syzkaller login: [ 39.017658] ------------[ cut here ]------------ [ 39.018600] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.020670] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 39.022142] Modules linked in: [ 39.023028] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.025117] Tainted: [W]=WARN [ 39.025724] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.027226] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.028156] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 39.031353] RSP: 0018:ffff888015567bc0 EFLAGS: 00010286 [ 39.032356] RAX: 0000000000000000 RBX: ffffed1002aacf78 RCX: ffffffff813a4050 [ 39.033648] RDX: ffff8880157b1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.034951] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002aacf2f [ 39.036231] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.037549] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015567df8 [ 39.038848] FS: 00007f5b04fb2900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.040314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.041375] CR2: 00007f5b054a4580 CR3: 000000000ebb2000 CR4: 0000000000350ef0 [ 39.042672] Call Trace: [ 39.043145] [ 39.043596] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.044448] ? __create_object+0x59/0x80 [ 39.045232] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.046195] __vmalloc_noprof+0x59/0x60 [ 39.046982] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.047859] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.048793] bpf_prog_alloc+0x39/0x200 [ 39.049498] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.050443] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.051350] do_seccomp+0x349/0x25e0 [ 39.052069] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.052992] ? __pfx_do_seccomp+0x10/0x10 [ 39.053778] ? find_held_lock+0x2b/0x80 [ 39.054513] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.055487] ? static_key_count+0x60/0x80 [ 39.056302] prctl_set_seccomp+0x4e/0x70 [ 39.057079] __do_sys_prctl+0xe6c/0x1d70 [ 39.057862] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.058746] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.059705] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.060676] ? irqentry_exit+0xf3/0x650 [ 39.061432] do_syscall_64+0xbf/0x430 [ 39.062175] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.063138] RIP: 0033:0x7f5b054a45cd [ 39.063847] 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 [ 39.067019] RSP: 002b:00007ffd88b39ed0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.068383] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5b054a45cd [ 39.069667] RDX: 0000559ef3747e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.071005] RBP: 00007ffd88b39f30 R08: 0000000000000000 R09: 00007ffd88b395d0 [ 39.072287] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559f08560ad0 [ 39.073581] R13: 00007ffd88b3a360 R14: 0000559f08561bc0 R15: 0000559f08572780 [ 39.074889] [ 39.075246] irq event stamp: 1819 [ 39.075789] hardirqs last enabled at (1829): [] __up_console_sem+0x78/0x80 [ 39.077063] hardirqs last disabled at (1838): [] __up_console_sem+0x5d/0x80 [ 39.078323] softirqs last enabled at (1374): [] handle_softirqs+0x50c/0x770 [ 39.079773] softirqs last disabled at (1369): [] __irq_exit_rcu+0xc4/0x100 [ 39.081119] ---[ end trace 0000000000000000 ]--- [ 42.681612] ------------[ cut here ]------------ [ 42.682500] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.684703] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 42.686149] Modules linked in: [ 42.686812] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.688808] Tainted: [W]=WARN [ 42.689364] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.690858] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.691767] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 42.694959] RSP: 0018:ffff8880169c7bc0 EFLAGS: 00010286 [ 42.695936] RAX: 0000000000000000 RBX: ffffed1002d38f78 RCX: ffffffff813a4050 [ 42.697224] RDX: ffff888016163780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.698514] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d38f2f [ 42.699816] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.701101] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880169c7df8 [ 42.702407] FS: 00007f8081fe7900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.703854] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.704914] CR2: 00007fff93149ef7 CR3: 000000000d5d2000 CR4: 0000000000350ef0 [ 42.706198] Call Trace: [ 42.706711] [ 42.707126] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.708024] ? __create_object+0x59/0x80 [ 42.708797] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.709768] __vmalloc_noprof+0x59/0x60 [ 42.710496] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.711377] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.712313] bpf_prog_alloc+0x39/0x200 [ 42.713049] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.713983] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.714899] do_seccomp+0x349/0x25e0 [ 42.715627] ? find_held_lock+0x2b/0x80 [ 42.716342] ? do_prlimit+0x310/0x610 [ 42.717084] ? __pfx_do_seccomp+0x10/0x10 [ 42.717862] ? do_raw_spin_unlock+0x53/0x220 [ 42.718696] ? _raw_spin_unlock+0x1e/0x40 [ 42.719434] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.720401] ? static_key_count+0x60/0x80 [ 42.721197] prctl_set_seccomp+0x4e/0x70 [ 42.721974] __do_sys_prctl+0xe6c/0x1d70 [ 42.722767] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.723628] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.724595] ? irqentry_exit+0xf3/0x650 [ 42.725322] do_syscall_64+0xbf/0x430 [ 42.726067] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.727038] RIP: 0033:0x7f80824d95cd [ 42.727737] 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 [ 42.730858] RSP: 002b:00007fff93147d50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.731999] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f80824d95cd [ 42.733074] RDX: 00005555b215fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.734147] RBP: 00007fff93147db0 R08: 0000000000000000 R09: 00007fff93147450 [ 42.735230] R10: 0000000000000000 R11: 0000000000000246 R12: 00005555e89482b0 [ 42.736314] R13: 00007fff931481e0 R14: 00005555e894ad20 R15: 00005555e895c8d0 [ 42.737406] [ 42.737792] irq event stamp: 1759 [ 42.738293] hardirqs last enabled at (1767): [] __up_console_sem+0x78/0x80 [ 42.739580] hardirqs last disabled at (1776): [] __up_console_sem+0x5d/0x80 [ 42.740851] softirqs last enabled at (1736): [] handle_softirqs+0x50c/0x770 [ 42.742156] softirqs last disabled at (1731): [] __irq_exit_rcu+0xc4/0x100 [ 42.743429] ---[ end trace 0000000000000000 ]--- [ 43.564769] ------------[ cut here ]------------ [ 43.565668] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.567737] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.569173] Modules linked in: [ 43.569802] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.572000] Tainted: [W]=WARN [ 43.572653] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.574105] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.575012] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 43.578135] RSP: 0018:ffff888016a1fbc0 EFLAGS: 00010286 [ 43.579101] RAX: 0000000000000000 RBX: ffffed1002d43f78 RCX: ffffffff813a4050 [ 43.580359] RDX: ffff888016e33780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.581631] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d43f2f [ 43.582901] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.584157] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016a1fdf8 [ 43.585434] FS: 00007f218b5fe900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.586875] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.587934] CR2: 00007fff33726ef7 CR3: 000000001e8d6000 CR4: 0000000000350ef0 [ 43.589207] Call Trace: [ 43.589712] [ 43.590116] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.591016] ? __create_object+0x59/0x80 [ 43.591790] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.592756] __vmalloc_noprof+0x59/0x60 [ 43.593467] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.594329] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.595251] bpf_prog_alloc+0x39/0x200 [ 43.595978] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.596893] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.597789] do_seccomp+0x349/0x25e0 [ 43.598470] ? find_held_lock+0x2b/0x80 [ 43.599226] ? do_prlimit+0x310/0x610 [ 43.599973] ? __pfx_do_seccomp+0x10/0x10 [ 43.600765] ? do_raw_spin_unlock+0x53/0x220 [ 43.601605] ? _raw_spin_unlock+0x1e/0x40 [ 43.602344] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.603321] ? static_key_count+0x60/0x80 [ 43.604124] prctl_set_seccomp+0x4e/0x70 [ 43.604906] __do_sys_prctl+0xe6c/0x1d70 [ 43.605697] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.606523] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.607506] ? irqentry_exit+0xf3/0x650 [ 43.608278] do_syscall_64+0xbf/0x430 [ 43.609029] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.609989] RIP: 0033:0x7f218baf05cd [ 43.610703] 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 [ 43.613893] RSP: 002b:00007fff337254f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.615272] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f218baf05cd [ 43.616568] RDX: 000055d2a62f9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.617858] RBP: 00007fff33725550 R08: 0000000000000000 R09: 00007fff33724bf0 [ 43.619159] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d2ce5c2240 [ 43.620449] R13: 00007fff33725980 R14: 000055d2ce5cb380 R15: 000055d2ce5d6540 [ 43.621754] [ 43.622179] irq event stamp: 1775 [ 43.622839] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 43.624370] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 43.625897] softirqs last enabled at (1668): [] handle_softirqs+0x50c/0x770 [ 43.627463] softirqs last disabled at (1663): [] __irq_exit_rcu+0xc4/0x100 [ 43.628721] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:18354' (ECDSA) to the list of known hosts. 2025/11/17 21:44:20 fuzzer started 2025/11/17 21:44:20 dialing manager at localhost:37895 2025/11/17 21:44:20 checking machine... 2025/11/17 21:44:20 checking revisions... [ 44.488637] kmemleak: Automatic memory scanning thread ended 2025/11/17 21:44:21 testing simple program... [ 44.581090] cgroup: Unknown subsys name 'net' [ 44.646027] cgroup: Unknown subsys name 'cpuset' [ 44.673959] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 21:44:20 Registers: info registers vcpu 0 RAX=000000000003f407 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffffffff0b80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f808259c650 CR3=000000000d389000 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=4b45ecefb7fb9e909848a59f0b66dc7c XMM02=0000000000302c30eff9b2d0a8fce9cb XMM03=0000000000302d002c67c8bc2e329bc3 XMM04=59b990b0379188a900000000000ae988 XMM05=e5b1b22fc93638c100000000003211d0 XMM06=d74844bf967d85ba000000000031f558 XMM07=e042d86d42eb936e000000000030f048 XMM08=f1c5566d3b03d2e00000000000302d00 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=ffff88801745fd30 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e7a2 RDI=ffffffff85e1ffe0 RBP=ffff888017458000 RSP=ffff88801745f7b8 R8 =0000000000000001 R9 =ffff88801745f888 R10=000000000003c9ed R11=0000000000023ce5 R12=ffff8880098d6001 R13=ffff88801745f890 R14=ffff88801745fd10 R15=ffff88801745f848 RIP=ffffffff81528eca 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 00007f8081fe7900 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=00007fff93141000 CR3=000000001e983000 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=ffffffffffffffffffff000000000000 XMM01=000000000000003635006b6f6c6c756e XMM02=62003d73646e756f7200323135616873 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000202020 XMM09=ff0000ffffffffffff00000000ffffff XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000