMM06=de1d735a340c3cc20000000000319c48 XMM07=e042d86d42eb936e0000000000310f88 XMM08=ba0dcef63dc6cc7c00000000003041a8 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000